How to prohibit Win7 computer in idle state automatically shutdown?

Perhaps for many friends, only heard of the Win7 flagship in the idle state will automatically enter the lock screen, screensaver status, and did not hear that the computer will be in idle state automatically shutdown it? But you don't say, in real life there is really such a situation. Small knitting has a friend because the home network speed is not very good reason, so always like to download things in the free time, neither account for speed, nor delay time. But a while ago, he found that every time he woke up, the computer is shut down, things did not download good, so they secretly observation, but found that the Win7 system in the idle state will soon be automatically shut down, then such a problem, how do we solve it?

1. The first step, we can first look at the hardware of their own computer problems, to see if the latest version, and sometimes the hardware version of the old will also cause the computer suddenly shut down automatically. If this is the cause, we can directly upgrade.

2. If it is not a hardware version of the cause, we can check the Win7 system driver, such as keyboard, mouse and so on whether there is a wake-up computer, the operation is as follows: At the same time, press Win+x+p to open the computer Control Panel, and then click Open Device Manager, in which to find the mouse and keyboard options and right click , in the pop-up window, switch the interface to power management, "allow this device to wake up the computer" check, and then click OK to exit the Settings window.