text: Most likely, what happened is you installed the new video card without removing the old one first and all of its components.  Try putting the S3 back and uninstall everything then shut down and put the new one in.  If that doesn't work then try this.\n\nRun --->  Regedit\n\nGo here to see if any startup is on for S3\nHKEY_LOCAL_MACHINE&#92;SOFTWARE&#92;\nMicrosoft&#92;Windows&#92;\nCurrentVersion&#92;Run\n\nIf so, remove it/them...\nPress F3 and find S3 Or Pro Savage and delete everytime you find a Reg Key.