Windows 10: regarding the graphics software

The file C:\Windows\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_a086f01cc7be643a\igdumdim64.dll,C:\Windows\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_a086f01cc7be643a\igd10iumd64.dll,C:\Windows\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_a086f01cc7be643a\igd10iumd64.dll,C:\Windows\System32\DriverStore\FileRepository\iigd_dch.inf_amd64_a086f01cc7be643a\igd12umd64.dll is not digitally signed, which means that it has not been tested by Microsoft's Windows Hardware Quali

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My radeon HD 8670m graphics card isn´t useable, after windows 10 update

Hi Cadwell,

Thank you for writing to Microsoft Community forum.

• What is the make and model of the machine?
  

I suggest you to install the latest graphics drivers from AMD Drivers and Support
and see if it works. This updated driver serves both the integrated and discrete graphics.

If the drivers fail to install, the possible causes could be:

• Missing critical or recommended Windows Updates.
  
• Graphics driver and software conflicts.
  
• False positives blocked by anti-virus software.
  

Make sure, all the Windows Updates are installed and follow the troubleshooting steps listed in
Troubleshooting Common AMD Graphics Driver Installation Problems and check if it works.

Let us know how it goes.

Regards,

 

Overclocking / Undervolting guide for Vega 56 or 64?

Here's a quick laundry list:

List of software to use for overclocking and testing
Examples:
Wattman (and how to find and use it, like an overview, including profiles)
Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

Step-by step overclocking in Wattman
Fan speeds
Power limit
Temp limit
Voltages
Core speeds
Memory speeds

 

Graphics card information.

Hi David,

Thank you for posting your query in Microsoft Community. Appreciate your interest in using Windows 10.

The error might occur if the Graphic card is cannot update the driver automatically.

I suggest you to update the graphic card manually by following the steps below:

• Press Windows key + X and click on
  Device manager.
• Expand Display Driver from the list.
• Right click on the Graphic driver and select
  update driver software.

Also, can download the latest version of the graphic card from the manufacturer website.

Hope the information is helpful. Please revert back with the necessary information and we’ll be glad to assist you.