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Computer stopped displaying

Zamia
By Zamia
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My computer has randomly stopped displaying after working previously about 3-4 hours ago. At first I thought it was my GPU which had some problems in the past. Sometimes when I booted it up, the GPU seemed to be artifacting and the computer essentially became unusable but would fix itself after a restart. I've tried to reseat the GPU which did nothing as well as try to plug in my display port to my motherboard instead of the GPU which also resulted in nothing. The monitor is definitely on as I can see it flickering a black screen very slowly. The motherboard also lights up as it usually has when it is booting. 

 

Here is my build (All these parts are around 8 months old except the GPU which I've been using for about 5 years)

PCPartPicker Part List: https://pcpartpicker.com/list/HdBZLc

CPU: AMD Ryzen 7 7800X3D 4.2 GHz 8-Core Processor  ($476.00 @ Amazon) 
CPU Cooler: Deepcool LS720 SE 85.85 CFM Liquid CPU Cooler 
Motherboard: Asus TUF GAMING B650-PLUS WIFI ATX AM5 Motherboard  ($212.00 @ Amazon) 
Memory: G.Skill Trident Z5 Neo RGB 32 GB (2 x 16 GB) DDR5-6000 CL30 Memory  ($106.99 @ Newegg) 
Storage: Samsung 970 Evo Plus 2 TB M.2-2280 PCIe 3.0 X4 NVME Solid State Drive  ($172.01 @ Amazon) 
Video Card: Asus TUF GAMING GeForce RTX 3080 10GB 10 GB Video Card 
Case: Lian Li LANCOOL 216 RGB ATX Mid Tower Case  ($89.99 @ Newegg) 
Power Supply: MSI MPG A850G PCIE5 850 W 80+ Gold Certified Fully Modular ATX Power Supply  ($119.99 @ Amazon) 

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Sounds like the GPU may have finally bitten the dust. Does your 7800X3D's iGPU show the same problems? What about using the same GPU in your other x16 slot? Do you have a spare dGPU?

Don't tell me to upgrade. I would've done so if I could.

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1 minute ago, vanpuffelen said:

Sounds like the GPU may have finally bitten the dust. Does your 7800X3D's iGPU show the same problems? What about using the same GPU in your other x16 slot? Do you have a spare dGPU?

iGPU has the same problem. I do not have another GPU with me but I could try putting it into the other x16 slot

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11 minutes ago, Zamia said:

iGPU has the same problem. I do not have another GPU with me but I could try putting it into the other x16 slot

Seems like we can rule out the GPU then. If the iGPU shows the same issues, then it may be motherboard related. Are you getting any POST LEDs during, well, POST?

Don't tell me to upgrade. I would've done so if I could.

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3 minutes ago, vanpuffelen said:

Seems like we can rule out the GPU then. If the iGPU shows the same issues, then it may be motherboard related. Are you getting any POST LEDs during, well, POST?

Whenever I turn on the computer, the LED's start to flash. Usually a variation of yellow, white, red, then a green one. Once the green one lights up, after a few seconds it goes away which typically happened when it functioned normally.

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8 minutes ago, Zamia said:

Whenever I turn on the computer, the LED's start to flash. Usually a variation of yellow, white, red, then a green one. Once the green one lights up, after a few seconds it goes away which typically happened when it functioned normally.

Here is a video of what I mean

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5 hours ago, Zamia said:

Here is a video of what I mean

IMG_9022.mov

That looks like a standard POST procedure during startup, although it lasts a little longer on the red LED. What name belongs to that LED, and have you tried reseating the RAM and CPU? Otherwise it may be related to the motherboard.

Don't tell me to upgrade. I would've done so if I could.

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2 hours ago, vanpuffelen said:

That looks like a standard POST procedure during startup, although it lasts a little longer on the red LED. What name belongs to that LED, and have you tried reseating the RAM and CPU? Otherwise it may be related to the motherboard.

The red light appears to be on CPU and the yellow on DRAM. I just tried reseating the RAM which led to nothing. I wouldn't be entirely thrilled to reseat the CPU as I don't have any thermal paste available to me.

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9 minutes ago, Zamia said:

The red light appears to be on CPU and the yellow on DRAM. I just tried reseating the RAM which led to nothing. I wouldn't be entirely thrilled to reseat the CPU as I don't have any thermal paste available to me.

This might lead to slightly worse temps, but you can try to be quick, and not touch the thermal paste at all whilst you try and reseat it. I don't really recommend it, though.

Don't tell me to upgrade. I would've done so if I could.

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2 hours ago, vanpuffelen said:

This might lead to slightly worse temps, but you can try to be quick, and not touch the thermal paste at all whilst you try and reseat it. I don't really recommend it, though.

I swapped out my display port cable and took out 1 of the RAM sticks which provided me with the motherboard splash screen but nothing else. I am able to get into the bios now at least.

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11 minutes ago, Zamia said:

I swapped out my display port cable which provided me with the motherboard splash screen but nothing else. I am able to get into the bios now at least.

Just disabled EXPO on both the sticks which, after a restart, didn't display the motherboard screen

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36 minutes ago, Zamia said:

I swapped out my display port cable and took out 1 of the RAM sticks which provided me with the motherboard splash screen but nothing else. I am able to get into the bios now at least.

Can you get into the OS or not?

Don't tell me to upgrade. I would've done so if I could.

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1 hour ago, vanpuffelen said:

Can you get into the OS or not?

No I am unable to get into the OS. I didn't touch it for a bit and its showing the motherboard screen again. The bootup time is much faster now, as before, the yellow light would stay on DRAM for a good minute or two.

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2 minutes ago, Zamia said:

No I am unable to get into the OS. I didn't touch it for a bit and its showing the motherboard screen again. The bootup time is much faster now, as before, the yellow light would stay on DRAM for a good minute or two.

I just took out the RAM stick I took out before and it loaded me into windows

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Whenever I seem to make a change (as in taking a ram stick out or putting it back in) it boots up slowly and after a restart it then decides to boot up quickly. I've got into windows 3 times now but it is not consistent at all and usually happens after I wait a long time before trying to turn on the system again.

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4 hours ago, vanpuffelen said:

Check every RAM stick. You might have a failing RAM stick.

I've tried both RAM sticks many times but there is no consistency. I have 2x16gb sticks and I just swapped 1 for the other which got me into windows but upon shutting down and booting again, it doesn't display anything. 

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10 minutes ago, Zamia said:

I've tried both RAM sticks many times but there is no consistency. I have 2x16gb sticks and I just swapped 1 for the other which got me into windows but upon shutting down and booting again, it doesn't display anything. 

Did you try different slots and/or spare RAM?

Don't tell me to upgrade. I would've done so if I could.

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11 hours ago, vanpuffelen said:

Did you try different slots and/or spare RAM?

Tried different slots and the only ones that seem to work are A2 and B2. I tried putting only 1 of the sticks in A1 which led to a yellow light on DRAM that wouldn't turn off. I don't have access to any spare RAM. Asked a friend if I could borrow his real quick.

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4 hours ago, Zamia said:

Tried different slots and the only ones that seem to work are A2 and B2. I tried putting only 1 of the sticks in A1 which led to a yellow light on DRAM that wouldn't turn off. I don't have access to any spare RAM. Asked a friend if I could borrow his real quick.

Good. Please let me know when you got some spares.

Don't tell me to upgrade. I would've done so if I could.

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1 hour ago, vanpuffelen said:

Good. Please let me know when you got some spares.

I figured something out. Whenever it boots as it usually does, If i keep unplugging/plugging in the display port into the GPU, it will eventually display the windows home screen.

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2 hours ago, Zamia said:

I figured something out. Whenever it boots as it usually does, If i keep unplugging/plugging in the display port into the GPU, it will eventually display the windows home screen.

Do you have any other cables that you know work fine??

Don't tell me to upgrade. I would've done so if I could.

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1 minute ago, Zamia said:

I swapped out the cable with a brand new one earlier which didn’t change anything. Don’t have an hdmi cable with me.

Try putting everything back together, see what happens. Have you got some spare RAM yet?

Don't tell me to upgrade. I would've done so if I could.

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