Question about Acer Aspire™ T180 PC Desktop

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Nothing happens when I press power button - Acer Aspire™ T180 PC Desktop

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  • Acer Master
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1) Make sure THE receptacle in the surge protector that the computer is plugged into, has power. Plug an electrical device such as a table lamp for example, into THAT receptacle. I have had a few surge protectors where just THAT receptacle was bad.

2) Receptacle checks out, I suggest you see if the problem is the Power On switch, or the Power Supply.
(The Power On switch is located in the plastic Power On button.
This is an example of a generic ATX power on switch,

http://www.directron.com/atxswitch.html

The procedure involves bypassing the Power On switch.
If the Power Supply comes on you have a bad Power On switch.
If the Power Supply does Not come on, you have a bad Power Supply.

The procedure does not involve the wires of the Power On switch, nor the switch itself.
The procedure involves using a jumper on the ATX main power cable's connector.
Jumping from the Soft Power On wire (Green wire) to ANY Ground wire.
(ANY Black wire is a Ground wire)

The Acer Aspire T180 uses a 24-pin ATX main power cable.
The 24-pin ATX main power cable plugs into the motherboard, in-between the Ram Memory slots, (Slot 4), and the outside edge of the motherboard.

This shows you a typical 24-pin ATX main power cable, it's connector, and the matching female connector on the motherboard,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

This is to show you the motherboard, (Not advertising for the website, nor the seller),

http://cgi.ebay.com/Acer-Aspire-E380-T180-Motherboard-MCP61S-EM61SM-/140420704873?pt=Motherboards&hash=item20b1b9ea69

Scroll to the bottom of the page, and then click on -
Click to view supersized image

When you open your computer case, (Computer unplugged from power), you will see various cables, and hardware components, plugged into the motherboard.

Viewing the photo in the link above, look to the right of the Orange Ram Memory slot.
You will see the blue connector.

The opaque whitish connector to the right of it, and next to the outside edge of the motherboard, is where the 24-pin ATX main power cable plugs into.

Looking back at the link that shows the 24-pin ATX main power cable (Playtool link), look at the photo to the far right.
This is what you will see when you open your computer case.

View the Green wire.
Now view the Black wires.

The jumper wire you will fashion, will go down into the socket hole with the Green wire, and ANY Black wire.

One end of the jumper wire, will go down into the socket hole with the Green wire.
The other end of the jumper wire will go down into a socket hole with ANY Black wire.

The jumper wire will go down into the socket hole, Right next to the wire that is already in the socket hole.

(The Back of the connector is where the wires go in. The Front of the connector plugs into the motherboard.
The jumper wire goes into the Back of the connector, down into the socket holes, and right next to the existing wire that is already in the socket hole)

At the end of the power wires going down into the socket holes, is a metal terminal.
The metal terminal is pretty far down into the socket hole.
(Approximately 1/2 inch)
You need to ensure that the ends of the jumper wire Touch the metal terminals.

The jumper wire is fashioned from a paper clip.
The paper clip is first straightened out, then bent into a U-shape.
Black plastic electrical tape is wrapped around the bend of the U-shape.
This taped area is where you hold onto the jumper wire.

The voltage for the Green (Soft Power On) wire is 5 Volts DC.
Two D cell flashlight batteries produce 3 Volts DC.
Low, low voltage in case you are concerned of being shocked.

However, you may wish to wear a glove on the hand that holds the jumper wire.
There may be a small spark.

Suggest you lay the computer on it's side, computer case open, opening of the computer case up.
(Won't hurt the computer to operate laying on it's side)

Place the ends of the jumper wire into the socket holes.
The contact is no more than 2 seconds.

Power Supply comes on, you have a bad Power On switch.
Power Supply does not come on, you have a bad Power Supply.

The Power Supply is an ATX.
(ATX form factor.
The ATX form factor for a Power Supply is approximately 6 inches Wide, {Width},6 inches Long, {Length},and 3-1/2 inches Tall {Height)

It's a 250 Watt unit.

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Posted on Oct 08, 2010

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