Question about Dell C521 DimensionTM PC Desktop

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I have the same problem on Dell C521 : Over the last few months, the pc has cut out at times inexplicably just gone onto silent orange light and needed a hard reboot. Now it is running a loud fan with orange light staying on. I have taken everything out and put parts back together again but problem continues. Is there anyway in which I can find out if it's the PSU or the motherboard before gambling on which piece of kit to buy?

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To speak technical support representative dial +1 (800) 204-4427 (U.S.) 1800954262 AUS, +44 (800) 046-5216 (UK)Am to 6 Am, Pacific Time, Monday through Sunday. If you needs a technical diagnosis you can call on our tech support team 1-800- 204-4427, which is especially open round-the-clock for online assistance.
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Posted on Jul 07, 2017

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Posted on Jan 02, 2017

kornho
  • 781 Answers

SOURCE: Orange Light permanently on motherboard. PC won't start

1. motherboards for atx form factor pc's are powered even when the computer is off, particularly if you leave the computer plugged in to wall outlet... you better do not work on you computer while power cable is still connected to both, your pc and the wall outlet..

2. I found this thread that may be helpful, it may be the motherboard may have gone bad, cmos is corrupted or something may not be seated properly...it could also be one of these: Bad CPU, BAD ram, Bad power supply.. read the thread for details:
http://www.dellcommunity.com/supportforums/board/message?board.id=oplex_other&message.id=23925&c=us&l=en&cs=&s=gen

Posted on Sep 25, 2008

kornho
  • 781 Answers

SOURCE: motherboard change

jethro..
http://support.dell.com/support/edocs/systems/dimC521/en/SM_EN/tshoot.htm#wp1064555
check on system lights... what are the diagnostic lights telling you??
if the 4 lights are off you may have a problem with the led itself or the powersupply is just messing with your head.

Posted on Dec 02, 2008

  • 28 Answers

SOURCE: dell c521 won't start

- disconnect the hdd and optical drive cables, remove the expansion card, reseat the atx and 12v cable and turn the computer on. if the power led is glowing green connect the devices on by to find what device is causing the no post issue. after the strip down if the power button is still yellow replace the motherboard

Posted on Dec 19, 2008

  • 1019 Answers

SOURCE: i have a dell C521 tower,switch it on but light

Hi,
if the light remains Orange, Possible In Standby/Sleep/Hibernate Mode.
Try pressing And Holding The power Button For 4-5 seconds Or more.
If this Fails, remove the power Cable, remove side-panel ( Unless Warranted ) locate the silver cmos battery, on the motherboard. remove the battery for 10 seconds, replace and repower and startup. failing this i,d suspect the ram/memory or cpu.

Mike @ Compurepair.

Posted on Oct 30, 2009

Current009
  • 135 Answers

SOURCE: Dell optiplex 330 flashing orange on the power botton

Try to clean the RAM and place it again in the motherboard.

Posted on May 31, 2010

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1 Answer

Pc powered up but monitor light orange


Have you tried a different monitor or VGA cord? If so and you still have the same problem it could be your graphics card or a driver missing from BIOS

Dec 23, 2012 | Dell Dimension C521 PC Desktop

1 Answer

Monitor lights orange


If the monitor gets no signal it will show orange. or ,It's hibernating or sleeping. Shut down computer, reboot, open Control Panel, Power settings, change to High Performance, change Hibernate to never or disable, change sleep to never or disable. Shut down the computer and monitor when not in use. It will last longer and reset the computer every day when turned on.

Dec 23, 2012 | Dell Dimension C521 PC Desktop

1 Answer

C521, get the orange light, fan turns on and it's just steadily orange light


A steady or Amber blinking power button indicates a low voltage problem. 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.

Oct 27, 2012 | Dell Dimension C521 PC Desktop

1 Answer

Dell Dim C521 power button remains orange; doesn't boot


Take a look at this document from Dell. You should have some diag lights on the front of the computer, and this should help you find what is not passing post.

http://support.dell.com/support/edocs/systems/dimc521/en/SM_EN/tshoot.htm#wp1064555

Feb 15, 2012 | Dell Computers & Internet

1 Answer

Hi - our dell dimension c521 is stuck in power save mode. The light on the monitor is solid orange and will not respond to the keyboard or mouse


A solid amber light indicates a pre-POST failure has occurred. The system has received a Power Good signal from the power supply so it's not a power supply issue. HERE is the documentation that tells what the lights mean and possible solutions.

Aug 26, 2010 | Dell Dimension C521 PC Desktop

1 Answer

Dell C521 Power Issue


I would replace the power supply and if that does not help (after battery replacement and power supply), the ram could be faulty but usually faulty ram will beep a code. If ram has no avail i would suspect the mainboard and replace. Good Luck

Nov 24, 2009 | Dell Dimension C521 PC Desktop

1 Answer

I have a dell C521 tower,switch it on but light stays on orange,fans work but it wont switch on.help.


Hi,
if the light remains Orange, Possible In Standby/Sleep/Hibernate Mode.
Try pressing And Holding The power Button For 4-5 seconds Or more.
If this Fails, remove the power Cable, remove side-panel ( Unless Warranted ) locate the silver cmos battery, on the motherboard. remove the battery for 10 seconds, replace and repower and startup. failing this i,d suspect the ram/memory or cpu.

Mike @ Compurepair.

Oct 29, 2009 | Dell Dimension C521 PC Desktop

2 Answers

Cannot start up the dell c521, fan is loud and light is orange.


What you are describing is a no post failure. Disconnect all external devices, see if anything changes. if not, replace the motherboard

Oct 28, 2009 | Dell C521 DimensionTM PC Desktop

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