Try reseating the CPU. Sometimes it is a cure.
----- Original Message -----
From: "Richard Dixon" <richard.dixon@erudite.co.uk>
To: <thinkpad@stderr.org>; <scosgt@worldnet.att.net>
Cc: <richard.dixon@unn.ac.uk>
Sent: Saturday, June 12, 2004 7:29 PM
Subject: [Thinkpad] T21 not booting
> Hi
>
> I wonder if you could help me. I have 2 IBM T21 laptops recently bought
on
> Ebay and initially working fine - they are just over 3 years old and the
> warrenty has just expired.
>
> A few days ago when I went to switch on one unit in the morning it failed
to
> boot. This was despite it working fine the night before when I briefly
run
> it on the very low capacity battery.
>
> The unit now shows a blank screen on power up. The hard disk is spinning,
> the processor fan blowing but nothing on the screen - not even the initial
> IBM thinkpad logo appears (yes I have plugged an external CRT in just in
> case).
>
> The machine is clearly not booting. It makes no bleeps or anything. I
guess
> the keyboard is not installed as a device as the little led light above
the
> screen no longer functions. Having the other unit has enabled me to check
> the HDD etc and see they are ok. I have even swapped over the CMOS
battery.
> Plugging in a FDD or CD in the ultrabay is no use as the drive is not read
> (I can hear a floppy disk getting its shield retracted but it is not
read).
>
> So it would appear the BIOS is u/s. Is this a replaceable component -
where
> is it on the system board?
>
> Any help anyone can offer would be hugely appreciated.
>
> Thanks
>
> Richard Dixon
> Northumbria University
> Newcastle upon Tyne, UK.
>
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Received on Sat Jun 12 20:17:26 2004
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