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Laptop Screen won't Come On. What could the Problem Be?


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#1 F-1DeskLamp

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Posted 13 January 2018 - 07:25 PM

It's a Sony Vaio C240E.  I just put in a new CPU, new RAM, new battery.  I figured that would make an operational machine, but so far the machine runs all but the blank screen.  

 

What do you think the problem is?


 



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#2 OldPhil

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Posted 13 January 2018 - 07:59 PM

Assuming all connections are good there is a possibility of a compatibility issue or defective part. 

 

Phil


Edited by OldPhil, 13 January 2018 - 08:00 PM.

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#3 pcpunk

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Posted 13 January 2018 - 08:58 PM

It's a Sony Vaio C240E.  I just put in a new CPU, new RAM, new battery.  I figured that would make an operational machine, but so far the machine runs all but the blank screen.  

 

What do you think the problem is?

Are you saying the screen worked before all the upgrades?

Of course there is a chance you disturbed, damaged or disconnected one of the display wires?  Not hard to do it not familiar with tearing down laptops.

 

I would have Upgraded one component at a time if it were me.

 

What CPU did you start with and which one did you upgrade too?


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