You can down load the HD graphics driver from the following link:
You need to choose the latest driver for you corresponding operating system.
Please note that these 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.
If you need further assistance, let me know what operating system you have and I’ll indicate an appropriate driver.