Samsung 225UW manual Check List, Refer to the Preset Timing Modes

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 phone number on the Information section or contact your dealer.

Symptom	Check List	Solutions
No images on the	Is the power cord	Check the power cord connection and supply.
screen.	connected
I cannot turn on	properly?
the monitor.
	Can you see	(Connected using the RGB-IN cable)
	"Check Signal	Check the signal cable connection.
	Cable" on the
	screen?

If the power is on, reboot the computer to see the initial screen(the login screen), which can be seen.

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.

Can you see "Not	You can see this message when the signal from the
Optimum Mode",	video card exceeds the maximum resolution and
"Recommended	frequency that the monitor can handle properly.
Mode 1680 x 1050
60 Hz" on the	Adjust the maximum resolution and frequency that the
screen?	monitor can handle properly.
	If the display exceeds SXGA or 75 Hz, a "Not Optimum
	Mode", "Recommended Mode 1680 x 1050 60 Hz"
	message is displayed. If the display exceeds 85 Hz, the
	display will work properly but the "Not Optimum Mode",
	"Recommended Mode 1680 x 1050 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.)
There is no image	The monitor is in PowerSaver mode.
on the screen.
Is the power	Press a key on the keyboard to activate the monitor and
indicator on the	restore the image on the screen.
monitor blinking at 1
second intervals?	If there is still no image, press the '	' button.

Then press any key on the keyboard again to activate the