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CPU FAN AND CASE FAN

SHOULD THE CPU FAN ''****'' OR ''BLOW''
SHOULD THE CASE SIDE FAN ''****'' OR ''BLOW''

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  • luckybubba Nov 25, 2008

    SHOULD THE AIR GO AWAY FROM THE CPU OR TOWARD IT



    SHOULD THE AIR GO INTO THE COMP[UTER OR OUT OF IT



    I CAN'T BELIEVE I WASN'T ALLOWED TO USE THE WORK S.U.C.K.

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Your fan should be positioned so that it PULLS the hot air AWAY from your CPU and heat sink.
And anyother case fans you may have should be facing out so they pull the hot air out of your case, as well as any dust, pet hair, etc.

Rae

Posted on Nov 27, 2008

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Posted on Jan 02, 2017

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Which way does the rear fan go in a compaq computer tower


The proper installation of a CPU fan is often the subject of debate. Though there are conflicting theories as to which direction the CPU fan should face, there are methods to ascertain which CPU fan installation best suits your needs. The determining factors of your CPU fan installation direction include the manufacturer specifications, your case design and the specific design of your heat sink
Horizontal Installation
  • The installation of a CPU fan horizontally to the plane of the motherboard is the most common installation orientation there is. Your options when installing your CPU fan are to blow cool air onto the heat sink or to pull cool air through the heat sink from the motherboard. Horizontal installations show negligible advantages in either installation direction. The differences in temperature usually vary by only 1 or 2 degrees Celsius. The main point to consider when installing a horizontal CPU fan is the location of the rear exhaust fan on the case. If the rear exhaust fan on the case is parallel to the processor, it is advantageous to have the fan pull cool air from the motherboard and push it out above the heat sink. This is because the case fan will quickly draw that hot air away from the CPU and out of the case, allowing for quick cooling.

Vertical Installation
  • Vertical, or tower, heat sinks rise high enough off the motherboard to allow for a fan to be installed perpendicular to the plane of the motherboard. This allows for cooling to go from the front to the back of the case, as opposed to going from the bottom to the top. Optimal installations for vertical heat sinks are blowing toward either the back or the top of the case. If there is no exhaust fan in the top face of your computer's case, it is more effective to orient your fan on your vertical heat sink so that it blows toward the rear exhaust fan of the case. If there is an exhaust fan on the top face of your computer case, it is almost always more effective to mount your CPU fan so that it blows air up toward the top of your case. The reasoning behind this is that hot air rises and will more naturally flow off the top of your case. Also, top-mounted fans are usually larger and allow for faster airflow out of the case.

Manufacturer Recommendations
  • It is often the case with nonstock heat sinks that the manufacturer has designed the heat sink's fan to be mounted in a limited number of orientations. This is usually evidenced by limited mounting notches on the heat sink itself. Most aftermarket heat sinks use technologies such as heat pipes that have specific cooling needs to operate appropriately. Because of this, it is important that in any CPU fan installation you follow the manufacturer's installation instructions.


Performance chips of BMW

May 31, 2012 | Compaq Hp - 375376-001 - Dc7600 Tower...

1 Answer

S7605n


The fan blows out of the case, they pull air in through vents.
If the machine is old you may need to open it up and use a clean paint brush and vacuum cleaner to remove any dust lodged in the heat sink.
You can also try raising it off the platform your using, just in case the air-flow is blocked.
Check to see if your Cpu voltages and multipliers are correct in the BIOS, or set them to auto if they arn't already.

If your still getting high temperatures you can always install a more efficient cpu cooler, just make sure you get one that will fit inside your case.

Apr 30, 2012 | HP Computers & Internet

2 Answers

The pc not starting up as it should. it displays on the black screen, 511-CPU fan not detected. I use F1 to continue the start up. but shuts down in about 10 minutes.


withtout the fan the computer will overheat and shutdown.
open the case and see if the fan moves at all.. is it to clogged to move. can of air will fix the problem. blow the dust away then vacume the stuff that falls out.

if not dirty then you need to replace the fan.

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1 Answer

My sony laptop computer has big noise when the fan start.


Hi there,

It is normal for the computer to do this. When an application you are running makes greater use of the CPU, memory, video card, and disk drives, power consumption increases, and the fan either kicks up in speed or turns on. If the sound is annoying, you may be able to reduce the fan cycles by cleaning the dust out of the computer case.

Get a can or two of Dust-Air or a similar product.

dustair.jpg
Open the case of your computer by removing the screws on the back. Some computer cases have easy-open latches, so you may not need tools. Use a vacuum cleaner to get the bigger dust bunnies out of the case, then use the Dust-air to blow out all of the nooks and crannies. Make sure to blow out the heat sink for the CPU; the vanes tend to clog with dust. Blow off the vanes of all the cooling fans, too. There will be one on the CPU, and probably a few others, e.g., most video cards have their own fans and heat sinks now.

Replacing the case fan with a quieter model, such as a Vantec, can also help:

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=674644&sku=V13-4009

Computer makers build systems with the cheapest parts they can get their hands on, and if you're handy, it's worthwhile upgrading.

Warm regards,

Anirban Mazumdar

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1 Answer

One of my fans doesnot work


open the case, remove all the dust from the fan, DO THIS WITH THE COMPUTER OFF AND UNPLUGGED! If you've never looked inside the case.... you will be surprised at the amount of dust inside. Blow it out, make sure all fans turn freely. Plug it in and fire it up.

Jul 22, 2009 | Intel (8W501B1M3G) CPU Fan, CPU Cooling...

1 Answer

Presario sr1103wm fan keeps coming on and restarts suddenly


It sounds like you may have an overheating problem.
The CPU fan should be running all the time so if you suddenly hear it come on it may not being doing so. Open the side of the case and start the PC....make sure the CPU fan is running at all times. It is the small fan on the motherboard. IF it is not running you will need to repair or replace it before permanent damage occurs to your CPU.
Also, check to be sure that the heatsink and fan are not dirty. You may need to buy a can of compressed air and blow out any dust that has accumulated.

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1 Answer

Emachines T2958 overheating and shutting down


Your computer is automatically shutting down to prevent damage to the CPU because it is getting too hot. This can be caused due to a malfunction fan, heatsink, or dirt inside the CPU.

Remove the side cover of the CPU. Using a can of air (which can be purchased at most electronics departments), blow out any dust inside the case, paying specific attention to the fan and the heatsink mounting the CPU. Also blow out all vents and anywhere else you see dust. Do not shake the can of air and keep it as level as possible. If you do not have a can of air available, an air compressor will work. Alternatively, you may vacuum the dust up with the hose of a vacuum cleaner but do not use any attachment with brushes on it.

If the inside is relatively dust free, check to make sure all the fans are functioning properly. If the one on the CPU is not, then that fan will have to be replaced.

And one more thing, please give this solution a fixya rating. Thanks! :c)

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Blows air into the case away from the cpu.RICHARDM69...This is a solution please vote as such.

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1 Answer

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Do you still have your manual? If not download it from Gigabyte at this link:http://www.giga-byte.com/Products/Motherboard/Products_Spec.aspx?ProductID=2637
Enter your bios & open manual to page 51, "PC Health Status". Here you can monitor the CPU temp, system temp & CPU fan speed. Notice the manual shows the example of system temp to be 30degs C & current CPU Temperature is at 47degs C. One would think these temps are reasonable. My CPU fan runs between 3308Rpm & 3341Rpm. CPU @ 41deg C & MB @ 31deg C. AMD 64 X2 Dual Core 4200+ 2.21 GHz.
Suggest you try this. If your running Win XP. Open system properties. Click the Advanced tab. Click the settings button under
Startup and Recovery. Remove the check mark to the left of, Automatically restart. Windows should provide an error message if & when the system freezes. This will help in finding what is causing the system to freeze. If your CPU fan is running under 3000Rpm you might consider buying a faster fan or add a case fan to the side of the case to help bring in fresh air to blow onto the CPU fan & PCI-Express card. Here is a decent lace to look for case fans: http://www.xoxide.com/casefans.html

Keep me up to date andr_zero.
Good luck!
Mike

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