User's Manual

Chapter 4 — Troubleshooting and Maintaining the CN50
CN50 Mobile Computer User’s Manual 53
You press
£ and
nothing happens.
• Make sure the backlight is on.
• Make sure you have a charged battery that is
installed correctly. For help, see “Charging the
Battery” on page 3.
• The battery may be discharged. Replace the battery
with a spare charged battery, or charge the battery.
• Reset the CN50. For help, see “Resetting the
CN50” on page 57.
You insert a
microSD card and
cannot find the
SDMMC Disk folder
on the CN50. Or,
you insert a bootable
SD card and the
CN50 does not boot
from the card.
• The microSD card may not be installed correctly.
Insert the microSD card as described in Steps 2
through 4 of “Using a microSD Card” on
page 19.
• The microSD card may be damaged. Try another
microSD card.
The Battery status
LED is on.
• If the battery status LED is a steady green, the
battery is more than 95% charged and computer is
on a charger.
• If the battery status LED is blinking red, then the
battery is low. Replace or charge the battery.
• If the battery status LED is a steady red, the main
battery is on charge.
The computer
appears to be locked
up and you cannot
enter data.
• Press the power key to turn off the CN50, and then
press the power key again to turn it on.
• Try reloading the firmware. For help, see
“Upgrading the System Software” on page 46.
• If the CN50 does not boot or reset, contact your
Intermec representative for help.
You tap the screen
and nothing
happens.
Align your screen. For help, see “Aligning the Touch
Screen” on page 13.
Problems While Configuring the CN50
Problem Possible Solution