What are the characteristics of cold start, reset start, and hot start of the computer?

Cold start refers to the system boot process after the computer is turned on, that is, the system boots from power-on to power-on. When the system is powered on, all the electrical components in the system are subject to the impact of a current, and this impact is easy to cause the aging of electrical components and even damage to electrical components, so there is a cold start to damage the life of the computer.

In contrast to a cold start, the process of starting a computer system without turning it back on is known as a hot start. Since the hot start is carried out in the state of system power-on, it will not cause the impact of current on the electrical components, so there is no harm to the computer hardware. A typical hot start is to press Ctrl Alt del to start.

Let's take a look at the start (reset start) process of pressing the reset key, at this time the system is in the power-on state, the reset signal is valid, and the proprietary reset circuit in the system starts to work, which transmits the reset signal to all parts of the system, including the CPU subsystem, the storage subsystem, the bus, and various peripheral chips and peripheral devices, and these parts begin to perform the corresponding reset operation and restore to their respective initial states. Of course, these are invisible to the user and are done in an instant, all we see is a memory self-test message displayed on the screen, knowing that the system has started to reboot.

To sum up, it can be seen that the boot process of reset is a hot boot process, but it is different from pressing ctrl alt del. Ctrl Alt del is equivalent to the int19h function, which can clear the memory, BIOS data area and realize the initialization of part of the system, which is essentially a software simulation of the reset process.

In this way, pressing the reset key is to implement a hot start with hardware, and pressing Ctrl Alt del is a hot start with software. Due to the startup characteristics of Ctrl Alt Del, some viruses can simulate the illusion of restarting without destroying their own data in memory, which is why pressing Ctrl Alt del may not remove viruses from memory. Therefore, after the virus is found, pressing the reset key is the safe way to completely remove the virus from the memory.

The degree of damage to the machine is getting smaller and smaller.

Like all the appliances we use every day, computers don't work until they're plugged in. However, since computers are much more complex than the various household appliances we use every day, the process from powering on the machine to preparing for various tests and a series of initializations is called startup.

One is a cold start. A cold start is when the machine is not powered on.

Step 1: Check whether the power supply is connected;

Step 2: Turn on external devices such as monitors, printers, scanners, etc.

Step 3: Press the power switch on the panel of the main chassis to turn on the main unit. At this point, the machine starts to boot, and the system first automatically tests the memory, and the upper left corner of the screen keeps showing the amount of tested memory.

Then start the hard drive, and the machine will automatically display a prompt message to enter the operating system. The second is to reset the start. The boot process is similar to a cold start.

Generally speaking, in order to avoid repeatedly switching on and off the host and affecting the working life of the machine, the reset start mode can be used in the case of ineffective hot start.

The method of starting is to press the reset button on the panel of the main chassis with your hand.

The third is hot start. The so-called hot start refers to the start of the machine when it is powered on. It is usually used when there is an abnormal shutdown during the operation of the machine.

The operation method in DOS is to hold down the "CTRL" and "Alt" keys with two fingers, then press the "DEL" key, and then lift three fingers at the same time to restart the machine. If you are working on a Windows system, you will be prompted if you really want to restart your computer after pressing the "Ctrl+Alt+del" key combination.

If you are sure, press the Ctrl+Alt+Del keys again. The hot-start process is the fastest of the boot methods described above, as it eliminates some hardware testing and memory testing. However, when some serious error makes a hot start invalid, the only option is a cold start or a reset start.

Cold start is plugged in and press the power button on the host Hot start is ctrl+alt+del by starting, restarting, that's normal start, not hot or cold, hehe.

Pressing the power key on the host panel is a cold start, pressing reset after booting is a reset start, and the keyboard ctrl+alt+del is a hot start, but the hot start is different to windows. Windows shutdown and restart the program.

Cold start refers to turning off the power of the computer and pressing the computer boot button to start, hot start generally refers to holding down the three keys of CTRL+ALT+del on the keyboard to restart, and reset start refers to the small reset button reset on the host to restart.

The so-called cold start, hot start, and reset start all refer to the boot mode of the computer, and their meanings are:

1. Cold start.

The way to start your computer with a power on is called a cold start.

The specific boot process is power-up, self-test, and boot the operating system.

2. Hot start.

It refers to rebooting the operating system through the keyboard when the computer is already turned on. It is generally used only when the machine crashes.

This is done by holding "Ctrl" and "Alt" with the left hand and "Del" with the right hand, and then releasing both at the same time. The computer boots up quickly, and the computer does not perform hardware testing during a hot start.

3. Reset start.

It means that when the computer is turned on, press the reset button on the panel of the main chassis to restart, generally when the running state of the computer is abnormal, and the hot start is invalid.

Cold start 1, the way to start the computer with the power on is called cold start.

2. Introduce "self-inspection".

3. The specific operation steps are as follows:

Power-up, self-test, boot operating system.

Hot start 1: Hot start refers to rebooting the operating system through the keyboard when the computer is already turned on.

It is generally used only when the machine crashes.

2. Method: Press and hold "CTRL" and "Alt" with your left hand and do not let go, press "DEL" with your right hand, and then release at the same time.

3. Hardware self-test is not performed for hot start.

Reset initiation. 1. Reset start refers to pressing the reset button on the panel of the main chassis to restart when the computer is already turned on.

2. Generally, it is used when the running state of the computer is abnormal and the hot start is invalid.

See here cold start refers to: the way to start the computer by power in the shutdown state is called cold start.

A hot start is a hot start when you restart your computer through the start menu, task manager, or shortcut keys.

Reset start means: press the reset button on the chassis to start, which is called reset start.

Both cold start and reset start should be re-powered on to detect the hardware, and the current will have an impact on the hardware and cause damage.

The hot start does not re-power on, does not detect the hardware, and loads data directly. Starting a computer in a shutdown state is called a cold start.

Under normal circumstances, in addition to the cold start, try not to use it when you start it, and often use it at every turn, the computer is prone to problems.

Hot start: is used when the power is on:

1 Start Shutdown and Restart OK.

2 (Alt+Ctrl+Delete) Press all three in unison to restart the computer.

This is a very old saying.,Cold start is to start in the shutdown state.,Hot start is to restart with the reset key.,But now the reset key is basically canceled on the computer.。

Computer hot start, also known as keyboard start, in the state of uninterrupted power (that is, in the boot state) of the computer program start, is called computer hot start, can also be simplified to hot start, cold start is to directly press the computer's boot button, in the case of computer shutdown start, the difference is a boot situation, a shutdown situation start.

Cold start is to restart by powering off and then repowering on, usually by directly pressing the reset button of the case.

Hot start, that is, uninterrupted power, pure software start, generally Ctrl+Alt+Del these 3 keys at the same time, or Windows click the restart in the start menu.

Cold start is to directly press the reset button on the chassis; To start a hot start is to press Ctrl+Alt+Del 2 times to restart!

Hot boot - refers to pressing the CTRL+ALT+del keys on the keyboard to start the computer, and cold boot refers to pressing the REST key on the chassis. A hot boot is used when restarting the computer when there is a problem in the system, and if the computer crashes and can't even be used for a hot boot, you can only use a cold boot.

When the machine crashes, if you press the "Ctrl+Alt+Delet" key on the keyboard at the same time to close the application, the computer still can't resume normal work, you can press the "Ctrl+Alt+Delet" key twice in a row at the same time, try to see if you can make the computer restart, this restart method is called "warm start".

If warm start still doesn't work, you have to press the "power" or "reset" button on the host to restart, this restart method is called "cold start".

When the computer crashes, try to see if you can use "warm start" to restart, "warm start" will not cause damage to the computer system, and the restart speed is relatively fast.

A cold boot is when the computer is not powered on and booted, and the hardware settings are indeed checked when it is booted;

Reset the boot is to restart the computer by pressing the reset button on the host, and there is really no need to turn the power on and off again;

Hot start is to restart the computer by pressing the hot start key combination on the keyboard (generally the PC is to press CTRL+ALT+DEL;

Because a hot boot skips some hardware check steps, a hot boot boots the computer faster than a cold boot.

Another difference is that cold boot and reset boot will erase the computer's memory data, while hot boot will not erase the computer's memory. So sometimes to get rid of viruses in memory, you have to start with a cold boot or a reset, not a hot boot.

There is no such thing as cold shut-off vs. hot shut-off.

Cold start, a way to boot a computer. It is to cut off the power of the computer, restart, once the cold start, all the memory is lost, from the first detection of the hardware, into the CMOS, and then according to the boot of the operating system. Generally, press the power button on the chassis to start.

Another way is a hot start. The difference between cold and hot starts is that hot starts don't detect memory. A cold start is when the power button on the chassis is pressed.

However, I think the above statement is outdated. There is no such concept now.

I don't know if there is, if you have to say that there is, it is the difference between illegal shutdown and normal shutdown, illegal shutdown refers to the abnormal shutdown of the system due to power failure or you long press the power button, and normal shutdown is the general shutdown method, shutdown through the shutdown option of the system.

Cold start is to press the power switch of the computer, and in this process, the computer must first perform a hardware self-test before entering the system. The inrush current will affect the life of the computer when the power is turned on. It's best to use it sparingly. (Turn on only once).

Hot start is to press "CTRL+ALT+DEL" twice in a row when the computer is turned on, the computer will restart, and in the case of hot start, the computer will directly enter the system without performing a hardware self-test. This method is fast to boot up.

Reset boot is to press the reset boot button of the computer. In this case, the computer needs to perform a self-test. Booting up is a bit slower than hot starting.

When in use, hot start is the first choice, followed by reset start, and cold start is really not possible.

Starting a computer in a shutdown state is called a cold start.

In general, in addition to using it when starting up, try not to use it as much as possible, and if you often use it at every turn, the computer is prone to problems. ）

Hot start: is used when the power is on:

1 Start Shutdown and Restart OK.

2(alt+ctrl+delete)

Press all three in unison to restart the computer.

There is no problem with starting the computer with a hot start)

The difference is that one is bad (cold) and the other is good (hot).

A hot boot is a reboot of your computer without interruption of power.

Cold start is power-on start, turn on the power to start the computer.

Here's the difference: First, understand the process of starting up your computer.

The simple thing is that after the computer is powered on, after the voltage is stable, the BIOS program of the motherboard will start to detect every hardware device of the computer (power-on self-test), and if there is no problem after the detection, it will be handed over to the system system and start to boot to the system, and we can see the screen of the system startup. All the way to the boot process of the entire computer from hardware to software.

The difference between hot start and cold start is that at the beginning, hot start is directly re-tested by BIOS in the case of computer use, and cold start requires us to turn on the power supply and have a stable voltage process.

Starting a computer in a shutdown state is a cold start.

Everyone knows that you have to cold boot to boot after a crash, but this will have an impact on your computer in the long run.

The system has three startup modes: cold start (press the power button), hot start (press the CTRL+ALT+DEL key), and reset start (press the reset key). Cold start includes general work such as power-up, full self-test, and system initialization; A hot start is not required.

The re-power-on and self-test range is small; Reset start does not need to be powered on, only a small range of self-test.