n4030 installed is the first generation CPUi3 380m products, the motherboard is hm55 chipset, has been very old, motherboard upgrade support ability is limited, intend to upgrade, motherboard can only support the installation of a generation of i3\/i5\/i7 dual-core CPU upgrade, a generation of i7 quad-core power consumption, the local radiator ability is poor, can not afford to take, The i5 480m can be upgraded.