In the System Tray, right-click the Power icon, and then click Adjust screen brightness.
NOTE: If you have completed all of the steps above and the function keys still do not adjust the brightness, you can manually adjust the brightness using the power settings by following the steps below:
Verify the VAIO® Event Service is started and set to automatic.
NVIDIA GeForce® 9300M GS Video Driver Update.
Download and install the following updates, in the order listed, from the Sony® eSupport Web site.ĭownloads are posted on your model support page.
Though we cannot guarantee the functionality of any drivers on any installed retail version of the operating system, if Windows 7 drivers are not available you can try using the available Windows Vista® drivers.
All of the following drivers may not be available for all models and all versions of the Windows 7 operating system.
Follow the installation instructions precisely as listed on each driver Web page, including restarting and shutting down the computer when required.
follow the procedure below to resolve the issue. When the function keys, F5 and F6, which allow you to adjust the LCD brightness, do not work after upgrading to the Windows® 7 operating system.
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