Lenovo TAB 2 A7-10F User Manual page 40

Chapter 06
Troubleshooting
Insufficient memory prompt appears during app installation
Please free up some memory and try to install again
Cannot start or system crashed
Please charge the battery for half an hour and then long-press the power key for over 10 seconds to
restart
Press the Reset button behind the micro SD card slot cover, but please be noted that this method should
be used carefully.
Makes no sound when called or is not audible
Please adjust the volume using the volume keys
Cannot access the internet via wireless network
Restart the wireless router or go to Settings and restart WLAN
Cannot wakeup the tablet from sleep mode