Windows7 operating system basic tutorial foundation 1: boot shutdown (a)

computer a precision electronic device, the operation should be accurate and careful;

1, boot

1) The general computer generally includes a display and a host computer. The power switch of the display is generally in the lower right corner of the screen, and there is a round vertical line icon next to it, which is gently pressed to the end and released. At this time, the indicator light becomes bright, and the flash turns orange to indicate the display. The power is already on;

2) The switch of the main unit is usually on the front of the chassis, one of the largest round buttons, and some on the top, there is also an indicator light.

Press gently to the end, then release, wait for the indicator light to light up, hear the sound in the chassis, the indicator light turns from orange to green, and the host power is turned on;

3) Many computers are equipped with a regulated power supply or a UPS uninterruptible power supply. At this time, these devices must be turned on first, and then their lights are turned on and then turned on. Power supply;

4) After the computer is powered on, it is followed by patience At this time, you will see the red light on the mainframe flashing, this is the hard drive inside is working hard;

5) Wait until the music is heard in the speaker, the mouse pointer on the desktop is no longer flashing Everything in the lower right corner of the screen comes out, and the computer starts up successfully;

6) The computer that started successfully is in a waiting state. After a while, the screen automatically displays a transformed screen. This is the screen. The protection program is running to prevent the display from being burned out for a long time in a certain place;

7) The display will turn black for a long time, and the indicator light will turn orange. This is the system's power management automatically enters the power saving mode. , when the host lights remain on, move the mouse or press the space bar will return to normal;

2, shut down

1) is off Refers to the computer's system shutdown and power off, first close all open windows;

2) Sometimes a dialog box will appear to remind you whether to save the file:

When it is useless, click "Do not save" to close, useful files Just click "Save", then enter the file name, close all windows, the task bar below the screen is empty, there is no white icon,

3) then you can single Click the "Start" button in the lower left corner, then click "Shutdown" on the right,

At this time, the message "Shutdown..." is displayed, wait for the power indicator on the main unit to go out. The indicator on the display turns orange,

4) Press the switch on the display again to turn off the display, the indicator goes off, and the computer is safely turned off,

Press the power supply and UPS to turn them off again.

5) Pay attention to the time between power-on and power-off. Never press the switch repeatedly. Generally, the number of hearts will be turned on after 20;

Pay attention to hygiene, protect your eyes, keep it clean and tidy, and place your stools neatly;

3, Practice:

1) Point out the power switch and indicator light on the monitor and main unit on the computer;

2) Practice turning the power on and off again, pay attention to the power and wait for a while to turn it on again;

Machine startup and shutdown of the basics, if you successfully complete the training, continue to the next lesson content;