Question PCIe slot doesn't work ?

Jan 23, 2022
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Hi every one, I have Acer B36H4-AD motherboard but the pci express slot dont working, I install graphic card gtx750 ti , I hear 2 beep sound, after that it start with the integreted graphic card.

  • I tried my graphic card in another computer and it worked fine.
  • I updated my bios same problem.
  • I clean the pci port same problem
  • I open device manager and the graphics card is not shown there either.
Plz someone can help me?
 

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