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Failing to POST, any troubleshooting tips?

 
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post #1 of 6 (permalink) Old 01-06-2020, 03:10 AM - Thread Starter
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Failing to POST, any troubleshooting tips?

My problem:

I took a break to have lunch and read some of Stephen King's Dark Tower series. When I came back, my computer would not POST or display. I haven't changed anything recently. It's about 6 years old. The CPU led on the motherboard lights up. Most fans are spinning, except for the GPU fans, which spin very briefly; some years ago, one of the GPU fans stopped spinning unless the temps get very high, at which point it starts spinning. The motherboard speaker I bought doesn't make any beeps.

Specs:

CPU: AMD FX8350, GPU: Radeon 7950, Motherboard: m5a99fx pro r2.0, PSU: Rosewill Capstone 750 RAM: GSkill Ripjaws 2x4GB 1600 DDR3 (also monitor, mouse, keyboard)

What I've tried:

I've breadboarded the computer, using only the items in the above specs.

I bought a multimeter and tested the voltages from the PSU. From the 24 pin motherboard connection, to the CPU and GPU connections, everything is within spec.

I've tried booting using combinations of 1 or both RAM sticks, and different slots.

I've tried replacing the CMOS battery and clearing the CMOS by moving that little 2 pin connector over.

I've tried reseating everything, including the CPU, which did not have any bent pins.

What I'm planning:

The PSU seems fine based off the voltages I read. Unless both RAM sticks failed, I think the RAM is fine, too. I hear CPUs rarely ever fail, so I doubt it's that. The monitor turns on and I can switch inputs, brightness, etc., so I doubt it's that either.

Based on how the GPU fans aren't spinning right, I think it's that. However, it could also be the motherboard. The only way I can think to narrow it down further, besides buying a GPU or motherboard, is find a GPU I can borrow.

Does anyone know of any troubleshooting methods I missed?

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post #2 of 6 (permalink) Old 01-08-2020, 05:57 PM
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Quote: Originally Posted by Chelate View Post
My problem:

I took a break to have lunch and read some of Stephen King's Dark Tower series. When I came back, my computer would not POST or display. I haven't changed anything recently. It's about 6 years old. The CPU led on the motherboard lights up. Most fans are spinning, except for the GPU fans, which spin very briefly; some years ago, one of the GPU fans stopped spinning unless the temps get very high, at which point it starts spinning. The motherboard speaker I bought doesn't make any beeps.

Specs:

CPU: AMD FX8350, GPU: Radeon 7950, Motherboard: m5a99fx pro r2.0, PSU: Rosewill Capstone 750 RAM: GSkill Ripjaws 2x4GB 1600 DDR3 (also monitor, mouse, keyboard)

What I've tried:

I've breadboarded the computer, using only the items in the above specs.

I bought a multimeter and tested the voltages from the PSU. From the 24 pin motherboard connection, to the CPU and GPU connections, everything is within spec.

I've tried booting using combinations of 1 or both RAM sticks, and different slots.

I've tried replacing the CMOS battery and clearing the CMOS by moving that little 2 pin connector over.

I've tried reseating everything, including the CPU, which did not have any bent pins.

What I'm planning:

The PSU seems fine based off the voltages I read. Unless both RAM sticks failed, I think the RAM is fine, too. I hear CPUs rarely ever fail, so I doubt it's that. The monitor turns on and I can switch inputs, brightness, etc., so I doubt it's that either.

Based on how the GPU fans aren't spinning right, I think it's that. However, it could also be the motherboard. The only way I can think to narrow it down further, besides buying a GPU or motherboard, is find a GPU I can borrow.

Does anyone know of any troubleshooting methods I missed?
Can you be more specific with your symptoms?
Just based on what you have provided I'm thinking power supply. Even thou you checked the voltage level at the 24 pin connector it was not under load when you did that.

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post #3 of 6 (permalink) Old 01-08-2020, 05:59 PM
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board doesn't have any sorta beep codes, or blink codes or post light checklist?

hmmmm. can you boot from bulldozer with a GPU?

R.I.P. Zawarudo, may you OC angels' wings in heaven.
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post #4 of 6 (permalink) Old 01-08-2020, 06:00 PM
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board doesn't have any sorta beep codes, or blink codes or post light checklist?

hmmmm. can you boot from piledriver without a GPU? IDR the igpu specifics.

R.I.P. Zawarudo, may you OC angels' wings in heaven.
If something appears too good to be true, it probably is.
Best R0ach Quote of all time : TLDR: Haswell might be the last legit gaming platform unless mice get their own non-USB interface on some newer architecture.
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post #5 of 6 (permalink) Old 01-08-2020, 06:12 PM
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If u have an old school speaker i would stick that on the mb and see what the beep code are.

Most of the time i think it be either your ps or vc. Some reason i think its your vc.. shrug
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post #6 of 6 (permalink) Old 01-08-2020, 06:53 PM
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Yeah, at this point you'll need to swap out parts.

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https://www.overclock.net/case-mod-wo...e-fan-mod
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G.SKILL Ripjaws V Series 32GB (2x16GB) DDR4 3600 16-19-19-39 CL 16 1.35V
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