I installed the Samsung 2494HM from the CD on a Windows 7 professional 64 system. The monitor "worked fine" without the branded drivers but there...
Hi Des! Check the license text but I'm pretty sure that it covers one installation only. He will have to uninstall from one computer to fix...
Well, is his software genuine?
That's what I suggested but after slipstreaming SP3 to the CD you used.
One final (?) thought: Maybe slipstreaming SP3 to the XP SP2 CD and next, try a repair, booted from the new XP SP2+3 CD would work?
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