How to perform a Factory Reset on SGPT121US Sony Xperia Tablet

To get into factory reset menu by hardware level  follow  instructions below:

1. Power on the Tablet (press the power button for like 1.8 Seconds, then release it)
2. Immediately Press and hold the Volume + for three seconds.
3. Without releasing Volume +, Press the power button for one second.

The amount of time required to complete this task  will be 5.8 to  6 seconds  from step 1 to 3, then with the volume+ and volume- navigate on the menu, and to confirm any action press the power button.

How to bypass ClickNKids tablet Registration process

Why Sony VAIO battery is only charging 80%?.

This video describe why Sony vaio batteries  only charge 80% or 50% and how get rid of this problem.

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Windows 10 technical preview video

Here is a video of windows 10 technical preview. Some improvements and new features

BOOTING INTO RECOVERY MODE SAMSUNG COMPUTERS WINDOWS 8/8.1

Quick  information for BIOS access, Boot options and Recovery Options in Samsung computers running windows 8/8.1

Key   |   Function 

F2 =  |  Go to BIOS                   
F4 =  |  Go to Recovery Options.
F0 =  |  Go to Boot Option.


Press down and release the key  soon as the screen turn on and shows the Samsung logo.

Fixing HirensBoot corrupt when its running from USB

Fixing HBDVD USB boot corrupt without losing data

Boot from USB Toshiba C55-A5104 Solved...

Boot from USB  Toshiba C55-A5104/A5105 Solved...

These computer models wwere supplied  with EFI boot support only so there is no way to boot from a regular booteable USB or CD. The Legacy or CSM boot option does not exist on the BIOS


How to fix this issue.

1. Download the ISO file and burn it in a blank CD/DVD.
2. Turn on the computer and press f12 to show boot menu
3. put the optical media (cd/dvd) in the optical drive.
4. In the Boot menu select DVD drive.
5. A black screen with command will appear.
6. Type the command flash and press enter, let the process to finish computer will turn off after finish.
7. Turn on the computer and press f2 to get in to the BIOS. now in boot options you will have EFI and  CSM Support.