hp nc 6400 does not power up
Posted 26 May 2011 - 06:33 AM
Posted 26 May 2011 - 11:37 AM
an incorrect connection, a short circuit or if using the same processor in
the replacement MB a dead CPU.
Have you tried removing the battery and running direct from the AC adapter?
Also try removing the Ram and powering up, any change.
Possibly, dependent on what the answer is to the 1st question!
could it be the bios battery gone bad?
Posted 26 May 2011 - 12:26 PM
Posted 26 May 2011 - 12:45 PM
Depends, it may be the CPU shorting out.
should it show any sign of life without a cpu at all?
Try removing the MB from the chassis and powering up using only
the AC adapter, do not connect anything else to the MB, let us
know the outcome.
Posted 20 July 2011 - 12:14 PM
Posted 11 December 2011 - 11:56 AM
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