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Note: If your computer cannot detect the external monitor, right-click on the desktop, then select Screen
resolution. Click the Detect button.
Setting the monitor types
To set your monitor type, do the following:
1. Connect the external monitor to the monitor connector, and then connect the monitor to an electrical
outlet.
2. Turn on the external monitor.
3. Right-click on the desktop, and click Screen resolution.
Note: If your computer cannot detect the external monitor, click the Detect button.
4. Click the icon for the desired monitor (the Monitor-2 icon is for the external monitor).
5. Set Resolution.
6. Click Advanced Settings.
7. Click the Monitor tab. Check the monitor information window to make sure that the monitor type is
correct. If it is, click OK to close the window; otherwise do the following:
8. If more than two monitor types are displayed, select Generic PnP Monitor or Generic Non-PnP
Monitor.
9. Click Properties. If you are prompted for an administrator password or conrmation, type the password
or provide conrmation.
10. Click the Driver tab.
11. Click Update Driver.
12. Click Browse my computer for driver software, and then click Let me pick from a list of device
drivers on my computer.
13. Clear the Show compatible hardware check box.
14. Select Manufacturer and Model for your monitor. If you cannot nd your monitor on the list, stop the
installation of this driver and use the driver shipped with your monitor.
15. After updating the driver, click Close.
16. Click OK.
Note: To change the color settings, right-click on the desktop, and click Screen resolution. Click Advanced
Settings, select the Monitor tab, then set Colors.
Considerations for attaching an external monitor
• When installing an operating system, you must install the display driver for your monitor that is supplied
with the computer, and the monitor INF le that is supplied with the external monitor.
• If you set a resolution higher than the resolution you are using on the panel, and use a panel that does not
support that resolution, take advantage of the virtual screen function, which enables you to display only a
part of the high-resolution screen image your computer produces. You can see other parts of the image
by moving the screen with the TrackPoint pointing device or another pointing device.
Note: The virtual screen function is not supported.
• If the external monitor you are using is outdated, the resolution and the refresh rate might be limited.
Using dual displays
This section introduces the Extend desktop function that enables you to display output (the same or different)
on both the computer display and an external monitor.
Chapter 2. Using your computer 43