106Troubleshooting (Advanced)C Click [Performance], click [OK] and then click [Yes].The computer will be restarted automatically.z If these phenomena occur even with the above settings, click [start] - [Control Panel] - [Performance andMaintenance] - [Power Options] - [Power Schemes], click [Always On] from [Power schemes], and click [OK].z These operations will be helpful in easing the performance losses resulting from CPU power-savingfunctions, but will not be effective against the phenomena resulting from other causes. (e.g., noise generatedduring periods of exceptionally high load on the CPU, such as during video playback)z When these operations are performed, the battery running time will be reduced to some extent. We thusrecommend that when these phenomena do not occur, you should select [Battery (Windows XP Standard)] in[CPU Idle Setting], and return [Power schemes] in [Power Options] to [Panasonic Power Management].As a result of the LAN communications speed being extremely low, or a wireless LAN connection being lost,if the CPU power-saving setting is set, then when the LAN or whatever is not used, it is recommended toreturn to the above settings.When a USB device is connected, an acoustic noise can be heard from the computerz Using the following procedure, set to [Disabled] in the “USB Power Save Mode Switching Utility”.When the “USB Power Save Mode Switching Utility” is set to [Disabled], the computer will not operate as long on the battery.AClick (Start) - [Control Panel] - [Uninstall a program].Click [start] - [Control Panel] - [Add or Remove Programs].When [USB Power Save Mode Switching Utility] is not displayed, perform the following procedures from step B.When [USB Power Save Mode Switching Utility] is displayed, perform the following procedures from step C.BClick (Start) and input [c:\util\usbpower\setup.exe] in [Search programs and files], and press Enter.Follow the on-screen instructions.Click [start] - [Run] and input [c:\util\usbpower\setup.exe] and then click [OK].C Click (Start)/ [start] - [All Programs] - [Panasonic] - [USB Power Save Mode SwitchingUtility].D Click [Disable], and click [OK].E Click [OK].F Restart the computer.Windows 7Windows XPWindows 7Windows XPWindows 7 Windows XP