cain071546 Posted June 24, 2014 Share Posted June 24, 2014 (edited) First of all Thanks to the entire Nexus Community You all are awsome and together we are all Great first of all let me get some system specs out of the way Phenom x4 2.5GhzStock Dell Inspiron 546 MoboHIS HD 7770 1Gb3Gb DDR2 64007200rpm SATA HDD'sWin 7 sp1 with catalyst 13.9 im currently trying to get my GOTY edittion of Fallout 3 to run neither iNumHWThreads=2 or bUseThreadedAI=1 has any effecti had to run windowed 800x600 just to get past the character creation screen/tutorial without a CTD then once out of the vault i cant walk/run more than about 200 feet without a CTD Ive installed the last 5 video drivers for the HD 7770 no luckmy last solution would be to downgrade to a copy of Vista Ultimate/Home Premium hoping its a chipset driver issue or somthingIve even attempted to install all the vista drivers under Windows 7 wich had no impact on performance Edited June 24, 2014 by cain071546 Link to comment Share on other sites More sharing options...
cain071546 Posted June 24, 2014 Author Share Posted June 24, 2014 (edited) UPDATE i did a clean install of OEM Dell Vista Ultimate 32bit and catalyst 13.12 (latest driver available for vista) still no good i was using catalyst 13.9 (latest driver that will install for this card under windows 7 catalyst 14+ anything wont install on my HD 7770 for me at all even after clean installs of windows Edited June 24, 2014 by cain071546 Link to comment Share on other sites More sharing options...
TheHermit84 Posted June 25, 2014 Share Posted June 25, 2014 The latest is 14.6 for 7900 series. Are you using any mods?If I was you I would first make sure that my GPU drivers were installed correctly. Search google for 'Display Driver Uninstaller.exe' - run the program in safe mode.Download the latest ATI catalyst drivers for 7900 series and install. Then follow this guide. I find it very useful: http://pcgamingwiki.com/wiki/Fallout_3 Link to comment Share on other sites More sharing options...
trebonus Posted July 10, 2014 Share Posted July 10, 2014 If its a multicore issue I found a fix that's worked for me so far- manually disabling multiple cores via windows- I posted specifics in another post in this forum or just google disabling cores in windows. Give it a try and see if it works- if it does post about it to help confirm this fix is for real. (I was having similar constant crashes) Link to comment Share on other sites More sharing options...
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