On Thu, Sep 4, 2008 at 11:22 AM, Gus Wirth <[EMAIL PROTECTED]> wrote:
> [EMAIL PROTECTED] wrote:
>> Somehow my kids or someone caused our Thinkpad laptop to now ask for a
>> password
>> on a weird black screen everytime we reboot it.
>>
>> Without this password we can't get into the BIOS or do anything.
>>
>> The guy at the shop said there is nothing we can do about it. I'm wondering
>> if
>> lettting the battery run out will erase it.
>>
>> Anyone ever seen this?
>
> You have to remove the main battery AND the clock battery (which also
> preserves BIOS settings) to force a BIOS reset. You may be lucky and
> have a tiny embedded switch somewhere to do the reset, depends on the
> model of laptop. Getting to the clock battery usually requires
> disassembling the laptop.
At least for the two different Thinkpads that I have had my hands on,
changing the clock battery was only slightly more difficult than
upgrading the RAM. In fact, you just open the door and unplug the RAM
chips and there is the clock battery beneath them. Written from
memory without opening either the computer or its hardware manual.
carl
--
carl lowenstein marine physical lab u.c. san diego
[EMAIL PROTECTED]
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