Question about ASUS P5VD2-MX SE Motherboard

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Cpu man error

Hi. i just installed a Zalman cnps9500 AT cpu heatsink/fan.
when i start up my computer, there is an error saying "CPU fan error"
On the manual for the fan, it has a section saying "Notes on Usage"
it states that "The operation of the PWM fan varies depending on the M/B setting. Please activate the PWM control mode from bios after installing. How do i do that? thanks for any help

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The first screen you see should prompt you to hit a key to enter the bios
such as f2 or del ( delete)

Posted on Feb 02, 2008

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1 Answer

Cpu over temperature error

you need a bigger cpu fan for the cpu. clean off the cpu heatsink then install the bigger one on then for the right fan.

Sep 25, 2013 | ASUS Computers & Internet

1 Answer

Fan not running , cpu very hot.Will that cause the fan not to run and laptop proline m548s switching off?

Oh nooooo !! If your fan never turns on, then get the problem fixed, but please don't continue trying to use the poor computer.
A CPU can get hot in less than a second, and if used without suitable cooling will eventually kill itself. Your computer turning itself off is a built in safety feature, but this usually only happens when the CPU is already dangerously overheating (when I say dangerous I dont mean it will explode or go on fire, I only mean it will damage the CPU beyond repair inside).
Some fans only start spinning when needed to save power/electricity/battery so those types have to wait until a certain temperature has been reached in the CPU before it will start to spin, which can make it appear that the fan is broken.
The first thing to check before replacing a fan is see if its blocked with dust/fluff - for towers or laptops, but laptops tend to be far worse for collecting fluff.
Make sure all fluff is removed from the heatsink area of the fan assembly, it should be completely clean all over - the fluff will collect in the heatsink fins.
If that's all ok (and this should always be done anyway), check that you have some kind of heatsink compound between your heatsinks base and the CPU - this is essential on most computers - the compound helps take heat from the CPU onto the heatsink to spread the heat away - and the fan helps keep the heatsink cooler.
Another thing is, as its a laptop, make sure that wherever you use it, you don't have any air vents being blocked up. Many many users have them on a lap, or cushion etc. and don't know that the air vents underneath are then blocked, causing massive overheating problems soon.
One of my most common jobs is to clear all the fluff from air vents on laptops, so that's what I would check first though. I get many that have a solid wall of fluff insde, some as much as 1cm thick. Some even have damaged CPU's from the heat as the owner has kept turning it on again and again, but actual damage is very rare :-)

Aug 06, 2013 | Computers & Internet

1 Answer

The computer whond start when xp is running the cp shut off

Most likely problem is CPU overheat. check that the cpu fan is turning and also that the thermal paste between the cpu and the heatsink is still there and sticky.

Feb 02, 2013 | ASUS Computers & Internet

1 Answer

My CPU fan started to become unreliable and would not always start. This gave me an error tone when this happened. I therefore replaced the whole assemble with a akasa AK-955 unit from maplin. This worked...

i hate to say this but you may have had a bad fan sent to you or it is not connected into the actual cpu fan port. or the fan is giving false rpm readings to the bios even though the cpu is staying cool.....last thing.... make sure you used thermal paste to install the heatsink/fan ect... otherwise you may run a high risk of burning the cpu.

Dec 03, 2010 | Intel Gigabyte GA-8I915P Duo Pro 915P...

1 Answer

New system biuild won't boot to bios. Gigabyte GA-Ep45-UD3L Rev 1.0, Zalman CNPS9500, Intel Q8400, G.Skill 1066 2X2GB Memory, Radeon HD 4650 Graphics card,Antec Sonata III case w/ Earthwatts 500W PS. When...

ok well make sure you have the right ram look in the manual and see if it needs to be non error correcting or error correcting (non ecc or ecc) and if it needs to be registerd or unregisterd ram (AKA: bufferd and unbufferd Ram) dont run it very long with no CPU FAN or it will burn and check that fan by pluging it in someware els thats strange cpu fan is always running when mobo is on.

Feb 24, 2010 | Intel Motherboard

1 Answer

Connecting my PSU to my Motherboard

The bare essentials to start a computer are PSU, Motherboard, CPU, RAM and Video.

Its possible the PSU arrived DOA. Though I've only had 2 DOA PSU's in the 15 years I've been building custom computers.

Hope this helps.

May 21, 2009 | ASUS P5QC Motherboard - Intel P45, Socket...

1 Answer

Overclocking on this board with an E2180?

When the CPU overheats it shuts down especially if you overclock it.
Did you put any heatsink compound between the CPU and the heatsink (this aids heat transfer from the CPU to the heatsink/fan)?

Your BIOS may have a setting that can adjust the CPU fan speed/temperature.
You can install additional fan/s in the case to draw more air into the computer case.
To further cool the CPU, you might have to install a better and more efficient cooling heatsink/device/fan on the CPU.

Feb 10, 2009 | EliteGroup ECS G31T-M Motherboard - Quad...

1 Answer

Bios problem

Your CPU fan is not working properly. It is either jammed by dirt or already burnt. An immediate replacement is the only and the best option. Additionally, clean the internal area of your CPU, i.e. motherboard, fans, heatsinks etc.Use anti electrostatic means while doing this. Use the good quality branded fan for the CPU.

Jan 26, 2009 | ASUS P5GPL-X Motherboard

1 Answer


Hi, have you tried removing the CPU and using a Air Jet Spray can to clean all contact pins and pin holes? The problem sounds like a loose chip. So also check all on board chips are seated, including RAM chips. Air spray can be bought from most Computer stores. Goodluck mistyman

Sep 09, 2007 | ASUS NCT-D (90MSV430G0UAY) Motherboard

1 Answer

Your CPU may have a problem

Have you removed all memory, other cards and unhooked all other drives to see if a short exists there? With a 300W PS some other component may be pulling too much that the CPU can't start so it tells you the problem is with the CPU or The CPU its refering to is on the video card? Good Luck, Tim

Feb 10, 2007 | Albatron K8T800 (K8X800 PRO LL)...

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