Having problems with your Toshiba Satellite A135-S4527 Notebook ?

Data Shows up only on External Monitor, not on Laptop Screen

\015 Laptop screen is completely black, nothing shows up on it. Can use the computer but only with an external monitor hooked up. I have used dual displays in the past with this machine no problem. I am attempting to fix it through changing settings in the Display control panel. Cannot get the images to extend onto the laptop screen. Can check the boxes to make laptop screen active and primary, but this does nothing. Slider bar to change resolution of the laptop screen is locked, it won't let me adjust it(resolution is stuck at 800 x600). Can change resolution of external monitor fine. I tried pressing function + f4 but still nothing shows up on laptop screen. I am afraid toshut down or reboot. What if it end up not even working on the external monitor when I start it up? I feel like there is a solution to this that I am missing.\015\012\015\012My Toshiba satellite screen only comes on for a second or so and goes black. By pressing the lid close button I can see the backlight come on. External monitor working but when i use dual output then notebook screen flickers on for a second. Changed close lid to do nothing. no help.\015

Answers :

If your system won't display anything w/o the external monitor. there's something wrong with the LCD's backlight. you may have to contact your laptop's manufacturer and check if this laptop is still under warranty. you may have to get the lcd replaced.
\015\012
\015\012thanks.
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