Its almost impossible to turn off laptop’s monitor without putting it into hibernate/standby mode. But the problem with this is that you can’t run any programs while in hibernate or standby mode. So, how to turn off laptop’s monitor without affecting any running programs?
Use MonPwr Utilty
MonPwr is a freeware utility that lets you turn off your Laptop’s monitor. You just need to click a button and the monitor will turn off. To turn it on again, press space or enter key. When you turn off the monitor using MonPwr, the processes running in the background are not affected. The current version of MonPwr is compatible with all versions of Windows.
Use Dark – A Light System Tray App
Dark is a small and lightweight application that lets you turn off your laptop’s monitor by double clicking its icon in the system try (or notification area).
Its an open source application which is written using .NET platform. Its compatible with Windows XP and Windows Vista.
You can use any of the above tools to turn off your laptop’s monitor. Unfortunately both these application work only if your laptop is running Windows OS. If you know about any similar app that works on Linux or Mac, then do let me know using the comment form below.