Hi here are requested information: lspci -vvnn and Xorg.0.log. # lscpi -vvnn 00:00.0 Host bridge [0600]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3580] (rev 02) Subsystem: Toshiba America Info Systems Device [1179:0001] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- (32-bit, prefetchable) Capabilities: [40] Vendor Specific Information Kernel driver in use: agpgart-intel Kernel modules: intel-agp 00:00.1 System peripheral [0880]: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller [8086:3584] (rev 02) Subsystem: Toshiba America Info Systems Device [1179:0001] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- 00:1f.0 ISA bridge [0601]: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge [8086:24cc] (rev 03) Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- Reset- 16bInt+ PostWrite+ 16-bit legacy interface ports at 0001 Kernel modules: yenta_socket # cat /var/log/Xorg.0.log X.Org X Server 1.5.2 Release Date: 10 October 2008 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-19-server i686 Ubuntu Current Operating System: Linux phoenix.troja 2.6.27.4-pentiumm-phoenix #1 PREEMPT Thu Oct 30 12:54:41 CET 2008 i686 Build Date: 24 October 2008 08:00:16AM xorg-server 2:1.5.2-2ubuntu3 (