The main ways
Decide what kind of Troubleshooting on your notebook you are more comfortable. In this regard, there are two main types: technical and programmatic. Technical methods aimed at changing the connection of units laptop. In this case you will have to work with his hands, and the laptop is seemingly faulty. The software is based typically on changing the settings of the boot process laptop. This may be due to changes in the operating system boot and prevent the boot device in the BIOS.
If you want the laptop seemed quite "dead", the most simple and effective way is to disable the power circuit. This means that you will have to disconnect the power plug on the motherboard. However, this method is dangerous if you are not well versed in the intricacies of the connection elements of the computer and you have no experience opening a laptop.
More simple ways are disabling the power button on the laptop or disconnecting items such as the hard disk or RAM. The mute button will allow to disguise of the surgery, but it is not always possible to get close enough to connect the button to turn it off. Hard disk and strap memory, as a rule, are on view.
Remove the back casing of the laptop using a notched screwdriver. Do not give excessive force, if any part of the body is not removed. Try to Unscrew all the screws and carefully remove the cover. Removing the lid, you'll notice that you have access to the hard disk, RAM and to connect the cooling fan (cooler). Disabling any of these elements will not allow the system to operate.
Use software to disable the laptop boot if you don't want to get into the computer. Turn on the laptop and in the beginning it is loading press F2. A window will appear with the BIOS settings. Going to the tab Boot, you will see a list of devices that are loaded by the processor when turning on the laptop. Devices in the list are arranged in the order they are loaded. In order to download the operating system has not started, select it in the list with the name of the hard drive. Press the Enter key. Will appear the list of devices. Select any other device is listed, or, if possible, empty paragraph. Press F10 to save settings and reboot. Now download to your laptop will stop almost immediately after switching because of the inability of the hard disk.