What refurbished laptop are people actually happy with long term?

[QuantumLeap53]

Wanted a proper answer rather than another generic guide.

Real world performance is what matters, not benchmark numbers.

The obvious route might be right but I wanted to check before committing to it.

I would rather have a qualified answer that acknowledges uncertainty than a confident one that turns out to be wrong.

Let me know what you think.

[Cheeky Blake]

I have had mixed results with that approach. Most people skip the diagnostic step and go straight to reinstalling things unnecessarily.

Should sort it if the basics are fine.

I always check startup items and background processes first.

[DeepInlet]

Same thing happened to me. Might go back to it.

An SSD upgrade is still the single biggest performance gain on most older machines.