Question about Dell Dimension C521 PC Desktop

1 Answer

Bios update can resolve lack of fan's control?

Hi, i've recently changed my dell c521 motherboard, but the new mobo has a limited bios without pc helth status, temperature readings, fan speed control, voltage reading. I've tried with "speed fan" software but it only shows hard disk and core temperature readings. Could be the problem solved with an update of the bios, a flash, and what are the real risks of doing that? Thanks.

Posted by on

  • jethromex Dec 26, 2008

    I know due to "everest" software that the bios of my mobo has 2 years, and in a site of bios update, related to phoenix technologies, wich is the manufacturer of my bios, they recommend to update the bios, but i have to pay and do some other things i wish not. Also, in dell site i've found an update to c521 mobo bios, but when i run the setup of the downloaded program the monitor freezes, always. Do you suggest that i try to updat my bios again or it is in any case an unuseful option to obtain fan speed control? Thanks



1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 741 Answers

Probably not as you can only flash your BIOS from the manufacturer, so that is probably the latest version they produce since you got it recently. Under no conditions do I recommend trying to flash BIOS from someone other than the orignal manufacturer as any mistake will cause your computer to become unbootable.

Posted on Dec 26, 2008

  • Randall  Trahan
    Randall Trahan Dec 26, 2008

    I gotta be honest with ya, what you had before was ATAPI BIOS capability which let's you do all kind of cool stuff like overclock your CPU. But from what I gather now you do not have those capabilites. It's just a big jump from a regular BIOS to ATAPI and the company normally automatically gives you that capability with the motherboard. But on the positive side if you can get anything from dell to work you should be ok. Dell has an on-line chat under support for free, you may pose the question to them also.



1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Computer restarts over and over @ bios screen

you may try resetting bios by taking off the small battery on motherboard for few sec, also if you got manual for your motherboard there may be way to reset bios sticking together 2 pins for couple of sec. Is radiator fan working? if no there's solution.

Feb 11, 2014 | Gigabyte GA-M68MT-S2, AM3, nForce 630a,...

1 Answer

Replace cmos battery on dell c521

Hello, Open the case of the computer and look for the battery on the motherboard, slide the battery out and put a new one in it. You will have to reset the bios and the date and time.

Jun 30, 2012 | Dell Dimension C521 PC Desktop

1 Answer

After reading various forums online and trying everything I can think of, I find myself at a loose end. I have a Dell Vostro 200 with a solid orange light that comes on as soon as the pc has power and...

You cannot... The motherboard is bad. That is what the light indicators are for. If it is under warranty, call Dell to get a service tech dispatched. If not, start planning on a mobo replacement/PC replacement.

Jun 01, 2011 | Dell Vostro 200 Desktop Computer

1 Answer

I attempted to upgrade the BIOS on my Dell Dimension C521 and it froze 18% into the update. I ended up powering it off and rebooting. It would not reboot. The power button stayed amber in color and no...

yes the reason is if you update the bios but reboot when not complete
it erases flash then installs new bios probably got stuck on erasing only option is new motherboard sorry

Aug 02, 2010 | Computers & Internet

1 Answer

I installed a new WD hard drive and now upon boot

I would recommend you to change the CPU fan as it may nt be working fine and that should resolve the problem.

Mar 23, 2010 | Dell Dimension C521 PC Desktop

1 Answer

Blue screen Dell Dimension C521

This problem occures when ther is an conflict with drivers, so try to updat your Bios from dell web site orm you may try to update the video driver or have an option to replace it and try Try to boot the system safemode and chk if you get the same BSOD if not then its the video drivers

Samson Ved

Feb 05, 2010 | Dell Dimension C521 PC Desktop

1 Answer

Dell Dimension 8250 ,FAN TOO FAST & Noisy but CPU COOL...

The fan settings can be found in the BIOS. On a Dell machine, when you turn the computer on repeatedly hit F2 until you are brought to the BIOS. Search through there until you find something named Acoustics, change the option to run at a lower level. Remember to save the changes before you exit.

Jan 26, 2010 | Dell Dimension 8250 PC Desktop

3 Answers

Dell c521 turns on but does not show desktop

I agree with joecoolvette

I see this regularly. Almost always it is a PSU breakdown, mostly the smoothing capacitors which in turn slowly overheat and corrupt the voltage regulators.

In most cases, I noticed the cooling fans in the PSU are far from adequate, either run too slowly or are poorly positioned.

Jan 02, 2010 | 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

1 Answer

Motherboard change

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.

Dec 02, 2008 | Dell Dimension C521 PC Desktop

Not finding what you are looking for?
Dell Dimension C521 PC Desktop Logo

Related Topics:

573 people viewed this question

Ask a Question

Usually answered in minutes!

Top Dell Computers & Internet Experts

Les Dickinson
Les Dickinson

Level 3 Expert

18429 Answers

Alun Cox

Level 3 Expert

2678 Answers

mukhtar21 shaikh
mukhtar21 shaikh

Level 3 Expert

2022 Answers

Are you a Dell Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides