Half life 2 errors

[SLAYSTATION]

In hl2 werevr there is supposed 2 b a door that u can open there is flashing red letters saying error also all the long tables are just wire frame models this started wen i reinstalled it after i had bought a nVIDEA Gforce 4 wen it was installed wen i had my old Gforce 2 TI can ne1 help plz ?

[bingo83]

Have you updated your Graphics Card Drivers?

If not head to the Nvidia site for a nice set of fresh ones :)

[Raisedbyflames]

makesure you uninstall the oldones first

[SLAYSTATION]

yeah i hav... well my brother did it 4 me ne way