Introducing the New Dimension XPS Gen 3 System Now Dell's Ultimate Gaming Machine Is Even Better! If you're looking for a gaming system that provides the power and performance needed to run today's hottest games with crisp 3D graphics, incredible sound, and massive storage capabilities, the Dell Dimension TM XPS Gen 3 desktop offers everything you want and much more. Using an ATI ® Radeon TM graphics card with PCI Express (PCIe) technology for more graphics bandwidth, the XPS Gen 3 delivers superb high-resolution graphics capability and visual realism. It comes standard with a Sound Blaster ® Audigy 2 (D) sound card, delivering high-definition 24-bit, 96KHz audio performance with a 100dB signal-to-noise ratio that rivals high-end home stereos and home theater systems. You'll also appreciate this machine's awesome graphics and sound performance when you enjoy your favorite DVD movies, music, personal videos and photos. The new version of Dell Media Experience TM software included with the system provides an easy-to-use interface and optional remote control for all of your media applications. The XPS Gen 3 system, housed in a Venice blue chassis with midnight gray and brushed silver accents, also sports some attractive new visual design changes.

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With data transfer rates up to 150 MB per second, Serial ATA hard drives are available that support up to 400 GB. Using multiple drives on the integrated ICH6-R controller, HDD configurations up to 1.2 Terabytes are available. Optical drive options include:. 48X/24X/48X CD-RW/DVD combination. 12X DVD+RW+R. 48X/ 32X/48X CD-RW.

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Summary: Based on information gathered while helping Plugable customers along with feedback from Dell owners on public forums, it appears some percentage of Dell USB-C systems are exhibiting unstable USB data I/O over their USB-C port. Update 7/14/2016 – We have had several confirmed cases where lowering the Power Output of the internal Wi-Fi adapter to 75% in Dell XPS models has helped with USB-C disconnect behavior.

This has also been discussed in the Dell support forum - Please see our detailed instructions for lowering the Power Output and the bottom of this post Update 7/11/2016 – Our initial reports from customers indicate that even with the release of the latest updates from Dell applied there are still some cases where USB-C devices may not work as expected. Several customers have confirmed that enabling ‘Airplane Mode’ is an effective workaround Update 7/7/2016 – Over the past few days Dell has released several updates for many of their Thunderbolt 3/USB-C systems, including the XPS 13 9350, XPS 15 9550, and Precision 5510.

These include updates to the system BIOS, the Thunderbolt 3 driver as well as the Thunderbolt 3 NVM firmware. Please be sure to visit and use your Dell Service Tag to locate, download and install the latest updates for your system as a first troubleshooting step should you encounter any issues with our USB-C docking stations with a Dell system. The BIOS updates will be under the ‘BIOS’ category, while the Thunderbolt 3 driver and NVM firmware updates will be located under the ‘Chipset’ category. Best practice is to update the BIOS first, the Thunderbolt driver second, and NVM firmware third. Plugable recently launched two USB-C docking stations ( and ) and they have proven to be very popular; so much so that we’re having trouble staying in stock. Any time we launch a new product, especially one (or in this case two) that makes use of a new technology such as USB 3.1, support engineers like myself always learn a lot in the first few weeks.

Plugable UD-ULTCDL USB-C Triple Display Docking Station The vast majority of customers reported both units worked well with many popular models of USB-C systems (we have compatibility tables on the respective product pages), which aligned with the results we observed while developing the devices. But there were of course cases where things did not. At Plugable those who help develop a product also provide the support, and in the normal course of troubleshooting certain patterns often emerge which we view as an opportunity for further investigation into various issues that might occur. What’s been most interesting with our USB-C docks was that when things didn’t work as expected, they would do so in an extremely inconsistent manner, often manifesting with instability of attached USB devices.

For example, a customer with a Dell Precision 5510 laptop was experiencing random disconnects when using one of our docks. After investigating the behavior via our handy diagnostic tool PlugDebug we elected to send a pretested replacement dock to rule out a hardware problem. Plugable is different from a lot of other companies in that when we send replacements they are tested at length by a human being in our lab. Despite this effort, when the customer received the replacement (which had been tested over 12 hours) the behavior was still present.

Our support engineers set out to better understand the issue. Why did the docks work great for the vast majority of customers’ XPS 9350 and 9550 systems (and Plugable’s identical in-house test systems) while a handful of other customers with the same systems were having problems, even with a known good tested replacement docking station? We collectively scratched our heads and dug deeper.

Our first focal point was nearly all of these problem reports were coming from owners of Dell Thunderbolt 3-enabled systems like the XPS 13, XPS 15 and Precision 5510. (The same chip which enables Thunderbolt 3 functionality on these systems also enables USB 3.1, which is the protocol used to communicate with our USB-C docks.) Since Dell’s XPS lineup are among the most popular Thunderbolt 3/USB-C systems it was no surprise to see them well represented with our customers, but what was so surprising was this small percentage of systems which we knew to be compatible yet were not working as expected. Having just launched our first Thunderbolt 3 products , we knew very well that all Thunderbolt 3 systems were receiving frequent BIOS and Thunderbolt 3 firmware updates which dramatically help Thunderbolt 3 and USB-C stability.

Yet even with these updates applied on certain systems we still saw issues in specific instances. Plugable Thunderbolt 3 Dual DisplayPort Adapter Digging deeper, we found references to similar behavior online within Dell’s support forums for some users of Dell’s Thunderbolt 3 and USB-C docking stations.

While the thread is quite long, it does reflect similar unstable dock behavior while also indicating the common theme of the whole USB bus resetting or disconnecting and causing problems. As official Dell comments on the thread have dropped off, customers have tried their own pragmatic approach in finding work-arounds and some (but not all) have found the behavior diminished if the laptop was run with the lid open.

Others found that putting the system in ‘Airplane Mode’ to disable the internal Wi-Fi and Bluetooth adapter helped. And there’s even multiple users who report working with Dell engineering on the issue, stating that Dell is aware of the problem on some systems and working on a fix in the form of a BIOS update. Note that Dell recently posted a BIOS update for the Dell XPS 13 9350 and the Release Notes indicated Thunderbolt 3, USB-C and Docking station fixes. Unfortunately this update was removed by Dell shortly after it was posted Even with our growing suspicions that some host systems were a key part of the problem, we didn’t feel certain about this until we worked through an especially tricky support case involving an XPS 15 9550 and our Triple Display Dock. In the course of troubleshooting USB disconnection issues mentioned above we again sent a pretested replacement dock to rule out a hardware problem but again the issue remained. The customer even went to the extraordinary length to have Dell replace the system, and yet the issue remained.

In this case we actually sent the customer some additional Plugable USB 3.0 products an effort to isolate the behavior further. Using our UD-3900 dock with an adapter via the Dell’s USB Type-C port produced the same disconnect symptoms, but when used via the Dell’s USB Type A port it worked as expected. As our investigation continued the customer replaced his system a third time for a reason unrelated to the dock behavior, and lo and behold both our UD-3900 and our USB-C Triple Display Dock were now working properly via the Dell’s USB-C port. So where does this leave us? While we have many test systems in our lab, we do not have an example of every model Dell system that has Thunderbolt 3 and USB-C. In our internal testing with the Dell XPS 13 9350 and Dell XPS 9550 (non-hybrid) both of our USB-C docks work well. We are hopeful based on Dell forum comments that updated system BIOS files or Thunderbolt 3 NVM firmware will be released to help with the behavior.

Though we don’t know if in some cases the solution will go beyond BIOS/firmware updates and instead is indicative of a hardware problem with the host system itself. Interestingly as we were putting the finishing touches on this post before publishing, Dell has posted a BIOS update for their Thunderbolt 3/USB-C Precision 7510 and 7710 models that indicate various Thunderbolt 3 and USB-C fixes. Our hope is that these changes will filter down through their other models in the near future. In the meantime, if anyone encounters issues with our USB-C products and a Dell USB-C or Thunderbolt 3 system please contact us directly at and we will be happy to help.

We thank all of our current and future customers for their patience and feedback as we continue to learn about the various USB-C systems and how our products interact with them. I have been using a Plugable USB 2.0 display adapter connected to a Dell WD15 dock, which is connected via USB-C to a Precision 5510 running Windows 10. The display works fine, unless I move ANY Windows Store application (or Edge) to that monitor, then it typically disconnects/reconnects immediately and will randomly disconnect/reconnect afterward. I noticed that I don’t have the problem with non-store apps (Chrome, RDP), they will run all day on that screen with no problem so I don’t know if that’s somehow a factor. Bob Boerner. So, I tried as you suggested and I didn’t experience any problems when the Plugable adapter is connected directly.

BUT, this might be a false negative, since I not can’t recreate the issue via the WD15:/ Go figure. I checked to see if anything has changed WRT my system configuration. Was (and still is) in airplane mode. No MS updates have been applied, no new application installs, and I haven’t run any Dell driver updates (Dell Command Update is set to manual). Just a shutdown and startup I will keep an eye on it and let you know if anything develops! Thanks for keeping tabs on this issue and staying in touch with the community (I know Dell isn’t)!.

Bob Boerner. Glad to hear things are working better, I can certainly appreciate the frustration with regard to the inconsistent behavior 🙂 While I wouldn’t suggest altering a working configuration, as you mentioned you had Airplane mode enabled as time progresses and logistics allow for it you may want to disable Airplane mode to see if the errant behavior returns (in cases such as this I only recommend changing one variable at a time). If it does, try lowering the transmit power of the Wi-Fi adapter as we describe in the latest update at the top of the post to see if that helps. As I am guessing you are using a wired Ethernet connection in the Dell dock using Airplane mode as a workaround obviously doesn’t have much of an impact, but the additional data point may be useful. I just purchased a new dell xps 15 and it came with a Killer Wireless 1535 installed.

I also purchased the Plugable Triple Docking Station to connect my 2 external displays and, unfortunately, I am having the random temporary connectivity issues described above. I have not opened a support ticket yet because I am trying all of the suggestions on this page first to see if I can fix it myself but thought this info my be useful.

Also, another note, when going to the properties of the Killer Wireless adapter, there is not a Power Output property therefore I can not reduce the output to 75%. I am in the process of researching if there is another way to manage this setting. Bob Boerner. Hi Joe, Thanks for posting! One quick thing to test is if enabling Airplane Mode to temporarily to disable the Wi-Fi adapter helps with the behavior, as this will let us know where to focus.

If it does help, we have had one customer report of an option specific to the Killer card that may change the behavior. If you would, please disable Airplane Mode to re-enable the Wi-Fi adapter.

Next, from within Device Manager open the Properties of the Killer Wireless card and then select the ‘Advanced’ tab. From the choices presented, select the ‘Roaming Aggressiveness’ property and then change the value to ‘2.

Apply the change and then reboot the system and test again. Please let us know if that helps! A data point for your engineers to consider: the 1.2.3 BIOS does not appear to have the USB-C connectivity issues that are present in all newer versions. I’m managing a fleet of over 100 9350s and a few have exhibited some very strange behaviors related to the Broadcom 1820A (cyclical bluescreens only under some user profiles, for example). We’ll be trying out some of the Intel 7265 adapters to see if there’s any improvement, but ultimately the fix needs to come from firmware. Good luck and thanks for posting this!.

Bob Boerner. Hi Michele, Thanks for posting.

I took a quick look on the page you link to and the system BIOS, Thunderbolt Driver, Thunderbolt NVM listed have been released for some time now. Dell unfortunately has a habit of changing the ‘Last Updated’ field of a driver entry even if the driver itself has not changed. For example as of today, the Thunderbolt driver listed has been released for some time but the ‘Last Updated’ field is showing September 13. The Intel graphics driver seems to be the sole item actually updated recently, on September 7th. That said, our recommendations in the post still apply. Ensure that the BIOS, Thunderbolt driver, Thunderbolt NVM and GPU driver are the latest. If things still aren’t working properly, try lowering the transmit power of the internal Wi-FI adapter as shown in the update to the post.

Bob, thanks for your continued support in this thread. Question for you or any of your readers: can anyone out there running any variant of Linux on their Dell XPS 15 9550 report that they were able to resolve the screen-flicker issues reported here? Hr7x slim driver for mac. I purchased a pluggable Thunderbolt3-to-dual-HDMI adaptor, and it works out of the box, except for the occasional display glitch that leaves one monitor garbled with vertical lines. When that happens I have to unplug the adaptor (or the monitor from the adaptor) and plug it back in. The problem with that is I have to take a minute or two to move my taskbars and open windows back to their prior locations, which just destroys my workflow.

At its worst it might happen a couple of times per hour. I provide more details on this reddit thread:. Bob Boerner. Hi Jay, Thanks for posting, and glad the post has helped. To your specific question, very interesting behavior shown in the screenshot of your reddit thread and I believe it differs somewhat from what others have reported (especially since disabling Wi-FI had no effect).

A quick question for you, are you also able to boot into Windows to allow for updating the BIOS and Thunderbolt NVM firmware? I ask because to my knowledge while it is possible to update the BIOS while running Linux it isn’t possible to update the Thunderbolt NVM firmware. Dell has two threads about this if you are curious - and Assuming that the BIOS and NVM firmware are up to date, as the behavior seems to only affect one display, there are a few quick things to try an isolate the behavior further. The first would be to swap the HDMI cable going to the affected display with a new one to help rule out the cable as the cause. You may have already tried that, but it is a good thing to double-check. If swapping the cable doesn’t help, the next step would be to swap the HDMI cable connections first at the monitor end to see if the behavior follows the output port of the adapter or stays with the original monitor.

This will let us know if the specific port or the monitor is part of the issue. If swapping the HDMI cable doesn’t help, please send an email to and reference this comment and we will determine the next steps from there. Thank you, Bob Plugable Technologies. Tom Browne. My new Dell XPS 13 9350 and WD15 dock, purchased directly from Dell, arrived this week and immediately exhibited the problems described above (using the micro-display connector on the dock to a second monitor).

Maybe this is an older machine from some old stock lying around somewhere, but the problem is definitely not fixed. A full round of BIOS and driver updates failed to fix it. Dell currently tells me the they think the Dock is the problem and are proposing to send me a new one, but I am not so sure. Turning off WiFi fixed, not a problem as I use the Ethernet connector on the dock. A bigger problem is using a separate monitor with a third party USB C to VGA dongle, which does not work at all (WiFi or no WiFi). Maybe I should have gotten a USB to micro-display dongle. Bob Boerner.

Hi Tom, Thanks for posting and sharing your experience, appreciate you taking the time. I am glad turning off the Wi-Fi helped in this case given you are using a wired Ethernet connection. You results are interesting in that a ‘freshly’ manufactured system is exhibiting the behavior.

Can you let us know if your system has the Dell-branded Broadcom Wi-Fi adapter or an Intel Wi-Fi adapter? I ask because it appears that the behavior is isolated to the Dell Wi-Fi adapters, with some users even going so far as to replace the Dell adapter with an Intel one (details should be up above in the comments) to help with the issue. Thanks again for sharing your experience! Bob. Tom Browne. Bob, the latest is Dell is offering to send a tech to my home to replace the motherboard.

However I am leaving this afternoon for an overseas trip for three weeks (this trip being the whole reason for buying the Dell in the first place) and it won’t get fixed before November, assuming a new motherboard actually fixes the problem. I did try the XPS with a third party dongle for Type C to VGA and got the same problem, so it is not the dock but the conflict between WiFi and video.

If I had been able to work a projector while connected I would have taken it with me and would have gone for the motherboard on my return. Sadly it is not to be, a shame because otherwise it is a beautiful machine. Anyway November brings me past the 30-day return point; as well I have managed to sort out a backup solution for my trip which is not ideal but that works. So I have started the return process and will decide when I get back whether to shop for a new computer or carry on with what I’ve got. For the record this is an older Microsoft Surface 3 tablet running Windows 10 which performs OK but which is hobbled by limited hard drive space.

Thanks for running this blog, very useful. Sorry I won’t be able to tie up this particular loose end for you. Bob Boerner. While I don’t have your product, I had similar problems and your solution to turn down the wireless radio to 75% appears to have worked for me. I have a very early Dell XPS 15 9550 that I purchased in order to use my Apple Thunderbolt monitor on a PC. I then waited six months for someone to produce a thunderbolt 3 to older thunderbolt adapter before finally using the monitor and laptop together in early summer. The monitor works with the laptop, but it has always been glitchy, flickering or turning off on occasion.

It would work fine for days or weeks at a time (but almost always with a video artifact at the bottom edge), then suddenly would be unstable, turning on and off randomly, for several hours. It’s been glitching almost constantly for two days until I found your post, and after turning down the radio power it has been completely stable and my video artifact is even gone! -Dan. Bob Boerner. Thanks for sharing your updates on this. After spending time flashing the lastest drivers, firmware and BIOS (not in that order), I didn’t feel like combing through the long Dell forum posts also just to come to the conclusion that all I need to do to make my dual 4k display stable was to disable WiFi.

Did this and presto, my displays are stable (Startech usb c to dual DP, 9550 fully patched, LG 27″ 4k 60Hz). I have never liked Broadcom WiFi cards before, though they have feature rich options, so it doesn’t surprise me that it is being a power hog. I’ll be switching to an Intel 3×3 AC card as soon as it is released.

Though this is leaning me towards going with a 2×2 until it arrives. Bob Boerner.

Hi, I just did some experiementing and disabled the wifi while connecting usb c to hdmi and it finally worked, for now. I reconnected wifi and eveyrthing is good again also. I also lowered power to 75% (after disconeccting/reconnecting wifi) and I’m going to monitor to see if this will happen again. Hopefully my wifi performance and bluetooth performance doesnt drop!!! Thanks for your research I really appreciate you sharing this.

Too many problems with the Dell XPS. If this still persists, my next move is to switch to an intel wifi+bluetooth card although spec vs.

Spec it would be a downgrade, unless intel comes out with their brand new card quickly (still waiting). I had no other wifi and bluetooth problems. Bob Boerner. I should post my findings here. I just hooked up a UD-CA1 dock to my new XPS 13 9360 and I was experiencing mouse and keyboard issues (mouse disconnects every 2-3 seconds and keyboard repeats like user Lance Hughes described above.

The fix was to put the computer into airplane mode (The Killer wireless adapter on the 9360 does not have a power output setting in device manager). However, when I took the computer out of airplane mode, the problem did not re-appear. I haven’t rebooted yet, and I’m still experimenting with the issue. Bob Boerner.

Thanks for posting! The link you provide is very interesting for several reasons. The description does not mention the 9360 model, and the name of the executable includes the phrase, ” DellDockUSBTYPE-CPATCH” Trying to browse for this update manually for either the 9350 and 9360 model on Dell’s support site does not show the update listed, but I did find the English version of the file here - That it helped with the mouse and keyboard issues you had is good information that may help others in the future. Thank you again for sharing this with us and our customers!.

Martin Ortmayr. I gave up on the USB-C DA200 from Dell with the XPS 13.

After at least twelve hours of messing around with drivers, re-installing the factory image after installing hundreds of dollar of apps, and hours of support interaction with clueless support people working for DELL in India I came up with a simple solution. I bought a USB 3 to HDMI adapter from j5create – jua350. Installed the driver and plugged in the monitor to the adapter and everything up and worked with no weird drop out, no problem with detecting the display – i.e, it works like it should.

So if you resign yourself to the fact the USB-C port is worthless for external displays, then you have a solution. Bob Boerner. Hi Peter, Thanks for sharing your results! Interesting that Dell is saying the unit is not compatible, as I believe that the XPS 13 9350 was initially on their compatibility list for the product (of course I could be mistaken). There is an interesting thread in the Dell community forums that speaks to this exact combination of devices here - In that thread, posters mention that lowering the transmit power of the internal Wi-Fi adapter to 75% (like we describe in our post) can also help when things are not working as expected. If you still have the DA200 adapter, it won’t hurt to try this option to see if it helps. Hi, I recently bought Dell DA200 Usb-c to hdmi/vga/usb3.0/ethernet adapter.

While checking with xps 13 9350, vga, usb-c seems to work but hdmi port is not working. I am using ubuntu 14.04 and latest bios version. I tried lowering tx power as suggested by many users but still not working. It seems to detect the extended display however external display appears as black screen. At this point I am not sure if the fault is in the adapter or the laptop itself.

Any help is much appreciated. Thanks. Bob Boerner. Hi Tom, Thanks for getting back! To your question, while helping others we have found that in some rare cases the same Wi-Fi issue is still a possibility in 9360 systems with the Killer Wireless Wi-Fi adapter. In those cases the only potential workaround is to enable Airplane Mode to disable the internal Wi-Fi entirely as the driver for the Killer card does not provide for the option to lower the transmit power that both the Dell Wi-FI or Intel Wi-Fi card do. If that is not an option, Dell would have to be contacted for assistance.

I’ve a Dell XPS 13 (9360) and have an issue where when UCB-C is being used to power/charge the laptop, the audio out to speakers suffers massive static/interference. I’m in the process of being shipped a tested plugable triple to see if it makes any difference (the current one emits a high pitched whine constantly). Interestingly, when I have USB-C connected, and add AC power to the laptop via it’s powerpack, the issue lessens (but doesn’t go away) and if I remove USB-C from the equation it’s OK. Either some poor work inside the Dell laptop (RE: shielding) or something dodgy about the docking station/USB-C cable. Hopefully will have more info soon to update people. We have roughly 20x 9350 and 15x 9360 connected to WD15 dock and 2 dell monitors (display port and hdmi).

We have had issues with approx. 1/5 of our users occasional display port monitor disconnect (roughly once every 2-3 days). Most of the time it just lost and restored.

Never HDMI monitor. Roughly 1/8 of us having issues with Microsoft Desktop 2000 keyboard and mouse (our standard for these docked users) not being present on boot up.

When that occurred, we also noted that any USB speakers (conference calling tool) also played garbage sound quality. This would persist throughout the windows session. Until either the power was cycled on the dock, or laptop restarted.

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Roughly 4/5 times a reboot solved issues for that session. Roughly 1/5 users having issue where audio quality on a USB headset was terrible when using the dock, forcing the user to connect to laptop, which resolved the issue. This would be 100% of the time. 9360 which didn’t have latest bios on laptop or dock, awaiting feedback if this solved the users issue. On 1 users laptop, using a Logitech mouse she is keen on, it jerked 100% of the time, no matter reboots or power cycle of dock, resulting in a great testing situation to see what fixed the issue. That laptop was a 9360 so the power adjustment for wifi couldn’t be tested.

Applied Realtek Ethernet update for dock (link below) and rebooted. Installed audio update and again no resolve. Applying the WD15 dock firmware update however did resolve the issue, with mouse now moving smoothly in the dock for the first time. BIOS on laptop had already been updated at the point of mouse issues first manifesting.

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Dock fw update sorted it. Following the dock upgrade (audio, network and firmware) Seen no improvement updating audio and network, but did them as a matter of course. Will follow up in a few weeks with findings, as lot of these intermittent faults take a while to manifest again. Bob Boerner. Dell XPS 13 9360 with Killer Wireless, Plugable USB-C to DisplayPort cable, LG 27UD68-P 4K display here. All purchased within the last 2 weeks (writing this on Feb 27).

Bought the XPS 13 at a Microsoft store with their “Signature Install” (minimal crapware). Running Dell Update on the XPS 13 installed current BIOS, updated TB13 firmware, and a handful of drivers. It didn’t update network/BT drivers. But I had intermittent disconnect issues (within 5 min) when using the LG 4K display while the Killer Wireless was enabled. No problems with Killer Wireless disabled.

Of course, the Killer Wireless doesn’t have the option to reduce power output – and I was ready to return the XPS 13. As a final Hail Mary, I manually looked at available Dell drivers for my service tag – and it looks like both the Killer Wireless and Bluetooth drivers on the Dell site are newer than the pre-installed ones (despite Dell Update ignoring them). I installed the Wireless and Bluetooth adaptors. That was 2pm. Haven’t had a dropout for the rest of the day – 4K display has been rock steady. TLDR: Don’t trust Dell Update (frankly, Dell Update has screwed me in the past). Take a good look at the drivers on the Dell site available for your Service Tag.

Bob Boerner. Hi Jim, Thanks for posting! Appreciate very much you sharing your experience here and the great detail you provided. A quick question for you, I have seen instances where Dell’s support site will offer different downloads based upon whether you input the Service Tag for the system or manually browsed through the list of all the Dell models. Can you confirm that the versions of both the Bluetooth and Wi-FI drivers that you have installed are the same as these?: - Wi-FI - Bluetooth Thanks again for sharing your experience! Bob – confirmed on both drivers.

I see those revisions when I search by my XPS 13 9360 Service Tag. The Killer Wireless driver still does not have a Power Output Property. A couple additional usage notes: I have Wi-Fi enabled, but I’m using a StarTech USB 3.0 hub for Ethernet in the office (ASIX A88179 chipset).

Using Bluetooth for mouse and keyboard. Most likely, this is a shielding issues (someone above mentioned it). It would be interesting if some brave soul identified their TB3/USB-C controller and manually added some shielding – but that won’t be me. Failing that, solution from Dell will either be to throttle power output of WiFi (reducing range and/or speed), or possible throttle the TB3/USB-C controller to better handle data continuity and error checking.

I’m happy to answer any other questions about my setup or version numbers. I’ve experienced this XKCD comic far too many times to leave others hanging: –Jim.

Bob Boerner. Bob, thanks for the extensive article and engagement. I’m having a similar problem with an XPS 9360 and one of your competitors’ Thunderbolt 3 to 2X HDMI adapters, and after spending an hour-and-a-half on the phone with Dell, they’re sending someone out to replace the Killer 1535 wireless card, which they say conflicts with the Thunderbolt controller. Interestingly, the same day I was dealing with that, I found out that the Killer card was also crashing my TP-Link Archer C7 routers. Since I updated the router firmware, the display adapter has worked perfectly.

I’ve read other accounts of the Killer card behaving badly under load, and I wonder whether some arcane interaction between the card and the crashing router was having side effects. Either way, I’ll post again once the card is replaced. Bob Boerner. The Dell tech just replaced the WiFi card with an Intel 8265. So far, so good, but it’s only been 30 minutes. Before the replacement, but after the aforementioned firmware upgrade for the routers, I was continuing to lose my external displays unpredictably, so I’m not sure whether the problem is really fixed or not.

Does anyone know of a quick way to stress-test a wireless card? The displays seemed to drop most reliably when there was a spike in traffic. – The TP-Link forum has more info on the Killer/TP-Link conflict, along with the beta firmware that fixes that issue, here:. Jesse Robertson.

Hi Jesse, Thanks for getting back with the update, appreciate very much the excellent detail you provided. Interesting that initially the problems persisted after swapping the card, but the Windows reset and the later results help prove out what others have reported in that the Intel card is a viable solution to the problem.

While the Intel Wi-Fi card was an option in for previous XPS systems, it no longer appears to be an option for their current offerings (hopefully that will change in the future). Thanks again for sharing your results! Bob. Maciej.

I have a XPS 9550, 4K, 1TB PCIE SSD, and have been trying to use the Plugable USB-C dock, but keep getting intermittent disconnects. Here’s what I’ve done so far: -Made sure system drivers and BIOS are up to date, and tried the dock drivers from Dell -Made sure I have the latest Display Link software installed -Disconnected all monitors, just TB cable to laptop, with Ethernet–disconnects happen every couple minutes, going from Ethernet to WiFi and back to battery -Of course restarted -Tried a different cable, 40Gbps StarTech cable, no effect -Replaced the Dell 1730? M.2 Wi-Fi card with an Intel 8360 wireless card that was recommended, but get the same behavior Disabling Wi-Fi is not an acceptable solution for me, as that would require me to reconnect every single console I have open if I have to go to a meeting, etc, eating up several minutes and losing any work in progress. Any other ideas? I know the original Dell docks were plagued with issues, and I’ve quite a few headaches with this laptop, but it sounds like others have it working. Bob Boerner. Thanks posting!

There does not seem to be any way to lower the transmit power of the Killer Wireless adapter, but we have had one report that changing the ‘Roaming Aggressiveness’ setting can help with certain problematic behaviors. I speak to this in an earlier comment to this post - We have also had reports that Dell will swap the Killer wireless card with an Intel wireless card if problems arise. One example of this occurring for a Dell XPS 15 9560 system is documented in this Dell forum post here - Bob.

Jesse Robertson. Andrew, if your laptop is still on warranty I would get in touch with Dell and ask them to swap the card.

You’ll probably save some time if you ask the tech to check on conflicts between the Killer card and Thunderbolt, I was on the phone for 90 minutes before my tech’s manager told him what the problem was! That being said, they diagnosed the problem late Tuesday afternoon, and there was a tech at my house swapping the card on Thursday afternoon, so you shouldn’t have to suffer long. Now that the card is swapped my Thunderbolt device works perfectly probably 98-99% of the time, and when it doesn’t, simply restarting the laptop seems to do the trick. The Killer card also seems to have a nasty habit of crashing wifi routers, so I’d recommend getting rid of it at the earliest opportunity. XPS 9360 here. I have an AUKEY CB-C26 USB-C Hub + HDMI output ( ) and I was having mouse/keyboard stutter issues.

The mouse would freeze, and the keyboard would sometimes repeat letters or become unresponsive for a second. HDMI output worked fine (1080p), although sometimes I need to disconnect/reconnect the monitor for it to work when coming out of standby. Not always, maybe once a week at most. I tried every solution posted here (Airplane mode, driver updates, thunderbolt updates, changing wifi bands, registry edits) and nothing worked until I installed the latest BIOS update from Dell (2.3.1 as of today) This is the link for the update. This version doesn’t show up on the Dell Update automatic app, but you can download and install it from the web The previous versions presented the problem (2.2.1, 2.1.0) but since updating to 2.3.1 the problem is gone 🙂.

Bob Boerner.