96Troubleshooting (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 CPU power-saving function. Log on to Windows as an administrator and follow the steps 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 is restarted automatically.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 PadThe 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 101).Cannot input using the touch pad. z Set [Touch Pad] to [Enabled] in the [Main] menu of the Setup Utility (Î page 75).z The touch pad may be disabled by some mouse drivers. Check your mouse’soperating instructions.Cannot use scroll function of touchpad on Internet Explorer.z Move the mouse cursor to outside of Internet Explorer, and return to InternetExplorer. PC Card / ExpressCard (only for model with ExpressCard slot)A card does not work. z Insert the card correctly.z The card does not conform to the card standard.z Restart the computer after installing a driver (of card or other device).z Set [PC Card Slot] and [ExpressCard Slot] to [Enabled] in the [Advanced] menuof the Setup Utility (Î page 76).z The port settings are not correct.z Read the instruction manual of the card or contact the manufacturer of the card.z Remove the card and insert it again (Î page 32).z The driver is not compatible with the operating system. Connecting Peripherals
