Can't switch to an external monitor

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Hello,

I have a Toshiba Satellite A-105 S-4084. Recently, I got a virus that completely ruined my hard-drive. So, a tech guy cleaned out my hard-drive and reinstalled Windows XP. Everything seems to be working properly, but now I can't switch to an external monitor. I used to be able to hold down Fn and hit F5 to switch, but now it doesn't work. Can anybody help?

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Posts
6428
Registration date
Sunday June 6, 2010
Status
Moderator
Last seen
July 16, 2020

Hello,

Try this 1.

Click on Start ---> Run --> type desk.cpl and click on OK.

"Display Properties" window will be opened.

Click on "Settings" tab ---> Check your display settings.

Check your screen resolution. Move the slider and try changing your screen

resolution ( Ex: 1024X768 ) and check whether the problem still exists or not.