1. Visually inspect the capacitor for any physical damage such as bulging or leakage.
2. Discharge the capacitor to remove any residual charge by connecting it to a #resistor briefly.
3. Use either an #analog or digital #multimeter, measure the capacitance of the capacitor by connecting the leads to its terminals. Compare the measured value with the labeled capacitance to determine if it's within an acceptable range.
4. Consider using a capacitor ESR #tester to measure the equivalent series resistance for a more comprehensive evaluation.

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