Resolve Windows 10 related issues for your HP computers or printers by HP Windows 10 Support Center
My HP Laptop will not boot if connected to my Razer Core X via thunderbolt. Both the laptop (open) and monitor display blank screen.
Waiting for the Windows Login Screen and connecting will allow the eGPU to work normally.
Hi@rhalabicki, Welcome to the HP Support Community!
Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:
From their comments, it sounds like a BIOS mod is needed to make this work.
That, coupled with replacing HP pre-installed hardware with third-party hardware almost certainly voids your warranty.
While you respond to that, let's try these steps:
1) Shutdown the computer.
2) Unplug all the Adapter and peripherals connected.
3) Remove the Battery. ( not for Built-in Battery computer )
4) Press and hold down the power button for 15 to 20 seconds.
5) Plug-in the Adapter and put the Battery back into the computer if it's a (removable battery)
6) Try to turn on the computer and check.
Hope this helps! Keep me posted.
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if you read, you'll see, booting without the egpu works, but if the laptop restart or trying to boot with the egpu connected it won't go, just black screen.
I have no doubt its a bios issue.
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