The vendor claims the adapter will work with this computer. The smart pin (3) voltage tests: 0 VDC (unloaded).The inner ring (2) voltage tests: 19.63 VDC.Vendor description: Replacement HP 482133-001 AC Adapter Charger Power Supply Cord The main label on the underside reads: Replacement AC Adapter INPUT 100-240V 1.5A 50/60Hz OUTPUT 19V 7.1A The side has a sticker with YALL-2014-10, S1135. This adapter has no standard part number on the unit. HP DC7900 USDT Ultra slim Desktop Modification of Aftermarket Power AdapterĬhinese made aftermarket AC Adapter for HP DC7900 USDT Ultra slim Desktop. It is presumed that factors such as a charging battery or processor work on the laptop will increase the load, causing further voltage drop on the smart pin. With the laptop connected, the "load" becomes present, which will reduce voltage across the smart pin. Unloaded meaning that the volt meter does not provide the completion of a circuit. The smart pin (3) voltage tests: 18.81 VDC (unloaded).The inner ring (2) voltage tests: 19.40 VDC.2 Modification of Aftermarket Power AdapterĮquipment Testing HP Pavilion dv7-4276nr Laptop -w- OEM PPP012A-S AC Power Adapter.1.1 HP Pavilion dv7-4276nr Laptop -w- OEM PPP012A-S AC Power Adapter.
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