Windows XP computer does not start.

The computer does not access BIOS. When turned on it cycles through the drives, powers down, starts up, repeats the cycle and shuts down, this repeats over and over. The BIOS screen never appears.
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  1. what key does your system use to access the bios? this is the key you want to be hitting on startup whether or not you see the splash screen. once you get into the bios i think you will need to change your boot order and boot from your xp install cd and do at very least a repair install.
  2. aldan said:
    what key does your system use to access the bios? this is the key you want to be hitting on startup whether or not you see the splash screen. once you get into the bios i think you will need to change your boot order and boot from your xp install cd and do at very least a repair install.
  3. I have tried both F2 and F10, neither works. If I put the XP disk in the CD drive it does not read from it.
  4. what is the brand of your machine.maybe a different key is use to access bios? try delete key.
  5. aldan said:
    what is the brand of your machine.maybe a different key is use to access bios? try delete key.
  6. I built it my self. It is a Intel DP55WB mother board.
  7. try taking out the cmos battery for a few minutes and then reinstalling. this will reset your bios to default settings.
  8. aldan said:
    try taking out the cmos battery for a few minutes and then reinstalling. this will reset your bios to default settings.


    This did nothing. I still cannot access BIOS or any installed hardware.
  9. how about any events leading to this condition. any hardware or software changes? you dont by chance have a fax modem card installed do you?
  10. aldan said:
    how about any events leading to this condition. any hardware or software changes? you dont by chance have a fax modem card installed do you?


    No fax modem card. I did a reinstall of XP. Can not make a changes now as I can't even start the systemj.
  11. i got one more idea.turn the switch on the back of the psu off.then push and hold the power button for a few seconds. go have a coffee or something and then try turning the computer on.try this both with and without your xp disk.
  12. aldan said:
    i got one more idea.turn the switch on the back of the psu off.then push and hold the power button for a few seconds. go have a coffee or something and then try turning the computer on.try this both with and without your xp disk.


    No chqange. I think I 2will check the voltages going to the mother board.
    I have an interface for doing that.
  13. hope it works out for you.im all out of ideas,
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