•When the Supervisor Password is set, a prompt appears when you enter the BIOS utility.• Type the Supervisor Password and press <Enter> to access the BIOS utility. If you enter the password incorrectly, a warning message appears. Try again and press <Enter>.• When the User Password is set and the password on boot parameter is enabled, a prompt appears at boot-up.•Type the User Password and press <Enter> to use the computer. If you enter the password incorrectly, a warning message appears. Try again and press <Enter>.ImportantYou have three chances to enter a password. If you fail to enter the password correctly after three tries, the system halts. Press and hold the power button for four seconds to shut down the computer. Then turn on the computer again, and try again.
44 - Power managementPOWERMANAGEMENTThis 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. If no activity is detected for a period of time, the computer stops some or all of these devices in order to conserve energy.Saving powerDisable Fast startupYour computer uses Fast startup to start quickly, but also uses a small amount of power to check for signals to start. These checks will slowly drain your computer’s battery. If you prefer to reduce your computer’s power requirements and environmental impact, turn off Fast startup:1.Open the desktop.2.Click Power Optionsin the Notification area.3.Select More Power Options.4.Select Choose what the power buttons do.NoteIf Fast startup is off, your computer will take longer to start from Sleep.Your computer will also not start if it receives an instruction to start over a network (Wake on LAN).
Power management - 455.Select Change settings that are currently unavailable. 6.Scroll down and disable Turn on fast startup. 7.Select Save changes.
46 - Battery packBATTERYPACKThe computer uses a Lithium battery that gives you long use between charges.Battery characteristicsThe battery is recharged whenever you connect the computer to the AC adapter. Your computer supports charge-in-use, enabling you to recharge the battery while you continue to operate the computer. However, recharging with the computer turned off significantly reduces charge time.The battery will come in handy when you travel or during a power failure. It is advisable to have an extra fully charged battery available as backup. Contact your dealer for details on ordering a spare battery.Charging the batteryTo charge the battery, first make sure that it is correctly installed in the battery bay. Plug the AC adapter into the computer, and connect to a mains power outlet. You can continue to operate your computer on AC power while your battery is charging. However, charging the battery with the computer turned off significantly reduces charge time.
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