Testing used gaming pc

Oct 28, 2018
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In a few days im going to pick up a gaming pc from someone and before I buy I want to make sure everything runs the way it is supposed to. How would I test the components of the pc to know what’s right or wrong?
 
Do you know the specs of the system ahead of time?

1. Verify that the specs advertised match what you're seeing. CPU-Z &/or GPU-Z can be good tools here.
2. Confirm temperatures are in check. Run a stress test and monitor temps. HWMonitor coupled with Aida64 and Heaven benchmark would be pretty comprehensive.
3. Actually test it, doing what you want it for. If gaming, fire up a game you intend to play and see how it performs.

As an FYI, just because it may "work" at the time, doesn;'t guarantee long-term stability.
On components like a CPU etc, that's generally fine.
People tend to cheap out on their PSU though, and over time, that can be problematic.