Question about E-Machines eMachines Desktop PC

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Computer My computer won't turn on.... no LED when you hit the power button on the front, no fan and no booting sounds. I bought another power supply unit and put it in.... it has a switch on the back (the original power supply did not) .... the power supply turns on and the fans run but the computer is still dead. Is there something else to try or replace. I read somewhere about replacing the motherboard.... is that the next option? or the CPU? I will need to figure out what these are first... but which is the most likely culprit and is there a way to test first before buying more parts? Thanks so much.

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Try to remove the motherboard from the casing. upon reinstalling the motherboard make sure the screw are well tighten and the contact with the case is well and good.

Posted on Mar 21, 2008

I had the same problem with an eMachines I have now collecting dust in a corner. It could be two things: Motherboard is damaged or CPU is fried.

Posted on Mar 18, 2008

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I would get the ezack one that came out of it and put that one back in. try it, the if it does not work I would replace the mother board

Posted on Mar 15, 2008

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2 Answers

Hp probook 4710s won't boot


Hello, it sounds like the the graphics processing unit has over heated and has a bad connection on the motherboard. There is a repair for this and it requires a desoldering station, thermal paste, and fan modding if your up to the challenge it can be done. Hope this helps.

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Feb 22, 2013 | HP ProBook 4710s Notebook

1 Answer

PCV R44G, won't boot, no fans, won' turn on.


Remove the Power Cord, Open the Case and remove one of thememory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x onit with an ink pen. If it fails to boot then move the chip to the nextmemory slot and try rebooting. If it fails take the chip out and set itaside, then put the other chip in and try booting it in both slots. If itboots, just to verify that the chip set aside is bad, mark an x on it and putit into the open memory chip slot and try booting.

Apr 22, 2012 | Sony Computers & Internet

1 Answer

Why is my Dell Optiplex 320 indicating orange led and not booting nor display?


check the ram.change the slot and disconnect the hardrive before that

Apr 19, 2012 | Dell Computers & Internet

2 Answers

When the computer on/off button is pressed , the CPU fan and tower exhaust fans start running, the blue light around the power button does not light and the boot up process goes no further. Fans continue...


A) When you hold a Power On button, (Switch actually), in for a count of 10 seconds, it turns the computer off.

(There is a Power On switch, located behind the plastic Power On button. Usually, the Power On switch snaps into the housing of the plastic Power On button.

Example of a typical ATX Power On switch,

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

The Power On switch turns the Power Supply on.

Old computers had a metal rod, that when the Power On button was depressed, the button pushed against the metal rod, which in turn pressed against a power switch located inside the Power Supply.

The design after that, was a power switch located in the Front Panel. (Plastic front of the computer) A large cable, (Wire) ran from the switch to the Power Supply.

Now there is the Soft Power On feature. (PS_ON)

The Power On switch is a small Momentary Contact Switch. Pressing it closes a circuit. The Soft Power On circuit.

When a power supply is plugged into power, there is a constant 5 Volts (DC) present.
This is the 5 Volt Standby.

Closing the Soft Power On circuit, redirects the 5 Volt Standby power to a circuit within the Power Supply.
This in turn 'excites' the Power Supply, and turns the Power Supply on.

Sorry to be windy, but I wanted you to know how the Soft Power On feature works )

eMachines are a budget computer. As such they save the consumer money.
However in order to do this, the manufacturer will install low quality parts, in some areas of the computer.

One such part is the Power Supply.

1) ALL the LED lights combined use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts

3) A typical Processor can use 51 to 125 Watts.
Depends on what Processor it is.
(Had you stated the Model Number I could have told you)

Enough power to spin fans, but not enough to spin fans, AND turn the Processor on.

Do you have access to another computer that is unused, but has a Known to be good, Compatible power supply?
It could be used for a test unit.

Tell me the Series, and Model Number of your eMachines, and I'll tell you what Wattage it should have, and what power cables, for the Power Supply.

(Some examples of Series, and Model Numbers, T1090, E4264, W2925, and so on. The T, E, and W are a few examples of the Series letter.
The numbers following the Series letter, is the Model Number)

If you wish I can direct you in removing the Power Supply, and installing the test unit. (And/Or a new Power Supply)

Sep 12, 2010 | E-Machines eMachines Desktop PC

1 Answer

Imac g5 17 gets some power but no display


Assuming you have the model with four diagnostic LEDs, the lack of LED-3 indicates that the computer and the LCD display are NOT communicating. This LED should be ON when the computer is turned on and video signal is being generated.
The first solution is to reset the PRAM (hold command-option-P-R after the boot chime until you hear another boot chime). If video does not appear, then power down the computer and reset the SMU by pressing the SMU button ONCE ONLY. (The SMU button is located just south of the fan housing and is the button further away from the fan; the other button is a power button.) If this does not fix the video, the next step is to remove the optical drive. If this does not fix the video, put everything back together and attach an external display using the dongle supplied with the unit. If the external display fails to work, you have a logic board problem; otherwise, you have an LCD panel, inverter, or cable problem.

Mar 30, 2010 | Apple iMac G5 Desktop

2 Answers

Front panel Ac Switch failing to start computer.


Try these steps.
If Power supply light does not turn on (or no power supply LED)
Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure:
NOTE: If the Power Supply fan spins when the PC is turned on but the light does not come on, it is possible the LED is defective. If this is the case, use the section Power supply light comes on or flashes .
1. Disconnect everything from the PC, including the power cord.
2. With the power cord disconnected, press the power button on the front of the computer. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
3. Replace the power cord with another power cord, like the one used by the monitor.
Test to see if the computer can turn on. If not, continue using these steps.
4. Ensure that the voltage selector switch is on the correct setting, 115V for North America.
5. With the power cord removed, flip the red voltage selector switch to the opposite position, wait about five seconds, and then switch the red voltage selector switch back to its original location.
This ensures that the voltage switch is engaged and set correctly for your country/region.
6. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
7. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
8. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it.
9. Use a vacuum cleaner to remove the build-up of dust from the power supply fan vent holes. Make sure that the PC is turned off and that the power cord is plugged into a grounded outlet. Only use the end of the vacuum hose near the outside of the fan entrance.
Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
10. If all of the above steps have been tried and the power supply light remains off, use the steps in the next section, use the next section Power supply light comes on or flashes , to reseat the cables and check the power switch connector.

Jan 11, 2009 | Compaq Presario SR1000T (568657) PC...

2 Answers

No booting


plz try with new power supply

May 22, 2008 | Computers & Internet

1 Answer

Power LED on but no boot up


it could be your power switch, veriy that it isnt the power supply by

1.) un-plug it from the main board
2.) look at the main board connector(one coming of the power supply)
3.) you should see green wire and next to it a black one
4.) using a paper clip bridge the too wires
5.) if it works proceed to net step if not get a new power supply

to check case switch and board switch

1.) plug in power supply to main board
2.) look at the pins where the power button connects to
3.) using a metal object (blade screw driver) bridge the pins

if the board should start up>
then its your power button on the case that is bad, you can try to repair it, chage it or buy a new case,

if it doesnt work.
1.) ensure that jcms(jumper to flash the bios) is set correctly
2.) unjack each drive one at a time to see if any is causing stalling
3.) get a new main board

Jan 02, 2008 | EliteGroup L7VMM2 Motherboard

1 Answer

New Computer Wont Boot!


when you say "the fan makes a noise like its getting ready to spin", which fan...power supply's or cpu? if you answer power supply, then the POWER OK signal is not returning to power supply and it then quickly shuts down to prevent further damage. double check a firm connection to mother board. If you answer CPU, then it becomes far more complicated. Try re-seating the memory chips.

Jun 05, 2007 | Systemax Venture PC Desktop

2 Answers

Power LED on but no boot up


Its the Mother Board..I had the same problem and had to have a new MB put in

Feb 17, 2007 | Gateway (4000811) Motherboard

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