Win XP wont boot after upgrading video drivers

arunwilk

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Apr 23, 2011
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Hello,
my friend upgraded his Nvidia 7800GT drivers and now the PC won't boot. I think it is booting but it won't display anything after the Windows XP Splash Screen. It gives an error "bootmgr missing" I assume it is Bootmgr since the screen only shows part of the error "tmgr"
is there a way to uninstall the current display drivers?
I can't go into safe mode.