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*Need Advise Please* New HTPC build - Blown Ac Power Brick !? Help.

post #1 of 8
Thread Starter 
Hi all new guy her, I have just recently built a HTPC with the following components.

Case - Streacom FC1 EVO

Motherboard - MSI A88XI AC MITX

PSU - 160w PicoPSU Bundle (with 150w Power Brick) >
* AC Input: 100-240V AC 1.8A 50-60Hz
* DC Output: 12V 12.5A (150W)
* DC Tip: 2.5mm x 5.5mm Jack - Centre Positive
* Efficiency : >85%

Cpu - A6-6400K 4.1GHz FM2 Dual-Core (64W)

CPU Coller - Noctua NH-L9a

Ram - 1x 4GB DDR3 1866 MT/s (PC3-14900) CL9 @1.5V Ballistix Tactical

HD 1 - WD 1TB Scorpio Blue 5200rpm (2.5")

HD 2 - Hitachi Travelstar 5200rpm 640gb (2.5")

Case Fan - 1x Fractal Design 40mm

Installation of all the components went a breeze, i booted up with the bios set as factory defaults and installed windows 7 !

After windows installed i noticed the ram was running at 1333mhz so i changed it in the bios to run at 1866 (This is the only change i made in the Bios) I rebooted back into Windows and performed a windows update and 20 mins into the update i heard a loud pop, i checked the system and tryed to boot up only to find the system wouldn't power up !! i changed the fuse but it didn't make a difference the brick was dead !! mad.gif

Its my first HTPC build using the PicuPsu & AC adapter and i'm hoping someone hear can shed some light on why the adapter would blow up ? there are no loose wires in the case and everything is connected up the way it should be. Does anyone have any ideas as to what happened or anything i can check to find out what happened? I really don't know what i've done wrong or what i should look at.


Thanks

Paul
Edited by Paul Best - 3/28/14 at 6:50am
post #2 of 8
welcome to the forums Paul,

Do you have a multimeter to check where the problem is - either the 12v power brick or the pico PSU.

Do you have a normal PC power supply you can use to check that the board and other components are ok.

Also, I'd change your memory configuration as you're only running single channel so only achieving half your potential memory speed
 
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post #3 of 8
Thread Starter 
I have tested the system using another Ac adapter and everything seems ok, computer boots up fine ! So thankfully nothing else is broke/damaged. I tryed a few different 5amp fuses with the 150w brick that fried last night but its completely dead mad.gif
post #4 of 8
Thread Starter 
Also on a side note have re-checked the system for any loose wires as such but everything seems fine, i don't know what could have happened ??
post #5 of 8
where did you buy the power brick from? It was probably just a cheap adapter. Contact your shop, they should accept a return as even if you tried to draw more than its design power it should have some over current protection rather than just go pop
 
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by pharcycle View Post

where did you buy the power brick from? It was probably just a cheap adapter. Contact your shop, they should accept a return as even if you tried to draw more than its design power it should have some over current protection rather than just go pop

It came as part of a bundle from hear > http://www.kustompcs.co.uk/acatalog/info_1166b.html

Ive sent them an email explaining whats happened, still waiting for a reply. I
post #7 of 8
Thread Starter 
Quote:
Originally Posted by pharcycle View Post

where did you buy the power brick from? It was probably just a cheap adapter. Contact your shop, they should accept a return as even if you tried to draw more than its design power it should have some over current protection rather than just go pop

I got the PSU bundle from Kustompcs uk, it came with the brick ! is there anyway to tell if the brick i have is a cheap model etc ?? Also thx Pharcyle thumb.gif
post #8 of 8
not without opening it up and that'll almost certainly invalidate any chance you have of getting it replaced... I guess if it feels light and rattly then that's a potential indicator that it's cheaply made. I think Kustompcs are reasonable but I've never used them. Do you have a multimeter? It would be interesting to probe the output of the brick and see if it was that or the pico that is at fault.

Simplest option will be to replace the whole unit under warranty. I find it hard to believe your system would be drawing more than 150W let alone the 200W peak it claims to be able to handle. Possibly just a bad batch, it happens.
 
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Overclock.net › Forums › Specialty Builds › HTPC › *Need Advise Please* New HTPC build - Blown Ac Power Brick !? Help.