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What you could be experiencing is is a short from the bottom part of the motherboard and one of the screws standoff in the computer case. First remove the mother board and notice all of the screws holes and examine the reverse side of the motherboard for scratches around these holes. if you find any use an insulator ( plastic or cardboard washer) on the underside of the hole where it meets the case srews stand-offs. Also check for screws already in place in these stand-offs that might be shorting the motherboard.
What else can I help you with?
Which two common computer problems could cause a motherboard to short-circuit?
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What could be the cause if a popped fuse is found in an electrical circuit?
A popped fuse in an electrical circuit could be caused by an overload of electrical current or a short circuit.
Could the conductive pathway or signal be damaged in my circuit board, causing it to fail?
A short circuit on a motherboard can severely effect it's performance, causing it to fail. Something could indeed be wrong with the conductive pathway or signal.
What could cause a fuse to blow?
AN over-current situation. Could be a short to ground, or a circuit overload.
Will overcharging cellphone cause electrical short circuit?
No, overcharging cellphone will not cause an electrical short circuit.
How would you examine a motherboard when looking for evidence of a short circuit?
Because motherboards are volume manufactured printed circuit boards, a short circuit will probably be immediately noticable as physical damage and/or a burned component.
Why is a short circuit considered a safety hazard?
A spark from a short circuit can cause a fire .
How can an ammeter cause a short circuit?
An ammeter can cause a short circuit if it is connected in parallel instead of in series with the circuit being measured. This can create a low resistance path for the current to flow, bypassing the intended circuit and causing a short circuit.
Can switchboard explosion cause short circuit?
A short circuit is what usually causes a switchboard explosion.
Can a short circuit cause low voltage?
Most likely a short circuit will cause no voltage. Due to the high current on a short circuit fault the over current protection of the circuit will trip. This will cut the voltage supply off completely.
Do not use flammable cleaners or water on electrical eguipment?
A spark could cause the flammable cleaners to burst into flames. Water could cause a short circuit and burn out components.
When a tree falls on power lines grid what fault is it?
It depends on what happens. It could cause adjacent conductors to clash (line-to-line short-circuit fault), or it could break a conductor which then makes contact with the ground (line-to-earth short-circuit fault), or it could be neither of these.
