What are the three keys that should be pressed simultaneously during a hot start of a microcomputer?

If the microcomputer system needs to be hot-started, the key combination "Crtl Alt Del" should be pressed at the same time. Computer hot boot, also known as keyboard boot, generally starts the operating system when the computer is turned on. Hot boot has a higher startup speed because it eliminates some system self-tests.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

If the microcomputer system needs to be hot-started, the key combination Crtl Alt Del should be pressed at the same time.

Computer hot boot is also called keyboard boot. Generally, the operating system is started when the computer is turned on. Hot boot requires three keys: [Ctrl] [Alt] [Del].

Hot boot has a higher startup speed because it eliminates some system self-tests. It is generally used when the system has a "deadlock" or the system structure needs to be reset. Sometimes the hot start key is invalid due to system program disorder. In this case, a cold start must be used.

Extended information

Another way to start the computer: cold boot.

Cold boot means cutting off the power of the computer and restarting it. Once cold booted, all the memory contents will be lost. Re-detect the hardware, enter CMOS, and then start the operating system. Generally press the POWER button on the chassis to start.

The difference between a cold boot and a hot boot is that hot boot does not detect memory. Of course, when the computer is turned off, hot boot cannot complete the boot operation.

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