Faulty PSU undervolt, safe to use PC?

[Turtel]

When playing with uncapped FPS I get coil whine and my PC also freezes up occasionally (always for a sec when loading), could i still use my PC without damaging components?

 

[Dark Lord of Tech]

Make and model?

 

[Turtel]

XFX TS750w 80+ bronze

 

[Turtel]

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