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‎03-01-2019 02:37 AM - edited ‎03-01-2019 02:58 AM

HP Recommended

Wierd one, bare with me:

 

Recently bought a HP Prodesk 400 | G5 | MT. It is hooked up to 3 monitors. 2 monitors are hooked to an GPU (HP AMD Radeon R7 430 2GB) 1 monitor is hooked up to the internal GPU. All though DisplayPort.

 

Sometimes, around 80% of the time, when you turn on the computer it says: "no boot device found". After a lot of Problem solving i found out that when you disconnect the 3rd monitor (any monitor) it fixes the issue.

 

  • Tried updating the bios / reinstalling drivers.
  • Tried reseating the SSD
  • Tried a different GPU. Nvidia NVS 310.
  • Tried hooking up al the monitors with the internal GPU only ( 2x DP 1x VGA)
  • Tried all of the above with an other HP Desktop 400 | G5 | MT. Exact same problem.

A workaround is to boot the computer with 2 monitors and attach the 3rd monitor after Windows has booted. All 3 monitors will work fine untill you reboot the computer.

 

I'm at a loss. Thanks in advance.

 

 

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