Acer Aspire Z5801 - Manual (Page 16)

Setting up your computer 6
Englis
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Setting up displays
• Right-click on the desktop and choose Screen resolution.
• Choose the monitor that you want to set as the primary
monitor and check Make this my main display, then press
Apply and OK to change the setting.
• If you want to extend your desktop to the second monitor,
select the secondary monitor, then set it to Extend or Clone,
and apply your change.