Question about Okia / 450-Watt / ATX / 80mm Fan / 20/24-Pin / Power Supply (OKIA450ATX) Power Supply

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Where to plug case side fan

No schematic. Okia psu. On the 4pin plugs what are color volts?

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Pinout Pin number Wire color Description 1 yellow +12 volts 2 black ground 3 black ground 4 red +5 volts

Posted on Jan 27, 2009

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Power Supply Dry Run Problem


You need to have the case's power switch plugged into the jumper pin header of the motherboard. Plug in the PSU into the 120 volt mains, enable the PSU via the switch (the one you turned on in the video) and then press the power switch on the computer CASE.
That should do it!

May 29, 2013 | System Power Supplies

4 Answers

Hi there PSU Stopped working. Dismantled and found fuse blown. Replaced with new fuse, which blew straight away. Any ideas as most likely component that has failed / needs replacing?! Regards,...


Follow these steps :
1.
Power on your computer and place one hand behind the power supply's fan on the back side of the computer case. Check to see if there is any air being blown by the fan and listen for any fan noise, which will both indicate the power supply is still receiving electricity. Turn off the computer.
2.
Remove the power cable from the current wall outlet it is plugged into and connect it to a different outlet to make sure the outlet isn't the cause of the problem. Replace the power cable entirely with a new one and plug it into the original wall outlet to find out if the cable was defective.
3.
Power on the computer and check to see if the problem still persists. Turn the computer off if you are still having problems and disconnect all of the cords from the back of the case. Set the computer down onto its right side on any nearby stable work surface. Unlock the left side panel from the computer by removing the two case screws on the back end of the case. Push down on the panel slightly and then slide it away from you to remove it from the case.
4.
Make a visual inspection of the power supply, which will be located at the top left side of the case. Check to see if the power supply has sustained any obvious physical damage such as from spilled liquid or possibly falling out of the drive bay. Replace the power supply if there is any obvious physical damage.
5.
Check the connections of the IDE cable that run from the motherboard to the power supply. Make sure the connection is secure at both sides and hasn't slipped out. Replace the IDE cable with a new one if it has any obvious physical damage.
6.
Unplug the cord that runs from the power supply to the hard drive. Turn on your digital multimeter and set it to the "DC" setting. Attach the power cable back into the power supply with the case still open. Press the computer's power button.
7.
A Digital MultimeterInsert the multimeter's black probe into the black wire of the power supply cable you removed from the hard drive. Take the multimeter's red probe and plug it into the yellow wire of the power supply cable. Check the reading that appears on the digital multimeter's screen.
8.
Replace the power supply if the reading on the multimeter is lower than 11 or higher than 13.

Oct 24, 2010 | Apple FW800 (661-2816) Power Supply

1 Answer

I have a Okia 420ATX power supply. I had it


Based on the additional information that the power supply fan turns on for a few seconds and then goes off indicates to me you have a motherboard or processor problem. I would have a service center check the computer for you.

Feb 03, 2010 | Okia 420w UL Approved ATX Computer Power...

1 Answer

Dead Computer


Is the fan of the power supply still circulating?

If not, your power supply needs replacement.

Jul 24, 2009 | Okia 420w UL Approved ATX Computer Power...

1 Answer

Friends custom-build PC has no power


Seems reasonable. Take the motherboard out of the case,  first to see if it will work outside of the case. Sometimes boards short to the ground due to a screw or other metal getting between them and the case. Try to run it with as little hardware hooked up as possible. You don't even need a hard drive to post the BIOS.  

Mar 12, 2009 | Okia 420w UL Approved ATX Computer Power...

1 Answer

I have a okia 500atx power supply. When I attempt to turn on the computer, it will stay up for about 3 seconds then turn off. is the power supply the problem?


CHECK THE FAN REMOVE ANY DUST AND SPIN THE FAN PLUG IT IN AND TURN IT ON IF SAME PROBLEM THAN THE FAN IS BAD IN THE POWER SUPPLY AND YOU NEED A NEW POWER SUPPLY TAKE IT WITH YOU WHEN YOU GO TO THE COMPTER STORE FOR A NEW ONE

CANDYMANGANDY

Jan 27, 2009 | Okia / 450-Watt / ATX / 80mm Fan /...

1 Answer

My computer turns on but wont turn hdd all the way on it starts then clicks and stops goes to a black screen. and there is a smell coming from the computer. i put the hdd in another tower and it worked.....


If you have a standard atx case then any standard atx power supply should work. Yes you can upgrade to one with more wattage as long as it has all the connectors you need. Hope this helps.

Dec 24, 2008 | Okia / 450-Watt / ATX / 80mm Fan /...

2 Answers

XION Case and Supply


Try unplugging, then plugging back in the 20/24pin power connector. When you plug in the power connector, make sure the power supply is OFF and the switch in the back is OFF and nothing is plugged into the computer.

Jul 21, 2008 | XION (XON-500F8X2-201) (XON-500F8X2-201)...

1 Answer

Busted component


Getting a schematic is rather doubtful. You might be able to get a general idea of the circuit from somewhere on the 'net.

Was the power supply dead?

ATX style power supplies have both a standby and main section. The standby supplies a low current +5 volts to a small portion of the motherboard.

If the component failure is in this section, this standby voltage will be missing or incorrect, and the computer will be dead- won't power on at all.

I've seen a number of catastrophic failures in this standby circuit, and repair isn't suggested or economically feasible, especially as some parts often poof beyond identification.

When the pwr button is pushed, the main section comes on, and supplies +5 (Red wires), +12 (Yellow wires), +3.3 (Orange wires), -5, -12. Look here for this info http://pinouts.ru/Power/atx_v2_pinout.shtml

Voltages are precisely regulated, and any substantial deviation (more than a few 10ths of a volt) indicate a problem, especially on the +5 & +3.3 lines.

Jul 07, 2008 | Okia / 450-Watt / ATX / 80mm Fan /...

1 Answer

Fan


Hi replace the fan by opening the power supply with a new fan if your power supply is under warranty period still get it exchanged.

May 19, 2008 | Okia 250w UL Approved ATX Computer Power...

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