Question about E-Machines eMachines Desktop PC

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I have the same problem with my T3120 emachine.

I replaced the cheap parts of the computer such as the Power Supply, and CMOS chip, don't want to spend too much money on a dead CPU.
I mess around with the BIOS jumpers & power jumpers,
I tested each piece of hardware & everything seems find. My last and finale step is to try and flash the BIOS. I had the same problem with a custom computer I built, biosman.com flash my BIOS for me and it worked fine, I hope this will work. One problem I ran into is that people from biosman.com could not find a BIOS updated for Motherboard Model # K8MC51G LF and the FIC does not have the update either, so now I am trying to get in contact with emachines customer support to find a BIOS update

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Could be a 'gray market' machine! i've run into this before- basically 'your motherboard/bios' doesn't exist- good luck! boot up should show what your bios version is, look for that, rather than your motherboard version!
'my computer'- 'properties'- should have your bios info on it. use that info to find updated 'flash', if it's available.
good luck!

Posted on Oct 09, 2009

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Just dead, no power. not green light indicator power on rear


If there's no light on the power supply when you plug it in and you know that there's power to the cord then you have to replace the power supply. They are cheap and easy to replace. If you took it in to a computer repair shop it should only cost you no more than $75 with installation fee for a cheap replacement power supply. This machine doesn't need anything more than a low priced 400 to 500 Watt power supply since it's original one was only 200W. If you get a used one you should be able to get it for around $40 installed. Not sure where you are located but that's the norm in most of North America. Cheers

Nov 09, 2013 | Gateway Emachine Bestec ATX-250-12E PS...

1 Answer

Emachine t3120 has no image


The CMOS Battery on the motherboard may need replacing. Also double check the monitors ok (Simplest thing first)

May 05, 2013 | Computers & Internet

1 Answer

Emachine T 5212, when i turn it on,, a siren sounds,,then computer shuts off


In your computer (as well as other gadgets), the battery powers a chip called the Real Time Clock (RTC)chip. The RTC is essentially a quartz watch that runs all the time, whether or not the computer has power. The battery powers this clock. When the computer boots up, part of the process is to query the RTC to get the correct time and date. A little quartz clock like this might run for five to seven years off of a small battery. Then it is time to replace the battery.

This does not explain why your computer would not boot, however. You would expect the computer to boot fine but have an incorrect time and date. The reason your computer would not boot is because the RTC chip also contains 64 (or more) bytes of random access memory (RAM). The clock uses 10 bytes of this space, leaving 54 bytes for other purposes. The BIOS stores all sorts of information in the CMOS RAM area, like the number of floppy and hard disk drives, the hard disk drive type, etc. If the CMOS RAM loses power, the computer may not know anything about the hard disk configuration of your machine, and therefore it cannot boot.

Many more modern computers are not quite so dependent on the CMOS RAM. They store the settings innon-volatile RAM that works without any power at all. If the battery goes dead, the clock fails but the computer can still boot using the information in the non-volatile RAM area. I would change the battery and make sure unit is unplugged and my other hand is touching the metal frame on the computer to stop static discharge. Blow out the inside of the computer completely.Start computer with case off and make sure all the fans run and don't sound like a siren.Replace anything not running.It may not boot if the BIOS can't see the hard drives. You might have to start computer and watch the screen and when it asks you to hit a key to get into like the bios do it and see if you can reset it. If nothing seems be running right maybe the power supply went out they are real cheep at Tiger Direct.

Jan 24, 2013 | E-Machines eMachines Desktop PC

1 Answer

Desktop willnot come on


Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty



One bad lead can cause a computer to continue on a cycle of restarting or to shutdown or fail to detect/ boot up a computer hard drive



Test all leads that attach to your hard drive power and data cables IDE SATA

the leads from your MOTHERBOARD TO YOUR HARD DRIVE make sure they have a secure dust free connections and are not faulty or just replace them they could be faulty


make sure all leads that are attached to your dvd\cd floppy drives have secure connections and are not faulty or just replace them they could be faulty


computers need power and data to travel through every working device to continue its cycle and have an end so any faulty leads will end up with a computer error


even something as small as a faulty electrical or fan lead can cause you problems



motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail



check all electrical power input and extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working



also check the Cmos battery and computer RAM modules make sure they are securely seated with no dust built up or in the sockets on some motherboards cmos batteries are soldered in


check you CPU central processing unit make sure its securely seated and has thermal paste it might be getting to hot the thermal paste will help disperse the heat

Thermal compound is a sticky paste that is placed directly onto the CPU.


Allowing for a more direct heat transfer between the CPU and HEAT SINK and preventing air gaps from forming between the CPU and heat sink.

hope this helps

Aug 03, 2012 | eMachines T3120 Power Supply Part Number...

1 Answer

I need the sm bus controller drivers for emachines t3120 with intell


Either use the E-machines supplied chipset driver
http://support.gateway.com/us/en/emac/product/default.aspx?tab=1&modelId=1554

Or use the more up to date nvidia driver (much better option)
http://www.nvidia.com/Download/Find.aspx?lang=en-us

You have a GeForce 6100 chipset if you deside to go the nvidia route.

Why do you mention intel? There is not a single intel chip in that PC?

Jun 25, 2011 | E-Machines T3120 PC Desktop

2 Answers

EMachine el1831-01 - computer continue to shut down after being on for a short time. Is it the power supply, harddrive or motherboard problems


Power supply unit is going out this is a good indication that it needs to be replaced. If it was the board it would not run at all or the hard drive would not load. The power supply is bad replace. Thanks for using FixYa! John

Feb 16, 2011 | E-Machines eMachines Desktop PC

1 Answer

No picture on EMACHINE T3120, COULD THIS BE CAUSED FROM AN ISSUE WITH THE POWER SUPPLY?


Not likely, if it powers up and the LED blinks indicating that the hard drive is working then its most likely the video card or the motherboard.

If you press power and you hear the fan and hard drive power up the power supply is working if none of that happens then you know that the power supply is done they are cheap $40 at newegg.

If you get a picture at first but then it goes black it could be a driver that is not compatible. If so you will have to go into "safe mode" and see what isn't loading correctly.

Had a similar issue with a computer swapped out the video card and the power supply, wasn't worth putting money into a new motherboard.

Just for fun make sure none of the pins are bent on the connectors

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My emachines t4510 powers up but get no signal to monitor


the e-machine was junk from the factory with a low life span. there disposable

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Emachine W2047 No BIOS Start Screen


Replace motherboard. Processor socket burnt out, contact me for further support at compdoctor2005@btinternet.com

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