Computer turns on but does not run

By jmolinav
Nov 18, 2007
  1. Hello!

    All of a sudden, my computer stopped working! It was functioning perfectly, and last saturday night I left on the whole night, and next day it was off. I pushed the on button and it turned on but thats it. No image, and it seemed not to be running the drives.
    The Cd-Roms lights turn on, the fan runs but it seems to be everything running... I'm afraid it could be the CPU or even worse, the Motherboard. Does anyone have any idea of what is going on? I dont wanna take it to the Geek Squad because they will charge me $75 just to tell me what I am afraid the problem is!

  2. Samstoned

    Samstoned TechSpot Paladin Posts: 1,018

    do you know how to reset cmos or bios
    in my shop thats where I start after removing all unnecessary hardware
    then check PSU
    memory is next
    it could be anything at this point
    but if the hard drives don't even spin up
    PSU likely cause then there's the board 2nd to PSU
    had a double spike here and one machine's motherboard got shot down
    all other parts worked
    good luck and welcome to techspot best place on the net to fix ailing computer
  3. jmolinav

    jmolinav TS Rookie Topic Starter

    Thanks for your reply!!
    I removed the flat round battery from the motherboard and waited a couple of minutes (is that how you reset the BIOS?). Nothing happened...

    How do I check PSU memory? That would be my next step.
    I really appreciate your help!

  4. Samstoned

    Samstoned TechSpot Paladin Posts: 1,018

    should be a jumper setting find manual for motherboard
    find jumper setting
    removal of battery can corrupt cmos be careful
    there are 2 wires on the main connector that will start the PSU this is a temp jumper should not be left on for any length of time
    the green and black google for PSU test
    should have multimeter to check voltages from unit
    another way get a known good PSU and attach to MB should poser on
    if you have 2 stick of memory remove 1 test no video replace remove other test again (only works with non dual memory config's)
    while you are doing these tests unplug from wall when removing hardware
    do you here any beep codes when trying to start
    I can understand why no geek squad TV show reported scams run by them and other computer repair shops
    the most honest of them was circuit city
  5. 8230 machine

    8230 machine TS Rookie

    Hi i have asimilar problem my E machine will fir up and the cpu fan runs at high speed the h/d light comes on for a few seconds and nothing else i cant even get in to the bios have checked all the conection and removed all newly instaled hard ware with no luck can you please help/ as i have to use a much slower p3 at the mo and its slow lol. many thanks
  6. tipstir

    tipstir TS Ambassador Posts: 2,383   +105

    Replace the PSU is going bad... PSU (power supply unit) get 400watts or better..
  7. 8230 machine

    8230 machine TS Rookie

    thank you i will try a new one
  8. magiclight

    magiclight TS Member Posts: 66

    this may seem silly but the last time i had that problem the cable connected to my monitor wasnt connected right.. hope this helps

  9. 8230 machine

    8230 machine TS Rookie

    Thanks for all your help i have tried alsorts of things now diff grafix card diff memory to no luck. I would like to know firstly if there is a psu that is compatiable with the e-machine 8230 desck top if so wich one shold i get as i tech guy from pc world said that i could only use an emachine type one for the pc. Or can i replace the mother board for another type if so witch one could i get and what psu to buy.
    Sorry for the long list i am fairly new to the new types of pc's
    may thanks
  10. CGob

    CGob TS Rookie

    I've just experienced a similar problem. I sat down in front of my computer ready to do some work when the monitor stopped receiving a signal. The PC gave me the impression it had reset. Nothing happened for a few minutes, so I manually reset my computer. My computer would turn on (fans, lights, etc.) but my disk drives would not work, and my sound and monitor never received a signal. I also never got references to the BIOS.

    The fans ran as if they normally would, but I got nothing after turning on the unit. Could this possibly be related to the PSU as well?

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