LCD-related Symptoms (TP 570 - 2644)

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 Email-NOTE  for any BUG on this page found - Thank you.