Question about AcerPower 1000 (AP1000EA380M) PC Desktop

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Dvd rom spins up but no led on power sw and hdd does not spin. There is power on motherboard as heat sinks are getting warm

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The following is in relation to an Acer Power 1000 series desktop computer.

Suggest you check the Power Supply. A weak Voltage power rail can cause these symptoms.

Specifically the 12 Volt rail.

A) Heatsink's are getting warm? Computer case fans spinning?

Computer case fans spin a few times, and stop?
Another indication of a bad Power Supply
But if not, let's go on.

[ The Acer Power 1000 has a bad cooling design. I hope you have cleaned the inside of the computer, as well as the inside of the Power Supply, out on a regular basis as needed.

(Can of compressed air for computers, computer Unplugged from power. If you tip the can of compressed air when using it {Inevitable if you're doing a good job}, some of the propellant will come out.

The propellant freezes the moisture in the outside air, because it is coming out so fast. Therefore time should be allotted after cleaning, to let said moisture dissipate, before plugging the computer back into power )

I also hope you followed Anti-Static precautions, before reaching inside your unplugged from power, computer ]

1) ALL the LED lights use less than 1 Watt of power.
2) EACH fan uses 2 to 3 Watts. Those two tiny computer case fans probably use 2 Watts each.
3) A typical Processor uses 51 to 125 Watts.

[Volts times Amp's = Watts ]

The Acer Power 1000 comes with a AMD Athlon 64 X2 processor.

Can use up to 65 Watts. (Depends on which Athlon 64 X2 processor it is)

You don't have enough power to turn the Processor on.

With most of these types of solutions, I suggest checking the 12 Volt power rail, OR using a KNOWN to be good, Compatible power supply for a test unit.

Your Power Supply is unique to your computer. It isn't an ATX style of Power Supply, that you can buy just about anywhere.
It is also Expensive to replace.

[SFX -220 Watt power supply.
SFX = Small Form Factor]

Looking on the internet just know, I have seen prices averaging $68 USD.

My suggestion is to buy a economical multimeter, ($10 to $12), and check the 12 Volt Power rail, first.
Make sure the Power Supply is the problem, before purchasing a replacement.


A) Orange insulated wires are 3.3 Volts. (3 point 3)
B) Red wires are 5 Volts.
C) Yellow wires are 12 Volts.
[All are DC Voltage]
D) ALL Black wires are Ground wires.

All Yellow (12 Volt) wires, lead back to one 12 Volt power rail inside the Power Supply.
Therefore you can test ANY Yellow wire, and be testing the 12 Volt power rail.

I would like you to unplug the 4-pin ATX +12 Volt power cable, from your motherboard. Has two Yellow 12 Volt wires, and two Black ground wires.

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

Set the multimeter to DC Volts.
If there is more than one scale, set the function knob to the 0 to 50 Volt scale.

Insert the Positive lead (Red) of the multimeter, into the socket of one of the Yellow wires.
Insert the Negative probe lead (Black), into the socket of one of the Black wires.

Looking at the middle photo in the Playtool link, it shows the 4-pin +12 Volt power cable, unplugged.

You are looking at the front of this power cable, and can view the metal sockets inside the four openings.

Computer (Power Supply) plugged into power, press the Power On button.

11 to 13 Volts indicates a good Power Supply.
Less than 11 Volts means it's time to replace.

For questions concerning what I have stated here, please post in a Comment.

[By the way.
Your computer Power Supply, converts your household AC {Alternating Current}, into DC {Direct Current}.

{Either 120 Volts AC (USA), 240 Volts AC, (Europe), or 100 Volts AC, (Japan}

Converts the AC into the DC voltages stated above.

Two C cell flashlight batteries produce 3 Volts DC.

Posted on Jul 17, 2010

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If you can provide the Make

Posted on Jul 17, 2010

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