I'm new to ATT. I have not made any changes other than attempting to move sliders in the overclock settings. They are both currently at 13.50. When I try to change them, no matter where, it crashes Windows and system reboots. Display adapter ATI Radeon Graphics Processor (0x9501) ______________________________ Core Name SubVendor Sapphire (P.C. Partner) (174B) SubDevice E620 BUS 1 Device 0 Function 0 Base Address 0 D000000C Base Address 1 00000000 Base Address 2 FE9E0004 Base Address 3 00000000 Bus Type PCI Express SMARTGART Installed No Driver Version 09.1 Release Version 8.573-090113a-074233C-ATI QuadBuffer Stereo Support No Catalyst Registry Path System\CurrentControlSet\Control\Video\{955F18E5-7123-4C2A-A4AA-C1C81FD84BB7}\0000 ______________________________ Clock Information BIOS VPU 776.00 Current VPU 13.50 BIOS MEM 1126.00 Current MEM 13.50 ______________________________ Overdrive Supported No ______________________________ Radeon PCI configuration space 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00 02 10 01 95 07 04 10 00 00 00 00 03 08 00 80 00 10 0C 00 00 D0 00 00 00 00 04 00 9E FE 00 00 00 00 20 01 C0 00 00 00 00 00 00 00 00 00 00 4B 17 20 E6 30 00 00 00 00 50 00 00 00 00 00 00 00 00 01 00 00 40 00 00 00 00 00 00 00 00 00 00 00 00 4B 17 20 E6 50 01 58 03 06 00 00 00 00 10 A0 12 00 A0 8F 2C 01 60 10 08 00 00 02 0D 00 00 40 00 02 11 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 A0 05 00 81 00 0C 30 E0 FE 00 00 00 00 B0 49 00 00 B0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 D0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Hardware Information ASIC (Software) Method Family 71 Emulated Revision 41 Gfx Engine ID 6 VRam Bit Width 256 Installed memory 512 Hardware Information Direct hardware access Installed memory 0 Mb Memory Type DDR4 Memory Width 32 bit Tmu 32 bit ______________________________ Radeon Registers RADEON_BIOS_0_SCRATCH 00000000 RADEON_BIOS_1_SCRATCH 00000000 GB_TILE_CONFIG FE9E0004 HWDREG_00000000 00000000 HWDREG_00000001 00000000 HWDREG_00000002 00000000 HWDREG_00000003 00000000 HWDREG_00000004 00000000 HWDREG_00000005 00000000 HWDREG_00000006 00000000 HWDREG_00000007 00000000 HWDREG_00000008 00000000 HWDREG_00000009 00000000 HWDREG_0000000A 00000000 HWDREG_0000000B 00000000 HWDREG_0000000C 00000000 HWDREG_0000000D 00000000 HWDREG_0000000E 00000000 HWDREG_0000000F 00000000 HWDREG_00000010 00000000 HWDREG_00000011 00000000 HWDREG_00000012 00000000 HWDREG_00000013 00000000 HWDREG_00000014 00000000 HWDREG_00000015 00000000 HWDREG_00000016 00000000 HWDREG_00000017 00000000 HWDREG_00000018 00000000 HWDREG_00000019 00000000 HWDREG_0000001A 00000000 HWDREG_0000001B 00000000 HWDREG_0000001C 00000000 HWDREG_0000001D 00000000 HWDREG_0000001E 00000000 HWDREG_0000001F 00000000 HWDREG_00000020 00000000 ______________________________ Video BIOS Information Version 010.073.000.000 Part Number 113-1E620A-000 Date 2007/12/21 07:21 Vram Type DDR4 ______________________________ Controller Configurations Controller 0 Active Connections: -Digital Flat Panel (0) 1024x768x75 Controller 1 Active Connections: No Active Connections ______________________________ Displays supported by adapter 0 (1) Monitor (CRT1) 1 (2) Second Monitor (CRT2) 2 (4) TV 3 (8) Digital Flat Panel 4 (16) Digital Flat Panel 5 (32) Component Video Output ______________________________ EnumDisplays Display Type 0, Extended Type 1 , Max Resolution 1680x1050 Display Type 0, Extended Type 2 , Max Resolution 1600x1200 Display Type 1, Extended Type 0 , Max Resolution 0x0 Display Type 3, Extended Type 1 , Max Resolution 0x0 Display Type 3, Extended Type 3 , Max Resolution 1680x1050 Display Type 4, Extended Type 0 , Max Resolution 0x0 ______________________________ Loaded Displays Display 1 index 16 Display 2 index 2 TV Index 4 ______________________________ Multi VPU State ulActiveAdapters 1 ulAvailableAdapters 0 ulCurrentAdapter 0 ulDongleCapabilities 0 ulDongleConnection 0 ulDongleDisplayIndex 0 ulPrimaryIndex 0 ulMVPUMaxFBSize 0 ulMVPUMaxPipes 0 ulMVPUMaxVisFBSize 0 ulMVPUState 0 State Bits ______________________________ Multi VPU Caps ______________________________ No additional information Hope this helps. Thanx