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Re: Power-on Password

  • Subject: Re: Power-on Password
  • From: Roy Schestowitz <newsgroups@schestowitz.com>
  • Date: Tue, 05 Jul 2005 03:47:10 +0100
  • Newsgroups: uk.comp.misc
  • Organization: schestowitz.com / Manchester University
  • References: <e5ifc1lq1lu2qbjfna8ca8vea8knkfjan8@4ax.com> <slrndcflk4.1ao.spam@neutron.nukesoft.co.uk>
  • Reply-to: newsgroups@schestowitz.com
  • User-agent: KNode/0.7.2
Marcus Houlden wrote:

> On Sun, 03 Jul 2005 12:15:57 +0100, Cheeky <me@privacy.net>
> wrote the following to uk.comp.misc:
>> A mate of mine has kindly given me a laptop that's surplus to his
>> requirements (Compaq Evo N600c). Unfortunately he's forgotten the
>> power-on password.
>> Does anyone know if it's possible to reset it?
> Yes. There's a service manual at
> which gives the following instructions:
> 1. Remove the main battery and the AC adaptor
> 2. Remove the backup battery (under the memory expansion slot; it's
> probably a disk a bit bigger than a 10p)
> 3. Leave the machine for 5 minutes
> 4. Replace the backup battery
> 5. Reconnect the AC adaptor. Do *not* replace the main battery just yet
> The password will be cleared, and so will the BIOS settings. If you can,
> go into the BIOS before you start and write down the settings

I did this a few months ago and got told off for removing the batteries and
jeopardising the board. Apparently you should have a jumper, which took me
a while to find. Just take off the little plastic piece to remove password
protection altogether.


Roy S. Schestowitz

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