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I can not find the position of the power led, power sw , led hd ?

Posted on 2011-05-03
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Last Modified: 2013-12-28
Hello Expert , I had a problem starting the desk top , I can not figure out the position of power sw ,hd led ,and the rest , there is a diagram but not sure how to plug them , its used to start ok , I just cleaned it from dust and forgot the positions and kept trying for hours with no luck , pls if possible with pic , that would be gr8
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Question by:hnael
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Expert Comment

by:ryan_johnston
ID: 35517223
It all depends on the motherboard.  They are in all kinds of different places on different manufacturers.  They are usually color coded.
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Author Comment

by:hnael
ID: 35517235
I can see that , and thats my question , where can I find the mobo descreption ? I can see the lables but find it hard to follow
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Expert Comment

by:ryan_johnston
ID: 35517246
Written somewhere on the motherboard is the make and model of it.  If you can find that, I might be able to find out.  Just need a little more info.

Usually the speaker is red and black and it 4 pins wide, the reset switch is 3 pins wide, the power switch, power led, and hdd led (if avail) will all be 2 pins.
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Author Comment

by:hnael
ID: 35517276
thks, I could see they r written on mobo , but I need photo of where each cable belong , I find it so difficult to put them right .sorry , its intel mobo
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Author Comment

by:hnael
ID: 35517304
its intel lga 775
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Expert Comment

by:ryan_johnston
ID: 35517349
Do you know the model of the intel mobo?
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Expert Comment

by:ryan_johnston
ID: 35517353
K, let me look it up.
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Expert Comment

by:ryan_johnston
ID: 35517357
lga 775 is the socket, not the model
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Author Comment

by:hnael
ID: 35517398
ok, btcr 7240174k   AA D78647-304 IS IT THIS ONE
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Author Comment

by:hnael
ID: 35517413
Now the cables r like this reset sw white and obagine h.d.d led black and red  power sw white and red and then tow single cable with one pin each one is green colour and one is white , thats all the cable I need to connect .
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Expert Comment

by:dbrunton
ID: 35517415
Carrying on from ryan_johnston's comment.

Look for a series of letters and numbers.  That'll be the motherboard model number which you can Google and find the manufacturer's manual.

Also see http://www.formfactors.org/developer%5Cspecs%5CA2928604.pdf and pages 17 and 18 which might be of use if the board uses standard Intel connectors.
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Author Comment

by:hnael
ID: 35517416
Oh by they my understanding if I mix up cables does not kill the mobo or does it ?
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Expert Comment

by:ryan_johnston
ID: 35517422
See if this will help you:

http://www.intel.com/support/motherboards/desktop/sb/CS-009016.htm

Btw, your MB is an Intel D945GCCR
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Expert Comment

by:dbrunton
ID: 35517466
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Author Comment

by:hnael
ID: 35517473
Rayan you r right , I saw this no D945GCCR , IF I connect them wrong will that kill the mobo ,
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Expert Comment

by:ryan_johnston
ID: 35517487
No, it just won't work.
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Author Comment

by:hnael
ID: 35517557
Rayn , I saw the pic, when it says out , does this means the writien on the wire should fase outside , also how will I know pin 1 or 2 or whatever ?
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Expert Comment

by:ryan_johnston
ID: 35517600
It doesn't matter about the numbers in the pictures. Thats just telling you which pins are what.  Just put the cables on the the writing facing out.
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Author Comment

by:hnael
ID: 35517658
ok , but what I gt is like this power sw(red/white )2 pins , reset sw (obagine/white) 2 pins , h.d.d led(black /red) 2 pins and then one white & green cable with one pin each , so I gt total 8 but in the pic it should be 9 !!! is there a way to gt the manual pls
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Expert Comment

by:ryan_johnston
ID: 35517679
In the picture I showed you...you don't need pin 9.  Hell, you don't even need any of them plugged in except the power switch. If you have just the power switch plugged in and nothing else, it would still turn on.
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ryan_johnston earned 1000 total points
ID: 35517685
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Author Comment

by:hnael
ID: 35517687
Calm down mate , I can understand ur frustration , but thks anyway , I want ask any further , point is urs .
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Expert Comment

by:ryan_johnston
ID: 35517695
I'm not getting frustrated, just saying that those aren't a huge deal to where if you plug the wrong one in, thats it's going to fry your computer.  It simply won't work, then you try again, and repeat til it works.  If it doesn't work and they are plugged in properly then you may have an additional hardware issue such as a bad Power Supply or bad Motherboard, etc.
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Expert Comment

by:dbrunton
ID: 35517742
As long as you get the right pair of wires to the right pair of pins there is no problem.

For example you can get the power switch wires around the wrong way and it will still work.  White is usually the ground wire.

You've got two LED connections there.  If the lights don't work then reverse the connection and they should then then work.  Being round the wrong way won't harm them.

But just get the right pair to the right pins and you'll be OK.
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Author Closing Comment

by:hnael
ID: 35517770
thks
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