Computer won't POST after cleaning with compressed air.

quubit · Mar 22, 2015

I cleaned out my computer with compressed air yesterday. Now it won't post. It gets stuck at "d1" Dr. Debug code. d1 is "Perform keyboard controller BAT test. Check if waking up from power management suspend state. Save power-on CPUID value in scratch CMOS."

Specs:
CPU: Phenom II x6 1055t
GPU: Radeon HD 5830
PSU: OCZ ModXStream Pro 600w
RAM: G.Skill F3-12800CL9D-4GBECO
Motherboard: ASRock 890fx Deluxe4

I have tried resetting the CMOS, removing the GPU, removing the ram, using one ram instead of two, but it gets stuck at d1 every time. The CPU has no bent pins, I checked. Could condensation from the compressed air have damaged a component? Could static electricity? I wasn't wearing an anti static wristband but I am on an exercise mat and touched the case before touching components. Please help me out!

quubit · Mar 22, 2015

It was a can of compressed air, not an air compressor. And I didn't notice anything get blasted off.

quubit · Mar 22, 2015

No jumpers are missing from what I can see. Yes, I spent hours googling it prior to posting here.

makkem · Mar 22, 2015

Hi
When using the can of air did you use the straw and did you touch the straw to the motherboard,as the straw can become highly charged with static.
Have you tried a different keyboard ?
Was the PC plugged in when you cleaned it ?
Did liquid spray out of the can onto the motherboard ?

quubit · Mar 22, 2015

I dont recall the straw touching the motherboard
No I have not
It was plugged in but not powered on
I don't think so

I just took apart my PC and set it up with just the HSF and CPU. Still gets stuck at d1. No beeps or anything, but fans and lights come on. I think it has to do with the "Save power-on CPUID value in scratch CMOS." If not, I'm guessing I'll need to get a new motherboard?

makkem · Mar 22, 2015

Since it was plugged in but turned off the motherboard will have been grounded so it is pretty unlikely to be a static problem.
It may be worth updating your BIOS so that if it is corrupt the new version will overwrite it.

quubit · Mar 22, 2015

How would I update it if I can't reach the bios?

makkem · Mar 22, 2015

Did you reset the BIOS with a jumper ?
If so it may be worthwhile removing the battery for an hour.
If this does not work you may need to get a new motherboard.

quubit · Mar 22, 2015

Yesterday I removed the battery for about 45 minutes. Today I tried resetting with the jumper many times but it didn't work. I'll try removing the battery again and if this doesn't work I'm probably just going to resort to buying a new motherboard. So is this definitely a motherboard problem or could it be related to the CPU?

makkem · Mar 22, 2015

Difficult to say,it is more likely to be the motherboard but there is a small chance it is the cpu.
Not really possible to tell without a spare motherboard to test the cpu on.

mmaatt747 · Mar 23, 2015

quubit :

It is hard to say but motherboards go bad WAY more often than CPU's do.

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