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Mercay

GPU not detected after re-seating CPU

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Posted · Original PosterOP

I re-applied liquid metal to my CPU yesterday with some input from you guys, and now my GPU is no longer detected in windows.

 

The CPU and its onboard graphics is working perfectly fine, but my GPU no longer shows up in either device manager (even hidden devices), nor in the BIOS.

 

The RGB on the card keeps doing its thing, and when I turn on the computer my screens that are connected to the GPU briefly react and light their backlights, only to then go dark again. So there seems to be some sort of life in it?

 

I have uninstalled all nvidia drivers and attempted to reinstall them, but this fails due to the GPU being undetected.

 

I tried using my second PCI-E slot, but it has made no difference.

 

TL;DR I re-seated my CPU and my GPU is now completely undetected.

 

What should I do? Google has been less than helpful : /

 

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Have u tried reseating the GPU?

 

Have u got another PCI-E slot u can try the card in?


MAIN PC (Beast) - Asus ROG Crosshair Hero VII WIFI , AMD Ryzen 7 2700x + Corsair H115i Pro RGB Cooling, 32GB G.Skill 3200Mhz 16,18,18,38 1.35v DDR4, Inno3d HerculeZ Design Nvidia GTX 1080 X2 8GB GDDR5,  2 x Samsung U28E590D 3840 x 2160 4K, 1 x Samsung Evo 970 NVME PCI-E 500GB, 1 x Samsung Evo 850 250GB, 1 X Sandisk Ultra II SSD 240GB + 2 X 3TB Seagate Baracuda SATA III, 1 x LG BH16NS40 16x BR\DVDRW, Corsair Obsidian 750D Windforce Edition Case + 5 Corsair ML140 140mm Case Fans, EVGA 750 g3 750w Gold 80+ PSU, Logitech MX Vertical Mouse, Corsair K55 RGB Gaming Keyboard, Windows 10 Pro x64 Retail, Synology ds215j NAS + 2x3TB WD Reds connected to a 6TB Seagate USB 3.0 Backup Plus Hub, Logitech C920 Webcam, Blue Yeti Microphone, ESET Internet Security 2019 V12..

 

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16 minutes ago, Mercay said:

TL;DR I re-seated my CPU and my GPU is now completely undetected.

 

What should I do?

Reseat the CPU again. Check to ensure that no pins in the socket are damaged.

The PCIe lanes transfer data direct to the CPU, so if it is not seated properly or there are damaged pins in the socket it can cause the PCIe slots to stop working.


CPU: Intel i7 6700k  | Motherboard: Gigabyte Z170x Gaming 5 | RAM: 2x8GB 3000MHz G.Skill Ripjaws 5 | GPU: Gigabyte Aorus GTX 1080ti | PSU: Corsair RM750x (2018) | Case: BeQuiet SilentBase 800 | Cooler: Corsair H100i AIO | SSD: Samsung 970 Evo 500GB + Samsung 840 500GB | HDD: Seagate Ironwolf 8TB + 2x Seagate Ironwolf 6TB | Monitor: Acer Predator XB271HU + Samsung BX2450

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Posted · Original PosterOP
43 minutes ago, jimkirk363 said:

Have u tried reseating the GPU?

 

Have u got another PCI-E slot u can try the card in?

I have reseated the GPU in the first slot and tried the second slot too, same result.

 

37 minutes ago, Spotty said:

Reseat the CPU again. Check to ensure that no pins in the socket are damaged.

The PCIe lanes transfer data direct to the CPU, so if it is not seated properly or there are damaged pins in the socket it can cause the PCIe slots to stop working.

I checked the pins before I dropped the CPU in, everything seemed in order at that time.

 

I’ll try to reseat the CPU again, is there anything else I could try before I rip through my water cooling? 😅

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1 minute ago, Mercay said:

I checked the pins before I dropped the CPU in, everything seemed in order at that time.

 

I’ll try to reseat the CPU again, is there anything else I could try before I rip through my water cooling?

Custom cooling or AIO?

 

Try the GPU in the third slot. Uses 4x PCIe lanes through the chipset instead of direct to the CPU. If it works in the 3rd slot that should rule out the GPU being the issue.


CPU: Intel i7 6700k  | Motherboard: Gigabyte Z170x Gaming 5 | RAM: 2x8GB 3000MHz G.Skill Ripjaws 5 | GPU: Gigabyte Aorus GTX 1080ti | PSU: Corsair RM750x (2018) | Case: BeQuiet SilentBase 800 | Cooler: Corsair H100i AIO | SSD: Samsung 970 Evo 500GB + Samsung 840 500GB | HDD: Seagate Ironwolf 8TB + 2x Seagate Ironwolf 6TB | Monitor: Acer Predator XB271HU + Samsung BX2450

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Posted · Original PosterOP
12 minutes ago, Spotty said:

Custom cooling or AIO?

 

Try the GPU in the third slot. Uses 4x PCIe lanes through the chipset instead of direct to the CPU. If it works in the 3rd slot that should rule out the GPU being the issue.

 

It’s a corsair h110i, should be easy to remove but my cable management has made a lot harder than it should be 😭

 

I’ll get it done either way.

 

My motherboard only has two full sized PCI-E slots, neither one makes it work atm.

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Posted · Original PosterOP

Fixed! There were two bent pins in the socket, I carefully bent them back into position with an exacto knife and now everything is in perfect working order! 😅

61F2D761-EAA4-4CA6-B626-5C1ABA106713.jpeg

 

Thanks for the help guys!

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