Just so we're clear here on terms.

Windows (from XP on) has at least three major recovery options, they are (in 
order from least to greatest impact):

+) System Restore

This is essentually change control for the OS.  Either automatically or on 
demand Windows will store configuration information, the registry, system 
files, etc.  You can then easily revert the system back to that state at any 
time.

So if you're about to try a potentially flakey driver, set a restore point 
first (Vista is much better at this that XP and sets automated restore points 
much more frequently and intelligently).  If the driver hoses something, revert 
to the restore point to get your old config back.

To my knowledge there is no equivilent of this on Mac OS.

+) System Repair

This is a more drastic measure that reverts windows components back to their 
original versions but attempts to maintain all your settings and programs.  
Since it uses the original files (from the installation disc) you would then 
have to reinstall any patches.

It's slow and scary but can often bring a completely hosed system back from the 
dead.  Again, in Vista, this process is both more intelligent and safer than in 
XP - but it's still much more drastic than system restore.

This is similar to the "Archive and Install" option available to Mac OS users.

+) System Reinstall

This is, by far, the most drastic option.  This consists of wiping your disk 
and starting from scratch with a brand new install.

You need to apply all patches, install all software and so forth: you're 
starting fresh.

This is the same as the "Software Restore" available to Mac OS users.


In the case presented (a network driver munging up the works) system restore is 
clearly the best choice: you just regress the system to a point before the 
driver was installed.

The process is very simple: just run the restore tool and choose "Restore my 
computer to an earlier time".  You'll be presented with a calendar listing of 
all available restore points (since this is a driver there should be one right 
before the driver was installed since Vista creates an automatic restore point 
for any system-level installs).  Choose the one you like, wait a bit (about 
3-10 minutes depending on the changes being made) and reboot.

Viola.  You've gone back in time.

Jim Davis



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