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Case fan can't hook up rear case fan to new power supply (Orion)

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How to remove fan from gateway dx4200

for replacing the fan you must open computer case unplug all power cords, remove 4 screws near the rear fan and pull out the power supply from the top interior. then you have at leat more 4 screws to remove the power supply cover out. then you will see the other 4 screws to remove the fan. if you just simply want to clean the fan open the computer case go to outside, take an air compressor and blow air into the fan and at the rear od the power supply on the air intake and you are done.

Aug 26, 2012 | Gateway DX4200-09 PC Desktop

1 Answer

My motherboard has a different connection than the chassis fan

The connection for the fan in that case connect directly to your power supply, not the motherboard. You can get an adapter that would work, but it would be easiest and best to just plug it into the power supply.

Feb 17, 2012 | ASUS Sabertooth X58 LGA 1366 Intel X58...

1 Answer

Fan is running & noisy

I have an Acer x3400 and after a couple of months started making this horrible noise coming from one of the fans, at the time I solved it by hitting the bottom of the case, thinking that it was the case vibrating, it worked for a while, but it was not the case, as I found out the hard way it was the power supply fan jamming/overheating and by lightly hitting the bottom of the case I was setting the fan back in place. Long story short, moved my hardware out of the stock case, got a new power supply, decked out the new case with a ton of red LED fans, added 16 G's of Mushkin Silverline RAM and a 2 Terabyte Seagate Barracuda Hard drive along with a 1TB Western Digital for backup. It's as quiet as a door mouse :) I run my PC pretty hard though out of the 2-3 years I have had it, it's only gotten about an hour or two of downtime so hardware failure is expected but besides the power supply, I really haven't had any. But I have automatic backups set to run every 5 hours and duplicates of the backups going to my NAS so bring it on. Anyway I like to run off into little tangents like these, I don't know if anyone finds them informative but back to the point. Replace the power supply; see if the noise stops, if not replace CPU cooling tower, if the problem still persists and you have a case fan change that out too. But in all likely hoods it's the power supply. They're pretty cheap and easy to install so threes no reason not to and everything else I'm talking about is tooJ. Happy computing!

Nov 10, 2011 | Acer Aspire X3400 PC Desktop

1 Answer

Pin layout for orion 585w

There is only one way you can connect your power supply. The connection is pinned to only go in one way. ALSO: The power supply is very inexpensive and can most likely be bought from any of your computer retailers, Amazon - Just make sure to confirm the right model type of power supply. BEST to have it tested before replacing it. To make sure that is the issue..

If you need further help, I’m available over the phone at

Oct 20, 2011 | HP HEC HP585D 585W ORION HP585D ATX 12V...

1 Answer

Processor fan is very noisy from start up to all the time I am on line.


Good day , you may need to power-off her PC, open it up, and give it a good cleaning with a vacuum cleaner. If possible, after you've got her PC open, and before you clean it, turn it back on so you can figure out which fan is causing the noise problem (many PCs have more than one fan). If it's the CPU fan, then you're going to want someone who is comfortable and experienced with removing it and replacing it with a new one, because it is EXTREMELY important to get 100% physical contact between the CPU chip itself and the cooling fan/housing that is attached to it, or the CPU is going to overheat and destroy itself within seconds of being turned back on. If the noise turns out to be from a normal case cooling fan (3-5 inches across), you can try cleaning it really well to remove any dust, and see if that fixes the problem. If not, you can buy a replacement fan of the appropriate size at pretty much any PC store for $5-$20. It takes 5-10 minutes to unscrew the old fan and install the new one, and just use the same electric wire from the old fan for the new fan.
If the noise turns out to be from the computer's power supply, you cannot repair it, so it needs to be replaced. I would recommend either replacing it yourself, or having someone who has done it before replace it for you. There's usually only 4 screws that hold the entire power supply box in the case, and then you also have to unplug the power cords that go from the power supply to the hard drives, floppy drive, CD drive, other internal peripherals, motherboard, and fans. Carefully remove the entire power supply box from the PC case, being careful to not scrape it or bang it against any of the memory cards or other internal components. Take the noisy power supply with you to a discount computer store and find a new power supply that's the same physical size and at least as many watts as the current one (usually 350-500 watts). If you go with a generic power supply, it will probably cost around $30. If you go with a name brand, high-wattage power supply, it can cost $100 or more. Hope this information help you in resolving your issue. Have a great day.

May 23, 2011 | Computers & Internet

1 Answer

Pc power supply 20 + 4 sata 400watt if i plug the mains lead into it with out it being pluged into the motherboard will the fan in the power supply work ?

No it needs to be plugged into the moterboard for the switch wire to turn the fan on. if your looking to have the fan run while the power to the pc is off you'll have to mod the power supply, there are loads of websites that can help with this be carefull tho power supplys hold a lot of power for a long time after they've been turned off and unplugged.

Sep 14, 2009 | HP HEC HP400D 400W ORION HP400D ATX 12V...

1 Answer

Fans run without turning on front switches

Hi Gene,

If you've installed the cpu and hooked the fan to the power supply plug, which is just left of the cpu mount, then the board if connected to the power supply cables, it should start up. Regardless of the front switches. However, you probably don't want to start plugging in the power cord until you have all of your components in place and ready to close up the case. First you can create a shock by just touching the board and that can damage the board. (I speak from my own experience :-( .

But once you get the power switch plugged into the board that should take over turning the rear power supply on and off (Including the cpu fan)

Good Luck and don't forget to leave a rating, based on my solution.

Thanks Mark

Apr 16, 2009 | Intel D865PERL Motherboard

1 Answer

Need physical dimensions of HEC HP585D 585W ORION HP585D ATX

No, given your old PSU's dimensions the HEC PSU would be too large. It sounds like you have a micro-ATX case.

Apr 06, 2009 | HP HEC HP585D 585W ORION HP585D ATX 12V...

1 Answer

Power supply not working?

To see if power supply works
unplug the psu from the motherboard and drives
then plug the power cord into psu and wall
the fan should come on letting you know that it works.

you can also get a multimeter and check each individual connector on the 20/24 pin connector to motherboard.
check the psu docs for the correct voltages to each pin

If you smelled smoke then chances are that something may have gotten toasted.
remove all expansion cards and try to turn on computer if nothing happens then the motherboard may have gotten toasted.
Check the motherboard and expansion cards along with memory for shorts and burn spots.

A+ Technician

Apr 02, 2009 | HP HEC HP485D 485W ORION HP485D ATX 12V...

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