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Z68MA-D2H-B3 no power

jlwing

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Z68MA-D2H-B3 no power
« on: June 16, 2011, 12:48:09 pm »
Hi,

Thank you for taking the time to read my post.

The board wont power on. Is there any way to tell if the board is getting power?

Friendly Regards
Jonathan

Aussie Allan

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Re: Z68MA-D2H-B3 no power
« Reply #1 on: June 16, 2011, 01:25:50 pm »

 Is the CPU fan spinning up.....any LEDS..........Odds on there's power

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jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #2 on: June 16, 2011, 01:56:21 pm »
No the board does not power on. I was trying to find a way of determining what the problem is, I've tested the PSU and it works. With my DFI lanpart board for example an orage led lights up when you plug in the power even with no components, I wanted to know if the gigabyte motherboard had the same or not. I'm not sure if I should buy a new case or not to test the motherboard.

Aussie Allan

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Re: Z68MA-D2H-B3 no power
« Reply #3 on: June 16, 2011, 02:11:13 pm »

 If your sure the board is connected up properly........sounds like it's toast for some reason. 

 Do you have access to a shop or friend with equipment that can confirm the board is DOA... ?

 It's a bit hard to fault find over the forum if it can't even power up with a good PSU.... do you agree!

 Aussie Allan
i7-4790K @4.8GHz 24/7 water clock
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jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #4 on: June 16, 2011, 03:49:31 pm »
Yes thats the problem I face is that I can't judge if its broken or not.

The PSU is a "be quite! pro 750W" and I have plugged the main ATX power plus 4pin addition in. Then I plugged the P4 12 volt CPU plug in.

I don't even know things like if there is no CPU and RAM will the board power on for a short time and will the PSU fan spin as a result?


jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #5 on: June 16, 2011, 04:05:27 pm »
I'm going into to town to buy a power switch alternative to eliminate the possibility of it being my case.

What I also need to know is if the board would show signs of power even if I had faulty components like CPU and RAM, can I get an indication of workingness without those components inserted.

Dark Mantis

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Re: Z68MA-D2H-B3 no power
« Reply #6 on: June 16, 2011, 04:20:00 pm »
Hi

I really don't like these Be-Quiet PSUs and just wanted to make my standpoint clear. I wouldn't be at all surprised if it is the problem but a short to the chassis from the motherboard would give you the same symptoms. I would advise doing this:

The next thing is to remove the motherboard from the case and test it on the workbench.

Make sure that you observe anti-static precautions.

Lay some cardboard or use the motherboard box that is non-conductive on the worktop and remove the motherboard/CPU/heatsink/fan/buzzer/one stick of memory and PSU from the case and put it on the cardboard. Add the keyboard and now I know you haven't got any graphics but try and boot. The system should try and then fail emitting a series of beeps. Please post what sounds it makes.


This video shows you how to test a PSU easilly. Shame Corsair used to have a much better one on their website but it has been removed now.

http://www.youtube.com/watch?v=VXzrCr0RLm4
« Last Edit: June 16, 2011, 04:27:35 pm by Dark Mantis »
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jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #7 on: June 16, 2011, 05:43:00 pm »
This board comes with onboard graphics based on the intel CPU.
I will try the steps you suggested.
Would it be worth buying a PSU tester for £19 which has leds to indicate power but does not tell you load?
I've just acquired separate power switches and power led's just incase it was the case.

jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #8 on: June 16, 2011, 06:20:55 pm »
With my new loose power switch and the instructions above the motherboard booted and appears healthy. I will post a video for those who read this post and have had similar troubles.

Great community help, thanks.

and here it is:
http://www.youtube.com/watch?v=rxNwDsoZPFk&feature=youtube_gdata
« Last Edit: June 16, 2011, 07:03:03 pm by jlwing »

Aussie Allan

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Re: Z68MA-D2H-B3 no power
« Reply #9 on: June 16, 2011, 06:28:23 pm »

 Good one DM

 Aussie Allan
i7-4790K @4.8GHz 24/7 water clock
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jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #10 on: June 16, 2011, 07:05:14 pm »

 Good one DM

 Aussie Allan

Yes thanks for making me do that, you saved me a lot of hassle.

Dark Mantis

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Re: Z68MA-D2H-B3 no power
« Reply #11 on: June 16, 2011, 07:53:04 pm »
Presumably it was a short to earth via the chassis then. Check out the motherboard standoffs as this is the most common of shorts to be found. Either too many or one in the wrong place.
Gigabyte X58A-UD7
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Dominators 1600 x6 12GB
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Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
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Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
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3 x 27" Iiy

jlwing

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Re: Z68MA-D2H-B3 no power
« Reply #12 on: June 16, 2011, 08:23:24 pm »
Not this time, it was the power button on the chassis. The lights flashing on the PS2 keyboard helps when checking if things have power, forgot about that one.

Turns out putting a jumper on the power supply button/sw or trying to complete the circuit did not work for me this time round, i needed a working power switch to resolve the issue.
« Last Edit: June 16, 2011, 08:24:40 pm by jlwing »

Aussie Allan

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Re: Z68MA-D2H-B3 no power
« Reply #13 on: June 16, 2011, 08:40:43 pm »

 Great you got there in the end with a definitive ..........."GOTCHA!"

  It's always with 20/20 hind sight all the little tricks come back in your memory........on the motherboard front panel header, there's one pin in red marked power..if you short this pin with the one directly underneath it .... this will do the same as a connected power switch......to turn off I usually just hit the wall switch..........not the most elegant power down, but fine if your just testing

 Aussie Allan
i7-4790K @4.8GHz 24/7 water clock
MSI XPower AC
32GB corsair  2666Mhz
 GTX-1070Ti full cover
Lange DDC elite pump
G changer360 Rad x2
Phobya 450 balancer
W10 Pro-64
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1x500GB for clone
6x2tb- raid5-Storage
C: Evo 970 Pro 512gb
Scratch:Evo 970 Plus 512gb

Dark Mantis

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Re: Z68MA-D2H-B3 no power
« Reply #14 on: June 16, 2011, 08:56:32 pm »
Some of these cases are fitted with really cheap crappy switches which is stupid considering the price differential between them and a decent switch.

If you were shorting the correct two pins the board should have started if done properly as that is all any momentary switch will do. Anyway main thing is that you found the problem. ;)
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy