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Fixing a Flickering Monitor
2 August 2007 @ 15:50 BST
by Paul

I've got a Hewlett Packard L1940T. It was flickering both in Vista and Linux. The flicker was so annoying that I was going to send the monitor back.

The monitor is not, I suppose, of the highest spec and the manufacturers recommended resolution is 1280 x 1024 @ 60 Hz.

I figured that playing with xorg.conf, the file that configures the video display might help. These settings stopped the flickering:

Section "Monitor"
	Identifier	"Generic Monitor"
	Option		"DPMS"
	HorizSync	60
	VertRefresh	43-60
EndSection

Unfortunately, with these settings, some of the fonts became slightly blurry. I can live with that, but the flickering was driving me bananas. It still flickers in Vista, but in Linux it's fine.




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