Question about Dell Dimension C521 PC Desktop
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.
Posted on May 01, 2014
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Posted on Jan 02, 2017
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
SOURCE: 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
Posted on Nov 24, 2009
did you say that you disconnected the fan while it was on??!!!
This is bad... very bad..
You need to return the computer to dell for a new CPU.
Posted on Jul 24, 2010
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.
Posted on Feb 15, 2012
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We would like to know more about the lights you're referring to. The lights are represented by Error, Jam, Load Paper, Toner Low, Ready and Continue (green button).
Since the printer will print, for us to give the common light sequences, please provide us information which light is orange on the printer.
For further assistance, please call Lexmark Technical Support.
Jun 08, 2011 | Lexmark E260dn Laser Printer
Jul 07, 2017 | Dell C521 DimensionTM PC Desktop
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Oct 29, 2009 | Dell Dimension C521 PC Desktop
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