User manual LENOVO IDEAPAD U550

[. . . ] Lenovo IdeaPad U550 User Guide V1. 0 Notes · Before using this information and the product it supports, be sure to read Important safety information on page iii and Notices in Appendix E first. · Some instructions in this guide may assume that you are using Windows Vista®. If you are using other Windows operating system, some operations may be slightly different. If you are using other operating systems, some operations may not apply to you, and thus shouldn't affect your use of this computer. [. . . ] Press the DIMM firmly, and pivot it until it snaps into place. Make sure that it is firmly fixed in the slot and does not move easily. Reinstall the cover of the hard disk drive/memory compartment by aligning the side of the cover first, and closing the cover. Then tighten the screws to secure the cover. 63 Chapter 6. Upgrading and replacing devices 9 0 1 2 Reinstall the battery. Turn the computer over, and reconnect the AC adapter and the cables to the computer. To make sure that the SO-DIMM is installed correctly, do as follows: Turn the computer on. The System Memory item shows the total amount of memory installed in your computer. 64 Chapter 6. Upgrading and replacing devices Removing the optical drive --------------------------------------------To remove the optical drive, do the following: 1 2 3 Remove the battery. Slide and hold the optical drive latch in the unlocked position. Then push the auxiliary latch of the optical drive forward to let the optical drive pop up. Gently pull the optical drive out. 65 Chapter 6. Upgrading and replacing devices The following table provides a list of CRUs (Customer Replaceable Units) for your computer, and informs you of where to find replacement instructions. Setup Poster AC adapter Power cord for AC adapter Battery Bottom access doors Hard disk drive Memory Optical disc drive O O O O O O O O User Guide 66 Appendix A. Getting help and service If you need help, service, technical assistance, or just want more information about Lenovo computers, you will find a wide variety of sources available from Lenovo to assist you. This section contains information about where to go for additional information about Lenovo computers, what to do if you experience a problem with your computer, and whom to call for service should it be necessary. Microsoft Service Packs are the latest software source for Windows product updates. They are available by means of a Web download (connection charges may apply) or from a disc. For more specific information and links, go to the Microsoft Web site at http://www. microsoft. com. Lenovo offers Up and Running technical assistance with installation of, or questions related to, Service Packs for your Lenovo-preinstalled Microsoft Windows product. 67 Appendix A. Getting help and service Getting help on the Web ----------------------------------------------------------The Lenovo Web site on the World Wide Web has up-to-date information about Lenovo computers and support. The address for the Lenovo home page is http://consumersupport. lenovo. com. You can find support information for your Lenovo IdeaPadTM computer at http://consumersupport. lenovo. com. Research this Web site to learn how to solve problems, find new ways to use your computer, and learn about options that can make working with your Lenovo computer even easier. Calling the customer support center -----------------------------------If you have tried to correct the problem yourself and still need help, during the warranty period, you can get help and information by telephone through the customer support center. [. . . ] 82 Computer display. . . . . . . . . . . . . . . . . . . . . 83 Customer Replaceable Unit (CRU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 K Keyboard Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Using . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]