On Tue, 2005-09-06 at 20:58 -0400, Matthew Saltzman wrote: > (1) > Video card: NVIDIA GeForce 2 MX (generic) > Monitor: Samsung SyncMaster 930B (flat panel) > Driver: nvidia (the commercial one), but it happens as well with nv. > Resolution: 1280x1024, 32-bit color or 16-bit color > Sypmtom: Monitor flickers as if it's synching at very low rate. > The monitor reports that it is syching at 75Hz, but I still see flicker. Display refresh rate beating with the room lighting? > (2) > Video card: ATI Radeon Mobility 7500 in an IBM Thinkpad T41. > Driver: radeon > Kernel: kernel-2.6.12-1.1398_FC4 > Kernel option: video=radeonfb > X: xorg-x11-6.8.2-37.FC4.45 > Symptom: When I use the VGA-out jack to connect to an overhead projector > or external monitor, the projector image ripples slowly, as though (very > narrow) waves are passing over it. Sagging mains power in the projector? Earth loops? Monitors placed near to another device emitting a strong EM field? -- Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.