Question about E-Machines EMA IMPERIAL GV (845GV) TG3 eMachines (145119) Motherboard

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Power button doesnt shut down

Hi, put a new board/cpu in a hp 515n pc but the case just has a single line plug in adapter for motherboard power,hd, powerswitch , i try to rewire this so i cound use new board got to work except wont power down. the other board is one where it has single plugs like pw, hd, ect. are separate is there an adapter to fix problem. or something..

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  • misfitgrave Apr 07, 2008

    hummm.. interesting will try..


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  • E-Machines Master
  • 13,433 Answers

I would recommend replaceing the powersupply.

Posted on Apr 06, 2008

  • Ekse Apr 07, 2008

    you said you made changes into the current powersuplly - rewired, id really recommend agains that and get a new psu.


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Fix my motherboard mbp 4xd

Disconnect the power cord form the power supply, be sure the power supply is set for 110 or 220 volts depending on your location and power and double check it (most have a 110/220 switch)

Feel/look at the back of the power supply to determine if the fan is working.

If the fan is working, try another power supply anyway.

Plug the computer directly into a known-good (a lamp works) power outlet

Check to be sure you do not have a motherboard stand-off in the wrong position and shorting-out the bottom of the motherboard.

Inspect/shake and listen for loose metallic objects (loose screws) on top of and under the motherboard and in expansion board slots.

Look carefully at the ISA and PCI slots, see if any of the contacts got bent/shorted-out.

Sometimes an expansion board will dislodge one and it will be pushed into the bottom of the slot.

Inspect the motherboard for broken or burnt components.

Carefully inspect the motherboard for black soot from bad bearings and clean and replace the culprit.

Look for bent/shorted pins on the motherboard headers and straighten.

Be sure the speaker is plugged into the motherboard.

If you hear beeps.

Decode the beep code.

If not, double-check all jumpers.

Push down on all chips that have sockets in attempt to reseat them.

What CPU are you using?

Be sure the core voltage is correct.

Be sure the CMOS battery jumper is in the correct position.

Some distributors purposely ship motherboards with the jumper in the wrong position.

Find the jumper that clears the CMOS, put it into the clear position for several minutes, put it back in the normal position, plug-in the power cord, and push the power-on button.

If you apply power to the motherboard with the jumper in the clear position you may damage the motherboard.

Pull all boards except video.

Disconnect all cables going to all drives, pull all cables except power, power on, and speaker, connect the power supply to the motherboard

(the black wires go in the middle on AT power supply connectors--"Black OK, red your dead"), reseat the memory, plug-in and screw-down the display adapter and nothing else

(push down on the top, front of the adapter and make sure it is properly seated by looking at it all along the PCI or AGP connector), connect the power-on switch and the speaker.

Check the monitor plug for bent or pushed-in pins, connect the monitor and nothing else. Check the monitor power cable.

Reseat/replace the memory.

Check for Motherboard Electrolytic Capacitor Failures

Check the CPU for bent pins.

Try another processor. Note: If you apply power to a motherboard with an Athlon or

Duron processor without the CPU fan connected, even for a few seconds, you will fry it (see

Check the CMOS battery with a multi-meter. Should be around 3 volts (2.8 is ok).

Try a different video board.

See if the CPU and memory will work with another motherboard.

Pull the motherboard, set it on the box it came in, install video, memory, CPU, power, and power on.

See if it boots.

I have seen several instances where this works when the board will not work in the case.

And, when reinstalled in the case, it continues to work.

I have also seen where it didn't work out of the case immediately, but did work the next day and continued to work.

One of those mysteries.

Temperamental computers with minds of there own.

Replace the motherboard.

hope this helps

Oct 15, 2012 | Biostar I945P-A7 INTEL 945P CHIPSET SERIAL...

1 Answer

Pc not always booting,

blow out dirts on bord, then you pack the board to avoid any bridging with the cassing

Jul 20, 2009 | Computers & Internet

5 Answers

Hp motherboard startup problem!!

hmmm my sussgestion in yourr case is that, don't attach all things at once. do the following step bye step.

Step 1). Attach SMPS (power supply to the board), Front Panel Connectio, and an in built speaker and CPU (don't add RAM, HDD, FDD, VGA Card or any thing els)

Power on and watch/Listen carefully:

Case 1: if you can hear a long beep, then your CPU and board is OK

Case 2: No beep means CPU or board is faulty. Try to Reconnect CPU again and do step 1.

Step 2) Now power off and add RAM only.

Power on and watch/Listen carefully.

Case 1: if you can hear the ok beep it means till now your RAM is Ok
otherwise clean your RAM connection and add it again.

Further you can add your VGA, HDD CD-ROM/DVD, PCI Devices etc. and easily short-out your problem.
For your help here is picture of general moherboard with connection details. 86c6af2.jpg

Mar 19, 2008 | HP Compaq Motherboard

3 Answers

New cpu but no video output


Feb 28, 2008 | Intel Motherboard

3 Answers

Continuous Beeping, new PC

Continues short beeps... means a short OR no power OR loose card OR system board.
Test it without the keyboard and mouse too. Just the Processor with heatsink, motherboard, memory and Video card.
Now add the keyboard, no mouse yet.
Check also the voltage of the CMOS Battery it should be 3V.

keep me posted for the result... count also the beeps.

Feb 09, 2008 | Intel Motherboard

1 Answer

No Video Output - New RAM - Tried Most Things

Without sounding silly. Have you tried replacing your new memory with your old memory? Just to see if your Pc boots normally. This will narrow down the root cause. This board only will only handel this type of memory.
Single channel, unbuffered, 2.5V DDR266/333/400, (2)184-pin DIMM sockets, max 2GB

Feb 08, 2008 | Foxconn WinFast K7S741MG Motherboard for...

15 Answers

ECS GeForce6100SM-M powers off without warning.

The problem was the onboard ethernet controller.Use a different PCI network card and disable the nVidia controller in your hardware profile. Flashing bios only caused me to detect a PCI device that was not there! The bios also has a "soft-off by power button" function that cannot be disabled so setting window's power button setting to do nothing could help depending on your computer case design and is also recommended as part of the solution.

Jan 27, 2008 | EliteGroup ECS GeForce6100SM-M (1.0)...

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

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