screen bightness problem in inspiron 3521

Hi Neroz,

If you are using Windows 8, please make sure that all the latest Windows Updates are installed. Please update the video driver and BIOS of the system. Here are the steps:

Restart your system and click on the link: http://dell.to/18NmI2DEnter the Service Tag of your system and select the operating system.You will find the video driver under 'Video'.Click on the video driver depending on the video card your system has.Download and save the driver on your desktop.Once the driver is saved on desktop, right click on it and select 'Run as administrator'.Install the video driver by following the on screen instructions.Check if the issue is resolved or not.

If the issue still persists, update the system BIOS. Here are the steps:

Click on the below link: http://dell.to/18NmI2DEnter the Service Tag of your system and select the operating system.Go to 'BIOS' and click on the BIOS available.Download and save the driver on your desktop.Once the BIOS is downloaded on the desktop, right click on it and select 'Run as administrator'.Follow the prompts on screen and restart your computer.

Note: Make sure the ac adapter is connected and the battery is charged 10% or above to update the BIOS. Also, disconnect all the external peripherals before updating the BIOS. All the programs should be closed and documents saved.

Hope this helps. Please reply with the results.

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