General Question

beachwriter's avatar

I have an external monitor hooked up to my laptop. How do I get the laptop monitor to turn off while keeping the desktop monitor on?

Asked by beachwriter (361points) September 3rd, 2009

Thanks to advice from Fluther, I’m all set with the external monitor. Yay. Now I’m thinking I should turn off the display on the laptop to avoid overheating and to conserve energy. I tried “display options” (from desktop, running Vista) but couldn’t see where to change it. Advice welcome! Thanks in advance.

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4 Answers

se_ven's avatar

Often times your computer might have a presentation mode, depending on manufacturer. I don’t do this all that often so I take the manual route…

This is how I display from an external monitor and turn my laptop monitor off usually (Vista):
– Right Click on Desktop
– Select Personalize
– Select Display Settings
– Select the Number 2 Screen
– Select the Extend the desktop onto this monitor
– Select the This is my main monitor
– Select the Number 1 Screen
– Unselect the Extend the desktop onto this monitor
– Select OK

This will display your desktop onto the external monitor and not your laptop (turn your laptop monitor off). To get back to normal reverse the steps for Screen 1 and 2. I haven’t really taken the time to figure out how to do this easier, but this way will work.

se_ven's avatar

Like I previously mentioned Laptop Manufactures often have a Shortcut key to do this.

I have a Lenovo T61 and I can access their custom settings by selecting the Fn and F7 keys. A dialog box then comes up where I can choose from a few standard or customized scenarios.

limeaide's avatar

On Dell PCs there is a Fn (Function) button push it the same time as F8 (or whatever button says CRT/LCD or has a picture of a monitor or two on it.

OreetCocker's avatar

Look at ur f keys, whichever has a monitor on, usually f4 in the Uk, hold fn and tap until you have achieved the desired effect.

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