VAIO Hangs, Freezes, Slow boot or Encountered BSOD.

Please refer to the steps below to solve this issue.

STEP 1:
Remove peripherals, dock, external devices and 3rd party RAM.

STEP 2:
Run full Antivirus scan with the supported Antivirus application.

1. Open and run the installed security or antivirus software.
2. Update the security or antivirus software to include the latest definitions.
3. Follow the security or antivirus software instructions to complete a full system scan.

STEP 3:
Remove unused applications from Startup.

1. Click the Start button, then in the Start Search box, type: msconfig.
2. Press the Enter key.
3. In the System Configuration Utility window, click the Startup tab.
4. On the Startup tab, click to clear the box next to the desired item to prevent it from loading at Startup.
5. Click the OK button.
6. In the System Configuration dialog box, click the Restart button.

STEP 4:
Use the Disk Cleanup utility to delete any unnecessary files from the hard drive.

1. Click Start, click All Programs, click Accessories, click System Tools, and click Disk Cleanup.
2. In the Disk Cleanup Options window, click either My files only or Files from all users on this computer.
3. In the Disk Cleanup for (C:) box, click to select the boxes next to Temporary Files and Temporary Internet Files.
4. Once all desired folders have been selected, click the OK button.
5. In the Are you sure you want to permanently delete these files? box, click the Delete files button.

STEP 5:
Install the latest updates on your computer with the software applications:

• Windows Update
• VAIO Update

STEP 6:
Perform recovery using F10 or ASSIST button.



System Recovery steps thru ASSIST button.

1. Press ASSIST button when VAIO is already in shutdown mode. It will load the VAIO Care (Rescue Mode).
2. Click on Start troubleshooting (recovery).
3. Click on English (United States) on Language Selection
4. Click on US on Keyboard Layout Selection.
5. On the next window, click Troubleshoot.
6. Under Troubleshoot tab, click VAIO Recovery.
7. Choose the Operating System.
8. On VAIO Rescue Mode, click on Select English and start VAIO Care (Rescue Mode).
9. Click on Wizard.
10. Click on Skip rescue.
11. Click on Yes, I’m sure. and then click on Start recovery.
12. Follow on-screen instructions.
    Note: It will take approximately 3 hours to finish recovery.

System Recovery steps thru F10 button

1. Close all open programs and turn off the computer.
2. Disconnect all network connections.
3. Disconnect all peripheral devices.
4. Turn on the computer.
5. When the VAIO screen is displayed, press the F10 key.
   Notes:
   
   • If an Edit Boot Options screen appears, press the Enter key.
     
   • If a Windows Boot Manager screen appears, select VAIO Recovery Environment and then press the Enter key.
   
   
6. In the VAIO Recovery Center window, under Choose a program, click to select the desired option:
   
   • VAIO Hardware Diagnostics - Computer problems related to hardware can be diagnosed using this option.
     
   • Restore C: Drive - This option is used to recovery the entire C: drive partition to its original factory software configuration.
     
   • Restore Complete System - This option is used to delete all hard drive partitions and recovery the system to its original factory software configuration.
     
   • Rescue Data - This option can be used to detect and save data to an external hard drive or removable media prior to a system recovery.