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

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Humming noise i turn on my puter and everything works it boots lets me go on line and all but is making a humming noise i have a dell dimension 2350

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IT sounds like the fan bearings are going out already, or have flat spots on them that cause vibration at speed. Try calling the manufacturer and tell them the fan either quit working or is about to quit.

Posted on May 08, 2008

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Computer acts like it in standby mode will not power up, made a weird noise according to my daughter and quit


Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they are probably old and faulty a computer needs its connections to have an end so any faulty leads will end up with a computer error

hope this will help
don

Feb 23, 2011 | Dell Dimension 4400 Power Supply ** FREE...

1 Answer

Computer will not turn on ? checked outlets,cleaned out computer , unplugged everything nothing connected to computer


Test your power supply unit if the PSU units fans not working its faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect your hard drive boot up

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ?
one bad lead will end with a computer error
hope this will help
don

Feb 17, 2011 | Dell Dimension 8400 power supply ** FREE...

1 Answer

My sons dell dimension 8400 let out a bang and now no power, the pc had froze and he had pushed the power up button on the front to turn the pc off any ideas?


Can you please describe what happens when you try to power on the system? Have you tried your system with a knwon-to-be-good power supply?

Feb 08, 2011 | Dell Dimension 8400 power supply ** FREE...

1 Answer

My Dell 8400 won't turn, no fan, anything.


Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect or boot up your hard drive

Test all leads that attach from the ((motherboard to your hard drive)) including electrical extensions,IDE,SATA

the leads from your motherboard to your hard drive make sure they have a secure connection and are not faulty or just replace them there probably old and faulty

make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ?
dont forget to vote
hope this helps

Feb 05, 2011 | Dell Dimension 8400 power supply ** FREE...

1 Answer

Dimension 1100 not booting. In Boot sequence screen, says "Hard drive not installed"


Your hard drive is probably toast and needs to be replaced and Windows reloaded.

Make sure to check your BIOS settings first and make sure the drive is showing up in there and it's not deactivated.

Sep 10, 2009 | Dell Dimension 1100 power supply ** FREE...

2 Answers

Dell Dimension power problem


There are several different solutions for this as posted at this Forum.

http://www.tomshardware.com/forum/51352-2-dell-dimension-8400-wont-boot

1) A lot of people have just removed the Jumper for the CMOS and turned the Power back on and back off and replaced the jumper and/or removed the battery.

2) Several people have reseated the Memory and after booting back up it worked.

3) A few had to replace the Mother Board and CPU but in this instance they had to also replace the Case because the Dell case wasn't really fit for the heat of from the CPU.

4) I had the exact same problem and luckily replacing the Power Supply fixed this for me. I had to cut out the back of the Dell case for the toggle on/off switch but when I tested the old Power Supply it was only getting 5amps and this was causing the Amber/Orange/Yellow light to constantly flash.

I hope this helps!

Jan 20, 2009 | Dell Dimension 8400 power supply ** FREE...

3 Answers

Dell Dimension 4400 Won't Turn On


inside the pc there should be a green light. called flea light. if its not on.. then id say motherboard or power supply are bad.
take power cord off. and hold power button down for 10 ecs. then reconnect and retry. i think its abad psu.

Oct 09, 2008 | Dell Dimension 4400 Power Supply ** FREE...

1 Answer

PSU


You can try to rearrange from ATX form to dell form.
Here is ATX arangement
http://en.wikipedia.org/wiki/Computer_power_supply#Wiring_diagrams
and here is dells arangement
http://www.jdresearch.com/icon/shark20pin.jpg

Jan 31, 2008 | System Power Supplies

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