Samsung 591S, 793S, 793DF, 795DF, 797DF, 997DF, 793MB, 795MB manual Image on the screen is

Check List

Symptom	Check List	Solutions
The image on the screen is	Check the monitor	The signal from the video card
shaking.	configuration to see if it is in	exceeds the maximum resolution and
	Interlace Mode. (Interlace	frequency of the monitor.
	Mode: Vertical frequency
	43Hz, 87Hz(i), etc)
	Are there any magnetic	Move the monitor away from anything
	products such as a power	that can create a strong magnetic field.
	adapter, speaker or a high
	voltage wire near by?
	Is the voltage stable?	The screen image can appear to shake
		or vibrate at a particular time of day
		due to low supply voltage.
	The screen image can also appear to shake or vibrate if there is a
	problem with the video card or the computer's main board.
The screen shows strange	Is the screen displaying only	Check the signal cable connection.
colors or just black and	one color as if looking at the
white.	screen through a cellophane	Make sure the video card is fully
	paper?	inserted in it's slot.
	Have the screen colors	Reboot the computer.
	become strange after
	running a program or due to a
	crash between applications?
	Has the video card been set	Set the video card by referring to the
	properly?	video card manual.
The screen suddenly has	Have you changed the video	Adjust screen image position and size
become unbalanced.	card or the driver?	using the OSD.
	Have you adjusted the	Adjust the resolution and frequency at
	resolution or frequency to the	the video card.
	monitor?	(Refer to the Preset Display Modes).
	The screen can be unbalanced due to the cycle of the video card
	signals. Readjust Position by referring to the OSD.