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Hi!I want diagram of power supply Dell Optiplex 9020 3020 7020

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  • yadayada
    yadayada Dec 29, 2016

    What kind of diagram?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 231 Answers

SOURCE: Dell Optiplex 160L Motherboard

Hi there is one more thing you should check before buying another mobo. Trace the wires from your on/off switch on the case, unplug it and then bridge the 2 pins out with a screw driver, this will start the computer. runit as normal, then shut down and see if you get a restart. If the computer does not restart on its own you have a faulty switch. Clean it or replace it. Regards mistyman

Posted on Sep 22, 2007

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myob247
  • 1342 Answers

SOURCE: Optiplex 560 Power Intermittent

Try updating the BIOS. Seems there were some advanced power management improvements.

Dell Downloads

The following changes were made to the A04 BIOS for the A06 BIOS: 1) APM issues device commands in SMM. 2) Fixed APM to issue power up/down commands to peripherals in SMM. 3) Turbo/Deturbo switching done in SMM. 4) Implemented <\> Turbo/Deturbo hot key. 5) Password checked after exiting Setup and before OS booting. 6) Fixed the problem with #9 GXE64 Video card losing its video at the end of POST. 7) Fixed the problem with WINICU having General Protection Failures. 8) Fixed the problem with Real Time Clock not being updated correctly when in Power Managed mode.

Posted on Jun 03, 2008

  • 148 Answers

SOURCE: Problem power supply dell optiplex 740 blinking

hi,
this is probably a no power/nopost problem here is a helpfull link
http://tinyurl.com/d4t55m

further queries are welcome
if you think my solution was helpfull please do rate me

Posted on Mar 28, 2009

  • 16 Answers

SOURCE: Dell Optiplex GX280 Video Card Install Problem

You hit that one right on the dot.  ATI website showed the specs for that graphics card you installed as needing a 300 Watt power supply.  Good news though... I researched newegg.com and I believe I found your 300W power supply.  There are 4 different Optiplex gx280 designs with 4 completely different power supplies.  Since you bought the low-profile video card, I believe you have the slim computer case and this power supply should work for you...
http://www.newegg.com/Product/Product.aspx?Item=N82E16817374002

Good Luck

Posted on Jun 11, 2009

  • 82 Answers

SOURCE: power switch dell optiplex sx 270

You problem is most likely caused by faulty capacitors on the motherboard. Most PCs of your age suffered from this. It was a manufacturing defect. Call Dell to see if they will replace it for free. This is a picture of two blown caps so you can id them on your MBmoz-screenshot.png
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Posted on Aug 17, 2009

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I would suggest reading this service guide for the Dell optiplex 745 to find out the problem solution. There are several fuses in the unit and problem could be in power supply.

ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-745c_User's%20Guide_en-us.pdf

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Jan 17, 2013 | Computers & Internet

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I am looking for a schematic for a Dell Optiplex GX280 power supply. The supply is model HP-U2106F3.


I just replaced my GX280 power supply (mini-tower) with the following 400W for $30.

http://www.cputopia.com/hp-400w-dell-optiplex-gx280-mini-tower.html

The only place I can think you will find an actual schematic for the PSU is from the manufacturer.

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DiegoTech

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I get orange light when i power my dell optiplex 330 pc


hi Mostly the case there Might 2 Issues (1) SMPS the power supply is not working ( 2) mother board is faulty.
For more trouble shooting kindly check with support.dell.com or call them if the System is in warranty.

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I mistakingly switch the voltage to 110v instead 230V


You are going to have to replace it....obviously. Here are some places that popped as having the supply you need. I have never used any of them personally.

Dell Optiplex Gx1 Gx110 145w Desktop Power Supply 5554t
$14.99 used - eBay Dell 11VTW Optiplex GX110 SFF 110W Power Supply (See 1728P)
$35.00 refurbished - Used-pcs.comNEW Dell Dimension XPS OptiPlex Power Supply, 200W, Dell 824KH
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Dell Optiplex GX280 Video Card Install Problem


You hit that one right on the dot.  ATI website showed the specs for that graphics card you installed as needing a 300 Watt power supply.  Good news though... I researched newegg.com and I believe I found your 300W power supply.  There are 4 different Optiplex gx280 designs with 4 completely different power supplies.  Since you bought the low-profile video card, I believe you have the slim computer case and this power supply should work for you...
http://www.newegg.com/Product/Product.aspx?Item=N82E16817374002

Good Luck

Jun 10, 2009 | Dell OptiPlex GX280 PC Desktop

2 Answers

Problem power supply dell optiplex 740 blinking orange light only


hi,
this is probably a no power/nopost problem here is a helpfull link
http://tinyurl.com/d4t55m

further queries are welcome
if you think my solution was helpfull please do rate me

Mar 28, 2009 | Dell Optiplex 740 Desktop Desktop Computer...

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