ati radeon 9200er series driver(just click >> win xp >> radeon >> 9200er series):
http://ati.amd.com/support/driver.html
samsung syncmaster 152v driver:
http://org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx?CDSite=HQ&CttFileID=189725&CDCtt Type=DR&ModelType=N&ModelName=152V&VPath=DR/200406/20040611093103578_SM152V.zip
Did you already test your display with another PC ?
What are the exacty symptoms:
- Can you see your PC boot ?
- "No Connection. Check signal cable."