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The emachine model C2881 was released in early 2006.

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Only come on when power chord plugs in then turns back off.

Why does my emachines C2881 only come on when you pull the power chord then plug it back in. It runs like it's starting up but then it turns off.

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Hi @patriciagarrard

Disconnect the power to the PC and then open it up and remove the RTC coin cell battery from the motherboard and then press and hold the PC's Power button for a full 30 seconds and then release. Note: Check the orientation of the battery before removing it from the battery holder on the board. Usually it is +ve on top as seen on the battery.

Whilst the battery is out measure its voltage. If it is<2.4V DC replace it. The battery model number is printed on the battery itself. Usually it's a CR2032 which is commonly available e.g. supermarkets. If you don't have a voltmeter then if the battery is >5 years old replace it anyway.

The battery is a non rechargeable Lithium type battery and it usually lasts for 4-6 years. Its function is to maintain the BIOS settings when the power is turned off and if it gets too low the BIOS can become corrupted preventing a normal start.

You may find that when you have reinserted the battery (check that the orientation of the battery is as before) and reassemble the PC that when you turn it on, there may be a message saying the the date and time are incorrect. This is normal as the BIOS has been reset back to its factory default condition. Once the date and time have been adjusted, the message won't appear the next time that the PC is started.

Here's the system battery replacement procedure from the user manual that may help.

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I replaced the battery and followed the instructions and when I plugged the power cord in it did the same thing only this time there was a loud long beeping sound before it turns off. I also noticed that the fan on the power supply did not run.

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@patriciagarrard

How many beeps are being heard?

Beeps are an error code so knowing the number of times it beeps will help to know what's wrong.

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@patriciagarrard

It sounds like a motherboard problem.

Disconnect the power to the PC and then reseat i.e. remove/reinsert the memory modules, reconnect the power and check what happens

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All fans came on and one long beep then it kicked off.

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Patricia Garrard будет вечно благодарен.
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