ATI Radeon Xpress 1150 driver??

Trying to find a graphics driver for ATI Radeon Xpress 1150 and not having any luck. Below is the system info. It's an older system that my M-I-L uses. She keeps getting a blue screen and then a action center message to "Solve a Problem with ATI Graphics Driver." Tried using that to fix and all other things that I can think of to fix.

OS Name Microsoft Windows 7 Home Premium
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name ANNWILSON-PC
System Manufacturer Hewlett-Packard
System Model HP Compaq dx2250 Microtower
System Type X86-based PC
Processor AMD Athlon(tm) 64 X2 Dual Core Processor 4000+, 2100 Mhz, 2 Core(s), 2 Logical Processor(s)
BIOS Version/Date Phoenix Technologies, LTD MS7297 1.08, 8/22/2007
SMBIOS Version 2.5
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume1
Locale United States
Hardware Abstraction Layer Version = "6.1.7601.17514"
User Name AnnWilson-PC\Ann Wilson
Time Zone Eastern Daylight Time
Installed Physical Memory (RAM) 2.00 GB
Total Physical Memory 1.87 GB
Available Physical Memory 563 MB
Total Virtual Memory 3.75 GB
Available Virtual Memory 2.58 GB
Page File Space 1.87 GB
Page File C:\pagefile.sys

Thanks for any help!