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.  

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