The igfxDH.dll file is a Dynamic Link Library (DLL) commonly associated with Intel Graphics hardware and its corresponding device drivers. The DLL is part of the Intel Graphics Media Accelerator Driver software package and is responsible for functionalities related to the Display Hook component of Intel Graphics.
The name "igfxDH" stands for Intel Graphics Display Hook, and it typically interacts with the graphics card to assist with features like screen resolutions, display orientations, and multiple monitor setups. The file may provide features such as hardware acceleration, advanced display settings, or other graphical functionalities that are specific to Intel Graphics hardware.
This file is usually installed automatically when you install or update Intel Graphics drivers, and it's generally located within the System32 directory or within the installation directory of the Intel Graphics drivers. Being a part of the driver package, it's essential for the proper functioning of the associated Intel Graphics hardware. Manually deleting or altering this file could lead to problems such as graphical glitches, loss of display settings, or even system instability.
If you encounter issues or errors related to igfxDH.dll, the general troubleshooting steps may involve updating your Intel Graphics drivers to the latest version, rolling back to a previous driver if a new update caused the issue, or reinstalling the driver package. You might also consider running system file checks or using built-in or third-party diagnostic tools to examine the health of your system and drivers.