About the memory problem, the computer will have any problems, in fact, there are many situations, roughly the following:
1, memory plugged in after the motherboard alarm. This situation is not able to boot. This is part of the memory bad case.
2, after the boot appears 000x000000 blue screen, this situation is the memory frequency and motherboard bus problems, may be the motherboard does not support the frequency of the memory.
3, the machine boot normal, but in the operation of large operations or games in the blue screen, similar to the 2nd situation, that this may be a memory of the timing of the disorder, may be your overclocking caused by memory timing disorder.
4, machine operation, operation, the game is all right, but in the system properties can not display the memory capacity or less memory capacity, this situation may be your system problems, or the motherboard slot is broken and then did not recognize one of the memory, this situation the motherboard is not to alarm.
5, the memory of the gold fingers broken down. If you have two memory, the system will only recognize that there is no broken memory, so there will be a situation, so that the motherboard will not alarm, if the single plug this bad memory, then the motherboard will report to the police.