Recently I am unable to access my Bios. The Motherboard Manufacturer screen hangs for a long period of time then posts whereby I see that a Promise Raid controller (I don't use raid) cannot find anything attached and Bios is not installed. Later I see a Bad checksum. (Keyboard is dead at this point and cannot get into Bios). It will eventually boot into windows. Note that I cannot use CDRW and DVD-ROM which stopped reading or booting into for the last month. Tried plugging USB keyboard w/adapter into PS2 connection (It will not even activate in windows). I have been working with other techs to fix CDRW/DVDRom issue (They open and close and appear to burn to CD but will not verify/read CDs
