Apple 210 manual Video

	Troubleshooting		Symptom Charts/Video (Continued) - 21
		Video (Continued)
Screen flickers		1	Some flickering is normal for grayscale displays.
		2	Set display to 1-bit mode (black and white) in Monitors
		3	Control Panel.
			Check display cable connection.
		4	Duo 210/230: Replace display.
		5	Duo 250/280: Replace display (CPRC/Int’l only).
		6	Replace logic board.
		7	Return computer to Apple.