Step 8: Confirm Monitor is displayed again on the list. Click this button to scan for new hardware installed on your system (or in your case, the driver does not have Driver installed). This is a small square button with an image of a magnifying glass in front of the computer icon. Step 7: Click the Scan for hardware changes button in the corner of the same Device Manager. You should now see the Monitor item disappear. After the driver has been removed, the Device Manager list will be refreshed. Step 6: Wait a few minutes to uninstall the Driver. Now a new window will appear, in this window, check the box Delete the driver software for this device and then click OK to confirm. Step 3: Right-click Monitor select Properties. On the screen you can see a list of different items including Disk drives, Display adapters, Keyboards (keyboards). Missing Brightness Slider slider may be due to software error or Driver error, you can control on Monitor. In Device Manager you can control and adjust all hardware installations on your laptop. devmgmt.msc on the Search frame, then press Enter to open Device Manager. Step 1: Click to select Start Menu then enter. Restore lost Brightness Slider (on the laptop)
Once you have the brightness at the desired level, click the X in the upper-right corner to close the window.2. In the Power Options window, at the very bottom of the window, click to move the Screen brightness slider to the desired level. 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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