We recommend you to try first with the manufacture of your equipment to get updates drivers due they are specific for your system, if they don't solve the problem, please visit our download center to get our updated drivers.
Please click en the following link: Intel® Download Center
It is important to fully uninstall installed video drivers first, them restart the computer and them you can install the newer version. If problem persist, please contact us again.\
On the link below you will be able to get the latest drivers for your computer with Windows 10:
As you can see under "Video" the driver version that Dell has available for your computer is 10.18.10.4242. We strongly recommend to use the ones provided by them since the drivers available on our website are generic versions and can be used for general purposes. However, computer original equipment manufacturers (OEMs) may have altered the features, incorporated customizations, or made other changes to the software or software packaging they provide. To avoid any potential installation incompatibilities on your OEM system.Intel and the computer original equipment manufacturer (OEM) may not provide technical support for some or all issues that could arise from the usage of this generic version of software drivers.
If you have more questions please let me know.
Intel HD Graphics 4000 and Windows 10 & Windows 8.1 ( Brightness fix with latest driver)
Brightness Fix with Driver Date 8/17/2015 )
Brightness problem Solved
Intel HD Graphics 4000 with NVIDIA® GeForce® GT650M graphics.
Intel HD Graphics 4000 Driver, Driver Date: 8/17/2015
Driver Version: 10.18.10.4276
Make sure you backup your registry first before proceeding!!!!
open regedit in Run Command
Registry has wrong value:
Currently reads as :
"Edit DWORD 32 bit"= f000
Registry with New Value:
You needed to change the value in registry to: ( f008 )
"Edit DWORD 32 bit"= f008
Then Restart Computer
Brightness Fixed with Latest driver.
Let me know if this was helpful to you