HP laptop boots up of battery but not mains

  Halmer 08:23 24 Jun 08

Is it normal for my neighbour's HP laptop to boot up off the battery but refuse to do do if the mains adapter is plugged in first.

It will let you plug it in and start charging once you have fully booted but if you plug the mains in first and press the on switch nothing happens.

  crosstrainer 08:25 24 Jun 08

Remove battery and disconnect from mains.

Hold down power key for 30 seconds.

Replace battery.

Replace mains lead.

Try it again.

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