problem with Xorg

[Jimmy Wu]

Hi everyone,

Something has gone wrong with my computer, and I'm not quite sure what
I have Ubuntu 7.04 (Feisty), and I was trying to enable hardware
acceleration for my graphics card (nvidia).
After searching around the internet, I found one suggested method of doing
so: go to Systems>Administration>Restricted Drivers
So I did that, and I checked enable for the nvidia driver (it was the only
one on the list).
Then, the Restricted Drivers Manager showed a progressbar indicating that it
was downloading and installing some packages.
While it was doing that, my computer randomly restarted, and now it fails to
boot properly.
A screen comes up that says could not load the X Window System (I have 7.2),
and an option to show more info. If I hit enter on that, it displays some
system info as well as the following:

Backtrace:
0:/usr/X11R6/bin/X(xf86SigHandler+0x81) [0x80c5d91]
1:[0xffffe420]

Fatal server error:
Caught signal 4.  Server aborting.


Does anyone know what happened?
Also, will reinstalling X solve the problem, and if so, how do I go about
doing that (from the wiki.x.org site, it seems I have to download a ton of
.tar.gz files, unpack them, and build them myself).  I have very little
experience compiling programs from scratch, and I was wondering if there was
an easier way to do it.

Thanks,

Jimmy
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