Question about Toshiba Satellite A45-S150 Notebook
The built-in monitor pannel/screen of my notebook went BLACK all of sudden after 2 years of regular use, and I can't see anything...!
Has anyone ever had the same problem? And any idea about how to fix it?
This is the 2nd notebook I'd experienced the same problem - last one was Sony laptop - and I suppose both Toshiba and Sony got their monitor pannel parts from the same manufacture (in China)!!
Do you have a problem with the backlight on your laptop? If yes, you
are not alone, that’s one of the most common laptop problems. In most
cases the screen inverter is the culprit. Here are some LCD screen backlight failure symptoms that could be related to a bad inverter board:
- Laptop boots as usual but after some time the screen blacks out. You still can see an image on the screen but it’s very dim. You might even use a flashlight to see it better. Sometimes the backlight comes back for a while but then goes off again. In some cases you can turn the backlight on if you tap rapidly on the lid close switch.
- The screen always stay black and the backlight never comes on but you still can make out an image on the LCD. It’s dark, but the image is still there.
-In some cases you might hear a buzzing noise coming from the area where the inverter board is located, it’s on the bottom part of the display assembly.
NOTE: if you cannot see an image on the screen, most likely you have a different problem and there is nothing wrong with the screen inverter.
Posted on Feb 05, 2009
Actually, there's 3 major manufacturers of laptops and parts.
Can you connect to an external monitor and boot the unit up. You may have to toggle (F3 or F5 i think) between on board and external a few times. If you get an image on the external, it's probly the lcd inverter (#1), or the backlight (#2), or the cable is not completely connected to the lcd (#3)
Let me know how the external monitor test works and we'll narrow it down from there.
Posted on Nov 28, 2007
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