Created attachment 376429 [details] Xorg.0.log I'm getting very strange flashing cursor-alike visual glitches, most visible in darker parts of the screen (but not when I use opaque black). I'll attach a screenshot in a second, which shows some of the little black lines I'm seeing. These flash on and off very rapidly, with positions varying, but apparently on a diagonal line. When I take a screenshot, these do not show up in the screenshot. The glitches do however also display when I watch the screenshot and move along when I move the image window. $ lspci 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) 00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port (rev 07) 00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03) 00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03) 00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03) 00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03) 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03) 00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03) 00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 03) 00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03) 00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 03) 00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03) 00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03) 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03) 00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) 00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 03) 00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03) 01:00.0 VGA compatible controller: ATI Technologies Inc M92 [Mobility Radeon HD 4500 Series] 01:00.1 Audio device: ATI Technologies Inc R700 Audio Device [Radeon HD 4000 Series] 08:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100 14:00.0 FireWire (IEEE 1394): O2 Micro, Inc. Device 10f7 (rev 01) 14:00.1 SD Host controller: O2 Micro, Inc. Device 8120 (rev 01) 14:00.2 Mass storage controller: O2 Micro, Inc. Device 8130 (rev 01) 20:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03) Xorg log attached. Any help in debugging this would be greatly appreciated, this is a new system for my mother, I'd like to get her up and running :-). Let me know if there's extra steps that need to be taken and thanks already!
Oh, I forgot to mention, this is a Dell Studio 17. Other hardware specs are in the lspci, I think.
Created attachment 376431 [details] Photo that shows the problem. This is the default background for Fedora 12. Obviously the little black lines shouldn't be there.
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