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Motherboard Vs. CPU; something's up but i"m not sure what's going on

Good Day Everyone,
I'm having a problem with my wife's computer and i'm leaning towards the Motherboard going out but I wanted to see if there was any more insight before I drop the money for a new mobo.

Issue: Computer won't boot, or post, regularly.

Symptoms:
- I push the power button and it turns on, hard drive spins, fan spins, cd rom spins, but the system doesn't post(Beep). It just sits in this state and nothing happens
- When I hold down the power button, nothing happens. I have to manually switch of the PSU to turn the computer off again
- Randomly, it does start to boot but after accessing the motherboard bios, the monitor will just go blank and everything will stop responding.

Troubleshooting so far:
1. Re-seated the Ram and PSU; issue persists
2. Unhooked CD rom, harddrive; issue persists
3. Re-set bios: this caused it to work for 30 seconds till the screen went blank(Symptom 3)
4. Replaced monitor to working computer, monitor works fine.

Parts:
ASUS M4A87TD/USB3 AM3 AMD 870 SATA 6Gb/s USB 3.0 ATX AMD Motherboard

AMD Athlon II X3 455 Rana 3.3GHz Socket AM3 95W Triple-Core Desktop Processor ADX455WFGMBOX

G.SKILL Ripjaws X Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-8GBXL

HIS H467QS1GH Radeon HD 4670 1GB 128-bit DDR3 PCI Express 2.0 x1
10 answers Last reply Best Answer
More about motherboard cpu
  1. Check for bent pins on the cpu
  2. expl0itfinder said:
    Check for bent pins on the cpu


    Thanks for the insight but I haven't removed the CPU in about 1.5 years. it's been working up until yesterday.
  3. tiger_eyes1 said:
    expl0itfinder said:
    Check for bent pins on the cpu


    Thanks for the insight but I haven't removed the CPU in about 1.5 years. it's been working up until yesterday.


    Oh so this is a recent issue. Ok, well it may be an issue with either the PSU or RAM, is there any way you can check the ram in a different computer?
  4. Unfortunantly not, my computer is still running DDR2 while hers is DDR3. My friend brought over his ram, CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9B; and the issue is persisting.
  5. Best answer
    tiger_eyes1 said:
    Unfortunantly not, my computer is still running DDR2 while hers is DDR3. My friend brought over his ram, CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9B; and the issue is persisting.


    Ok, so that narrows it down to the PSU. What brand do you own?
  6. Okay, i'll try that. THe PSU she has is a Apevia but it is a bit old. I've got a corsair modle in my computer. I"ll try swapping that out to see if that resolves the issue. be back in 10-15 min.
  7. Okay, a little bit longer that 15 minutes but It does appedar that the PSU is the issue. I was able to manage bios and boot in to windows with no issues, something I haven't been able to do since yesterday. Thank you for the insight, I really appriciate the help!
  8. tiger_eyes1 said:
    Okay, i'll try that. THe PSU she has is a Apevia but it is a bit old. I've got a corsair modle in my computer. I"ll try swapping that out to see if that resolves the issue. be back in 10-15 min.


    tiger_eyes1 said:
    Okay, a little bit longer that 15 minutes but It does appedar that the PSU is the issue. I was able to manage bios and boot in to windows with no issues, something I haven't been able to do since yesterday. Thank you for the insight, I really appriciate the help!


    No problem, glad we have it figured out!
  9. .
  10. Motherboard could be dead. But i don't know how something like that could just happen. But we're running out of things to blame
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