WBIDEOS2 IDE Device Driver Documentation -------------------------------------------- If you want to uninstall the WBIDEOS2 OS/2 device driver, you can edit CONFIG.SYS 1. Change the option of IBM1S506.ADD REM BASEDEV=IBM1S506.ADD [options] ---> BASEDEV=IBM1S506.ADD [options] 2. Change the option of WBIDEOS2.ADD BASEDEV=WBIDEOS2.ADD options ---> BASEDEV=WBIDEOS2.ADD /A:0 /I /A:1 /I options 3. Shutdown your system and Restart it ! or You can restore the CONFIG.SYS from CONFIG.###, CONFIG.### is the backup copy when DDINSTAL executed