Question about Dell Dimension C521 PC Desktop

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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

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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.

Posted on Aug 27, 2010

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1 Answer

Monitor in power save mode and will not restore a picture.


Check all your video cables and check your keyboard and mouse cables. If everything is ok, reboot computer.

BTW - What color is the power indicator?

Jun 27, 2012 | Dell Dimension 8400 PC Desktop

1 Answer

I reset my cmos on my dimension c521 and keyboard and mouse dont work. how can i get to bios?


You might want to try a Microsoft common keyboard that hooks to the USB on your Computer same with the Mouse

Jun 01, 2012 | Dell Dimension C521 PC Desktop

1 Answer

I have a dell computer. when i turn on the tower and monitor i get just a black screen on the monitor. i have pushed a few buttons on the bottom of the screen and it just says power save mode please use...


No, it's the Power Supply.

Power Supply has a weak voltage power rail.

The monitor goes to Power Saver mode because it is not receiving a video signal. (No Signal)
This is because the computer is not working.


Dell Support > Dimension 4700 desktop computer > Service Manual,

http://support.dell.com/support/edocs/systems/dim4700/sm/index.htm

Click on the heading - Advanced Troubleshooting

Is the Power On LED light blinking Amber? (Yellow)

Post back in a Comment.

Regards,
joecoolvette

{You can also test the power coming out of the Power Supply.

The Power Supply in your computer is an SMPS.
Switched-Mode Power Supply,

http://en.wikipedia.org/wiki/Switched-mode_power_supply

It converts the AC electricity from your home, or business, into DC electricity.
There are three main voltages produced;

A) 3.3 Volts (3 point 3)
B) 5 Volts
C) 12 Volts
All are DC voltage

Two D cell flashlight batteries produce 3 Volts DC.
(In case you are worried about being shocked.
The 'bad' electricity is contained inside the Power Supply's case)

If you do not have a multimeter, an economical unit can be purchased for around $8 to $12. A LOT of stores carry them. An auto parts store is one example.

Orange wires are 3.3 Volts
Red wires are 5 Volts
Yellow wires are 12 Volts.

ALL 3.3 Volt wires end at the same 3.3 Volt power rail in the Power Supply.
Same with 5 Volt wires, and 12 Volt wires.

You can test ANY Orange wire, or any Red wire, or any Yellow wire.

ANY Black wire you see is a Ground wire.

The red probe lead of the multimeter is the Positive lead. The black probe lead is the Negative lead.

The Positive probe lead is touched to a positive wire.
Orange, Red, or Yellow.

The Negative probe lead is touched to ANY black wire. ALL black wires are a Ground wire.

The function knob on the multimeter is set to DC voltage. (Dotted line over a solid line, with a dotted line under the solid line. The curved S line over a solid line is for AC voltage. This = No)

If there are different scale settings, set the function knob to 0-50 Volts. (DC)

Aug 24, 2011 | Dell Dimension 4700 PC Desktop

2 Answers

Dell dimension c521 keyboard failure.


Disconnect & reconnect the keyboard.
Check whether the num, caps & scroll lock light respond to keys. If don't contact service centre..

Apr 16, 2010 | 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

1 Answer

Dell E173FP stuck in power save mode


Good morning! kindly try to review/check the operations manual of your monitor as there might be proper set-up settings / compatibility requirements to a certain PC. best regards

May 09, 2009 | Dell Dimension E520 PC Desktop

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