Top 5 Fixed for Event ID 55 Kernel Processor Power on PC

If you receive Event ID 55 in Windows Event Viewer, it indicates that the Kernel Processor Power event occurs. Usually, this issue crops up when the system experiences an issue with the power management of the processor. If you have the same question, then this guide on MiniTool Website is for you.

Windows 10 Event ID 55

It is reported that the occurrence of Event ID 55 will influence system performance negatively. If your computer exhibits unusual behaviour because of Event ID 55, don’t worry! In this post, we will list the causes and solutions for you. Event ID 55 can be caused by multiple factors including corrupted system files, hardware issues, driver issues, incorrect power settings and more.

How to Fix Event ID 55 Windows 10 Kernel Processor Power?

Fix 1: Repair Corrupted System Files

First, you can run the combination of SFC & DISM tool to scan and repair corrupted system files. Here’s how to do it:

Step 1. Type cmd in the search bar and hit Enter to locate Command Prompt.

Step 2. Right-click on it to choose run it with administrative rights.

Step 3. In the command window, type sfc /scannow and hit Enter.

Step 4. If it returns an error, run the following command one by one and don’t forget to press Enter after each command.

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

Fix 2: Change Power Options

You need to change the maximum processor power state to make your CPU run at the maximum state. Also, in case your hard disk is set to turn off after a period of idle time to save power, configure the power options as follows:

Step 1. Press Win S to evoke the search bar.

Step 2. Type Edit power plan and hit Enter.

Step 3. In the Edit Plan Settings, click on Change advanced power settings.

Step 4. Expand Hard disk and then set Turn off hard disk after to Never.

Step 5. Expand Sleep and set Sleep after to Never.

Step 6. Expand Processor power management > Maximum processor state > set it to 100%.

Step 7. Expand System cooling policy > set it o Active to ensure there will be no overheating.

Step 8. Click Apply & OK to save the changes.

Fix 3: Run Power Troubleshooter

Another solution for Event ID 55 is to run the Power troubleshooter. To do so:

Step 1. Press Win I to launch Windows Settings.

Step 2. Go to Update & Security > Troubleshoot > Additional troubleshooters.

Step 3. Scroll down to find Power > hit it > press Run the troubleshooter.

Fix 4: Run Hardware and Device Troubleshooter

If there are some issues with hardware and devices on your computer, you can use the powerful inbuilt utility – Hardware and Devices Troubleshooter to fix them. To perform this task, you need:  

Step 1. Run Command Prompt as an administrator.

Step 2. Type msdt.exe -id DeviceDiagnostic and hit Enter to start troubleshooting various hardware issues on your computer.

Fix 5: Update Driver

If your device drivers are outdated, you might also receive Event ID 55. Follow these steps to update them:

Step 1. Press Win I to open Windows Settings.

Step 2. Go to Update & Security > Windows Update > Check for updates. Then, you will update to the latest Windows version and your drivers will also be updated automatically.

Fix 6: Repair Install Windows 10

If everything fails to solve Event ID 55 Windows 10 Kernel Processor Power, the last option is to repair install your Windows 10.

Step 1. Go to the official Microsoft website to download Windows 10 Installation Media on your computer.

Step 2. After downloading, run Media Creation Tool > accept the terms> choose Create installation media for another PC > select language edition, and architecture > tick USB flash drive > hit Finish.

Step 3. Open the computer you want to upgrade > open its File Explorer > plug in the USB drive and click on Setup.exe > accept the license terms > confirm files, apps and settings are kept > follow the on-screen instructions to start the process.

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