Power supply issue?

Discussion in 'Hardware' started by tripseven, Nov 7, 2011.

  1. tripseven

    tripseven Private First Class

    I have a Powerspec 6002 . The computer will only boot to the "Powerspec"
    logo screen. I pulled the cover off. The CPU cooling fan runs but the case cooling fan is not. Also, the normal "beep" at boot up is not there. So my question(s) are:
    1.) Does a power supply failure always take out the mother board?
    2.) Will the cpu and ram be reusable?
    3.) Should I take it to a shooting range and practice with my 9MM?rolleyes
    4.) If decide to test the power supply, where should I ground the negative test lead?

    Thanks in advance.
    Bill
     
  2. gman863

    gman863 MajorGeek

    Since the PC starts to the boot screen (and doesn't turn off by itself), I doubt it's the power supply. Here are a few quick tricks to diagnose the issue:

    * Unplug the PC, remove the CMOS (button size) battery from the board for about 60 seconds, reinsert it and restart the PC.

    * Disconnect the hard drive(s) and attempt a reboot - if it goes as far as a "no disk" message, try booting Linux or DOS from a CD or USB. If this works, replace the hard drive and reload Windows.

    * In any case, replace the defective cooling fan unless you end up trashing the PC.

    Hope this helps. :)
     
  3. jlphlp

    jlphlp Master Sergeant

    Hi Tripseven,

    If you would still like to check with your meter ground is any black wire in the harness and also the case. Black wire is best. Red is 5 V., Yellow is 12 V. etc.

    Good Luck, Jim
     
  4. augiedoggie

    augiedoggie The Canadian Loon - LocoAugie (R.I.P. 2012)

    Yes but a DVOM can't test a PSU properly as the meter doesn't put it under load conditions as it will still provide some power and show the proper volts, but booting a machine into the OS takes the most power. Do try to boot to a LiveCD though, just for the heck of it.

    @tripseven) The 6002 is at least 4 years old and I can't see them installing any kind of a quality PSU either, and all PSU's die a slow death due to capacitor degradation. So if yours was already pushing out power near it's capacity then the years will take it's toll at %10 to %20/year.

    I had a fairly new computer though just out of warranty(rolleyes), I decided to double my RAM TO 512MB, added a second CD drive and a second hard drive and the thing wouldn't even boot XP, as soon as I removed the second HDD it booted(the drive was good).

    You can go to a tech and find out if that's your issue or spend some $20-30 and replace it with another 250/300W PSU which I think might be in the ballpark. It's like a car, you keep things but when do you stop and say it's not worth it anymore?
     
  5. tripseven

    tripseven Private First Class

    Thanks to all for your help. Long story short, the video card took a dump.
     
  6. jlphlp

    jlphlp Master Sergeant

    Hi Augie,

    You are 100% correct about testing a power supply. However when a poster asks a simple question I believe he deserves a simple answer.

    Jim
     
  7. augiedoggie

    augiedoggie The Canadian Loon - LocoAugie (R.I.P. 2012)

    Sorry man, I can't give the OP a simple answer, computers do not have simple solutions most times. Thanks for agreeing with my post, hopefully it's not the correct assessment.;) I have no idea really. Tough to diagnose these things.;)

    At least the OP finally found out that it was his GPU at fault. None of us could have predicted that with the provided info!
     
    Last edited: Nov 10, 2011

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