Final answer:
When facing computer hardware problems without the necessary skills to repair them, one should contact a computer repair specialist to ensure the issue is handled safely and effectively.
Step-by-step explanation:
If you are encountering computer hardware problems and are unsure how to fix them, the most suitable approach is b. contact a computer repair specialist since you do not have training in such repairs. This is because computer hardware can be complex, and trying to fix it without the necessary knowledge could end up causing further damage or even pose safety risks. Specialists are trained to diagnose and resolve issues with hardware efficiently and safely, ensuring that your computer system is properly repaired and your data is protected.