SOURCE: Toshiba Equium M50-192 Blank Screen when Boot
I don't know "where" you worked on it, but I hope you were'nt standing on carpet when you did.If everything is connectrd the way it was, then the only thing I can think of is ESD (ElectroStatic Discharge) damage.
SOURCE: toshiba satellite a135 monitor goes black
You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.
Defective CCFL backlight, it may have the following symptom:
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp
Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.
Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.
SOURCE: Model number for the interior cooling fan, for a toshiba laptop
I have found a link to a web site that sells them but they are dear they have the product code also for your fan so you might get one cheaper on ebay or something.
http://www.notebooksolutions.ca/zc/index.php?main_page=product_info&cPath=66_140&products_id=1250
SOURCE: I droped my satelite M55-S135
Hello
OK, this should be of help.
Have a look through the models listed, it should give you a good overview.
Click HERE.
Kind regards
Andrea
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