LCD-Related Symptom (TP 600/600E

LCD-Related Symptom (TP 600/600E - 2645)

LCD-Related Symptoms

The LCD for the notebook computer contains over 2.359.296 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 missing, discolored, or lighted dots in any background is 21 or more.

Symptom / Error    FRU / Action in Sequence

   No beep, power-on indicator on, 1. System board

   and a blank LCD during POST.

   ° LCD backlight not working, or 1. Reseat the LCD connectors.

   ° LCD too dark 2. LCD assembly

   ° LCD brightness cannot be adjusted, (TFT) 3. System board.

   ° LCD contrast cannot be adjusted, (TFT)

   ° LCD screen unreadable 1. See (above) important note

   ° Characters missing pels     for "LCD Related Symptoms"

   ° Screen abnormal 2. Reseat all LCD connectors.

   ° Wrong color displayed. 3. LCD assembly

4. System Board

   LCD has extra horizontal 1. LCD Assembly

   or vertical lines displayed.

Symptom / Error	FRU / Action in Sequence
No beep, power-on indicator on,	1. System board
and a blank LCD during POST.
° LCD backlight not working, or	1. Reseat the LCD connectors.
° LCD too dark	2. LCD assembly
° LCD brightness cannot be adjusted, (TFT)	3. System board.
° LCD contrast cannot be adjusted, (TFT)
° LCD screen unreadable	1. See (above) important note
° Characters missing pels	for "LCD Related Symptoms"
° Screen abnormal	2. Reseat all LCD connectors.
° Wrong color displayed.	3. LCD assembly
	4. System Board
LCD has extra horizontal	1. LCD Assembly
or vertical lines displayed.

Please see the LEGAL - Trademark notice.
Feel free - send a

for any BUG on this page found - Thank you.