Lenovo ThinkPad Edge E420 1141 User Manual page 67

• If the external TFT monitor you connect has an analog interface, flickers or ripples may appear on some
displays, such as the shutdown screen of Windows. This is caused by the external TFT monitor, and
cannot be fixed by adjusting the external TFT monitor or the computer side settings.
Setting the monitor types
To set your monitor type, do as follows:
For Windows 7:
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 as follows.
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 confirmation, type the password
or provide confirmation.
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 find your monitor in 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.
For Windows XP:
1. Connect the external monitor to the monitor connector, and then connect the monitor to an electrical
outlet.
2. Turn on the external monitor and the computer.
3. Press F6 to change the display output location to the external monitor.
4. Right-click on the desktop, and click Properties to open the Display Properties window.
5. Click the Settings tab.
6. Click Advanced.
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 as follows.
8. If more than two monitor types are displayed, select Default Monitor.
9. Click Properties.
10. Click the Driver tab.
.
Chapter 2 Using your computer
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