111Troubleshooting (Advanced)LAN transmission speed slows downnoticeably.Poor performance during data trans-mission via a PC Card (e.g., distortedvideo image when writing to a DVcamera using an IEEE1394 PC Card).Wireless LAN connection is cut.z These problems may occur due to performance loss that results from the CPUpower-saving function. Log on to Windows as an administrator and follow thesteps below.A Click [start] - [Run] and input [c:\util\cpupower\setup.exe], and click[OK].Follow the on-screen instructions.B Click [start] - [All Programs] - [Panasonic] - [CPU Idle Setting].C Click [Performance] and click [OK], then click [Yes].The computer will restart.z If the problem persists, click [start] - [Control Panel] - [Performanceand Maintenance] - [Power Options] - [Power Schemes], select[Always On] in [Power Schemes], and click [OK].• The above remedy is effective for performance loss resulting from the CPUpower saving function, but not for other causes (e.g., noise generated by highCPU load such as video playback).• The above remedy slightly reduces the battery operation time. Normally it isrecommended to select [Battery (Windows XP Standard)] in [CPU IdleSetting] and to select [Portable/Laptop] in [Power Schemes]. Touch Pad / Touchscreen (only for model with touchscreen)/Dual Touch (only formodel with dual touch)The cursor does not work. z Connect the external mouse correctly.z Restart the computer using the keyboard.(Press , U, and R to select [Restart].)z If the computer does not respond to keyboard commands, read “No response.”(Î page 117).Cannot input using the touch pad. z Set [Touch Pad] to [Enabled] in the [Main] menu of the Setup Utility (Î page87).z The touch pad may be disabled by some mouse drivers. Check your mouse’soperating instructions.Cannot point the correct position usingthe included stylus/digitizer pen.z Perform the touchscreen calibration (Î page 7).z Perform the dual touch calibration (Î page 9). Connecting Peripherals
