1, the memory is small, and there are few startup items for the new system. You may feel stuck at first. The system took a while and loaded a lot of things. Physical memory consumption is too large, memory is small, and it is stuck. My laptop started recently with 2G memory win7 64.

2, caused by dust, open more web pages, QQ space, Zhongguancun such a big web page, stress test in Kailu Master, listen to the loud fan, put your hand on the air outlet to see if you feel the hot air blowing out, there will be a strong hot air blowing out normally, if not, the dust will be blocked, and the high-temperature notebook will be degraded and stuck.

3. Did you accidentally make a mistake in the power mode? The CPU will not work completely in power saving mode. Check method: right-click the desktop gadget and select Intel Turbo, then you can start the game at will, run the program at the best size, and then pay attention to whether Turbo is displayed in coolie on the desktop. If Turbo is used, a blue bar will be displayed.