Keyboard Help; Perform A Complete Power Cycle - Toshiba Portege Z20-B Series User Manual

The battery appears not to power the device for as
long as it usually does.
If you frequently repeat shallow charge and discharge, the
battery meter may become inaccurate. Let the battery
discharge completely, then try charging it again.
Check the power options via your Power Plans (see
Plans" on page
power from the battery? Is your software using the internal
storage drive more? Is the display power set to turn off
automatically? Was the battery fully charged to begin with?
All these conditions affect how long the charge lasts.
After a period of time, the battery will lose its ability to
perform at maximum capacity and will need to be replaced.
This is normal for all batteries.
For more information on maintaining battery power, see
"Charging the main battery" on page

Keyboard help

NOTE
If you are experiencing problems with the functionality of
any of the device's keyboard keys, (i.e. wrong characters
displayed, or multiple characters displayed) when pressing
keys on the keyboard, try any of the following
troubleshooting tips that may help to restore the keyboard to
its proper operation.

Perform a complete power cycle

1 Shut down your device, see
on page
2 Remove all accessories, and unplug all cables. This
includes USB flash drives, SD Card, and the power
cord/cable.
3 If your device has a user-removable battery, remove the
battery and hold down the power button for
approximately 10 seconds.
4 Reconnect the battery (if you removed it) and the power
cord/cable.
If Something Goes Wrong
93). Have you added a device that takes its
If the problem is with an external keyboard connected to
your device, you may need to update your keyboard
driver. Refer to the documentation that came with the
keyboard or to the keyboard manufacturer's Web site.
52.
Keyboard help
87.
"To Shut down your device"
129
"Power