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When I open my laptop and switch on nothing appears on the screen ( stays blank ).

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  • chrisg62 Jul 17, 2008

    It is fully charged. This happens when plugged into the mains. The LED's are flashing so there is power there but nothing on screen.

  • chrisg62 Jul 17, 2008

    TOSHIBA SATELLITE L40 18Z LAPTOP

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  • 115 Answers

Make sure it is fully charged

Posted on Jul 17, 2008

  • Folusho Adeyanju
    Folusho Adeyanju Jul 17, 2008

    what is the make and model of your laptop?

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Screen turns blank all of sudden and works normal after switching of the system for 1 hr or so.


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:
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  • Picture flickering on and off.
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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.
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Laptop screen is totally blank as a duster with magnet was used to wipe the screen by erros


It is highly unlikely that using the magnetic duster could damage a LCD screen except putting scratches on the surface of the screen. There is nothing in a LCD screen that can be affected by a magnet. A magnet will affect a CRT monitor because a magnetic field will affect/deflect the electronic beams that hit the color phoaphorus dots on the screen.

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.

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Jo

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Thank You and have a Great Day!!!!!

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