Notebook Screen Blackout

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adian

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Nov 19, 2004
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A friend of mine has an older Toshiba Satellite - I'm not sure of the model. Every now and then she'll go to turn it on and the screen will remain black, though if I look close enough I can still see the information on it. Usually she can turn it off, remove the battery, wait a few moments, put the battery back in, and it will work fine, but it's started happening more and more.

I know it isn't something with her video card because if she hooks her monitor into it, even while dark, the monitor comes on just fine.

I think the problem has to do with the...side lighting? I'm still not entirely familiar with how LCD monitors work. Anyway, I doubt there's anything I could do but tell her to take it somewhere for repairs, but I wanted to make sure first - especially if it's going to cost a bit. Is there a bulb, tube, or wire ot something that could be loose? I'm just looking for ideas.

Any help would be appreciated, even if it's just confirmation about what I think is wrong.

- Pat
 
Joined
Jul 7, 2004
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7,235
Sounds like a backlight issue. There is a small light that runs the length of the LCD along the bottom that lights up the LCD pixels from the back. (Thus the term backlight) if you see the words faintly when you turn it on this is a classic symptom of the backlight failing to turn on. This can usually be rapaired with a 30$ part but may cost some $ in labor as I would have a professional to change it out.

I am assuming if you hook the laptop up to an external monitor when its dim you see the screen 100% correct on the monitor?
 

adian

Thread Starter
Joined
Nov 19, 2004
Messages
34
Ah, okay. For some reason I thought the lights were along the sides.

Yes, the external monitor comes up perfectly.

- Pat
 
Joined
Jul 7, 2004
Messages
7,235
Nope usually its a single thin light running the width of the LCD not much wider than a pencil tip and very delicate.

I am sure somewhere there may be one with them along the sides but I have only seen 3 LCD's opened up before to know they have all been a single light along the bottom.

Take it to a shop to repair it the backlight or get a whole new LCD and replace it but new LCD's cost 150$+ for laptops and backlights usually in the 30$ range. Just a little harder to find people who fix backlights vrs LCD replacements.
 

adian

Thread Starter
Joined
Nov 19, 2004
Messages
34
Cool, learn something new all the time. ;P

I'll look around and see if I can find somewhere that will replace the backlight, thanks a lot for the help.

- Pat
 
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