Changing screen resolution is important in Windows 8. Higher resolutions let you see more tiles on the Start Screen, but lower resolution will let you see text better. Connecting an external monitor or TV means you’re going to want to tweak resolution as well as which screen has which desktop.
You can get to the Screen Resolution window from the desktop.
You can also get there from the Control Panel. Once at the Control Panel, under Appearance and Personlization, click Adjust Screen Resolution.
If you’ve only got one monitor, you can’t do much more than adjust resolution. The “Recommended” setting is ideal for seeing everything on the Start Screen, but if you have trouble reading the text, then a lower setting might be wiser.
If you’ve got two monitors, or a laptop screen and an external monitor, you can choose to only show the display on the primary monitor, duplicate the display on both screens (with both screens having the max resolution of your monitor), or turn off the secondary monitor.
Note that the primary screen displays the Start Screen by default and the secondary screen displays the Desktop. This can’t be changed.
I have the laptop’s lid closed and the display on the external monitor only, but you’ll need to adjust the Power Settings to be sure your laptop doesn’t go to sleep when you close the lid.
To be sure your laptop stays on when the lid is closed:
It’s always good to know how to change the resolution of your PC whenever you need to.
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