I Cannot See The On Screen Display; The Screen Shows Strange Colors Or Just Black And White - Samsung 2043SN Quick Start Manual

Q: Can you see "Check Signal Cable" on the screen?
A: (Connected using the D-sub cable)
Check the signal cable connection.
Q: If the power is on, reboot the computer to see the initial screen (the login screen), which
can be seen.
A: 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 Preset Timing Modes)
If the initial screen (the login screen) does not appear, contact the Service Center or
your dealer.
Q: Can you see "Not Optimum Mode", "Recommended Mode 1600 x 900 60 Hz" on the
screen?
A: You can see this message when the signal from the video card exceeds the maximum
resolution and frequency that the monitor can handle properly.
A: Adjust the maximum resolution and frequency that the monitor can handle properly.
A: If the display exceeds SXGA or 75 Hz, a "Not Optimum Mode", "Recommended
Mode 1600 x 900 60 Hz" message is displayed. If the display exceeds 85 Hz, the display
will work properly but the "Not Optimum Mode", "Recommended Mode 1600 x 900
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.)
Q: There is no image on the screen. Is the power indicator on the monitor blinking at 1
second intervals?
A: The monitor is in PowerSaver mode.
A: Press a key on the keyboard to activate the monitor and restore the image on the screen.
A:
If there is still no image, press the '
again to activate the monitor and restore the image on the screen.

I cannot see the On Screen Display.

Q: Have you locked the On Screen Display (OSD) Menu to prevent changes?
A: Unlock the OSD by pressing the [MENU/

The screen shows strange colors or just black and white.

Q: Is the screen displaying only one color as if looking at the screen through a cellophane
paper?
A: Check the signal cable connection.
A: Make sure the video card is fully inserted in its slot.
Troubleshooting
' button. Then press any key on the keyboard
] button for at least 5 seconds.