What should I do if Win7 cannot wake up after entering sleep mode?

When you are operating Win7 system, if you do not need it for a period of time, in addition to shutting down, you can also choose to enter sleep mode. Win7 sleep mode has many advantages, and the wake-up speed is much faster than the boot. However, some friends have encountered the situation that Win7 can't wake up after entering sleep mode. What should I do if I encounter this situation? The following provides a useful solution.
First, in the desktop start menu, call up the run dialog, then enter the CMD command in the run dialog, and then open a command prompt window. Then type the “powercfg -a” command in the command prompt window and press Enter.

Second, if the following information appears on the screen, your computer hardware supports the standby sleep function. If the hardware does not support the standby sleep function, you need to upgrade the BIOS.

3. If you want to check which devices can wake up the Win7 new radish home system, you can type “PowerCfg -DEVICEQUERY wake_armed” in the command window, and then press the Enter key to display the following.

Fourth, if the mouse or keyboard device is not listed, it means that the hardware does not have a wake-up function. So open the wakeup function in the Windows system settings.
Win7's sleep mode is popular with everyone, not only because it can wake up quickly, but also because it does not need to close your ongoing work, as long as you wake up sleep mode, you can return to work, let you If you haven't been affected, you haven't used your sleep mode yet. Let's experience it.