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Motherboard my dimension 3100 desk top is not coming on. the power light just blinks (amber).I had just installed 1gb memory in it as well as changed the cd ram.the bord is no good the shop say do you no what kind of board will relpace it.

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You could replace it with the same motherboard or another board that supports your processor,memory, video card if you have any and other peripherals that is connected to *********** board.

Posted on Jul 05, 2008

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Dell dimension 8400 blinking amber light ethernet port


An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Since you replaced the power supply, my guess is that the motherboard has a problem.
Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.

Jul 27, 2012 | Dell Dimension 8400 PC Desktop

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Dell 3100 will not power up


Hardware issues: (most likely the motherboard)

Start by removing:
Ram Chip one by one. See if it will change anything (if it doesn't put that back in)
Cd Drive
Hard drive
Anything else (video card, PCI components)

Dec 12, 2011 | Dell Dimension 3100 PC Desktop

1 Answer

When i start up my dimension 3100 dell desktop instead of a green light i get a flashing amber light. people say it is the power supply but the light wouldnt even come on if it was. can you please help me?


No, the light WOULD come on if it was a Power Supply problem.

1) If ALL of the LED lights on your computer were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts.

3) A typical Processor uses from 51 to 125 Watts. Depends on what Processor it is.

Dell Dimension 3100 desktop computer?
An Intel Pentium 4.

Intel Pentium 4 model 640.
Can operate up to a frequency rate of 3.2GigaHertz. (3.2GHz)
Fits in a Socket 775 processor socket. (Also know as Socket T)

http://en.wikipedia.org/wiki/List_of_Intel_Pentium_4_microprocessors#Prescott_2M_.2890.C2.A0nm.29

Can use up to 84 Watts.


You have enough power to light that LED light, but not enough power to turn the Processor on.

Dell Support > Dell Dimension 3100 > Service Manual > Advanced Troubleshooting > System Lights,

http://support.dell.com/support/edocs/systems/dim3100/en/sm/adtshoot.htm#wp1124612

"Power Light - Blinking yellow - A power supply or system board {Motherboard} failure has occurred"

Dell Dimension 3100 desktop computer Service Manual, (Free from Dell Support),

http://support.dell.com/support/edocs/systems/dim3100/en/sm/index.htm

Click on Removing and Installing Parts > Power Supply

For additional questions please post in a Comment.
Regards,
joecoolvette

Jul 20, 2011 | Dell Dimension 3100 PC Desktop

1 Answer

Dimension 3100 turns on the power button has a steady orange light there is also an orange light on motherboard cpu and power suplly fans working but wont bot up


Blinking amber (orange) indicates a problem with the power supply inside the computer. If the system cannot boot and there is a solid amber light, this could indicate a problem with the power connections for the CPU on the system board (see "Power Problems" in your Owner's Manual).

Mar 06, 2011 | Dell Dimension 3100 PC Desktop

1 Answer

Dell dimension e310 desk top will not power on


If the POWER Button on the TOWER is blinking AMBER (Yellow) then the most likely failure point is the POWER SUPPLY in the Tower.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817226001

Dec 21, 2009 | Dell Dimension E310 PC Desktop

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Blinking amber light.I changed 2 motherboards out and still blinking amber. Changed the CMOS battery, same thing blinking amber. Swapped memory and removed all pci cards, same thing. The motherboard has a...


I'm not clear about the blinking amber light you are referring to. Is it on the computer or the monitor.
I checked Dell's web site for the service manual for this computer model, & found this document:
http://support.dell.com/support/edocs/systems/dim8300/sm/adtshoot.htm#1102195

If the blinking amber light is on the monitor, check the connection between it & the computer itself. Make sure the cable is not damaged & that it does not have any broken pins in the socket.

Dec 16, 2009 | Dell Dimension 8300 PC Desktop

1 Answer

Power button stay amber, dont finish booting


Generally, this is an indication of a motherboard failure. Remove any items connected externally and and expansion cards intenally and see if the Power LED indication changes. if not changes, then replace the motherboard

Mar 31, 2009 | Dell Dimension 3100 PC Desktop

2 Answers

Computer turns on but now booting up


Make sure the memory stick is securely installed on the motherboard. Also make sure that any additional cards in the expansion slots are also securely installed.

I had a similar problem on another machine and it was due to a memory stick that wasn''t fully secure, I reinstalled the memory stick and made sure it was a solid connection and it resolved my problem.

Please let me know if this helps you.


Feb 03, 2009 | Dell Dimension 3100 PC Desktop

1 Answer

By dell dimension4300 power switch is just blinking amber and wil


A Blinking Amber or Yellow power button means that the power supply is receiving power from the source but is unable to properly distribute it to the components. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.

Your responses are intended to improve the level of service provided. Please show your appreciation by rating your experience.

Dec 23, 2008 | Dell Dimension 4300 PC Desktop

1 Answer

No power up no post no nothing on dimension 3100


An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. It sounds like you have isolated the problem to the motherboard since you removed everything but the board and power supply. You may be able to locate one by browsing the internet. Just type in “DELL Dimension 3100 motherboard” and see if you can locate one at a reasonable price.


Your responses are intended to improve the level of service provided. Please rate your experience.
Thank You

Sep 27, 2008 | Dell Dimension 3100 PC Desktop

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