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Laptop screen black, works when hooked to TV/ monitor.?

Only displays on monitor if it s plugged in before I power it up.

Tried unplugging and removing battery, hold power button for couple minutes.

Tried the ram boards individually because earlier it wasn t displaying on monitor either.

It s an older Sony Vaio with Windows 7 btw.

3 Answers

Relevance
  • 5 years ago

    I changed in the settings from monitor to screen and the display still doesn't work, now it won't show up on monitor either.

  • TWB
    Lv 7
    5 years ago

    That is normally the back light gone bad. Take a flashlight and hold up to the screen. If you can see the desktop the you have to get a new back light for it.

    Source(s): TWB 35+ years of experience in the service industry. You name it, I have probably fixed it. I did not design it, I did not build it, I did not break it, but I am the one who can fix it. What that means is that I have spent a life time taking these things apart and seeing how they are made. The difficult we do right away, the impossible just takes a little longer. I hear voices, so please be quiet so I can listen to them.
  • 5 years ago

    press and hold the windows logo on your keyboard then press p key keep pressing p until you see the option you want then let go of the windows logo

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