Laptop Screen goes blank when undocking

I have a user whom has a prblem with her laptop, everytime she undocks it the screen goes blank (I suspect she must have a external monitor connected to the docking station), there is still power to the laptop and the FN + F5 key does not fix the problem.

Any ideas what else might be causing this

Thanks in advance,

Craig PaulsenSystems EngineerAsked:
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dreamcomputer2000Connect With a Mentor Commented:
Update the BIOS and video drivers.
it looks like the socking station is overriding the display settings to disable the laptop display and show the desktop display, but it isnt restoring the laptop display when its removed, try playing with the dock settings if there is software with it otherwise try removing the dock by clicking on the safetly remove hardware icon in the taskbar (near the clock)
Are the latest drivers for the graphics card installed?
Is there a newer BIOS update available?
sorry, took that long before clicking submit since started typing,  agree with above :)
Craig PaulsenSystems EngineerAuthor Commented:
thanks, I managed to find a setting in the graphic utility installed on the laptop, think it was set to single display only, I set it to clone and this allowed the laptop screen to stay on when undocking, next option was probably BIOS and video driver update
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