First of all, it is essential to check that this issue is happening only after updating the system. If you are sure that it is happening due to the updates, then consider these things:

Make sure that you install the update fully.

Ensure that you update the system from an authentic source. For example, if you want to update your Windows 10 operating system, make sure the updates are from Microsoft only.

Check whether your battery is working fine. It can be the case that your PC is not working fine due to a defective battery.

Examine the other drivers and software is working fine too.

Make sure there are no viruses or malware files in your system.

What to do when your PC is still not working fine?
You can perform some simple methods yourself to get rid of this issue. Some of them are:

Restart your computer

Check and repair the system errors with command prompt

Uninstall the system updates in safe mode

Check hard drive and battery

Initiate a system restore

If you are still unable to figure out the issues, you need an expert who knows about all this. You can contact the Computer technical support company's technician to troubleshoot the problems.

Conclusion

Technical problems can be frustrating. Sometimes, you need expert advice to resolve such issues. If you are still facing this update issue, it is better to contact a computer tech support to make your computer work properly again.