 Power Supply Fan Not On |
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 Jan 9 2008, 08:04 AM
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Member  Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180  |
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Jan 9 2008, 10:01 AM
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Forum Addict Group: Members Posts: 6,819 Joined: 3-September 05 From: Killeen, TX Member No.: 33,068 |
Are you saying that the new PS did not even work after you installed same?
What PS did you buy? What are your system specs, please? If a boxmaker system, then the manufacturer and model. Louis |
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Jan 9 2008, 12:08 PM
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#3
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
thank you for responding...yes the ps did not work when I put it in.....my comp spec are..
compac presario 5430US series 5000 intel pentium 4 processor 1.8ghz 1gig ram pc2100 ddr 80gb hdd 64mb nvidia geforce 2 mx graphic card 16x max dvd rom 16x max cd rw drive this is power supply from newegg antec earthwatts model ea-380w thanks again for your time |
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Jan 9 2008, 12:19 PM
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#4
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arachibutyrophobia Group: BC Advisor Posts: 4,953 Joined: 4-March 05 From: Northern CA. Member No.: 13,532 |
When you say that you had the PSU plugged in by itself does that mean that it wasn't connected to the motherboard? If that is the case then no it will not turn on without placing a jumper between the green wire and any black wire of the 20/24 pin connector to bypass what the motherboard does to start the PSU.
If the PSU is connected to the motherboard and still doesn't start make sure that the on/off switch on the rear of the PSU is in the on position and that you have it plugged into a receptacle which is on. This post has been edited by dc3: Jan 9 2008, 12:21 PM -------------------- Lord, may we please have a little more chlorine in the gene pool?
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Jan 9 2008, 12:24 PM
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#5
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
yes you are correct...I plugged the ps in and did not connect to mother board to see if fan worked..no jumper used...but then I connected it to the computer with all the plugs in place and not a noise or light was there..thank you
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Jan 9 2008, 12:28 PM
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#6
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
I have checked both...switch is on i and outlet is working checked with lamp
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Jan 9 2008, 03:21 PM
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#7
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Forum Addict Group: Members Posts: 6,819 Joined: 3-September 05 From: Killeen, TX Member No.: 33,068 |
Does the new PS seem any different (in terms of looks, features) from the one you removed?
I get a bad photo when I look up the Compaq PS replacement, but it looks like a "standard" ATX PS. Can you temporarily put the PS in a known good system...and see if it works properly? Louis |
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Jan 9 2008, 06:22 PM
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#8
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
this is power supply from newegg
antec earthwatts model ea-380w is that compatible with the oem ps......sorry I dont have another desktop comp to try it on...only a laptop...thank you for taking the time to help me......can I just take an electrical wire and jump the green and black wire and see if the fan runs |
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Jan 9 2008, 07:08 PM
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#9
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 Hardware Guru Group: BC Advisor Posts: 1,814 Joined: 25-January 07 From: Tiffin, Ohio Member No.: 108,353 |
You can use pretty much anything metal to jump the green wire to any of the black wires. MAKE sure its the green wire and not one of the other ones. The power supply fan should turn on. As mentioned above make sure the switch on the back of the power supply is in the on position (if it has one).
-------------------- ~Chad~ Biostar P4M900-M4, Celeron 2.7GHZ OCD 2.95, 2GB patriot DDR2 667 CL3, 60,20 GB IDE HDD, Windows XP Professional SP2, SAS, MBAM, MCAFEE STINGER, Zonealarm, Linksys Router, and Palm TX HandHeld. Sys 2 (FAH Machine) Athlon 650, 768 mb Pc133, Windows XP SP2 |
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Jan 9 2008, 09:52 PM
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#10
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
I have just used a paper clip and jumped the green wire and a black wire on the new ps and the fan works....thanks at least I know the ps is good ..right
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Jan 9 2008, 09:58 PM
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Forum Addict Group: Members Posts: 6,819 Joined: 3-September 05 From: Killeen, TX Member No.: 33,068 |
I guess that points to the motherboard or some aspect of the case, assuming all connections are proper.
Louis |
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Jan 10 2008, 06:28 AM
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#12
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
what would be the next place you would check if this was your computer..remember anything obvious to you would not be to me and how would I do it....thanks again
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Jan 10 2008, 01:09 PM
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#13
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Forum Addict Group: Members Posts: 6,819 Joined: 3-September 05 From: Killeen, TX Member No.: 33,068 |
Connections, first and foremost, including on/off switch on PS.
And...I would still take the PS and install it in a friend's system (temporarily) and see that it works as it should...before I moved on to suspect the motherboard. I always have a spare motherboard, but I don't like to suggest that the MB has gone bad until I'm sure that the PS is alive and well and connected properly. Louis |
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Jan 12 2008, 01:46 AM
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#14
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Member Group: Members Posts: 15 Joined: 8-January 08 Member No.: 182,180 |
my friend connected my new ps to his computer and it ran really good...so the ps is working I would guess..would there be something I can easily test on the mother board to see if it is dead or just something simple...thank you
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Jan 12 2008, 12:37 PM
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#15
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Forum Addict Group: Members Posts: 6,819 Joined: 3-September 05 From: Killeen, TX Member No.: 33,068 |
The only test I know of for a motherboard...is if everything connected functions as it should.
Eliminating the PS is just a first step. Really, the way that I test suspect hardware..is to switch it out temporarily to a known good system. That's not so easy to do with a motherboard, but it can be done if one has the time. Not sure it would be conclusive though, since connecting a motherboard properly involves several little steps, each of which can go wrong and produce an erroneous conclusion. Some have ideas, http://www.google.com/search?hl=en&q=H...t+a+motherboard Louis |
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