Solved Black screen on toshiba satellite laptop. No bios

January 20, 2016 at 03:09:59
Specs: Windows 7
I powered on my toshiba satellite L640-X4310 (4.5 yrs old) and the power light comes on, the hard drive light flashes,CDrom initialized, Fan running, but the screen never changes from black. I have tried connecting LED TV via HDMI cable but no luck. I have tried powering the laptop on battery, and connected to AC with& without battery, but display still does not change from black screen.
Also Tried Generic Reset a laptop (http://www.cnet.com/forums/discussions/welcome-to-the-laptop-forum-at-cnet-352085/).
I can't figure out whether the problem is with MB or something else.

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#1
January 20, 2016 at 15:30:30
✔ Best Answer
"I can't figure out whether the problem is with MB or something else"
Very hard with limited access.

See if any of these help.

7 Freeware to fix Unbootable Microsoft Windows XP,7,8 and 10 - Remove Boot Virus from Startup
http://www.geckoandfly.com/2682/fix...

How to troubleshoot and fix laptop video problems
http://www.laptoprepair101.com/lapt...
Troubleshooting laptop with backlight failure
http://www.laptoprepair101.com/lapt...
Toshiba Laptop Screen Repair - Illustrated how to replace a laptop backlight and inverter
http://www.fonerbooks.com/laptop_5.htm
How to Replace Your Laptop's Backlight
http://www.instructables.com/id/How...

No power-on self test (POST) screen.
http://www.tomshardware.com/forum/2...
http://www.tomshardware.com/forum/3...
http://pcsupport.about.com/od/findb...


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