Panasonic Toughbook CF-W5LCEZZBM Reference Manual page 106

Troubleshooting (Advanced)
[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 to
return to the above settings.
Cannot use SD Memory Card security function
To use the SD Memory Card security function, SD card settings are required. (
The MultiMedia card and SDHC Memory Card does not operate when it is
inserted
The SD Memory Card slot on this computer only accepts SD Memory Cards.
It is not compatible with MultiMedia cards and SDHC Memory Cards, do not insert these cards.
If you want to use a MultiMedia card or SDHC Memory Cards, you will require a PC Card adaptor (sold separately) or USB
reader/writer (sold separately) that is compatible with MultiMedia cards or SDHC Memory Cards.
When a USB device is connected, an acoustic noise can be heard from the com-
puter.
Using the following procedure, set the USB power save function to [Disable] in the "USB Power Save Mode Switching
Utility".
When it is set to [Disable], the computer will not operate as long on the battery.
Click [start] - [Control Panel] - [Add or Remove Programs].
A
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 E.
Click [start] - [Run] and input [c:\util\usbpower\setup.exe] and then click [OK].
B
Click [Next].
C
Click [Finish].
D
Click [start] - [All Programs] - [Panasonic] - [USB Power Save Mode Switching Utility].
E
Click [Disable], and click [OK].
F
Click [OK].
G
Restart the computer.
H
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