Re: [Thinkpad] Semi-broken A31

When I had an A30p display go dark like that, EasyServ didn't do anything to the LCD or
inverter, but replaced the system board.

Deanna

----- Original Message -----
From: "Fred J. Tydeman" <tydeman@tybor.com>
To: <thinkpad@stderr.org>
Sent: Friday, December 10, 2004 13:34 PM
Subject: [Thinkpad] Semi-broken A31

> I dropped my IBM ThinkPad A31 onto hard concrete. The LCD
> display is unreadable (it is very very dark, but I can see
> a faint image). Also, the PCMCIA card slots no longer work
> (my Cisco wireless card LEDs do not light up, so perhaps,
> no power to the card). With an external monitor and the
> CAT-5 ethernet wire, the machine is usable (or at least
> the parts I care most about).
>
> I downloaded the Hardware Maintenance manual and spent several
> hours slowly and carefully disassembling the laptop (there sure
> are a lot of screws). I reseated all the connectors, and put
> it back together.
>
> Upon first power up, there was a hissing noise from the bottom
> of the display (where the high voltage inverter is) for a second
> or so, but still no backlight on the display. If I played with
> the lid closed switch, I got a faint white light in the bottom
> righthand corner for a second. This experiment stopped working
> after a few times. I assume that the high voltage inverter is
> what provides the backlighting for the LCD display and that
> replacing that part might fix the display.
>
> I have no idea on the PCMCIA slots.
>
> ---
> Fred J. Tydeman Tydeman Consulting
> tydeman@tybor.com Testing, numerics, programming
> +1 (775) 358-9748 Vice-chair of J11 (ANSI "C")
> Sample C99+FPCE tests: http://www.tybor.com
> Savers sleep well, investors eat well, spenders work forever.

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Received on Tue Dec 14 17:46:44 2004