On Thursday December 23 2004 16:56, Bob St John wrote: > Folks, > > I just moved from a CRT display (apparently with a Refresh Rate of 85Hz) > to a Princeton SENergy 714 LCD (which apparently supports a maximum > Refresh Rate of 75Hz). > > When I made the move, I immediately saw the problem (Linux FC3 video > trying to refresh at 85Hz, but that was not acceptable to new LCD, > therefore no display.) So I reconnect the CRT, logged in as one of the > users, and changed the Linux FC3 video refresh rate from 85Hz to 75Hz. I > then reconnected the new LCD and everything worked fine for the userid > for which I made the change. > > However, when I logout of that userid, the Linux video drivers revert to > a Refresh Rate of 85Hz and I loose the display. > > By the way, the video is on the motherboard and it supports AGP Rev 2.0 > (if that means anything relative to this problem), and I cannot find any > BIOS settings that determine video Refresh Rate. > > So what's going on here? Must I change the Refresh Rate for root and all > other users? Is there any way to do it one for all users for all > eternity (i.e., I don't want it to revert back to 85Hz at any time.) Boot in single user mode and run system-config-display to fix.
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