vitamin wrote: > > What distro? What video card & drivers? Have you disabled 3d-desktop effects? Ubuntu 9.10 64bits. Video: Code: *-display description: VGA compatible controller product: M92 [Mobility Radeon HD 4500 Series] vendor: ATI Technologies Inc physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 32 bits clock: 33MHz capabilities: bus_master cap_list rom configuration: driver=fglrx_pci latency=0 resources: irq:30 memory:d0000000-dfffffff(prefetchable) ioport:2000(size=256) memory:fc000000-fc00ffff memory:fc020000-fc03ffff(prefetchable) Turning on/off the 3D desktop effect makes no difference to this problem. As a matter of fact, when I first had this I didn't even have the restricted driver installed. I thought it might be the problem without it, so I installed it. But it changed nothing.