How to restart hanged laptop or frozen laptop having fixed battery

Two ways to restart your laptop to normal mode when it is frozen
Laptops are becoming more and more affordable day by day, But the cheaper laptop is the bigger problems are.
Today many companies are offering Laptops even at a very low prices.
But these budget Laptop come with "Fixed battery" and create problem when it hangs or freezes.There isn't any restart key in  such type of Laptops.
There are only Two ways to RESTART FIXED BATTERY LAPTOP;
1. USING MOUSE:::
If your Laptop freezes on screen saver just insert the mouse and press Left click button or swipe up the screen saver it will UNFREEZE THE LAPTOP.
2. USING POWER KEY:::
Long press power button to turn off your  Laptop, Turn On after 20 seconds Your PC will work Normally.
Note: In some laptops Restart duration is more then 30 Seconds so keep on pressing power key unless your laptop turns off or restarts.