You need to install the correct video drivers for your laptop. XP has
installed default drivers.

<cjeffwang******.com> wrote in message
news:462c06f7-0a97-41e6-b22e-8fe70e88e790@34g2000hsh.googlegroups.com...
> The color quality of my 'Fujitsu Nseries Lifebook' laptop suddently
> reduced to the lowest 4 bit, and can not be started as expected. I
> resetted to higher quality but the color quality was still re-
> configured to 4 bit, and Windows XP home can not be opened. Then I re-
> installed XP Pro. It seemed to work only once (immediately after
> installation) then color quality backed to 4 bit.
>
> What's wrong? Video driver? Video card?
>
> TIA,
> Jeffrey