LG GT540 User Manual page 249

Important notice
NOTE: When uninstalling PC
Suite IV, USB and Bluetooth
Drivers are not automatically
removed. Therefore, they must
be uninstalled manually.
TIP! To use a microSD card on
you phone again, you need to
open the notification drawer and
touch Turn off USB storage.
During this time, you can't
access the microSD card from
your phone, so you can't use
applications that rely on the
microSD card, such as camera,
gallery and music functions.
To disconnect your phone from
the computer, carefully follow
your computer's instructions
to disconnect USB devices
correctly, to avoid losing
information on the card.
1. Safely disconnect the USB
device on your computer.
2. Open the notification drawer
and touch Turn off USB
storage.
1
3. Touch Turn off in the dialog
that opens.
10. When screen freezes
If the phone does not respond to
user input or the screen freezes:
remove the battery, insert it
again and power on the phone.
If it still does not work, please
contact to the service centre.