Please uninstall all Intel Graphics driver related programs that appear on your computer. You can see them under Control Panel - Programs - Programs and Features and then search for them and uninstall, again, Intel Graphics related programs only.
After you do that you can download the driver that appears on the link below:
Please note that those software drivers 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 recommends that you check with your OEM and use the software provided by your system manufacturer. 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 the driver does not work please get another update version from Dell, which is the manufacturer of your computer and they are fully responsible of the support of your computer as well.
If you have more questions please let me know.