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Toshiba C655 LCD screen issue

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#1 MAC590


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Posted 20 March 2013 - 11:37 AM

First off I want to say, this is the best place for technical advice I could find and thank everyone for their tutorials and help.


I finally got around to signing up and hope this is the right place to put this. Excuse my grammar as i am just listing briefly to avoid a wall of text.



I have a Toshiba c655-s5142 that came in with a black screen upon boot up.


The power supply charger has dog chew marks in it with exposed wires, I figured this is a cause of the problem, replaced that.


I have a spare power box, Laptop boots and works fine with an external monitor.


Switch back to LCD, holding a flashlight to the screen I can faintly see the Toshiba logo upon boot up.


So basically I just wanted to get advice on my next step. I have replaced screens before but im not sure If I need a whole new screen or just the inverter?




What is my best option? Thanks in advance.



Edited by MAC590, 20 March 2013 - 11:38 AM.

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#2 rotor123


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Posted 20 March 2013 - 12:00 PM

Sorry to say without testing this could be a  Bad Screen and rarely a Bad Video Cable.


The easiest test is substitution.


When I was working last year at a Toshiba ASP we kept spare screen(s) for testing.

If the test screen failed to light we ordered a inverter from the Warehouse, If the screen worked we ordered a replacement screen.


I mentioned the bad video cable. Working at a Lenovo ASP part time I replaced the screen and inverter and no joy until I replaced the Video cable. So I have seen that be the cause, Once.


OK, That screen You linked to is a LED LCD screen. There is no Inverter. However

Warning! Please read this first.
Be careful the connectors on a LED screen are delicate (Flimsy).


Good Luck


Edited by rotor123, 20 March 2013 - 12:04 PM.

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#3 MAC590

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Posted 20 March 2013 - 12:17 PM

Thanks for the reply, Roger.


I will go ahead and order a replacement screen. 

Edited by MAC590, 20 March 2013 - 12:17 PM.

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