User manual LENOVO IDEAPAD Y450

[. . . ] Lenovo IdeaPad Y450 User Guide V3. 0 Note Before using this information and the product it supports, be sure to read the following: · · · Chapter 6. OneKey Rescue System User Guide included in the package with this publication. Third Edition (May 2009) © Copyright Lenovo 2009. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C. F. R. 2. 101 with limited and restricted rights to use, reproduction and disclosure. [. . . ] If patients have any doubt that there is interference taking place, immediately disable the wireless radio on the computer and contact the doctor for more information. The Mobile Broadband module embedded in your computer does not support voice calls, hence their use for essential communications is not possible. Therefore you should never rely upon the device for essential communications. 75 Chapter 6. Safety, use, and care information CD and DVD drive safety Danger: CD and DVD drives spin discs at a high speed. If a CD or DVD is cracked or otherwise physically damaged, it is possible for the disc to break apart or even shatter when the CD drive is in use. To protect against possible injury due to this situation, and to reduce the risk of damage to your computer, do the following: Always store CD/DVD discs in their original packaging. Always store CD/DVD discs out of direct sunlight and away from direct heat sources. Do not bend or flex CD/DVD discs, or force them into the computer or their packaging. Safety, use, and care information Electrical current safety information Danger: Electric current from power, telephone, and communication cables is hazardous. To avoid a shock hazard: Do not use your computer during a lightning storm. Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. Connect all power cords to a properly wired and grounded electrical outlet. Connect to properly wired outlets any equipment that will be attached to this product. Whenever possible, use one hand only to connect or disconnect signal cables. Never turn on any equipment when there is evidence of fire, water, or structural damage. Disconnect the attached power cords, battery pack, and all the cables before you open the device covers, unless instructed otherwise in the installation and configuration procedures. Safety, use, and care information Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices. The power cord must be disconnected from the wall outlet or receptacle before installing all other electrical cables connected to your computer. The power cord may be reconnected to the wall outlet or receptacle only after all other electrical cables have been connected to the computer. 78 Chapter 6. Safety, use, and care information Laser compliance statement Some personal computer models are equipped from the factory with a CD or DVD drive. The drive's classification label (shown below) is on the surface of the drive. CLASS 1 LASER PRODUCT LASER KLASSE 1 LUOKAN 1 LASERLAITE APPAREIL A LASER DE CLASSE 1 KLASS 1 LASER APPARAT Example of the label 79 Chapter 6. [. . . ] Before you dispose of, sell, or hand over your computer, you need to delete that data. Handing your computer over to someone else without deleting the loaded software, such as operating systems and application software, may even violate license agreements. You are advised to check the terms and conditions of those agreements. There are methods that seem to delete the data: Move the data to the recycle bin, and then choose the Empty recycle bin command. [. . . ]