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You are watching: How to check power supply wattage without opening


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http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01815020&lang=en&cc=us&contentType=SupportFAQ&prodSeriesId=3942799&prodTypeId=12454250W
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No, not unless you can read the label information from outside the case, and I don"t think that"s possible. Unlike the motherboard or processor, the PSU isn"t intelligent, so you can"t run software that will interrogate it and find out what it is. You have to open the case and read the label.
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If it"s a generic brand name computer, it"s most likely 300W. "HP Windows Vista Home basic Ready made PC" isn"t a model number, though. Look on the front of your computer.
Can you tell from this information?Model #: p6140inProduct #: KY645AA-ACJSerial #: INA93404F1Software Build #: 93APv3PrA2Service ID #: 101-409PCBRAND: Pavilion
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01815020&lang=en&cc=us&contentType=SupportFAQ&prodSeriesId=3942799&prodTypeId=12454250W
You can check that by going to the UL website and entering the model number and serial number. This page tells you how to do that: http://www.slrfc.org.com/reviews/power-supply-oem-manufacturer,2913-3.html
Can you tell from this information?Model #: p6140inProduct #: KY645AA-ACJSerial #: INA93404F1Software Build #: 93APv3PrA2Service ID #: 101-409PCBRAND: Pavilion


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Yes, go here and input that information again: http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm