Lots of the computer repair issues are as a result of pathogen or bug. This is owed to the number of infected files you download. Before taking your PC to a specialist, it's great that you do a full scan using antivirus software. You can start this process by having the software installed and updated. Viruses are the top contributors of computer repair Problems.
If your personal computer fails to power on, it's good to check on all aspects before you take it to the consultant. There might be a loose power cord that will cause the issue. This is something that you can easily fix without using a specialist. Once you fix the cord and the computer fails to work, you can replace the rope.
It's also feasible to fix the problems of drive. If your computer powers on and shows errors, it is about time that you install a new hard drive. The corrupt files in the old hard drive might be the ones making the PC misbehave.