Hi. I have an HP Pavilion a1220n pc. It uses the Intel 910GL chipset. My display monitor is a Samsung SyncMaster 206BW - new. The problem: running in the "background" of the display (only way I can describe it) are high-frequency, "wavy lines". For example, if you were to display any kind of image that has closely spaced lines, then you'd see a constant interferrence pattern in the display. I did this: removed and reinstalled the display monitor driver. Updated (from the HP site) the 910 chipset. No change. If I keep the display driver installed, but UNINSTALL the chipset driver, the computer switches to VGA mode and the interferrence pattern GOES AWAY. Of course, the display is not optimal, but this annoying and continuous pattern is gone. If I re-install the chipset driver, the problem returns. I'm at my wits end and my eyes are hammered. HELP! (For instance, as I type this message, this interferrence pattern makes the letters "vibrate") Again, HELP! Thanks in advance.