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Lenovo System Update Service High CPU usage - Upgraded Tamilan
Lenovo System Update Service High CPU usage

Lenovo System Update Service High CPU usage

Lenovo System Update Service comes preinstalled on most Lenovo computers. It scans and updates Lenovo drivers, BIOS, and software. So, it will take some resources, but according to some users, Lenovo System Update Service is showing high CPU usage. In this article, we are going to see what you can do to fix the error.

Lenovo System Update Service High CPU usage

Fix Lenovo System Update Service High CPU usage

If your Windows 11/10 computer is experiencing high CPU usage by the Lenovo System Update Service, check out the following solutions to resolve the issue.

  1. Kill Lenovo System Update Service and restart
  2. Update Lenovo System Update Service
  3. Disable Lenovo System Update Automatic Updating
  4. Remove Lenovo System Update Service

Let us talk about them in detail.

1] Kill Lenovo System Update Service and restart

Let us start with the first solution, you need to end the process and then restart your computer. So, open Task Manager, right-click on Lenovo System Update Service and click End Process. Now, restart your system. When you stop the service, the update will be paused, and restarting Windows will resume it. Hopefully, this time, it won’t take a whole lot of processing power.

2] Update Lenovo System Update Service

You may also face the error in question if you are using an older version of the service. There is a bug that’s causing high CPU usage. To fix it, you should download and install the latest version of Lenovo System Update Service from support.lenovo.com. Hopefully, this will do the trick for you.

3] Disable Lenovo System Update Automatic Updating


Lenovo System Update has an option that automatically updates the outdated software component of your system once the update is available. To do that, it keeps on checking for updates from time to time. The problem has been noted on various devices and the best solution users come up with is to disable the automatic updating option and see if that works. Follow the prescribed steps to do the same.

  1. Open System Update by searching it out of the Start Menu.
  2. Go to Schedule updates under the Advanced tab.
  3. Untick Enable weekly checks for updates.
  4. Click Save.

Hopefully, this will do the trick for you.

You can also try doing the same using the Registry Editor.


First of all, search out “Registry Editor” from the Start Menu and go to the following location.

For 64-bit OS:

ComputerHKEY_LOCAL_MACHINESOFTWAREWOW6432NodeLenovoSystem UpdatePreferencesUserSettingsScheduler

For 32-bit OS:

ComputerHKEY_LOCAL_MACHINESOFTWARELenovoSystem UpdatePreferencesUserSettingsScheduler

Look for SchedularAbility and set the Value data to NO. Click on OK to confirm. Finally, restart your computer and see if the issue persists. You can manually open the app and look for updates, but it will not take a toll on your CPU by constantly checking for updates.

4] Remove Lenovo System Update Service

If nothing works, then your last resort should be to uninstall Lenovo System Update Service. This won’t mean that you won’t be able to update drivers, in fact, we will show you some simple methods to keep your driver updated hereinafter.

  1. Open Settings.
  2. Go to Apps > Apps & Features.
  3. Search for “Lenovo System Update”.
  4. For Windows 11: Click on the three vertical dots and select Uninstall. For Windows 10: Click on the app and select Uninstall.

After uninstalling the app, restart your computer and you won’t have to deal with the high CPU usage issue caused by the service. Now, to update your drivers, you can pick any of the following methods as they are not going to take a toll on your CPU.

You can also update BIOS on your computer, so, there is nothing to worry about.

That’s it!

Why is my CPU usage so high Lenovo?

There are various reasons why that can cause high CPU usage. If it’s nothing more than a glitch then you can just end the task and everything will fall onto its place. But usually, that’s not the case, users tend to experience a high surge in CPU usage due to various peculiar things. We would recommend you check our guide on how to fix high CPU usage. It is a detailed guide that takes all the reasons in mind and then spun solutions, you will be able to resolve your issue using it.

Also Read:

Yes, you can stop Lenovo Update Service as long as Windows Update and Optional Updates are working. Those two will make sure that your computer is not outdated and is not vulnerable to any errors. For more detail on this, check the fourth solution.

Also Check: Lenovo ThinkPad missing drivers? Download & install them properly!

Lenovo System Update Service High CPU usage

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