Question about Dell Latitude E5400 Laptop

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My screen goes dark when I use my laptop. I have a docking station with monitor and the machine works fine. However when I undock or start up with just the laptop the screen goes black. I can still see shadows, but you can't see the screen.

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Hi wilhejl,

I see that you are experiencing a video issue with you back light on this case,
you mentioned when docked on your docking station you see the video on you monitor but when undocked you get a black LCD screen and see shadows of what is on the LCD screen.

this is a back light issue that you are experiencing.

We can try and check some settings regarding this concern and se if there is anything we can do to correct what you are experiencing with your laptop

As soon as you turn your Laptop on keep on tapping F1 to will bring you to the BIOS screen if the BIOS shows up on you LCD screen without going black then most probably yo may need to change some settings in windows regarding the the LCD and power options.

  • Try docking back into your docking station and inside windows go to power options, and set your system power options to balanced.
  • On your Desktop right click anywhere on an open space to get the menu list click on personalize then click on display then click on advance settings, look for screen refresh rate change it to 59Hrtz then undock from your docking station and try booting into windows without using the docking station to check if the video will show on the LCD again on this issue.
I hope that this can help regarding your case,

Have a nice day.

Posted on Apr 08, 2011

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Posted on Jan 02, 2017

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