PC Diagnostics & Performance Optimization

I need an expert to run comprehensive diagnostics on my PC. The primary goal is to evaluate and enhance system performance. If you're equipped with a high-performance computer and advanced diagnostic software, I would like you to use it to conduct thorough checks and provide solutions to improve my PC's efficiency.

Ideal Skills:
- Expertise in PC hardware and software
- Experience in system performance optimization
- Proficiency in using diagnostic tools

Please, come prepared with your own advanced diagnostic software if possible.