HP Pavilion a1640n (RC663AA) PC Desktop "power supply test" Questions

...power supply and said it was working. Fans dont come on...nothing? it could be a mother board problem or Power supply issue. Even if the power supply works it wont supply required voltage to some ...

...power supply lamp is off...still response to power button 1) you must open the desktop and look for any connector loose2) test the power cord for open or replace2a) Test the power button for open or ...

power supply. Look at the back of the computer, check the voltage settings located near the power cord. This will be the small red tab indicating two different settings, If your in the US it should be

power supply, or your power supply is not coming on when it receives the signal from the motherboard. Most likely is failing power supply, but test your switch with a multi-meter, then test the signal

Power Supply. Weak Voltage power rail. Computer Power Supply's put out three Voltages. A) 3.3 Volts {Orange insulated wires) B) 5 Volts {Red wires} C) 12 Volts {Yellow wires} Each Voltage produced has

...power supply.... there seems some problem with ur smps or remove recently installed hardware You have power to the computer, but not enough. Bad Power Supply, with weak voltage power rail. 1) ALL the ...

...anything.5) see if the switch for change voltage is at 110 vca or 220vca6) test the power supply for +5VDC , and see if the fan are running otherwise is defective and replace p.supply.God bless ...

...desktop5) See if the switch for 110vca or 220vca is changed , adjust it6) Test the output power supply for  +5 VDC, and see if the fan are working from p.supply, replace if necessary.God bless ...

power supply has failed. You need to remove this power supply, take it to your friendly computer repair shop and get it tested, if it is faulty then replace it with a new one. Make sure the wattage is

...Power Supply. Before doing so suggest performing the simple test to see if the problem is the Power On button, or Power Supply. Test voltages coming out of Power Supply with a multimeter, or use a ...