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Toshiba Notebook screen dying

M

marcplante

Senior member
My wife's Toshiba M40 notebook is starting to have display issues.

The screen flickers on occasion, and today it went mostly dead. Kind of like a TV screen that is powered on with the accompanying set top box turned off. There was a little bit of light that indicated there was power, but there didn't appear to be signal. She restarted the computer and got her graphics back.

I can get the detailed specs, though she always seems to be busy with her computer and won't give it up to let me look through the device manager.

I also suspect this failure is not in the details of the hardware.

Toshiba M40 notebook
Intel PM Proc (1.73 Ghz)
Windows XP O/S
15.4" XGA display
Not sure of the graphics accelerator.

I suspect the signal ribbon is failing (?).

The machine is out of warranty. Is this a tough thing to replace? I've built desktop boxes before.

Thanks
 
could be a loose cable. only way is to open it up and take a look inside

just to make sure, hook the laptop to an external monitor to see if its not something else

 
A loose connection could do that - but, that usually results in flickering all off or all on. Sounds more like a failing backlight tube or inverter to me.
 
Just a back light vs the inverter? Would the light fail (fade to almost nothing) then return on a restart. It's almost like a bad ballast on a fluorescent bulb...
 
Yes, . . . it could be either. One of these might help, but not if you can't get accfess to the notebook.

LCD
 
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