62 63The accelerometer doesnot appear to be accurate�You may need to calibrate the accelerometer using the Sensor Cali-bration application� Tap Start > Settings > System > Sensor Calibra-tion� Rotate the computer to calibrate all six orientations�You tap the screen andnothing happens�Align your screen� For help, see “Align the Screen” on page 26�You cannot type a characteron the keypad or you canonly type uppercase or low-ercase letters�You may have locked a modifier key on the keypad. Press the nec-essary key sequence to unlock the key� For help, see “About theKeypad” on page 14�Find Your Configuration NumberUse the following procedure to help you find the configuration number of your com-puter�• Look at the label on the back of the computer.Find Your Operating System VersionUse the following procedure to find the OS version of your mobile computer.1 Press the Intermec Dashboard (m) button to launch the Dashboard�2 Tap the Information bar� The Information Details page appears and displaysinformation such as the firmware version and the OS version.Reset the ComputerIf the computer does not resume after pressing the Power button, or if the computeror an application locks up, you may need to reset the computer� The computer usesthe configuration currently saved in flash memory during the boot process. There arethree ways to reset the computer:• Reboot• Cold boot• Clean bootReboot the ComputerYou may need to reboot the computer to correct conditions where an application stopsresponding to the system�• Press the Power button and select Reboot from the menu.The computer systematically shuts down, restarts, and goes through the initializationprocess�Cold Boot the ComputerIn some cases where the computer completely stops responding, it may be necessaryto perform a cold boot or hard reset� Because cold booting may result in data loss, usethis method only if all other recovery methods have failed�Note: Cold booting the computer does not guarantee that cached disk data will besaved, so transactional data may be lost during the reset� All other data, such asconfiguration and network settings, is preserved.1 Press and hold both R buttons simultaneously for about 5 seconds�The computer will reboot�2 Wait while the mobile computer boots� When the cold boot is complete,the Home screen appears�Location of i.roc ® Ci70 -Ex/ Reset ButtonsReset buttonClean Boot the ComputerA clean boot erases the memory in the mobile computer, including allapplications and data files, with the exception of those found in the Flash FileStore, or any removable storage�If the computer seems to be locked up, try cold booting it� If this process does notwork, use a clean boot to get the computer up and running for further troubleshooting�You can perform a clean boot using the mobile computer�1 During Reeboot immediately press and hold the Power button and VolumeDown button (the lower button on the right side)�2 Continue to hold the Power button and the Volume Down button downuntil you are prompted to release them�3 Press the Volume Up button on the right side to start the clean boot�4 Wait for the computer to load files from its ROM.You can also perform a clean boot using the SmartSystems Console�• Right-click the i.roc® Ci70 -Ex computer and select Intermec Power Tools >Clean Boot Device�Clean the ComputerTo keep the computer in good working order, you may need to clean the imager win-dow, color camera window, and the touch screen� Clean the windows and the touchscreen as often as needed for the environment in which you are using the computer�To clean the computer, use a solution of ammonia and water�There are no user-serviceable parts inside the i�roc® Ci70 -Ex computer�Opening the computer will void the warranty and may cause damage to theinternal components�1 Press the Power button and choose to suspend the computer�2 Dip a clean cloth towel in the ammonia solution and wring out the excess�3 Wipe off the imager window, camera lens, and flash area. Do not allow anyabrasive material to touch these surfaces�4 Wipe dry�