FW: [Thinkpad] Thinkpad 770 repair story

Greetings:

Replacing the CMOS battery is always a good first step which, in this case,
I did perform (with no difference in behavior) BEFORE the 'teardown'
resolution.

Sorry for any confusion about this in my original message.

Regards:

-----Original Message-----
From: thinkpad-bounces@stderr.org [mailto:thinkpad-bounces@stderr.org]
On Behalf Of Bruce Markowitz
Sent: Thursday, May 20, 2004 1:38 PM
To: andre@synchronicity.com; thinkpad@stderr.org
Subject: Re: [Thinkpad] Thinkpad 770 repair story

The main thing you did was replace the CMOS battery.
----- Original Message -----
From: "Andre' Blanchard" <amblan57@bellatlantic.net>
To: <thinkpad@stderr.org>
Sent: Thursday, May 20, 2004 1:07 PM
Subject: [Thinkpad] Thinkpad 770 repair story

> Greetings:
>
> No questions here. Just some 'words of wisdom' (pardon my embellishment).
>
> At a recent electronics flea market, I was able to purchase for $20 a
> complete thinkpad 770 with the following notation from the seller: it does
> not turn on anymore, there may be something loose.
>
> With this initial investment, the IBM TP 770 HRM and two hours of my time,
I
> was able to 'resurrect' this machine.
>
> Since the main focus of this communication is to associate symptoms with
> remedy, here is my 'analysis'
>
> symptom: No boot, speaker and battery icon output on mini lcd display, no
> led activity from internal CDROM.
>
> remedy - complete teardown (disassembly) of the lower chassis with the
> direction to reseat any board and connector. While I was at it, I
replaced
> the lithium battery. The result of this 'work' was a working machine
albeit
> there was no output to the LCD screen, which leads me to:
>
> symptom: Normal boot (as verified by external display output) LCD displays
> bright white light but no character output.
>
> remedy: disassembly of LCD housing (easy with the activity from first
step),
> removal of four LCD to housing support screws in order to expose the back
of
> LCD. Visual examination indicated that the connector was not properly
> seated; i.e. the gap between the mated pairs of the connector was at an
> angle. Reseated, re-assembled and voila! No white screen and character
> output.
>
> Given the plethora of fingerprints on the aluminum chassis of the lower
> assembly, I suspect the state of this laptop was the result of a failed
> 'repair job'.
>
> Anyways: FWIW.
>
> ---
> Mens nobilis regnum possidet.
>
>
>
>

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