Lenovo G500 is a good laptop but the problem I face is that the cables from the CPU to monitor around in my laptop so I have fluctuation problem in the monitor while I on my laptop my monitor screen gets Gates white black white black so where should I go to solve this problem means where should I get the cables of the monitor connecting to the CPU once I get the cables in the laptop is totally fine there is no problem of hanging in this laptop OS is completely fine 4GB RAM is sufficient for me neither a problem is there in gaming nor software running