If you rely on your computer every day to get work done, you can't afford to risk any downtime. We can perform all the preventative measures to make sure computer problems stay far, far way. You won't have to worry about data loss if your files are consistently backed up. You won't have to worry about viruses if your virus definitions and software are always up to date and you have ad-blockers installed and working. You won't have to worry about your system overheating if it is kept free from dust and debris that might get inside the case.
Periodic check-ups will ensure that your system always stays reliable, and when the time draws near to replace it, you will know what to do.