HP Pavilion xt100 HP Pavilion Notebook PC - ze4100 and xt100 Series (KA, KB) - - Page 49
Open Power Options in Control Panel: click Start, Control Panel, Performance
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CAUTION Batteries and Power Management Managing Power Consumption The computer can also enter Hibernate mode if battery power reaches a critically low level. (See "To respond to a low-battery warning" on page 52.) If this happens, you will find on resuming that all your data has been saved, but some functions may be disabled. To resume normal operation, restore power by connecting an AC adapter or installing a charged battery, and then shut the computer off and restart it. Changing timeout settings and creating power schemes You can adjust the periods of non-use after which your computer automatically shuts down components or enters a power-saving mode. You can also save these settings as a power scheme. 1. Open Power Options in Control Panel: click Start, Control Panel, Performance and Maintenance, Power Options. 2. Click the Power Schemes tab, and enter the settings you want. If you don't want a particular timeout to occur, set the value to Never. See Windows Help for details. If you want to save the settings as a power scheme, click Save As and enter a name for the scheme. Do not disable Hibernate support in the Power settings, or you will lose any unsaved data if the computer's battery runs down completely. Managing CPU power If your computer contains a multispeed processor with AMD PowerNow! or Intel SpeedStep Technology, the processor can automatically switch to lower, power-saving speeds or to higher-performance speeds according to the workload. You can customize CPU speed to best suit your working environment: click Start, Control Panel, Performance and Maintenance, Power Options. On the Power Schemes tab, select a power scheme. This scheme automatically controls the processor speeds: • The Max Battery scheme uses the lowest processor speeds while running on battery power, but uses low and high processor speeds on AC power. • The Portable/Laptop option uses low and high processor speeds on battery and AC power. • The Presentation option uses the lowest processor speeds on battery power, but uses low and high processor speeds on AC power. See Windows Help for additional information about power schemes. Reference Guide 49