Lenovo ThinkPad L450, User Manual

Page: 117 / 186

2. Turn on the external monitor and the computer.
3. Right-click on the desktop, and do one of the following:
– For Windows 7 and Windows 8.1: Click Screen resolution .
– For Windows 10: Click Display settings , show the displayed window in full screen, and then
click Advanced display settings .
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. Do one of the following:
– For Windows 7 and Windows 8.1: Click Advanced settings .
– For Windows 10: Click Display adapter properties .
6. 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.
7. If more than one monitor type is displayed, select Generic PnP Monitor or Generic Non-PnP
Monitor .
8. Click Properties . If you are prompted for an administrator password or confirmation, type the
password or provide confirmation.
9. Click the Driver tab.
10. Click Update Driver .
11. Click Browse my computer for driver software , and then click Let me pick from a list of
device drivers on my computer .
12. Clear the Show compatible hardware check box.
13. Select your monitor manufacturer and model.
14. After updating the driver, click Close .
15. Set Resolution .
Note: To change the color settings, select the Monitor tab, then set Colors .
16. Click OK .
• Problem : The screen is unreadable or distorted.
Solution : Ensure that:
– The monitor information is correct and the appropriate monitor type is selected. Refer to the solution
to the above problem.
– Make sure that an appropriate refresh rate is selected by doing 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 and the computer.
3. Right-click on the desktop, and do one of the following:
– For Windows 7 and Windows 8.1: Click Screen resolution .
– For Windows 10: Click Display settings , show the displayed window in full screen, and then
click Advanced display settings .
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. Do one of the following:
Chapter 8
.
Troubleshooting computer problems
101