LCD-related Symptoms
-Important- The TFT LCD for the
notebook computer contains over 2,359,000 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 missing, discolored, or lighted dots
in any background is 8 or more.
Symptom / error
FRU / action in sequence
No beep, power-on indicator
1. System board
on, and a blank LCD during POST.
° LCD backlight not working.
1. Reseat the LCD connectors.
° LCD too dark.
2. LCD assembly
° LCD brightness cannot
3. System board
be adjusted.
° LCD contrast cannot
be adjusted.
° LCD screen unreadable.
1. See (above) important note for 'LCD-related symptoms.'
° Characters missing pels.
2. Reseat all LCD connectors.
° Screen abnormal.
3. LCD assembly
° Wrong color displayed.
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.