Boot the computer monitor did not respond

Boot the computer displays no response, strong restart after a few good clearance, and then open or shut down this
notebook computer is HP compaq 3431au

is not the point you start the machine did not start? should have taken place in some of the hardware of the conflict! remarkable display of paintings of the broken pipe may be dozens of pieces of money can repair the power is the most direct causes of the problem, .But apart from power, we know when the damage to the main board, will also appear on this issue? Board has divided North and South Bridges (N board system integration is only one chip), when the north and south bridge chip damage may be caused by plane can not be opened .The second is the jumper, which is a power switch.The general can easily be overlooked, I also inadvertently found.Because generally they are not thinking of switching will be bad.I just have a jumper to pull the use screwdriver to touch, On the right, plug in a jumper to open the can, be found.And the most easily overlooked is that motherboard battery is dead! In general we have the impression that the battery is dead motherboard BIOS is the most time to restore and preserve the information can not, this is not the case.A lot of motherboard, especially before some of the old board, the motherboard battery is dead can not be opened, for a new Immediately like this is discovered accidentally.Is likely to last too much dust, and the conductive part of the connectivity on the motherboard close to the spot, sometimes all do some clean enough.Therefore, when a plane can not be opened, we do not That was just a bad power supply, it is necessary to check various aspects.