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Problem for Toshiba Satellite A105-S4004 (032017542365) PC Notebook
Laptop lcd no-display problem
Best Solution
posted on Feb 04, 2008
Need more information:
What Brand? Dell/Toshiba/Compaq
What Model Number?
Do the lights come on? BATT / Power / HD?
Does it work when conntected to a monitor?
1st thing, Connect to an external monitor and turn on. If it displays a picture, It may be the LCD is defective - see below.
=======================================
If you see TEXT or Windows but the screen is not lighting up. Typically it is the backlight tube.
If you see NO TEXT or WINDOWS.
Then it is usually the INVERTER, or the Cable has separated on the back of the LCD, or the cable connector to the mother board is loose.
Before pressing the motherboard connector down, look inside the jack, and see if any pins are bent (on the motherboard end).
If neither of those, it may be the video output/driver chip on the mainboard, meaning it will have to be replaced.
Hope that helps
What Brand? Dell/Toshiba/Compaq
What Model Number?
Do the lights come on? BATT / Power / HD?
Does it work when conntected to a monitor?
Comments:
Feb 22, 2008
- No display could mean several things.1st thing, Connect to an external monitor and turn on. If it displays a picture, It may be the LCD is defective - see below.
=======================================
If you see TEXT or Windows but the screen is not lighting up. Typically it is the backlight tube.
If you see NO TEXT or WINDOWS.
Then it is usually the INVERTER, or the Cable has separated on the back of the LCD, or the cable connector to the mother board is loose.
Before pressing the motherboard connector down, look inside the jack, and see if any pins are bent (on the motherboard end).
If neither of those, it may be the video output/driver chip on the mainboard, meaning it will have to be replaced.
Hope that helps
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