Fix – Missing Asus ACPI Driver Error on Windows PC

The Asus ACPI ( Advanced Configuration Power and Power Interface) is a crucial component for your Windows PC. It is a power management specification designed by the manufacturer to maintain a balanced hardware and software environment while consuming optimal power. Many Asus users have complained about the “Missing ACPI Drivers” error prompt appearing on their PC. 

The problem usually occurs when you have updated Windows on your PC. On every reboot or startup, the ACPI driver missing error appears as ACPI is responsible for managing PnP (Plug n Play) devices connected to your device’s power source. 

Fortunately, you can fix the missing Asus ACPI driver issue on your PC in two ways. Let’s check them out in this blog. 

Fix Missing Asus ACPI Driver Error on Windows 10/8/7 and 11

Before we jump to the fixes, it is crucial to identify the causes of the error. These issues often appear on your PC due to the following reasons –

• Improper system driver configuration.

• Damaged Drivers.

• Conflict with recently installed software/application.

• Damaged Registry Database.

• Virus Attacks
• Hardware changes like RAM upgrades.

Looking at the common issues, one can identify that the entire issue depends on the quality and compatibility of the drivers you are using. If they are outdated or not functioning properly, you may find errors on your PC. Now that you are aware of the errors, take a look at the following sure-shot fixes.

Fix 1 – Look for Driver Updates for ACPI Drivers

Usually, when a driver-related issue appears, the problem lies in the outdated version. Since drivers are an integral part of the operating system, no user pays attention to updating them timely. 

After an update is installed on your PC, basic utility drivers are also upgraded. However, since your PC manufacturers offer ACPI drivers, they sometimes stay outdated and cause errors. 

The ideal solution is to update the Asus ACPI drivers on your PC. To do so, simply follow the given steps. 

Step 1 – Press Windows + R to open the Run Search.
Step 2 – Use the Command devmgmt. msc to open the Device Manager.

Step 3 – Spot ACPI drivers in Device Manager.
Step 4 – Select and right-click on it to find the update driver option.
Step 5 – Windows Driver Update Utility will start. Simply follow the steps on the screen to get over with the process.  

Many users have shared that they cannot find updates for ACPI drivers using the device manager because the Asus ACPI options are unavailable. In that case, try the advanced method to update the existing drivers. 

It can be done using the Advanced Driver Updater. Here’s what you need to do – 

Step 1 – Download Advanced Driver Updater from the link below

Step 2 – Click on Start Scan Now

Step 3 – The scan will look for all the drivers installed on your PC, including the faulty Asus ACPI drivers.
Step 4 – Once the scan is over, it shows you the outdated drivers. Check that the ACPI drivers are listed there.

Step 5 – Click Update Now to resolve all your driver-related issues. 

Fix 2 – Uninstall the Asus Hotkeys Program from Your PC

Sometimes, the Asus Hotkeys program malfunctions and starts causing issues with the ACPI configuration. The ideal way to fix the ACPI driver error is to uninstall it. 

Step 1 – Press Windows + R to open the Run search
Step 2 – In the run search, use command control appwiz.cpl

Step 3 – This will take you straight to the uninstall manager in your control panel.

Step 4 – Spot the Asus Hotkeys Service and uninstall it right away.

Step 5 – Once all the components are removed, restart the system, and you may find the Asus ACPI driver error resolved. 

Other than these two fixes, updating your BIOS can also be helpful. However, it is recommended that you let a professional look at it sometimes. The issues lie with the power supply of your PC as well. 

No More ACPI Driver Error Prompts on Startup!

Opening your PC up to an error can be irritating. If the Asus ACPI driver missing error was causing troubles on your device, the above fixes might help you. Use them as you see fit and eliminate unnecessary issues on your PC. 

If any other issue appears in the process or you get stuck, please let us know in the comments, as we would love to help. Also, if you come across something that we missed out, share it in the discussions below, as it might help other users. 

Thanks for reading! Good Luck!

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