You could test swapping the power wire or check the continuity to find out Should the cord is Functioning very well. Remove any type of surge suppressor or UPS and link the power twine on to the wall outlet. Check out the capacitors, if any of these are bulging or https://power-supplies-refurbishm09887.answerblogs.com/30398627/examine-this-report-on-power-supplies-refurbishment