The computer makes a strange or strong fan noise and/or emanates a lot of heat (SA/SB series)

Please proceed with the following steps:

1. BIOS update

Ensure that BIOS version R2085H4 (or higher) is installed:
Click Start, type VAIO Control Centre in the Start Search box, and then click VAIO Control Centre in the Programs list.
Navigate to System Information.

2. Slide the performance selector hardware to Stamina or change the Thermal Control Strategy to Silent Mode in VAIO Control Centre.

• Click Start, type VAIO Control Centre in the Start Search box, and then click VAIO Control Centre in the Programs list.
• Navigate to Power Options.
• Select Silent Mode and click OK.

For more information and/or other models please refer to: The computer makes a strange or strong fan noise and/or emanates a lot of heat