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Re: XPS 13 9300 thunderbolt 3 issue

Is there a fix already?

The second display (Dell P2412H) connected via WD15 is always a hit and miss with my 9300.

Have to plug in plug out a few times every time I wakes the machine up or switch it on to get the display working.

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Re: XPS 13 9300 thunderbolt 3 issue

It would be great if Dell can at least inform us here that they are working on a fix.

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Re: XPS 13 9300 thunderbolt 3 issue

Just to add my voice, I have the same issue. I contacted Dell support several weeks ago, but so far no resolution. The symptoms are identical to those described by others - a constant  connect/disconnect cycle, which occasionally stabilises for a time but when it does so, it does not charge. All works fine when the Dell charger is connected to the other thunderbolt port. I am using an LG ultrawide, it works fine with a cheaper Dell latitude laptop.

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Re: XPS 13 9300 thunderbolt 3 issue

Hi all, just to let everyone know that this issue will soon be resolved. I was in contact with Dell technical support, and they told me they were working on a new BIOS to fix this issue. A few days ago, they contacted me to say they had a fix. They supplied me with a test version of the BIOS and it appears to resolve all of the issues. I now have rapid, stable connection to my ultrawide monitor, and the laptop charges as expected. Its being working like this for the last couple days and has been 100% stable.

I am informed the release date for the BIOS will be the 4th September.

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Re: XPS 13 9300 thunderbolt 3 issue

@gjs14 Very impressed you've been able to work with Dell and they've committed to fix this! How did you successfully convince Dell to work this and commit to fix this issue?

When I was actively trying to find a solution a few months ago Dell kept saying this was a monitor problem, not a 9300 problem, and refused to commit to a fix even though we all suspected it was a 9300 problem. Personally, I gave up on ever having the 9300 working with a TB3 monitor, and purchased a monitor with USB-C connection and power delivery (essentially the same one-cable functionality but with slower data transfer speeds).

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Re: XPS 13 9300 thunderbolt 3 issue

Hmm... I've also been working with "Dell Premium Support" since May. They have written off my problem as "not what is happening in the lab" and I've literally just taken delivery of an new XPS 13 to verify there isn't a hardware defect. Surprise surprise, the new XPS 13 exhibits the exact behavior as the old one.

Why does whoever you're working with know about a forthcoming BIOS update while another agent sends out new computers?!

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Re: XPS 13 9300 thunderbolt 3 issue

Having the same (or similar) issue with the Hyperdrive Gen 2 (just got it from Hyper via Kickstarter). Laptop has latest 1.1.0 bios. I have an LG 4K screen that works fine with USB-C (directly attached to laptop) but trying to use the Hyperdrive as a Dock neither HDMI (there are two) or the Displayport output will work (at all). Monitor 'connects' in that it shows up in windows but it is shown as a tiny screen on the display preferences screen and doesn't actually output anything. The same display works fine (4K @ 60hz) with USB-C -- but this requires two cables and defeats the purpose of the 'dock'. Oddly, an Apple HDMI dongle works fine (USB-C to HDMI, USB 3.0 & USB-C power pass through -- I didn't connect power). When using that I can get 4k60hz over the HDMI connection.
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Re: XPS 13 9300 thunderbolt 3 issue

Anyone have an update on this issue?  This is still a massively irritating issue for me!  I've been working with Dell Premium Support since early May with no solution.  For some reason my support request has been closed without resolution.

I've just purchased the Dell Thunderbolt Dock to see if that works in between my XPS and LG TB monitor. 

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Re: XPS 13 9300 thunderbolt 3 issue

They broke something a bios update or two back with USB-C/Thunderbolt external displays. None of my docking stations/external adapters work reliably (some not at all). There is another thread here where one of the non-dell community liasons has been speaking with dell personnel and they state a fix is scheduled for BIOS 1.2.0 next month... dunno if this will actually fix anything since the 9300 has been pretty much a total disgrace both in software and firmware. Issues from day 1 (March) still are not fixed.

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Re: XPS 13 9300 thunderbolt 3 issue

Hello all. I have almost fully gotten a thunderbolt 3 dock (Caldigit TS3+) to work as intended with the 1.1.0 bios and latest drivers. All the peripherals I have hooked up sans a keyboard (it likes to not always connect the first time) are working as intended and all at once. 

After first trying out the same dock and needing to reset the laptop from scratch (it went nuts), I went to the Caldigit website and found an article listed "Thunderbolt 3 Devices in Windows 10". I double checked everything they asked for prior to plugging in another dock (different from original) and made sure I had the updated drivers and thunderbolt software. I then opened the thunderbolt application before plugging in the bare dock with nothing attached. Worked fine and continued to charge and power the laptop.

Now here is where I tried to be slow and steady with it. I made sure that every peripheral I had worked when connected to the laptop first (wireless mouse, keyboard, monitor, assorted flash drives, and a external hard drive). After that I plugged them in one at a time into the dock and connected the dock to laptop unplugging after each success. I repeated this process until everything was plugged in and working as intended. 

I have both let the thunderbolt app stay open and closed after connecting and seeing the TS3+ show up. I don't know if having the app open or the drivers/bios updated was the key. I am happy that it now works albeit, I feel the process I went through was excessive for something that should be instantaneous. Who knows though. Maybe if people try plugging everything in and open the app before it just works.

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