information.
What should I do if I forget the
If you forget the password (Setting/Changing the
When you forget your user password:
Enter the machine password to reset the user password at the BIOS setup screen. 
When you forget your machine password:
The password needs to be reset and a fee will be charged. To reset the password, contact an authorized Sony service/support center.
What should I do if I forget the
If you forget the password (Setting/Changing the
When you forget your user password:
Enter the machine password to reset the user password at the BIOS setup screen. 
When you forget your machine password:
The password needs to be reset and a fee will be charged. To reset the password, contact an authorized Sony service/support center.
What should I do if I cannot charge the device connected to the USB port that supports USB charging?
Make sure that the USB Charging setting is enabled. See Charging a USB Device for more information.
Why can't I write data to a memory card?
Some types of memory cards are equipped with an erasure prevention switch to protect data from unintentional erasure or overwriting. Make sure the erasure prevention switch is off.
Why do sound interruptions and/or dropped frames occur when I play
Playing
Why is my VAIO computer running slowly and the CPU clock frequency low while the computer is running on battery power?
While your VAIO computer is running on battery power, the CPU clock frequency is reduced for power conserving purposes, which causes the computer to run slowly. This is normal and does not indicate a malfunction.
