6600gt install problem

Thanks everyone.

I did a system restore and that brought me back to the Geforce driver.
No problem there.

All Nvidia Videocards run off the same driver.
Since your upgrading from MX (Nvidia) to 6600GT (also Nvidia), all you had
to do was update the driver.
If you went from ATI to Nvidia, the perhaps you should remove the old
drivers, but this is not the case for you.
You made a simple job ... difficult!

Cheers
Sharp

Can you boot into safe mode?

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Thanks, robots.

After giving this some thought, it's possible that the PSU may be
underpowered for this card. However, in saying that, it is only a 6600GT
and I just did a quick check around the net and found that XFX recommend as
a minimum for this card a 300W PSU.

So in theory at least, you should be OK. You do have a few items powered of
that PSU so my recommendations in the long term are that you should upgrade
to a larger more powerful unit. I personally like Enermax supplies. I have
seen a number of Antec supplies give trouble or go bellyup in some way.

The problem you describe could be a number of things including the above but
the first thing I would try to isolate is that you have removed any trace of
the existing driver. 44.03 Detonators won't be compatible with a 6600GT so
that may explain some of your issues. Try rebooting to a last known good
config. and try to remove any trace of the exisitng driver. You may need to
reinstall the GF2 just to get the system up and running in the short term.
Make sure you have a new more up to date set of drivers on hand ready for
installation if you can get it booted OK with the new 6600GT installed.
Failing all that, maybe a reformat of your HDD and a fresh clean install of
Win XP and newer up to date drivers is the answer. It's a proven solution
finder if software and/or drivers are giving you problems. It is however,
time consuming.

Any thought of getting a speed increase out of a higher powered PSU is utter
nonsense. The only thing a higher powered PSU will give you is more
stability and that will only be if your original PSU wasn't supplying enough
clean juice to your system to begin with. Higher powered PSU's are required
for more demanding hardware like the higher end Nvidia's 6800 and ATI X800
series video cards and the faster processors from Intel and AMD. They can
also be of benefit if you want to overclock components as this requires more
power to do successfully. So don't think by buying a new 450W PSU, your
going to magically get an extra 10-20FPSs in your favourite games. It just
won't happen.

I hope this is of some benefit to you.

...

...

My thought is that your problems are 100% related to a woefully inadequate
power supply. Get a decent brand name (like Antec) 350W-450W unit. On a
second note, you'll notice a massive speed difference when you do get a
decent power supply, but your 6600GT is going to be held back a lot by that
2.26Ghz P4.