LCD-Related Symptoms (2625 365X, XD

^{IBM-AUSTRIA - PC-HW-Support 30 Aug 1999}

LCD-Related Symptoms (2625 365X, XD - 2635 380-385)

LCD-Related Symptoms

The TFT LCD on some models of this computer contains over 1.440.000 if TP-2625 or if TP-2635 = 921.000 thin-film transistors (TFTs).
A small number of missing, discolored, or lighted dots (on all the time) is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns.
The LCD should be replaced if the number of dots satisfies the following condition:
The number of missing, discolored, or lighted dots in any background is 21 or more.

For M/T-2635 see LCD Pixel Policy Change

Symptom / Error	FRU / Action in Sequence

No beep, power-on indicator on,	1. System Board
and a blank LCD during POST.	2. TP-2625 - CPU Card, or TP-2635 - Subcard

° LCD backlight not working, or	1. Reseat the LCD connectors.
° LCD too dark, or	2. LCD Assembly
° LCD brightness cannot be adjusted, or
° LCD contrast cannot be adjusted.
° LCD screen unreadable, or	1. See (above) important note
° Characters missing pels, or	for "LCD Related Symptoms"
° Screen abnormal, or	2. Reseat all LCD connectors.
° Wrong color displayed.	3. LCD Assembly
	4. System Board

LCD has extra horizontal	LCD Assembly
or vertical lines displayed.

More INFORMATION / HELP is available at the IBM-HelpCenter

Please see the LEGAL - Trademark notice.
Feel free - send a for any BUG on this page found - Thank you.