english for computer unit 7 maintenance and safety

Unit 7 Maintenance and Safety

Content

* Vocabulary for Act

* Computer Crime Act

* Help

* Troubleshooting

* Future trends

* Online Protection Tools

* Cleaning the keyboard

* Cleaning the mouse

* Cleaning the monitor

* Safeguarding against malware

* Other maintenance techniques


Help

Any program always come with the instruction manual, or a portion of the manual, integrated into the program. If you have some problem or forget a command while the program is running, you can summon the documentation by pressing Help key or entering a HELP command. F1 on keyboard is used in Windows for the Help key.


Help

When you summon the Help system, the program often displays a menu of Help topics. You can choose the appropriate topic for whatever problem you are currently encountering. The program will display a help screen that contains the desired documentation.


Help

The Macintosh Help system is often referred to as Balloon Help because the help messages appear in a cartoon-like balloon. And newer Macs also have something called Interactive Help, which contains tutorials that display you how to perform different operations.


Troubleshooting

It is process to find the cause of problem to fix fail products or processes. It is used for repairing hardware, software and other products. For example; troubleshoot problems, and get the fixing internet connection problems


Troubleshooting

Unplug the modem, then plug it back in How can you do? If you were able to surf the website but now you can’t.


Troubleshooting

Step: •Close your Internet browser if it’s open. •Unplug the modem’s power cord. •Count to 15, which lets the modem power down. •Plug it back in. •Wait two minutes for the modem to initialize the connection. •Open your web browser. •Try to open a reliable web page, such as www.google.com.

http://www.google.com/


Cleaning the keyboard

1. Unplug the keyboard from the USB or PS/2 port. If the keyboard is plugged into the PS/2 port, you will need to shut down the computer before unplugging it.

2. Turn the keyboard upside down, and gently shake it to remove dirt and dust.

3. Use a can of compressed air to clean between the keys.


Cleaning the keyboard

5. Reconnect the keyboard to the computer once it is dry. If you are connecting it to a PS/2 port, you will need to connect it before turning on the computer.

4. Moisten a cotton cloth or paper towel with rubbing alcohol, and use it to clean the tops of the keys. Do not pour alcohol or any other liquid directly onto the keys.


Disk Cleanup


Disk Defragmenter

Unit 7 Maintenance and Safety Cleaning Mouse (Answer)

1 b. Unplug the mouse from the USB or PS/2 port. If the mouse

is plugged into the PS/2 port, you will need to shut down the

computer before unplugging it.

2 a. Moisten a cotton cloth with rubbing alcohol, and use it to

clean the top and bottom of the mouse.

3 d. If you have a mechanical mouse, remove the tracking ball by

turning the ball-cover ring counterclockwise. Then clean the

tracking ball and the inside of the mouse with a cotton

cloth moistened with rubbing alcohol.

4 c. Let all of the parts dry before reassembling and

reconnecting the mouse. If you are connecting it to a PS/2

port, you will need to connect it before turning on the

computer.

english for computer unit 7 maintenance and safety

Education