Win8 installation update driver prompts third-party INF does not contain digital signature information solution

The original notebook is Win7 system, and installed a Win8 system, became a dual system, Win7 is the main system, open the computer, enter Win8, Found that some hardware can not be used, to the "device manager", a few devices have not installed the driver, but for me to backup all the drivers of the device, is backed up under the Win7 system, so use Backup to update the device without the driver installed, the results found that the update is not, the prompt "third-party INF does not contain digital signature information", so the driver code signature is disabled in the group policy, the result is still not updated, so the Internet query, Only understand that the driver installation of Win8 is much stricter than the previous Win7, you must disable the digital driver signature to start, the specific steps are as follows.

Methods/Steps

First introduce how to use the backup driver to update the driver. First, go to Settings -> Control Panel -> Hardware Information -> Enter Device Manager, find the device that is not installed by the driver (PCI encryption/decryption controller), there will be a yellow warning sign in front. After selecting this item, right click and click “Update Driver” in the menu.

Go to the update driver selection window, choose whether to search automatically, or select manual search. Here, select “ browse the computer to find the driver software & rdquo;

Since it is your own search, of course, you must indicate where the driver is saved. First press the “Browse” button to open the folder selection box.

Updating the driver will not select a file, but will select a folder, find the pre-backed folder, press “OK”.

After the driver folder is specified, press “Next” to start the update. The result prompts that the update encounters a problem. The third-party INF does not contain digital signature information, and has been updated countless times. A hint.

The following is the solution step. First enter the Win8 system. On the lower right side of the screen, shake the mouse a few times, call up the menu, or use the Win+C key to directly call up the Charm menu. Select that gear icon, the “Set” button.

After opening the settings, at the bottom, there is a "computer more settings> this item, click once.

Enter the computer settings window, first find the "General" on the left side, then go to the right window, drag the scroll bar on the right to the bottom, find "advance settings" ” This item has a “Restart Now” button and click.

After entering the restart (in fact, it is a fake restart), in the "Select an option", find and click "Troubleshooting".

From here, because you can't take screenshots, you can only use the shooting method, not so clear, and include points.

In the Troubleshooting window, find the “Advanced Options> option and click to enter.

In the Advanced Options window, there are many options. Here, just select “Start Settings”

Then enter the setup window, in this window, just introduce the problem to be solved by restarting, and there is no option to choose, just press “restart” button, press this button Is the real restart of the computer.

After restarting the computer, you will enter the advanced options, which are mainly options for solving computer problems, security mode, security mode with command prompt, mode adjustment, etc., one of which is “ Disable driver mandatory signature & rdquo; if it is an English option, its name is "Disable Driver Signature Enforcement".

After re-entering the system, enter the device manager window and re-update the driver of the device (PCI encryption/decryption controller) by following steps 1-5. .

When the update is official, a window will pop up. This is the most important window. The prompt "Windows cannot verify the publisher of this driver software" has two options. One is "Do not install this driver software" and "Always install this driver software", be sure to select "Always install this driver software", this item, after updating the driver, you do not need to go through Windows verified driver digital signature information.

After selecting "Always install this driver software", the installation will continue, and the installation will be completed normally. The driver is finally installed successfully, and no unsuccessful prompts pop up.

Notes

If it is a single Win8 system, or Win8 is the main system, in the above step 12, the execution method is different, not according to “restart” Press the keypad number 7 directly, or press F7. .

The above is the Win8 installation update driver prompt third-party INF does not contain digital signature information solution introduction, we understand? Just follow the steps above!