User's Manual Part 3
www.daptech.com CMU053-A4 51
Problem / Failure Recommended Action
Low Battery Messages on the Main Battery. 1.
If neither of these 2 icons appear in the Task
Bar when using Ethernet Cradle.
1.
2.
3.
The screen is blank and keyboard does not
sound the ‘beep’ when a key is pressed.
1.
2.
The unit does not turn on when pressing the
F1 key.
1.
The PC Card does not connect. 1.
The display contrast is very weak or background
very dark.
1.
“Background Display and Contrast
Advanced Settings”
The unit does not turn off automatically or
manually.
1.
2.
Troubleshooting Guide