Razer Core X Chroma booting issues with Windows 10 Pro
 
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[Solved] Razer Core X Chroma booting issues with Windows 10 Pro  

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_Lomax_
(@_lomax_)
New Member
Joined: 3 months ago
 

Hi all, I'm new around here. I am experiencing a little issue with my setup.

Specs:

  1. Laptop - DELL XPS 13 model 7390 2in1, i7-1065G7, 16GB DDR4 3733MHz, Iris Plus Graphics

  2. eGPU - Razer Core X Chroma with an ASUS STRIX GeForce GTX 980 4GB inside.

Windows I am running is Windows 10 Pro 64 bit, ver.21H1

I normally run everything through "external monitor only" that is linked to the GPU via straight HDMI wire. I don't use the laptop screen while it's plugged into the GPU. I use only one monitor with the GPU.

The issue I am experiencing is, if the laptop is turned off, I plug in the thunderbolt cable, leave it for a few seconds and then turn on the laptop (with the monitor plugged into the GPU), it will stay forever on the DELL post logo and won't boot into windows. I have found a workaround, by unplugging the HDMI cable from the graphics card (it boots fine if the monitor is unplugged), booting the laptop up and once it boots to windows, plugging the HDMI again. Then the output changes from internal screen to external monitor and I can use it as intended. I hope you can imagine how annoying that is, having to re-plug the cable every time I turn the laptop on, not to mention the increased wear & tear I will cause on the HDMI port. I have tried different configurations, DP-DP cable, DP-HDMI, DVI-HDMI, HDMI-HDMI, nothing changes. I have reinstalled the nvidia driver after changing the GPU (even though it's the same exact driver)

I had an RTX 3070 borrowed for a day as a test before installing this GTX 980, and I do not think I recall having that issue. I've only started noticing it after changing the graphics card. I could borrow that 3070 again to verify that for certain, of course. I also can get my hands on a GTX 1070 and a GTX 1080Ti for testing if need be.

Did anyone experience something like this? Is that something that's expected to happen due to using HDMI? I have enabled Thunderbolt boot and pre-boot support, PCI-e behind thunderbolt etc, everything is all turned ON.

I would appreciate any suggestions or help.

This topic was modified 3 months ago

Dell XPS 13 7390 2in1, i7-1065G7, 16GB DDR4 3733MHz, 512GB Toshiba Kioxia nvme, Intel Iris Plus Graphics, 4k Touch Screen
eGPU: Razer Core X Chroma, Asus GeForce GTX1070 8GB


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_Lomax_
(@_lomax_)
New Member
Joined: 3 months ago
 
I have found out the solution to the problem, so i'll post it here in case someone else needs in future. It's not ideal, but i believe there is no ideal solution in this case.
 
The short answer is - don't use old graphics cards.
 
The detailed answer is - i got two GPUs to test instead of my gtx980. i got a 1070 and a 3070. i have tested them both and both of them work absolutely spot on, whereas the 980 has issue with booting while plugged into a monitor.
I have done some cross-referencing and i suspect it may have something to do with the fact that GTX980 was released a year before the TB3 standard was. The GTX1070 was released a year after TB3 was released, so it may have some better tech made to work with thunderbolt devices. I don't think there's need to expand on the RTX3070.
So the end conclusion is - if you're going for a Thunderbolt 3 eGPU case - make sure that you pair it with a GPU that has been released after the date when TB3 came out (December 2015)
 
Good Luck Everyone!

Dell XPS 13 7390 2in1, i7-1065G7, 16GB DDR4 3733MHz, 512GB Toshiba Kioxia nvme, Intel Iris Plus Graphics, 4k Touch Screen
eGPU: Razer Core X Chroma, Asus GeForce GTX1070 8GB


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