Win98 will not boot Error is invalid system disk. Please insert bootdisk. Or Disk i/o error While booting the computer, enter the standard bios setup. Make certain primary HD detect is set to auto. Exit bios. Using win98 bootdisk select option 4 of fdisk. Primary dos partition must be set active Also you should use the Win98 Boot disk to transfer system files: sys c: From a:> prompt type: fdisk /mbr Win98 bootdisk is available from bootdisk.com Make sure jumpers are set properly on your HD and CDROM. Main HD should be connected to IDE1 and set to master. CDROM should be set to master and connected to IDE2. Connect secondary HD to IDE1 or IDE2 and set it to slave. Go into safe mode (press F8 at startup) and edit device manager. Sometimes Windows has problems adjusting to hardware changes and needs to detect hardware changes (especially primary master HD). This is true when using images created on different hardware! Also replacing a depleted CMOS battery works magic! And make sure there is proper contact with the clip and cmos battery drpcdr.ca