Question about Intel CELERON 2.66Ghz CPU AND MOTHER BOARD (CPU4266CEL) Motherboard

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Emachine T3828 power switch connection to motherboard

My machine would not power up, I replaced the power supply BUT when I disconnected the wiring from front panel switches I forgot which of the three go where on the board... tried finding diagram to no avail.. anyone know?

I assume maybe that is my issue but I have tried different combinations to no avail... no power to fan etc. However read maybe the motherboard is fried (there were similar posts about not getting machine to power up even after replacing the power supply etc.

Thanks in Advance !
Tim

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  • timid51 Jan 03, 2009

    Thanks to both responders... tried the wiring, same thing.. tried the other suggestions... no go. Mama board bye-bye



  • villhauer17 Apr 25, 2009

    I have the same issue. I can't get the machine to boot. No fans, nothing. I have tried the CMOS battery, new power supply but still no success. I have a green light on the MB but that's it. I had disconnected the PWR S/W, PWR LED and PWR HDD and I am unsure where they should reconnect. Emachines manual is of no help and the MB manual doesn't help either. It looks like the MB is done but if anyone has fixed this I would love to hear about it.

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The "Ultra Helpful Instructions" that Emachines provide (here: http://downloads.emachines.com/userguides/8511279_eM_NG3_chassis_HW_ref_en.pdf) state that when replacing the system board, "18. Attach all cables to new system board", but fails to say where that would be for each cable.

The site below says it's a genuine Intel board in there, so, congrats on that. http://www.e4allupgraders.info/dir1/motherboards/socket478/D845GVSR.shtml

And with that, the link to the manual:
ftp://download.intel.com/support/motherboards/desktop/D845GVSR/SR_English.pdf

You're looking for the info on page 32, I believe.

See if that fixes it up. If not, post back.

Posted on Jan 03, 2009

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I would try a number of things... To start try and find another fan connection like for the CPU or CHASIS. Remove all power from MB even the ATX PSU Connector, then remove all CARDS and RAM so your MB is sitting without any thing plugged up to it. Take out the little battery to the CMOS and let the MB sit like this for 15 to 20 minutes... Replug everything and turn on, if the fan will not come on then you might not be powering the Power SW which you can trip with a metal screw driver to turn the PC on... If your fan powers up full speed and will not lower the RPM's at all then it is most likely a bad MB.... If nothing happens at all then you probably have the pins in wrong like the Power SW... You can find a manual here: http://www.emachines.com/support/product_support.html?cat=Desktops&subcat=T-Series&model=T3828

Posted on Jan 03, 2009

  • Sudo Bash Jan 03, 2009

    try new ram

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1 Answer

I have a T5026 EMachine won't power up. Green light on motherboard is on , could it be the switch , tried putting a new power supply box in it.


to see if the power swithc is the problem-

first, try to isolate the wire that connects the power switch to the motherboard. once you have deternined where the power switch plugs, then remove the wires from the motherboard leads and try to short the leads by connecting them with a metal device like a screwdriver tip. if the switch is broken, it will boot when shorted with the screwdriver. if it still will not boot, then you probably need either a new motherboard or a new cpu.

Nov 06, 2010 | E-Machines Emachine T5026 power supply **...

1 Answer

Diagram and pen out power supply and power switch placement emachine t3828


The eMachines T3828 Desktop PC uses an Intel D845GVSR motherboard.

1) Socket 478 processor socket

2) Comes with an Intel Celeron D 335 processor that uses a Socket 478 processor socket.

http://en.wikipedia.org/wiki/List_of_Intel_Celeron_microprocessors#.22Prescott-256.22_.2890_nm.29

Celeron D 335 / part number RK80546RE072256

3) The motherboard chipset is an Intel 845GV
[The Northbridge chip is an Intel 82845GV, and the Southbridge chip is an Intel 82801DB { ICH4}
Intel 82845GV and Intel 82810DB are the part numbers on the chips]

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Pentium_4_Chipsets


Here is the motherboard manual you requested,

http://downloadcenter.intel.com/Detail_Desc.aspx?lang=eng&DwnldID=15210

On this page click on the top file>
D845GVSR_ProductGuide_English.pdf
(Date 07/01/2003)
Go to the right and click on > Download

On the next page left-click on the empty circle to the left of>
I accept the terms in the license agreement

The file will automatically start downloading
Let the file download all the way before looking through it.

Connecting Internal Headers - Page 31 in the PDF file page number box at the top

You want C - Front Panel

The plastic front of your computer is the Front Panel
Cables (Wires) coming from the Front Panel go to the Front Panel header on the motherboard

Connecting the Front Panel is shown on Page 32

Processor to the Top, Ram Memory slots to the Right, the Front Panel header is at the Bottom Right. It is right along the bottom edge of the motherboard.

There are 4 pins across the Top
There are 5 pins across the Bottom
The Pins are numbered.

Starting on the Left side of the motherboard going towards the Right,
the Top row of pins are numbered 2, 4, 6, and 8

Starting on the Left side of the motherboard going towards the Right,
the Bottom row of pins are numbered 1, 3, 5, 7, and 9

A) Pins 1 and 3 are for the HarDDrive Activity LED light.
Pin 1 goes to the Positive ( + ) wire

Pin 2 goes to the Ground wire ( - )
If the LED is dim after installing switch the two wires around


B) Pins 5 and 7 are for the Reset switch. IF used. (Reset button)

C) Pin 9 is for the 5 Volts DC

D) Pins 2 and 4 are for the Power On LED light

E) Pins 6 and 8 are for the Power On switch. (Power On button)

Page 34 shows you where the power cables from the Power Supply go to the motherboard.
Connecting Hardware Control and Power Cables

D shows you where the 20-pin ATX main power cable goes.
Typical 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

A shows you where the 4-pin +12 Volt power cable goes, (Power for the Processor),
Typical 4-pin +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

B is where a Chassis Fan connects to. (Computer case fan)

C is where the Processor Fan connects to

E is for another Chassis Fan

If you have further questions please post in a Comment.
Sorry it took so long to reply, I just saw this problem.
Regards,
joecoolvette

Nov 01, 2010 | E-Machines (T2958) PC Desktop

1 Answer

I need a motherboard manual for CPU4266CEL Motherboard. It is in a emachines T3828


Hi


You can view/download the manual for your emachine from this link---

eMachine T3828 user/hardware Manual

Daniel Scott

Jun 28, 2010 | Intel CELERON 2.66Ghz CPU AND MOTHER BOARD...

1 Answer

EMachines T3828 won't turn on. Any way to determine whether problem is power supply? thx!


Had the same problem and ended up replacing the PSU. Try re-seating the memory and video card first but if your not getting any power on beep codes then it is likely that the PSU and possibly the motherboard have failed (google emachines power supply failure).
Try a new PSU, it worked for me and was a fairly cheap fix if nothing else works.

Sep 19, 2009 | E-Machines Emachine T5026 power supply **...

1 Answer

When i turn the power on the green power supply light goes out and doesnt turn onand the computer wont turn on


Follow these:
  1. Unplug the computer.
  2. Disconnect the power supply from the motherboard and all other accessories.
  3. Replug the power supply.
  4. Connect the green wire (PSON) of the power supply by way of a jumper wire to any black wire (ground).
  5. The power supply should turn on with its fan. If not, it is defective and should be replaced.
  6. Check the ATX12V connector of your motherboard. It is were you removed the 4-wire, 2 yellow and 2 black, connector of the power supply. Check the continuity of the yellow wires to the black ones. It should be open, otherwise it is shorted and your processor is defective and should be replaced.






Aug 19, 2009 | E-Machines Emachine T5026 power supply **...

1 Answer

I dont know where the wires go for the power switch, not labled on mother board.gateway emachine T3828


it should be labelled on the motherboard yes near the small pins, I think 2 pins, look closely the writing is very small, near the reset switch, should say power or something along them lines

Jun 23, 2009 | Computers & Internet

1 Answer

Powerbutton connection wires were disconnected from motherboard


Look in the manual there is a diagram and pin connections for each wire.

Feb 06, 2009 | E-Machines D2046 PC Desktop

6 Answers

Intel emachine t3828


Geeze, after working on hardware for 27 years i love the short circut dummie. Anyway yes, it's the motherboard / yes the green light will still come on on that model and quite a few other models. Dont worry about repairing / i.e. removing components on the motherboard, it's a fruitless endevor but a great way to waste time. A motherboard for that model will cost about 100-150 bucks / easy replacement. It's actually rare for both the power supply and mother board to go out on a tower/mini tower type system. Older laptops had that type of prob. Those emachines were **** for the mostet part. On the other hand Gateway has really gone up in quality and i have been quite impressed with them in the last few years...

Jan 14, 2008 | Intel CELERON 2.66Ghz CPU AND MOTHER BOARD...

2 Answers

EMachine no power


Ok for a start the power switch is not green and white that is the power led, you need to look for a red and black wire normally marked on the connector and motherboard as pwrsw or pswitch.
if you believe it to be the switch unplug the connector and jump the connection on the motherboard using the reset switch or a jumper, or not recommended but have done this myself many times using a flat blade screw driver very carefully and touch the 2 pins to complete the circuit.
if it doesnt power on then its more than likely it is the power supply but the motherboard being faulty could also cause this to happen.
the problem i have found with emachines is that its difficult to get replacement power supplys

Nov 30, 2007 | E-Machines eMachines Desktop PC

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