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screen gone blank after reassemble

so yesterday i reassemble my laptop to clean my fan...and i reassemble it again but when i'm turn it on the screen won't show (blank) but i can hear the fan is running...i thought that maybe i forget to connect or put something...please help me fix and sorry for bad english

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Hi,

Try connecting an external monitor and see what it shows.

If it shows a display, hold a torch at an angle close to the screen of the laptop and see if you can detect the Windows desktop. If you can you have a backlighting problem. If nothing shows you have either a faulty video cable, faulty video cable connections at either end or a faulty screen.

If there is no display on the external monitor you have a GPU or motherboard problem

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En Yararlı Yanıt

Hi Jose,

It looks like we don't have your exact laptop on our website yet, but we do have lots of other Toshiba Satellites that could have some useful information, located here:

Toshiba Satellite Repair

For example, perhaps this Toshiba Satellite L45-S7423 LCD Display Replacement may be a good reference to see if you forgot to reattach any connectors.

I wish I could help more. Good luck!

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