Nope. You have to have a known good power supply. As for prices, the best buy is for new ones out of China. I ordered four in for the 20" machines 9 days ago but still don't have them. http://www.ebay.com/itm/231926903716?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
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Made sure of your model by looking on the bottom of the stand and i'll see if I can get you the correct part number.
Nope. You have to have a known good power supply. As for prices, the best buy is for new ones out of China. I ordered four in for the 20" machines 9 days ago but still don't have them. http://www.ebay.com/itm/231926903716?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT