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emachine T2862 switch won`t start machine when pushed

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can`t start when switch in front is activated, replaced power supply and nothing, l.e.d. on motherboard does light up green. no fans, no h.d. noise , nada.............

16 replies

by hal 9000

You'll be fimilar with removing the side cover, so with that removed and an open view try pushing the Front Panel On Switch and see what if anything happens.

Do the fans Flick slightly at first?

Have you made sure that eveything is connected correctly when you replaced the PS? Recheck every connection particuarly any secondary Power Connections to the M'Board as well as any plug in components like Daughter Cards and RAM.

If that doesn't work you need to get slightly more involved here trace the front Power Switch and pull the wires off the M'Board just the 2 Front Panel Power Wires and check with a multi Meter for a circuit when the switch is pressed and no resistance but total resistance when the switch isn't pushed.

If this isn't happening you'll need to replace the switch or if you have some old switches lying around you can always try one of those on the M'Board to see if it works.

If that doesn't help you need to dismantle the entire system and start looking for problems under magnification. If you are uncomfortable doing this take it to a computer repair shop and let them fault find the problem.

Col

by htorres

check that everything connected correctly on ps installation, rechecked all secondary power connections to mboard as well as all plug in components like daughter cards and ram, tried another switch as you suggested, looked all over mother board under magnification, every thing looks clean and in order, old ps did not operate anything, no slight fan operation, no green mb led, new ps does light up led on mboard but nothing when switch activated.

by hal 9000

With some of the unbranded ones they can appear to work but not work correctly while still providing the 5 VDC Rail but nothing else.

If you previously had a Unbranded PS in the computer and it's failed it's possible that the PS has destroyed the M'Board. About the only available option I can suggest is to try to power up the system with a Known Good PS out of the case and see if you can get anything to work. You can short out the main Power Pins with a screwdriver to start the machine running if you don't have the spare LED's and Switches.

Col

by shiney69rr

they are the little things that are welded onto the board. If they are swollen they are bad. Too many of them make the board not start up.
Emachines used cheap ones on their systems. i had to recap the mobo myself. I did it for fun, but i do not recommend trying this yourself since the board may fry. check out this link to see a bad cap...

http://www.badcaps.net/images/caps/kt7/kt3.html
www.badcaps.com this guys will fix your board for a nominal fee.

by dancstewart

I saw your posting questioning whether there was "fan flicker". My fan flickers when turned on; however, when the aux. power (4 pin)from the mb is disconnected, the fan runs a high rpm. We have disconnected all the devices. Dead mb? Nothing on the monitor.

Thanks.
Dan

by balbir

The method i use in fault finding on a dead PC is to start with the bare minimum required to get the pc up and running.

So disconnect all the drives, and expension cards and leave only the memory motherboard and CPU connected. This should give you a continuous beep code (depending on what BIOS manufacturer you have) If this works, connect the graphics card and the rest of the components ONE at a time until it stops working. If it does not work with just the Board/CPU and memory then probably the M/B is faulty.If you have more than one memory cards fitted, try one memory card at a time. This will narrow it down to just the Motherboard or CPU. A good pointer is to look at the capacitors. If they are leaking or bulging at the top then the motherboard is probably faulty.
Balbir

by htorres

disconnected all the drives, expansion cards, left only the memory motherboard and cpu connected, no beep code tones at all, all capacitors show no bulging or leaking at all. But I do think your right about the motherboard being bad, I googled enough emachine sites to notice alot of mobos going bad, this machine is 2 years old and seldom used, its not left on....

by htorres

yes, I wasn`t sure if the new ps worked when installed in the t2862, so AI tried it in another t2792 and it worked, I tried the working ps out of the t2792 in the t2862 and nothing except the little green led on mb. I also tried a new cpu fan and nothing...........

by hal 9000

It sounds as if the M'Board has been killed when the PS took it's leave from the planet.

Depending on the particular setup you may be able to get a replacement M'Board for a 2 year old unit but you'll be pushing your luck with all the changes that have arisen in the past couple of years. You might like to look for a new M'Board CPU & Ram that will fit the case or a new system depending on how much money you have to spend.

Similarly you may find a replacement M'Board on E-Bay but if you go that way make sure that you use an Antec Power Supply as they will sacrifice themselves without damaging the internals of the computer in just about every case , about the only exception is when the M'Board fails and takes out the PS.

Col

by htorres

thank you, the mobo is gone to another planet, went to pc club just to verifi for my friend I was trying to help, suggested do not replace with any emachines, u get what u pay for......

by sks0816

I have been searching the internet all day trying to find
some info regarding this issue. My T2862 is two years old
and has been a great little home computer for the what I
paid for it. I have never had any problems until yesterday
... it will not start when the button is pressed. Knowing
nothing about the techincal aspects of comuters, I started
trying the basic things that any novice would attempt ...
unplugging and replacing the power cord, talking to it,
begging it to start, etc... I gave up on those efforts and
braved taking the side panel off just to look inside, but I
didn't know what I was looking at, so... so much for
that .... I did notice that there was a little green light on
inside and the fans are not working. There is a slight hum
inside, so the system has to be getting power. I called
Emachines tech number and was told that the problem
was possibly the motherboard or the power supply. Not
knowing one part from another, I logged on to my Apple (
old faithful) and started searching. The best price I found
for the parts ( and they are available at emachines) was in
a "replacement Kit" which is supposed to include a power
supply. If this is what is need to fix my T2862 it would
seem worth it for the price, but the notation on part no.
(101776) states that the operating system would have to
be reloaded and all of my data would be lost. Is there any
was to avoid losing all of my data?
Thanks,

Norah

by hal 9000

Unless you have it Encrypted.
If you have it encrypted you'll need to fit the HDD to a USB Caddy and connect it to another computer [b]Not your Apple[/b] but one thats is running Windows and can read the Partition type that you are using and then just copy your data & encryption keys over to another HDD

You'll need to take Ownership of the Files by following the directions here

http://tinyurl.com/3aw7

Save your Encryption key by following the directions here

http://tinyurl.com/orpmf

Then you can perform a reinstall or In place Install of the OS by following the directions here [b]Note that it's very important that you Do Not format the HDD when you are doing this or you will loose everything. If the E-Machines Recovery CD will not allow you to perform this without a format buy a new HDD and use that to install the OS to[/b]

http://tinyurl.com/g4bv8

Col

by robfuller

Yup - same problem here - Hmmm Seems that these boxes fail within 2 to 3 years.
Replaces PWS and MB - all other comp were in working order.
Sad the emachines only last so little.

by abrahamrobert

I got this computer from one of my Grandmother's friends. Wouldnt start up at all, took out the power supply, took it apart, and found an exploded capacitor. I replaced the supply with another that was from a simlar computer, and it now gets power, (green light on motherboard) but still will not start. No fans spinning, no lights on the exterior, nothing.

by mickire

I have a 7 month old emachines purchased from Best Buy. The pc stopped booting up at the 6 month mark the first time. I unplugged the power & replugged the monitor, thinking it just wasn't making contact for some reason. I put in the backup cd once after redoing everything & it worked fine for 1 month.
Now the warranty is completely gone from Best Buy, changed antivirus, etc.
7 months, 2 days old; it stops booting again. Now when I hit the escape button, it boots.
A pain in the rear but if that's what it takes, I'm not paying $30 a yr to take it in to Best Buy so they can clean it & "fix it" + $40 a yr to Trend for antivirus-that I cannot afford.
This is what worked for me. Hope it helps you too.
I also saw on another site that emachines tech told someone to unplug from ac, hold on button for 45 sec. then turn it back on & it will work. Didn't for me but maybe it will for you.

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