Extensa 4420 No Backlight - Acer

Extensa 4420 No Backlight

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Extensa 4420 / 4120 User's Guide EN


Page 52
... and off to save power. See "Acer Empowering Technology" on page 1. Switches display output between the display screen, external monitor (if connected) and both. See "Acer Empowering Technology" on page 1. Turns the display screen backlight off . English 32 Hotkeys The computer employs... hotkeys or key combinations to return. Puts the computer in Acer Empowering Technology. Hotkey Icon + Function Hotkey help...
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TravelMate 4520/4220, Extensa 4420/4120 Service Guide


Page 87
... LCD-CCD cable. Refer to the "Power System Check" section on page 67. Battery pack System board Chapter 4 77 LCD-related Symptoms Symptom/Error LCD backlight doesn't work ). LCD cable Inverter board LCD panel System board Inverter board LCD-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power...

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We have the following 2 documents available for the Acer Extensa 4420:
  • TravelMate 4520/4220, Extensa 4420/4120 Service Guide
  • Extensa 4420 / 4120 User's Guide EN
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