Here is a trick that can get your phone up and running in less than 30 seconds!A simulated battery pull will simply tell the phone to reboot, to turn itself off and then back on.

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This simple tool is amazing for a frozen or locked up Sony Xperia, or if your phone is showing a white/blue/black screen, if it’s having navigation problems, or for any reason you can’t seem to power the phone off yourself all you need to do is the simulated battery pull.

To do a simulated battery pull on a Sony Xperia you basically follow the same steps as you would when doing a simulated battery pull on the Motorola Atrix HD, all you have to do is hold the Volume Down button and then the Power key and hold these two buttons down simultaneously for about 15-20 seconds.

In case you just need to exchange files from pc to phone you can use ADB - Others have been using a virtual machine for this, sadly there isn't any support for Ubuntu on PC Companion (i just tried).

WINE support seems limited and running it on this end seems incredibly glitchy, but if it's only for the storage purpose then you can change the settings on your phone to USB Storage mode if you want to get into the contents on your device.

Unfortunately Sony Xperias don’t tend to have removable batteries but there is hope.

A second level reset or more simply a battery pull is a great fix for many common smartphone issues.

The yellow explanation mark will indicate a problem. Right-click the device, and in the popup menu select Update Driver Software.

Then follow the instructions on screen, but make sure you allow Windows to search the web for updated drivers.

One of the very first step is of course to check your webcam connection.

Most webcams use the USB port to connect to the PC, so check if your USB cable is properly plugged.

In most cases the webcam will be automatically activated by software that can use the webcam, but for some computer brands it is necessary to press a certain key-combination to activate the webcam (it will be a Function key, either with Alt or Ctrl or the Fn key, but check the laptop manual for details).