Lenovo C445 - Manuals

2 User Guide Front view of the computer Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 1 2 3 7 6 5 4 8 9 10 Built-in microphone Built-in camera Hard disk drive indicator Wi-Fi status indicator Monitor On/Off indicator Menu button Direction ...

3 User Guide 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. 1 2 3 6 5 4 7 8 USB connector Headphone connector Microphone connector USB connector Memory card reader Power button Optical drive eject butt...

4 User Guide Rear view of the computer 1 2 3 7 6 5 4 8 9 TV tuner connector (selected models only, 2 connectors for Japan) TV tuner connector (selected models only, 2 connectors for Japan) Power connector Ethernet connector USB connector USB connector HDMI-out connector (selected models only) Securi...

5 User Guide Installing the computer stand 1. Raise the stand holder. 2. Line up the stand base with the mounting holes in the stand holder, then push the stand base into position. 1 2 3. Pull the hand screw ring up, then secure the stand base to the stand holder with the hand screw. 3 4. Press down...

6 User Guide Computer stand Use the stand to position the display to your preference. It can be rotated 5° forward and 25° backward.

7 User Guide Connecting your computer Note: Your computer may not have all of the connectors described in this section. Connector Description Microphone Use this connector to attach a microphone to your computer when you want to record sound or if you use speech-recognition software. Headphone Use t...

10 User Guide Wired keyboard (selected models only) LVT —— After entering Windows, press this key to launch the LVT (Lenovo Vantage Technology) program, Lenovo’s pre-loaded Home PC software. In addition to its own functions, the LVT program will allow you to start other Windows compatible software, ...

Using Windows 8 This chapter contains the following topics:  Switching between the main Windows 8 interfaces  The Charms Bar  Shutting down the computer  Switching between apps  Closing an app  Opening other system programs  Windows Help and Support Attention: The Windows 8 operating system i...

12 User Guide Switching between the main Windows 8 interfaces Windows 8 comes with two main user interfaces: the Start Screen and the Windows desktop.To switch from the Start Screen to the Windows desktop, do one of the following:• Select the Windows desktop tile on the Start Screen.• Press the Wind...

13 User Guide Closing an app To close an app, do one of the following:• Move the cursor to the top left corner of the screen. When the thumbnail appears, drag it to the bottom of the screen. • Swipe in from the top edge of the screen. When the app page becomes smaller, drag it to the bottom of the s...

Using the Rescue System This chapter contains the following topics:  OneKey Recovery  Driver and Application Installation Attention: Using OneKey Recovery will result in loss of data. • You can restore the C: drive of the computer to factory default settings or to the last system backup status usi...

16 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: From the Search charm, select Apps → ...

17 User Guide Driver and Application Installation The Driver and Application Installation function in the rescue system provides a way for the user to conveniently reinstall all of the Lenovo applications and drivers that were shipped with your Lenovo hardware. Method 1: Automatic Installation Repea...

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

21 User Guide Problem: Ripple on screen. Troubleshooting and problem resolution: 1. Check to see if any of the following devices are located less than one meter from the computer: refrigerators, electric fans, electric dryers, UPS systems, regulators, fluorescent lamps or other computers that may be...

22 User Guide Troubleshooting Software Problems Problem: You are unable to exit a running program normally. Troubleshooting and problem resolution: 1. Open the Task Manager window by pressing Ctrl , Alt and Delete at the same time. 2. Select the problem program, then click the End Task button. Probl...

24 User Guide The capacity of the hard disk as calculated using this method may be slightly different from the actual capacity due to the rounding of totals. Special considerations for troubleshooting Windows Record the following information as it may be useful later when troubleshooting system prob...

25 User Guide BIOS setup utility What is the BIOS setup utility? The BIOS setup utility is ROM-based software. It communicates basic computer information and provides options for setting boot devices, security, hardware mode, and other preferences. How can I start the BIOS setup utility? To start th...

26 User Guide 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 the computer to prevent dust buildup. The cleaning supplies you need to clean the c...

Hardware Replacement Guide This chapter contains the following topics:  Removing the stand base  Removing the foot cover  Replacing a memory module  Replacing the hard disk drive  Replacing the optical drive  Replacing the adapter  Replacing the keyboard and mouse User Guide 27

28 User Guide Overview This guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs) as well as trained service personnel who are replacing Field Replaceable Units (FRUs). In this guide, CRUs and FRUs will often be referred to as parts. Note: Trained service pers...

29 User Guide Additional information resources If you have Internet access, the most up-to-date information for your computer is available from the World Wide Web. You can find the following information:• CRU removal and installation information• Publications• Troubleshooting information• Parts info...

30 User Guide Handling static-sensitive devices Static electricity, although harmless to you, can seriously damage computer components.When you are replacing a part, do not open the anti-static package containing the new part until the defective part has been removed from the computer and you are re...

31 User Guide Replacing hardware Attention: Do not remove the computer cover or attempt any repairs before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies o...

32 User Guide 4. To release the stand base from the stand holder, twist the hand screw ring counter-clockwise until the base comes loose. 5. Slide the stand base out from the holder then put it aside. 6. Refer to “Installing the computer stand” to reinstall the stand base. Removing the foot cover At...

33 User Guide 5. Lift up the stand holder then slide out the foot cover as shown. 6. To reattach the foot cover: a. Lift up the stand holder.b. Line up the foot cover with mounting holes on the back of the computer, then slide it back into position. Replacing a memory module Attention: Turn off the ...

34 User Guide 6. Push out the latches on both sides of the memory socket to release the memory module and gently pull the memory module upward to remove it from its socket. All of the memory modules can be removed using the same procedure. 7. To install a memory module: Align the new memory module w...

36 User Guide Replacing the optical drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or oth...

38 User Guide 11. To install the new optical drive: a. Align the new optical drive with the cover, and then push the cover back into position. b. Screw the metal bracket back onto the new optical drive.c. Slide the new optical drive into the drive bay. 12. Reattach the foot cover and stand base. Rep...

40 User Guide Replacing the keyboard and mouse Note: Your keyboard will be connected to a USB connector at either side or at the rear of the computer. To replace the keyboard: 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices...

41 User Guide Appendix. Declaration Thank you for using Lenovo products.Carefully read all documents shipped with your computer before you install and use the product for the first time. Lenovo is not responsible for any loss except when caused by installation and operations performed by Lenovo prof...

42 User Guide Trademarks Lenovo and the Lenovo logo, IdeaCentre and IdeaCentre logo are trademarks of Lenovo in the United States, other countries, or both.Microsoft, Windows, and Windows Vista are trademarks of the Microsoft group of companies.Intel Inside is a trademark of Intel Corporation in the...

43 User Guide Energy Star Statement ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices.Lenovo is proud to offer our customers products with ...

44 User Guide To awaken your computer from a Sleep or System Standby mode, press any key on your keyboard. For more information about these settings, refer to your Windows Help and Support information system. Enabling ErP compliance mode You can enable the energy-related products directive (ErP) com...