hard boot


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Related to hard boot: Cold boot

hard boot

(operating system)
A boot which resets the entire system.

The phrase has connations of hostility toward, or frustration with, the computer being booted. For example, "I'll have to hard boot this losing Sun", or "I recommend booting it hard".

Hard boots are often performed with a power cycle.

Contrast soft boot. See also cold boot and reboot
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

cold boot

Starting the computer when its power is turned off. To perform a cold boot if the computer is running, select Shut Down. Once the machine is off, turning it back on performs the cold boot.

If the computer locks up, a cold boot is necessary because a restart ("warm boot") may not be sufficient. A cold boot removes power and clears memory (RAM) of all internal data and counters that keep track of operations, which are created by the OS and applications when they run. Erratic program behavior is often cured with a cold boot, also known as a "hard boot."

Remove the Power
Even when shut down, computers may occasionally retain settings in RAM. The only way to absolutely guarantee RAM is cleared is to remove the power source, which means unplugging a desktop computer or removing the battery in a laptop. Laptops with non-removable batteries are typically cold booted (reset) by holding down the power button for 10 or more seconds. Sometimes another key or button must be pressed along with the power button.

A/V Equipment
TVs, A/V receivers and set-top boxes generally draw power when turned off, and they must be cold booted by removing their power cables to reset them. Contrast with warm boot. See boot, clean boot and hard reset.

hard reset

To restore a smartphone or tablet to its factory settings, which erases all applications that were installed by the user as well as all user data. In contrast, a "hard boot," also known as a "cold boot," which is performed on a computer, does not eliminate data and software, except for data being worked on in memory that was not saved. Contrast with soft reset. See cold boot.
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