Lenovo C225- User Manual

2 User Guide 1.1 Front view of the computer Built-in microphoneCameraPower buttonBuilt-in IR receiver (Only functional on models equipped with a IR receiver module)Hard disk drive indicatorWireless LAN card indicatorLCD ON/OFF indicator (When turning on the LCD, the indicator light will beoff; when ...

3 User Guide 1.2 Left and right views of the computer Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause thermal problems. Memory card reader Microphone connector* USB ports (2) Optical drive Headphone connector * Microphone connector: The built-in speakers ca...

4 User Guide 1.3 Rear view of the computer Ethernet connector TV tuner port USB ports (4) Power connector 1.4 Computer stand Use the stand to position the display to your preference.It can be adjusted from 5˚ forward to 25˚ backward. The stand provides stability to the computer; it is not a removabl...

5 User Guide Attention: The computer stand must remain installed at all times to ensure maximum system stability. 1.5 Connecting your computer Use the following information to connect your computer: • Look for the small connector icons on the back of your computer. Match the connectors to the icons....

6 User Guide 1.5.3 If you have audio devices, attach them using the following instructions: 1 2 Microphone Use this connector to attach a microphone (purchased separately) to your computer when you want to record sound or if you use speech-recognition software. Headphone Use this connector to attach...

7 User Guide 1.5.5 Connect the power cords properly to grounded electrical outlets. 1. Plug the power adapter cord into the back of the computer.2. Plug the power cord into the AC adapter.3. Plug the power cord into an AC power source. 1.5.6 If your computer is equipped with a Memory Card Reader Con...

8 User Guide 1.6 Important information about using the computer Press the power button on the bottom left of the screen to turn on the computer. Hold the computer tightly when you carry it.

1 2 3 4 5 Chapter Touch screen user instruction This chapter contains the following topics:  Touch Screen Calibration  User Gesture Instructions for the Touch screen  Attentions when using the Touch Screen Attention: Only some selected models are equipped with touch screens. User Guide 11

12 User Guide The monitor has touch capability due to a touch-sensitive screen installed. A touch screen is an input device just like a mouse or a keyboard, and the user’s hand transmits position information via the touch screen to the computer. With this technology, you only need to touch the pictu...

13 User Guide 2.2 User Gesture Instructions for the Touch screen The Touch screen supports single touches and rotational movements, enlargement and reduction multi-touch operations, and the user can transmit position information to the computer via touch. The touch screen uses a very low pressure mo...

21 User Guide 2.3 Attentions when using the Touch Screen 1. When using it please remember not to tear the screen surface with any sharp object. 2. In order not to affect the normal use of the touch screen, please keep its surface clean and dry, and ensure that your fingers are clean and dry. 3. In o...

1 2 3 4 5 Chapter Using the Rescue System This chapter contains the following topics:  OneKey Recovery  Driver and Application Installation  System Setup  System Backup  System Recovery  Create Recovery Disc Attention: Using this program will result in a loss of data. • You can recover the C d...

24 User Guide Note about the service partition: The files and relevant data used by the rescue system are saved in the service partition. Deleting this partition will make the rescue system unusable. For more detailed information, see the following instructions: By selecting Control Panel → Administ...

25 User Guide Method 1: Automatic Installation Repeatedly press and release the F2 key once turning on the computer until the Lenovo Rescue System open, then select Drivers and Application Installation . Follow the screen prompts to install the Lenovo Drivers and Application Installation. Click Inst...

26 User Guide 3.3.3 Password Management Password Management allows you to set the password for Lenovo Rescue System and manage it. The default password is blank. Set a password when you access the Password Management for the first time. If you don’t want to set a password, access the system directly...

1 2 3 4 5 Chapter Using the Computer Software This chapter contains the following topics:  Computer software instructions Note: The interface and function of each of these features are subject to the actual software that was shipped with the computer model that you purchased. User Guide 27

28 User Guide 4.1 Lenovo Dynamic Brightness system Lenovo Dynamic Brightness System can automatically detect the surrounding ambient brightness and will adjust display brightness accordingly. You can set the screen brightness to a comfortable level for different environments. You can also set the di...

29 User Guide 3) Confirm that Devices → Lenovo USB2.0 UVC Camera has been checked. If there are other devices in this option, do not check them. Only choose the “ Lenovo USB2.0 UVC Camera ” device, and the window should display the camera image. An image, which is caught by Lenovo PC camera, will be...

32 User Guide Solving Problems Follow these tips when you troubleshoot your computer: • If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed. • If a peripheral device does not work, ensure that the device is pro...

33 User Guide 2. Move any interfering devices away from the computer.3. If the problem persists, consult with Lenovo Service. 5.2 Troubleshooting Audio Problems Problem: No sound from integrated speakers. Troubleshooting and problem resolution: • Adjust the windows volume control — Double-click the ...

34 User Guide During the uninstall process , never directly delete the files or folders. This is harmful to the system, and might cause a system-wide malfunction.Use the following procedure to properly uninstall programs:1. Back up all documents and system settings related to the program before remo...

35 User Guide Further Technical Explanation: The nominal capacity of the hard disk is expressed in the decimal system, 1000 bytes. But the actual hard disk capacity is expressed in the binary system as 1024 bytes (For example, the nominal capacity 1G is 1000M, while the actual capacity 1G is 1024M)....

36 User Guide 5.6 Performing Daily Maintenance Tasks Cleaning the computer components Because many of the computer components consist of sophisticated integrated circuit boards, it is very important to periodically clean around the computer to prevent dust buildup. The cleaning supplies you need in ...