Lenovo thinkpad L450 User Manual page 117
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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
- Quick Links:
- Plugs and Outlets
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