108Troubleshooting (Advanced)*5 Windows XP: standbyLAN 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 Try the following settings.Click (Start) - [Control Panel] - [System and Security] - [Power Options], andselect [High performance], then close the window.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 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 Idle Set-ting] 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 and press Î 2 times, and press Ï to select [Restart] and pressEnter.Press , U, and R to select [Restart].z If the computer does not respond to keyboard commands, read “No response.”(Î page 113) Connecting Peripherals