Lenovo ThinkPad T530 (English) User Guide - Page 161

External monitor problems, Monitor, Properties, Device status, Troubleshoot, Problem, Solution

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8. Click the Monitor tab. Check whether the color quality is correctly set, and make sure that the other information also is correct. 9. Click the Properties button. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Check the Device status box and make sure that the device is working correctly. If not, click the Troubleshoot button and follow the instructions on the screen. • Problem: Incorrect characters are displayed on the screen. Solution: Did you install the operating system or application program correctly? If they are installed and configured correctly, have the computer serviced. • Problem: The screen stays on even after you turn off your computer. Solution: Press and hold the power button for four seconds or more to turn off your computer; then turn it on again. • Problem: Missing, discolored, or bright dots appear on the screen every time you turn on your computer. Solution: This is an intrinsic characteristic of the TFT technology. Your computer display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. External monitor problems • Problem: The external monitor is blank. Solution: To bring up the image, press Fn+F7 and select the desired monitor. If the problem persists, do the following: 1. Connect the external monitor to another computer to make sure that it works. 2. Reconnect the external monitor to your computer. 3. Refer to the manual shipped with the external monitor to check the resolutions and refresh rates that are supported. - If the external monitor supports the same resolution as the computer display or a higher resolution, view output on the external monitor or on both the external monitor and the computer display. - If the external monitor supports a lower resolution than the computer display, view output on the external monitor only. (If you view output on both the computer display and the external monitor, the external monitor screen will be blank or distorted.) • Problem: You cannot set a higher resolution than the present one on your external monitor. Solution: Make sure that the monitor type and other information is correct. If necessary, update the monitor driver. See "Setting the external monitor type" on page 38. • Problem: The screen is unreadable or distorted. Solution: Make sure 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 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. Click Advanced Settings. 6. Click the Monitor tab. Chapter 10. Troubleshooting computer problems 143

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8. Click the
Monitor
tab. Check whether the color quality is correctly set, and make sure that the other
information also is correct.
9. Click the
Properties
button. If you are prompted for an administrator password or confirmation, type
the password or provide confirmation. Check the
Device status
box and make sure that the device
is working correctly. If not, click the
Troubleshoot
button and follow the instructions on the screen.
•
Problem
: Incorrect characters are displayed on the screen.
Solution
: Did you install the operating system or application program correctly? If they are installed and
configured correctly, have the computer serviced.
•
Problem
: The screen stays on even after you turn off your computer.
Solution
: Press and hold the power button for four seconds or more to turn off your computer; then
turn it on again.
•
Problem
: Missing, discolored, or bright dots appear on the screen every time you turn on your computer.
Solution
: This is an intrinsic characteristic of the TFT technology. Your computer display contains
multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen
might exist all the time.
External monitor problems
•
Problem
: The external monitor is blank.
Solution
: To bring up the image, press Fn+F7 and select the desired monitor. If the problem persists,
do the following:
1. Connect the external monitor to another computer to make sure that it works.
2. Reconnect the external monitor to your computer.
3. Refer to the manual shipped with the external monitor to check the resolutions and refresh rates that
are supported.
–
If the external monitor supports the same resolution as the computer display or a higher resolution,
view output on the external monitor or on both the external monitor and the computer display.
–
If the external monitor supports a lower resolution than the computer display, view output on the
external monitor only. (If you view output on both the computer display and the external monitor,
the external monitor screen will be blank or distorted.)
•
Problem
: You cannot set a higher resolution than the present one on your external monitor.
Solution
: Make sure that the monitor type and other information is correct. If necessary, update the
monitor driver. See “Setting the external monitor type” on page 38.
•
Problem
: The screen is unreadable or distorted.
Solution
: Make sure 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 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. Click
Advanced Settings
.
6. Click the
Monitor
tab.
Chapter 10
.
Troubleshooting computer problems
143