Panasonic Toughbook CF-W4GWCZZBM Operating Instructions Manual

Also see for CF-W4 Series: Operating instructions Reference manual

44TroubleshootingDealing with Problems (Summary)When a problem occurs, refer to this page. The “Reference Manual” also contains detailed information. If a problemappears to be related to a software application, read the software related manual. If you still cannot troubleshoot theproblem, contact Panasonic technical support office. You can use the PC Information Viewer to check the computer’susage status. (Î “Dealing with Problems” in onscreen Reference Manual)Problems with Starting Up, Shutting Down, and Standby and Hibernation ModeThe computer does not power on/The battery indicator is not litz Check that the AC adaptor or a fully-charged battery pack is correctly con-nected.z Reconnect the AC adaptor or battery pack.z Check that the battery pack latch (the manually operated latch for locking orunlocking) is in the locked position ( ), and is firmly locked in position.z If an additional RAM module has been inserted, remove the RAM moduleand turn on the computer again. If the computer turns on when the RAMmodule is removed, there may be a problem with the RAM module.• Power off your computer, check that the RAM module is the recom-mended module, and insert it correctly.• Confirm the specifications for the RAM module.For details regarding the RAM module, refer to "Expanding Memory"(Î page 27) or "Specifications" (Î page 62).The computer does not start up z If there is a peripheral connected, remove the peripheral.• If there are USB devices connected, set [Legacy USB Support] to [Dis-able] in the [Advanced] menu of the Setup Utility.• If the computer starts when the peripheral is removed, there may be aproblem with the peripheral. Consult the peripheral manufacturer.z Using the following procedure, start up in Safe Mode, and check the errordetails.A Turn on the computer, and when the [Panasonic] boot screendisappears (after entering the password*1 if one is set) holddown the F8 key.B Release the key when the Windows Advanced Options Menuappears, and with the Ï key or the Ð key, select [Safe Mode],then press the Enter key.Follow the onscreen instructions.*1 Supervisor Password or User Password set with the Setup Utilityz When the power indicator is lit, after sliding the power switch for at leastfour seconds to turn off, turn on again.z Restore the Setup Utility's settings to their default values.z If an additional RAM module has been inserted, remove the RAM moduleand turn on the computer again. Refer to item 4 in "The computer does notpower on/The battery indicator is not lit" above.There is a beep sound, and either"Extended RAM Module Failed" or"Standard RAM Failed" appearsz If "Extended RAM Module Failed" appears, the RAM module is not correctlyinserted. Turn off the computer, check that the RAM module is a recom-mended module, then insert it correctly.z If "Standard RAM Failed" appears, contact your technical support office.Cannot log on to Windows with theSD memory cardz Since the Windows user name and password are not set correctly on theSD memory card, log on from the SD memory card is not possible.Enter the Windows user name and password without using the SD memorycard.After logging on to Windows, set the same user name and the password onthe SD memory card and Windows, using the following operation:• Change the setting of the SD memory card side by [SD Card Setup]For how to make the change, refer to "SD Memory Card Security Function"(Î "SD Memory Card Security Function" in onscreen Reference Manual).[Executing Battery Recalibration]screen is displayedz When Windows is shut down during the Battery Recalibration procedure, ifyou select [Cancel] in the [End Program] screen, Windows shutdown isaborted. In this case, Battery Recalibration will begin the next time the com-puter is started. To start up Windows, turn off the computer by sliding thepower switch, and then turn it back on again.