Lenovo ThinkPad 560E User's Guide for TP 560X - Page 59
Using Other Battery Saving Methods, MS-DOS System, Enter, with APM, Computer, MS-DOS System with APM
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Using Battery Power 3 Using the Arrow keys position the highlighted cursor over MS-DOS System and press Enter. 4 Position the highlighted cursor over MS-DOS System with APM and press Enter. 5 Verify that the item Computer has changed to MS-DOS System with APM on the screen. If not, return to step 3. Windows Setup If your computer or network appears on the Hardware Compatibility List with an asterisk next to it, press F1 before continuing. System Information Computer: MS-DOS System with APM Display: MagicGraph128XD 8 ×6 Mouse: Microsoft, or IBM PS/2 256 small font 6 Press Enter to install APM. 7 Restart the system to make APM effective. Using Other Battery Saving Methods Another battery-saving method is to decrease the LCD brightness. You can use the ThinkPad Configuration program to decrease the brightness of the LCD by clicking on the LCD ( ) button and selecting Normal for Brightness (battery operation) in the window that appears. Chapter 2. Using Battery Power 45