Samsung SyncMaster 400P User Manual page 153

Maintenance and Cleaning
1) Maintaining the LCD Display Case.
Clean with a soft cloth after disconnecting the power cord.
2) Maintaining the Flat Panel Display Screen.
Clean with a soft cloth (cotton flannel) smoothly.
Symptoms and Recommended Actions
Note
• A LCD Display recreates visual signals received from the computer. Therefore, if there is a problem
with the computer or the video card, this can cause the LCD Display to become blank, have poor
coloring, become noisy, and video mode not supported, etc. In this case, first check the source of
the problem, and then contact a
1) Check if the power cord and the video cables are properly connected to the computer.
2) Check if the computer beeps more than 3 times when booting.
(If it does, request an a service for the main board of the computer.)
3) If you installed a new video card or if you assembled the PC, check if you installed the Adaptor
(video).
4) Check if the scanning ratio of the video screen is set to between 50 Hz ~ 85 Hz.
(Do not exceed 60Hz when using the maximum resolution.)
5) If you have problems in installing the Adaptor (video) driver, boot the computer in Safe Mode,
remove the Display Adaptor in the "Control Panel, System, Device Administrator" and then reboot the
computer to reinstall the Adaptor (video) driver.
Note
• The following table lists possible problems and their solutions. Before calling for assistance, check
the information in this section to see if you can remedy any problems for yourself. If you do need
assistance, please call the phone number on the Information section or contact your
Problems related to the Installation (PC Mode)
Note
• Problems related to the LCD Display installation and their solutions are listed.
Problems
The LCD Display screen
flickers.
• Do not use benzene, thinner or other flammable substances, or
a wet cloth.
• We recommend that a Samsung cleansing agent is used to
prevent damage to the screen.
• Never use acetone, benzene or thinner.
(They may cause flaws or deformation of the screen surface.)
• The user will be required to pay costs and related expenses for
repairing damages caused.
Service Center or your dealer.
Solutions
Check if the signal cable between the computer and the
LCD Display is securely connected.
(Refer to Connecting to a
Check List
dealer.
Computer)