No display from GPU

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Custom Built Desktop PC

A Desktop PC built from off-the-shelf DIY parts, rather than a prebuilt from a major manufacturer. These can also be built by an SI using off-the-shelf parts.

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Jake @jakeson

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发帖于: 2023年9月18日

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No display from GPU

any help apperciated.

b650m MB, AMD r5 7600 CPU, AMD 7900xt GPU.

seems like my gpu isnt turning on.

new build (been running fine for 5 days) came back after tea to black screen.

pc works plugged into MB
Have done ddu clean and reinstall
have reset cmos and bios flash (didnt have any overclocking)
have changed out gpu-psu cable and tried different psu port
have tried gpu in secondary pcie slot
when i first power on computer gpu fans spins approx 5mm then stops

anyone have any ideas.

cheers

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jayeff @jayeff 声誉积分: 450千 11 367 1.4千 · Answer 1 · 2023-09-19T02:39:59-07:00

jayeff @jayeff

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发帖于: 2023年9月19日

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Hi @jakeson

Just verifying that the PC turns on OK but there's no video output is this correct?

If it does then it seems that the GPU card has failed for some reason, although it can still communicate with the motherboard otherwise the PC would have failed POST (Power On Self Test) on startup.

Not sure that what you mean by "pc works plugged into MB"?

If the PC doesn't start OK as there are a few different makers and versions of a B650M motherboard e.g. Asus Tuf Gaming, Prime Gigabyte Aorus Elite, DSH3. etc, which particular make and model is yours?

How did you do a BIOS flash without a display?

Try connecting a system speaker (supplier example only) to the appropriate header pins on the motherboard (check in your motherboard's user manual for either "speaker" or "buzzer" header pin location) and then turn on and check if any beep error codes are produced indicating what's wrong

Here are some links that may help Gigabyte beep error codes, Asus beep error codes

Hi @jakeson

I was updating my answer as you replied so maybe re read it just in case

For the system speaker header see the SPK_PLED1 header pinout on p.39 of the user manual, the location is Item #16 on p.6

Here's an image of the beep error codes used by Asrock