Question about Dell Dimension 3100 PC Desktop

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Would want to check the power switch of my Dimension 3100 Dell desktop but i don't know how to open the black front panel.

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Just grab it by the bottom and pull outward the front panel should pop off

Posted on Apr 02, 2011

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1 Answer

My dell desktop won't start. when press the front panel button, computer won't start


check the power connections, if its okay change the power supply or smps

Jul 27, 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

2 Answers

I have a Dimension 3100 everytime I turn on tower an orange light comes on Please help???????


i removed the connector at "J5J3 pswrd."

this is the blue thing between the battery and the card slot.

i tried everything else such as new M/B battery. remove/change ram. take out extra card, etc.

I just fixed my dell dimension 3100 by doing this.

Mar 08, 2010 | Dell Dimension 3100 PC Desktop

2 Answers

Dell Dimension 3100


You most likely just need a new power supply. You can pick these up for around $40 for a 450W, which is plenty for your machine. Pretty simple to replace, unscrew the 4 screws in back, around the fan on top, then unplug all the power wires, pull the old one out, and then put the new one in. There is a slim chance that other components were damaged, but this is your first step to fixing it. The power supply is the martyr of the computer. It will throw itself in front of power surges to save the rest of your computer....

Feb 11, 2010 | Dell Dimension 3100 PC Desktop

1 Answer

Dell Dimension 3100 won't start.


Check to see if the monitor cable is connected properly.

Oct 07, 2009 | Dell Dimension 3100 PC Desktop

2 Answers

Hi I have a Dell Dimension 3100 at home, the


Normally the front USB ports are part of the Tower (chassis) and You may not receive the exact matching. Still you can get more help by calling Dell's support for Desktops on 1800-624-9897

Sep 03, 2009 | Dell Dimension 3100 PC Desktop

2 Answers

Computer not coming on


Flashing Amber Light on a Dell Desktop is a defective power supply.
You can get a replacement from various vendors, or Dell.
Good Luck.

Feb 26, 2009 | Dell Dimension 3100 PC Desktop

1 Answer

No screen on dimension 3100


you have a serious problem. probably the board as a result of lightning or electrical surge.
unplug and open box. look carefully for small burn spots any where on board and cards.
dis connect power supply from board.
diconnect your hard drive from power supply and board.
reconnect everything and plug in and try again.
sometimes it will reset itself and start up again if nothing serious.

Jun 27, 2008 | Dell Dimension 3100 PC Desktop

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