6. Click the
Monitor
tab.
7. Select the correct screen refresh rate.
•
Problem
: Wrong characters are displayed on the screen.
Solution
: Did you follow the correct procedure when installing the operating system or program? If you
did, have the external display serviced.
•
Problem
: The Extend desktop function does not work.
Solution
: Press the display-mode switching key
to select the Extend desktop function.
•
Problem
: If you use the Extend desktop function, you cannot set a higher resolution or higher refresh
rate on the secondary display.
Solution
: Change the resolution and the color depth to lower settings for the primary display.
•
Problem
: Display switching does not work.
Solution
: If you use the Extend desktop function, disable it, and change the display output location. If
a DVD movie or a video clip is playing, stop the playback, close the program, and then change the
display output location.
•
Problem
: The screen position on the external display is incorrect when that monitor is set for a high
resolution.
Solution
: Sometimes, when you use a high resolution such as 1600x1200, the image is shifted to left or
right on the screen. To correct this, first make sure that your external display supports the display mode
(the resolution and the refresh rate) that you have set. If it does not, set a display mode that the monitor
supports. If it does support the display mode you have set, go to the setup menu for the monitor itself
and adjust the settings there. Usually the external display has buttons for access to the setup menu. For
details, see the documentation that comes with the monitor.
•
Problem
: DVI monitor cannot be recognized.
Solution
: Ensure that you connect the DVI monitor to the supported docking station first, and then turn
on the DVI monitor before you turn on the computer.
•
Problem
: The option for enabling the DVI monitor in the Display Properties window is not displayed.
Solution
: Try closing the Display Properties window and open it again. If the option still is not displayed,
make sure that the connector of the DVI monitor is attached firmly, and repeat the procedure for
connecting the monitor.
Audio problems
•
Problem
: Wave or MIDI sound does not play correctly.
Solution
: Make sure that the built-in audio device is configured correctly.
1. Open
Control Panel
.
2. Click
Hardware and Sound
.
3. Click
Device Manager
. If you are prompted for an administrator password or confirmation, type the
password or provide confirmation.
4. Double-click
Sound, video and game controllers
.
5. Make sure that the Realtek HD Audio driver is enabled and configured correctly.
•
Problem
: Sound does not come from a headphone or a speaker, or your computer cannot record sounds.
Solution
: To switch from one device to another (for example, from a speaker to a headphone, or from an
external microphone to a microphone), do the following:
1. Open Control Panel and click
Hardware and Sound
.
2. Click the
Realtek HD Manager
icon.
3. Make sure that you are in MULTI-STREAM mode in the Device advanced settings window.
Troubleshooting computer problems
97
Summary of Contents for ThinkPad X260
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