[. . . ] 94 Securing your computer 71 Three concepts you might want to Using a computer security lock . 96 I want to use Windows in the way Wireless networks 77 that I'm used to - give me my Connecting to the Internet. Turning the product off before cleaning Unplug this product from the wall outlet before cleaning. WARNINGS Accessing the power cord Be sure that the power outlet you plug the power cord into is easily accessible and located as close to the equipment operator as possible. [. . . ] Recovery - 53 Reset your PC from the recovery backup Caution: Reset your PC will erase all files on your hard drive. Select the operating system to recover (normally only one option is available). If you have deleted the recovery partition or otherwise changed the partitions on the hard drive and want to keep these changes, select No. Just remove my files quickly erases all files before restoring your computer and takes about 30 minutes. Fully clean the drive completely cleans the drive after each file is erased, so no files can be viewed after the recovery. Cleaning the 54 - Recovery drive takes much longer, up to 5 hours, but is much more secure as old files are completely removed. After the recovery has finished, you can start using your computer by repeating the first-start process. Select the operating system to recover (normally only one option is available). The recovery process begins by restarting your computer, then continues by copying files to your hard drive. Recovery - 55 P OWER MANAGEMENT This computer has a built-in power management unit that monitors system activity. System activity refers to any activity involving one or more of the following devices: keyboard, mouse, hard disk, peripherals connected to the computer, and video memory. In addition, the useful lifespan of the battery is adversely affected by the following usage patterns: 60 - Battery pack • Using the computer on constant AC power with the battery inserted. If you want to use constant AC power, you are advised to remove the battery pack after it is fully charged. €¢ Not discharging and recharging the battery to its extremes, as described above. €¢ Frequent use; the more you use the battery, the faster it will reach the end of its effective life. Optimizing battery life Optimizing battery life helps you get the most out of battery operation, prolonging the charge/recharge cycle and improving recharging efficiency. You are advised to follow the suggestions set out below: • Purchase an extra battery pack. €¢ Use AC power whenever possible, reserving battery for mobile use. the recommended temperature is 10° C (50° F) to 30° C (86° F). Battery pack - 61 Checking the battery level The power meter indicates the current battery level. Rest the cursor over the battery/power icon on the taskbar to see the battery's present charge level. Battery-low warning When using battery power pay attention to the power meter. [. . . ] "To prevent radio interference to the licensed service, this device is intended to be operated indoors and away from windows to provide maximum shielding. Equipment (or its transmit antenna) that is installed outdoors is subject to licensing. 11a wireless LAN, this product is restricted to indoor use due to its operation in the 5. Industry Canada requires this product to be used indoors for the frequency range of 5. [. . . ]