Samsung SyncMaster 150MP PLUS User Manual page 12

Troubleshooting
Dot Acceptable
TFT LCD panel manufactured by using advanced semiconductor technology with precision of 99.999%
above is used for this product. But the pixels of RED, GREEN, BLUE and WHITE color seem to be bright
sometimes or some of black pixels could be seen. This is not from bad quality and you can use it without
uneasiness.
The number of TFT LCD pixels : -15 inch: 2,359,296
-17 inch: 3,932,160
Maintenance and Cleaning
1. Maintaining the Monitor Case
Clean with a soft cloth after disconnecting the power cord.
- Do not use benzene, thinner or other flammable substances, or a wet cloth.
- We recommend a Samsung cleansing agent is used to prevent damage to the screen.
2. Maintaining the Flat Panel Display Screen
Clean with a soft cloth (cotton flannel) smoothly.
- 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 repair of damages caused by
him/her.
Symptoms and Recommended Actions
A monitor recreates visual signals received from the PC.
Therefore, if there is trouble with the PC or the video card, this can cause the monitor to become blank,
have poor coloring, noise, Video mode not supported, etc. In this case, first check the source of the
problem, and then contact a service center or your dealer.
1. Check if the power cord and the cable are properly connected to the computer.
2. Check if the computer beeps more than 3 times when booting.
(If it does, request an after-service for the main board of the computer.)
3. If you installed a new video card or if you assembled the PC, check if the installed the adapter
(video) driver and the monitor driver.
4. Check if the scanning ratio of the video screen is set at 75Hz.
(Do not exceed 60Hz when using the maximum resolution.)
5. If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode,
remove the Display Adapter at the "Control Panel, System, Device Administrator" and then
reboot the computer to reinstall the adapter (video) driver.
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Troubleshooting
Problems related to Installation
Problems related to the monitor installation and their solutions are listed.
Problems
It appears the PC does not Check if the Display Adapter Driver (VGA Driver) is properly
function normally. installed.
The monitor screen flickers. Check if the signal cable between the computer and the
monitor is securely connected and tightened.
TV screen is blurred or shows Check if the TV antenna connector is securely connected to
noise signals. the external antenna.
TV signal is not received Check "Channel system" and make sure you choose the
correct channel system.
Select "Channel auto program" to configure the channel
system automatically.
Problems related to Audio
Problems related to audio signals and their solutions are listed below.
Problems
No sound. Ensure that the audio cable is firmly connected to both the
audio-in port on your monitor and the audio-out port on your
sound card.
Check the volume level.
Sound level is too low. Check the volume level.
If the volume is still too low after turning the control to its maximum,
check the volume control on the computer sound card or software
program.
Sound is too high pitched or too Adjust the Treble and Bass to appropriate level.
low pitched.
Problems related to Remote Control
Problems related to the monitor installation and their solutions are listed.
Problems
The remote control buttons do Check the battery polarities (+/-).
not respond. Check if the batteries have been exhausted.
Check if the power is on.
Check if the power cord is securely connected.
Check if a special fluorescent or neon lamp is on in the vicinity.
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Solution
Solution
Items to check