Question about Dell OptiPlex GX520 PC Desktop

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My cpu fan speed is countinuely high guide me how to low the fan speed

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The speed is determined by a cause ..and to make it worked like It used to , you have to eliminate the cause...It probably has a dirty heat dispenser ..and the cleaning will make it run smooth again ...but also check the bios settings for the fan ..For dell there are available more than one modes..and you can go to bios and see which way is set ..Select the quiet mode and save changes on exit

Posted on Dec 27, 2011

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Posted on Jan 02, 2017

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Fan is not working on 2001 Chevy Silverado 2500 truck radiator fan motor?


The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. The relays are arranged in a series/parallel configuration that allows the powertrain control module (PCM) to operate both fans together at low or high speeds. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block.
During low speed operation, the PCM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. This energizes the low speed fan relay coil, closes the relay contacts, and supplies battery positive voltage from the low fan fuse through the cooling fan motor supply voltage circuit to the left cooling fan. The ground path for the left cooling fan is through the cooling fan s/p relay and the right cooling fan. The result is a series circuit with both fans running at low speed.
During high speed operation the PCM supplies the ground path for the low speed fan relay through the low speed cooling fan relay control circuit. After a 3 second delay, the PCM supplies a ground path for the high speed fan relay and the cooling fan s/p relay through the high speed cooling fan relay control circuit. This energizes the cooling fan s/p relay coil, closes the relay contacts, and provides a ground path for the left cooling fan. At the same time the high speed fan relay coil is energized closing the relay contacts and provides battery positive voltage from the high fan fuse on the cooling fan motor supply voltage circuit to the right cooling fan. During high speed fan operation, both engine cooling fans have there own ground path. The result is a parallel circuit with both fans running at high speed.
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Tip

A Comprehensive Guide on Computer Beep Codes. (AWARD BIOS)


When a computer is booted up its BIOS, it performs a power-on self test, also known as POST, to test and verify the computers hardware and to make sure all components are working properly. Here's a comprehensive guide on how to determine which component has failed on a particular beep code and give you an idea on where to start for troubleshooting.

The exact meaning of the beep codes depends on the type and version of BIOS that you have. The three most popular types of BIOS are those made by Award, American Megatrends (AMI) and Phoenix. If you are using a PC made by a company that writes its own BIOS, e.g. DELL, HP, etc, you will have to consult your PC user's manual or the company's web site for assistance.


Beep Codes for Award Bios.

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1 long, 2 short = Video adapter error

Troubleshooting: Either video adapter is bad or is not seated properly.

Repeating (endless loop) = Memory error

Troubleshooting: Check for improperly seated or missing memory. Reseat the memory if you can.

1 long, 3 short = No video card or bad video RAM.

Troubleshooting: Reseat or replace the video card.

High frequency beeps while running = Overheated CPU

Troubleshooting: Check the CPU fan for proper operation. Check the case for proper air flow.

Repeating High/Low = CPU failure.Either the CPU is not seated properly or the CPU is damaged. May also be due to excess heat.

Troubleshooting: Check the CPU fan or BIOS settings for proper fan speed.


I will be posting more tips on other versions of BIOS.
Hope this helps.

on Mar 25, 2011 | Computers & Internet

2 Answers

Fan slow down and them high speed


change the fan ASAP, since the zooming noise and the slow performance will affect even the processor and you might end up replacing the processor as well if it persists. So get the fan ASAP and problem will be solved.

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Computer fan is spinning slowly


buy another fun and replace the old one

May 01, 2013 | Antec TriCool 80mm Blue LED Fan Case...

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Processor thermal treat error while booting


Make sure that cpu fans are running normally. Go to BIOS (generally with F2 on intel motherboards), and there will be information about cpu temperature, also fan speed (in RPM). If fan speed is 0 or very low problem is in cpu fan. (connection problem might be). If cpu fan speed is normal (high value) and cpu temperature is high, I will suggest you to open your PC case (or notebook) and see whether cpu fan is dirty or not. This is very common problem. If so, clean it.

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1 Answer

After powering on monitor says no sync


I've almost the same problem. When the system turns on the monitor doesn't sync. After a variable trials with down/up the sync is enabled and the computer starts.A very clear event occurs : when the monitor can''t sync ( and system doesn't boot)you can hear very clear a high fan rotation. When I look/hear in the system the Isuspect the cpu fan. The system boots ( monitor syncs) when the fan rotationgoes from high to low. So the system hangs on an internal check on the rotation speed of the cpu fan.I've googled a lot , but until now doesn't find an answer . Possibilties which I think about : replace cpu fan , clean cpu fun ( but it looks clean).I cannot measure the fan rotation speed when the system is hanging. At normal rotation all info can retrieved witth the program cpu-z.Did you already have a solution ?

Dec 07, 2011 | Compaq Presario 5000 PC Desktop

1 Answer

PC runs great until you power completely off. The it will take several tries of power on attempts. It will not start with the CPU fan coming on high speed. Must keep trying until low speed is heard. I...


Sounds like a problem with the power supply based on what you've written. Could be motherboard too, but Power Supply is usually the culprit.

I'd swap it out to test ;)

Jan 01, 2011 | HP Pavilion a450n PC Desktop

1 Answer

No start up and continuous repeated long beeps?


Hello

Here are the bios beep codes:

1 long, 2 short
Video adapter error
Either video adapter is bad or is not seated properly. Also, check to ensure the monitor cable is connected properly.

Repeating (endless loop)
Memory error
Check for improperly seated or missing memory.

1long, 3short
No video card or bad video RAM
Reseat or replace the video card.

High frequency beeeps while running
Overheated CPU
Check the CPU fan for proper operation. Check the case for proper air flow.

Repeating High/Low
CPU
Either the CPU is not seated properly or the CPU is damaged. May also be due to excess heat. Check the CPU fan or BIOS settings for proper fan speed.

Check computer beeps and act according to suggestion

Hope it helps if so do rate the solution


Dec 20, 2010 | Compaq Presario Notebook

1 Answer

CPU fan races


turn up the task manager to monitor the cpu load. use ctrl shift esc to bring it up. now open up an application. see as the cpu meter goes from low to full green (high).. then check if the fan also speeds up. i guess you have a cmos setup on the motherboard that monitors cpu load and speeds up the fan.

as for the usb -speaker, please explain further..

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1 Answer

Main cpu fan high speed


the speed of the cpu fan will go up and down depending on the work load that your pc is going thru,lets say you start a game and the speed increases then drops down thats all normal

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