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My comp turns on for 5seconds and turns off or dosnt turn on at all

By Osiris Oracle
Feb 18, 2008
  1. Somtimes I turn it on and it stays on for about three seconds then turns off then on for another three seconds somtimes the lights are very dim red and the fan barly spins and most of the time it dosnt even turn on. Will this happend to me about three month ago and one day it just started working normally but now its been broken for a while and I tried to fix the power button I seen that was the problem on some forums but that didn't work I tried alot of things but nothing seems to work and just turned it off one day and it stopped working so i dont know if its the power source but just give me something to try please.
     
  2. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    Sounds like a bad PSU to me. Either buy or borrow a known working PSU and swap it with yours.
     
  3. whitelatte

    whitelatte TS Rookie Posts: 19

    Have you tried checking on the fan/ ventilation? i use to have this problem with my P3. fan was jam with debris/ dust. when i boot up, it was fine, once i go in to window it freeze. After i got the fan moving (cleaning the dust) it works fine.

    Hope it works for you.

    Oh, Zenosincks mght have a point there too. Thought my experience was on the CPU. Cheers,
     
  4. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    ya I tried cleaning out the whole thing didn't do much
     
  5. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    Clogged fans probably wouldn't cause dimming lights :p.
     
  6. whitelatte

    whitelatte TS Rookie Posts: 19

    ah, i guess you are experiencing others problem, PSU perhaps like mentioned by Zenosincks. My apology i missed the point you said about dimming light. :)
     
  7. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    you have any recomendations on a new psu
     
  8. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    We will need your system specifications first...
     
  9. whitelatte

    whitelatte TS Rookie Posts: 19

    Mind stating ur specs Maybe it might be helpful 4 all. especially ur PSU.
     
  10. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    and I had warenty I sent it out then this happend for a couple days and started working again do you think they replaced the CPU warenty finished now.
    for sure they replaced the mother board tho
     
  11. whitelatte

    whitelatte TS Rookie Posts: 19

    don't really get what you meant, care to enlighten?
     
  12. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    I sent out my computer for this reason and now its happing again they might have replaced it
     
  13. whitelatte

    whitelatte TS Rookie Posts: 19

    i suppose you should really try your PSU. Thats what i can think off anyway. Any further than this Zenosincks might be able to shed some lights?
     
  14. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    It might be a little hard to get specs when I can't turn it on but I'll try to check
     
  15. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    How can I test it
     
  16. whitelatte

    whitelatte TS Rookie Posts: 19

    Well, i suppose your PSU will be the first suspect. Even my senior say 'check the PSU' haha (i am not expert, mind you)

    it's a learning process EVERYDAY. :)
     
  17. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    Ok will I'm trying and now its turning on for about 2-3 seconds and shutting off I got the lid off what you want me t try
     
  18. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    Did you buy the PC from a retail outlet? Is it a Dell/HP/Gateway etc? If so, give us the brand and model number...
     
  19. whitelatte

    whitelatte TS Rookie Posts: 19

    able to see the model/ make?
     
  20. Osiris Oracle

    Osiris Oracle TS Rookie Topic Starter

    its acer and the model is aspire t320
     
  21. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    Look on the back of the case for a Serial Number and post that please..
     
  22. whitelatte

    whitelatte TS Rookie Posts: 19

    i shall leave this to Zenosincks, he should be able to help you further compare to newbies like me. ;P

    good luck on it.
     
  23. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    Lmao, I'm not exactly an expert on any of this either. I'm learning by the second...
     
  24. whitelatte

    whitelatte TS Rookie Posts: 19

    my way of doing is troubleshooting by parts. if you have by any chance a spare PSU you can try that on and you can determine if it's the PSU.
     
  25. Matthew

    Matthew TechSpot Staff Posts: 5,268   +92

    Not exactly a reliable method at the present time considering the fact that they don't know what their system requires as far as a PSU goes. Probably a good idea to know what PSU you're putting into your PC ;).
     
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