User's Manual

CHAPTER 5. TROUBLESHOOTING
36
① Right-click on the desktop and select Personalize from the popup
menu.
② Click Display Settings and check whether the screen resolution
and color quality are correctly set.
③ Click the Advanced Settings button.
④ Click the Adapter tab.
⑤ Make sure that the correct device driver name is shown in the
adapter information window.
NOTE:
The device driver name depends on the video chip that has been installed
on your computer.
⑥ Click the Properties button. If you are prompted for an
administrator password or confirmation, enter the password or
provide confirmation. Check the “Device status” box and make
sure the device is working properly. If not, click the Troubleshoot
button.
⑦ Click the Monitor tab.
⑧ Make sure the information is correct.
⑨ Click the Properties button or the Troubleshoot button.
Incorrect characters appear on the screen.
Did you install the operating system or application program correctly? If they
are installed and configured correctly, have the computer serviced.
Missing, discolored, or bright dots appear on the screen every time
you turn on your computer.
This is an intrinsic characteristic of the TFT technology. Your computer’s
display contains multiple thin-film transistors (TFTs). A small number of
missing, discolored, or bright dots on the screen might exist all the time.
Sound Problems
No sound can be heard from the speaker even when the volume is