@Mert27 Welcome to HP Community!
I understand that the Spectre x360 does not exceed 25% of CPU usage.
Please perform the below steps and check.
Try updating the computer, this will install the latest updates -
Step 1 Windows Updates -
1) In the search box, type, and open Windows Updates.
2) Check for updates.
3) If the updates are available, click on install and restart the computer.
Step 2 Install updates using HP Support Assistant
- In the search box, type, and open HP Support Assistant.
- Check for updates.
- If the updates are available, click on install and restart the computer.
Note: If you do not have HP Support Assistant installed, Click here to download the same.
Please update the BIOS.
Keep us posted,
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Have a great day!