vista x64 won't display native resolution anymore!!!

hey guys, been wrestling w/ this for a week & a half now, & can't figure it
out...

have a gateway FPD2185W 21" WS monitor and an EVGA 7300GS. have been using
'em w/ vista x64 for 4 months w/ no problems (RGB; the dvi port on the crappy
Gateway blew last winter).
was using my box normally, hadn't updated any drivers or installed any new
apps in a while, when the screen just flickered and kicked me into an 800x600
resolution. when i tried to change it back to the monitor's native resolution
(1680x1050), i found that it wasn't available anymore... the best resolution
i could get was 1600x1200. when i 'check all modes', nothing above 1600x1200
is listed.
I've tried restoring to an old save point, i've tried uninstalling and
re-installing 3 diff versions of the forceware drivers (incl. the most
recent), i've swapped in my old x600 card & installed the latest catalyst
drivers. NOTHING WORKS!!! When i plug the monitor into my old computer tho,
f*ckin' bob's yer uncle... no problems whatsoever.
WHAT THE 'EFF!!!
Please someone tell me you have a solution! My eyes really hurt from looking
at this fuzzy, non-native resolution!!!

[breno785]

I have the EXACT same problem as you do except i can't get my monitor over 1024x768. I've done all the troubleshooting you have done too myself but no luck. This appear to have happened on Tuesday (12th Feb) update..i have no idea what to do from now...:/

To both of you, I just found the solution. I had the same problem as
you.

What I did was went to the device manager and searched for updates for
the display adapter and monitor. It found updates and installed them.
1680x1050 was just restored


--
RSGun