Fujitsu FPCM22911 User Guide - Page 68

Problem Possible Cause Possible Solutions You have installed an  external keyboard or mouse, and it does not seem to work. Your external device is not properly installed. Re-install your device. See "Device Ports" on page 61. Your operating system (OS) is not set up with correct software driver for that device. Check your device and operating system documentation and activate the proper driver. You have connected an external keyboard or a mouse and it seems to be locking up the system. Your OS is not set up with the correct driver for that device. Your system has crashed. Check your device and operating system documentation  and activate the proper driver. Try to restart your notebook. Memory Problems Your System screen in the Control Panel does not show the correct amount of installed memory. Your memory upgrade module is not properly installed. You have a memory failure. Remove and re-install your memory upgrade module. See "Memory Upgrade Module" on page 56. Check for Power On Self Test (POST) messages. See "Power On Self Test Messages" on page 73. Modem Problems (optional external device) Messages about modem operation. Modem operation messages are generated by whichever modem application is in use. See your application software documentation for additional information. USB Device Problems You installed a USB device but your notebook does not recognize the device. The device is not properly installed. The device may have been installed while an application was running, so the notebook is not aware of its installation. Remove and re-install the device. See "Device Ports" on page 61. Close the application and restart your notebook. Your device may not have the See your software documentation and activate the correct correct software driver active. driver. 67 - Troubleshooting Your Mini-notebook