How Easy is It to Break a Motherboard
As the title asks, what causes a motherboard to break?
In my experience, you're most likely to encounter a faulty motherboard straight out of the box as DOA - usually through manufacturing defects. The best way to avoid this is to buy from one of the top-tier manufacturers.
Obviously there are various reasons that a working motherboard can give up the ghost independently of other components, the most likely reason (again in my experience) being failing capacitors. But I'll stick my neck out here and say that MOST motherboards fail due to being killed by bad voltages from a poor quality or failing power supplies.
they can 'break' due to physical causes such as u dropping it or accidental damage etc. Otherwise, they can get damaged due to power overload or electostatic charges. They can also get damaged due to dust and dirt.
It's really only the processor and video card that are at risk of overheating, and in this case, you'd know about it soon enough, with system instability and/or graphical glitches.
The northbridge chipset on the board CAN overheat, but they're always cooled either passively (with a heatsink) or actively (with a fan). I've seen cases of chipset fans failing and killing the board, but again, it's likely you'd see instability first.
What motherboards have you been buying? Cheap ones are obviously more prone to failure than better quality ones!
Bad voltages most of the time if it isn't DOA.
Otherwise, any of the following:
Pouring tea on it, kicking it, running it over with a car, stabbing it with a screwdriver, sitting on it, using it as part of an ad hoc coffee table, using it as a weapon, using it as a breakfast tray, using it as a pin up board, etc.
I had a mobo die from the small amount of static that built up every time you plug in a USB device. Eventually it just fried one of the chips and that was it! This was a common problem with this specific motherboard.
Since you mentioned 2 mobos have died I'd take a guess and say its some kind of electrical fault, like the case/mobo/psu not being grounded properly.
Or it could simply be poor quality motherboards to start off with.
The most common issue I have had is the North bridge burning out.
Like most faults this is just due to power surge. Hence why I always get a top of the range PSU with new builds.
Two most common failures I have seen 
Dodgy Power Supply - this is the number one cause and seen it loads of times
Popped capacitors - Now thankfully rare but a few years back it was very common.
Does the MotherBoard Will Destruct if you just turnned off the AVR (Automatic Voltage Regulator)of the computer while the computer is still Functioning ? For Example the computer is still Functioning then you suddenly turrned OFF the AVR!!! Does it Affects the MOTHERBOARD???
(Original post by teaz123)
Does the MotherBoard Will Destruct if you just turnned off the AVR (Automatic Voltage Regulator)of the computer while the computer is still Functioning ? For Example the computer is still Functioning then you suddenly turrned OFF the AVR!!! Does it Affects the MOTHERBOARD???
does it?
No idea but I've found with my dad's old (emachines) desktop that there seems to have been a design flaw in the production of the MSI mobo where everything to the right of the 1st RAM slot would be unsupported by screws and posts etc... Just so you know, everything to the right of the 1st RAM slot included:
-other RAM slots
-20pin main power connection from the psu
-IDE and FDD cables
-SATA cables...
so basically, you're putting a lot of pressure onto an area of the motherboard that isn't designed to take that pressure so the PCB will most likely snap or damage the copper tracks of the PCB, hence leading to non-boot of the pc...I had a lot of fun with that pc over easter trying to get it to boot up consistantly...
the moral? - always make sure there's enough screws in the motherboard, especially around the cable connections...and never buy an emachines pc...
This thread is from 2008! Please check dates before posting in future.
Thread closed. 
Source: https://www.thestudentroom.co.uk/showthread.php?t=527764
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