Troubleshooting Solving Basic Problems If the OmniBook doesn’t reboot successfully If your operating system is MS-DOS or Windows for Workgroups • If no text is displayed, or if things stop before you see any text about MS-DOS, the unit probably requires service. • If you see error messages during startup, but Windows starts or you get an MS-DOS prompt, exit Windows. Then type scandisk to fix problems with drive C. Then press CTRL+ALT+DEL to reboot—but at the “MS-DOS Startup Menu,” press F8 ENTER and step through each startup command to find where the problem occurs. Repair or restore the necessary files as indicated.
• If you see text about MS-DOS but things stop before Windows starts or before you get an MS-DOS prompt, insert the Support Utility disk or other boot disk in the floppy drive, then press CTRL+ALT+DEL to reboot from drive A—then choose the Minimum Startup option. (If the unit doesn’t reboot from a floppy boot disk, the unit probably requires service.) If it reboots, type dir c: to see if drive C contains valid files. Then try the following: If drive C has valid files, try typing these commands: c:\dos\scandisk (to repair any defects) and sys a: c: (to restore core MS-DOS files). Try typing each of these commands to see if it fixes the problem:
fdisk /mbr (to repair only the boot sector of drive C) c:\dos\scandisk (to repair any file defects) Last resort: The following commands delete all files on drive C, so you must reinstall your files after running these commands: fdisk (to reinitialize drive C) format c: /u (to prepare drive C for storing data) Reinstall all of the original files on drive C—see “If you need to install all original files on drive C” below. 2-4