Check List - Samsung SyncMaster 720XT User Manual

Check List

Before calling for service, check the information in this section to see if you can remedy any problems
yourself. If you do need assistance, please call the
Symptom
No images on the Is the power cord
screen. connected properly?
I cannot turn on the
monitor.
Can you see "Check
Signal Cable" on the
screen?
If the power is on,
reboot the computer
to see the initial
screen(the login
screen), which can
be seen.
Can you see "Not
Optimum Mode",
"Recommended
Mode 1280 x 1024
60 Hz" on the
screen?
There is no image on
the screen.
Is the power indicator
phone number on the Information section or contact
your dealer.
Check List
Check the power cord connection and supply.
Check the signal cable connection.
If the initial screen (the login screen) appears, boot the
computer in the applicable mode (the safe mode for
Windows ME/XP/2000) and then change the frequency
of the video card.
(Refer to the
If the initial screen (the login screen) does not appear,
contact the Service Center or your
You can see this message when the signal from the
video card exceeds the maximum resolution and
frequency that the monitor can handle properly.
Adjust the maximum resolution and frequency that the
monitor can handle properly.
If the display exceeds SXGA or 75 Hz, a "Not Optimum
Mode", "Recommended Mode 1280 x 1024 60 Hz"
message is displayed. If the display exceeds 85 Hz,
the display will work properly but the "Not Optimum
Mode", "Recommended Mode 1280 x 1024 60 Hz"
message appears for one minute and then disappears.
Please change to the recommended mode during this
one-minute period.
( The message is displayed again if the system is
rebooted. )
The monitor is in PowerSaver mode.
Press a key on the keyboard to activate the monitor
Solutions
Preset Timing Modes)
dealer.