If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

How to use the PC Health Check app. Windows 11 Windows 10. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems.

Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.

Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

To enable JavaScript in Firefox, please review and follow the instructions provided at JavaScript settings for interactive web pages. This article describes step for users to allow all Web sites in the Internet zone to run JavaScript in Internet Explorer, Chrome, and Firefox.

Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

It's a good idea to create a recovery drive. That way, if your PC ever experiences a major issue such as hardware failure, you'll be able to use the recovery drive to reinstall Windows 11. Windows updates to improve security and PC performance periodically, so we recommend you recreate the recovery drive annually.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

If you don't see Startup Settings, tap or click Advanced options, and then tap or click Startup Settings. Tap or click Restart, and then wait while your computer restarts. On the Startup Settings screen, choose an option. Sign in to your computer with a user account that has administrator rights.