Question about HP 1200W 12V 48VDC Rps for DL380 G5 DL385 G2 Power Supply
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Posted on Jan 02, 2017
SOURCE: pc no start.........
You might have a bad power supply. If you have a voltmeter, check the voltage of the standby power supply. This voltage is present even if the system is off, plugged in. It powers a small portion of the logic circuit. It should measure within a couple of tenths of exactly +5 volts. If it is low, or high, this will prevent turn-on. The purple wire of the 24 pin connector is what carries this to the motherboard. The color coding layout is found at http://pinouts.ru/Power/atx_v2_pinout.shtml If by chance this voltage is OK, then check the full on voltages also. Repair of the defective supply is probably by replacement of one or more small electrolytic capacitors in the appropriate circuit, especially if you are technically savvy. Capacitors are available through several suppliers; Digi-Key supplyies Panasonic FC series which are suitable for switching power supplies. Or, you may just replace the whole unit.
Posted on Apr 25, 2007
SOURCE: hp d220mt
Take the ram back out of the computer that you just installed and see if you have the same problem. If you do, a board or plug must have came loose when you were inside the unit. If the problem clears up, the ram you are trying to use is bad or not compatible with your computer. All ram is not alike. Good Luck
Posted on Nov 12, 2007
SOURCE: Loud Humming Noise from P/Supply
Yes, it is time to replace it. Open the case and make sure it is a standard size before you buy another one. Just measure length, width & height. You can put a higher wattage supply in there, it just won't have to work as hard to power your computer.
Posted on Apr 07, 2009
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