problema con hd4850

[arcanisgk1]

Card name: ATI Radeon HD 4800 Series
Manufacturer: ATI Technologies Inc.
Chip type: ATI display adapter (0x9442)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_9442&SUBSYS_20031787&REV_00
Display Memory: 2297 MB
Dedicated Memory: 506 MB
Shared Memory: 1791 MB
Current Mode: 1440 x 900 (32 bit) (75Hz)
Monitor Name: Monitor PnP genérico
Monitor Model: W1934
Monitor Id: GSM4B7A
Native Mode: 1440 x 900(p) (59.887Hz)
Output Type: HD15
Driver Name: atiumd64.dll,atidxx64.dll,atiumdag,atidxx32,atiumd va,atiumd6a.cap,atitmm64.dll
Driver File Version: 8.14.0010.0678 (English)
Driver Version: 8.632.1.2000
DDI Version: 10.1
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 8/18/2009 02:15:58, 4059648 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
Device Identifier: {D7B71EE2-D702-11CF-9176-0900A1C2C535}
Vendor ID: 0x1002
Device ID: 0x9442
SubSys ID: 0x20031787
Revision ID: 0x0000
Driver Strong Name: oem6.inf:ATI.Mfg.NTamd64.6.1:ati2mtag_R7X:8.632.1. 2000:pci\ven_1002&dev_9442
Rank Of Driver: 00E62001
Video Accel: ModeMPEG2_A ModeMPEG2_C
D3D9 Overlay: Not Supported
DXVA-HD: Not Supported
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled