Next to User name:, click the down arrow, and then click to select an account with Administrator rights.In the System Recovery Options window, click the Next button.In the Advanced Boot Options screen, verify Repair Your Computer is selected and then press the Enter key.Turn on the computer and then at the VAIO screen, press the F8 key.
If the Repair You Computer option in not available in step 3, this procedure is not supported on your computer model. IMPORTANT: This option is available on most VAIO computers, but not all.
