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You can try with the Intel® Driver Update Utility to download the driver; you can download it at the following link:
You can also try uninstalling the driver and reinstalling it, you can download the latest driver for the Intel HD Graphics 4600 at the following link:
Please be aware that Intel provides generic versions of drivers for general purposes. Your computer manufacturer may have altered the features, incorporated customizations, or made other changes to your driver. Intel recommends you contact your computer manufacturer for the latest system specific updates and technical support information.
Thank you Ivan for your answer, I tried to uninstall the driver and reinstall it, but it didn't work. Today I'm planning to try to solve it with the Intel Driver Update Utility, and in the meantime I'm trying to contact my computer manufacturer's support.
Thank you again for your advice,
Thank you and please let me know how it goes.