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Chapter 6: Troubleshooting
Problems
74
Teklogix 8570 Vehicle-Mount Computer User Manual
6.3 Problems
6.3.1 Display
No Backlight
• Boot the unit and increase the brightness control.
• Make sure that Suspend is off.
No Video
• Verify that the backlight is on, adjust up.
• Check that there’s power to the unit.
• Verify with a keyboard that the Num Lock LED works.
• Make sure that Suspend is off.
Display Quality Poor
• Clean the screen.
• Adjust the brightness.
• Verify with a keyboard that the Num Lock LED works.
6.3.2 Hard Drive
Boot Failure
• Check that the Boot Sequence is set correctly in the BIOS Setup (see
page 39).
Important: To use the USB floppy boot feature, USB BIOS Legacy Support
must be enabled., and the Parallel Port must be disabled in the BIOS
Setup.
File Corruption
• Run CKPRO, SCAN DISK or CHKDSK and then rebuild or reinstall
as necessary. If you don’t have a keyboard, a DOS virtual keyboard can be
activated by touching the upper left corner of the screen when in DOS.
Then, if you want to reboot in MS-DOS mode from Windows 95, a screen
keyboard will be available to run SCAN DISK or other DOS commands.