Оригинальный сообщение: vicky ,
1. Remove the battery on the back of the notebook, connect the computer with the power adapter, and try to boot. If the boot is normal, it is caused by poor battery contact or battery failure. 2, only use the battery, not connected to the power adapter, boot as normal, then it should be caused by a problem with the power adapter or short circuit of the notebook power interface. 3, unplug the power cord, remove the battery, long press the power button for 30 seconds, do not let go. Try to boot, if the boot is normal, then only the motherboard BIOS is not normal. 4, unplug the power cord, remove the battery, open the memory back cover, insert and remove the memory, use the rubber to wipe the gold finger part, re-tighten (do not reverse) 5, if the above operations can not solve the problem, it is recommended that the notebook be sent to the repair center for testing. Then they will tell you the problem, and offer you a solution.