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7-4 Troubleshooting
Diskette Drive Problems
Check the following to see the possible cause and solution.
Diskette won’t load.
Check that the diskette is being loaded correctly.
Check that the system and monitor power lamps are on and the power-on
screen appears.
Check that the diskette is formatted. If not, format it. See the operating
system documentation.
Check that the diskette size is 1.44 MB.
If the diskette drive busy lamp does not light when loading the diskette,
try a different diskette. If this loads, the problem is in the software.
Non-System Disk or Disk Error message displayed.
If trying to boot from the diskette drive, insert a diskette with system files
into drive A.
If a bootable diskette does not boot, use the Setup utility to verify that the
initial boot parameter is set to diskette drive A and not a hard drive.
Monitor Problems
Check the following problems to see the possible cause and solution.
Monitor screen is dark or the display is hard to read.
Check that the monitor is on.
Check that the monitor power cable is connected to the monitor and a
power outlet, the monitor signal cable is connected to the system, and the
brightness and contrast controls are adjusted.
Press the space bar or move the mouse to take the system out of the
power management mode.
Distorted image appears on the monitor screen.
Adjust the monitor’s video controls. If this does not help, turn the
monitor off for several seconds, then back on.
There is constant movement on the screen.
A magnetic field is affecting the monitor. Move any devices (fan, motor,
another monitor) that generate magnetic fields away from the monitor.
The screen display is fuzzy or flickering; graphics characters or
garbage appears on the screen.
Check that the monitor is set up correctly and that all connections have
been made.