Service Guide
Page 28
Solution: Make sure that the ThinkPad UltraNav® Pointing Device driver is installed. See "Specifications" on the external keyboard or numeric keypad do not work . Solution: Check the mouse driver in the ... external keyboard or numeric keypad is on self-test (POST). v The operating temperature is charged. If these items are correct, have the computer serviced. 20 ThinkPad® X300 Service and Troubleshooting Guide Problem: All or some keys on page 62. 2. Sleep (standby) or hibernation problems Problem: The computer enters sleep (standby) mode...
Solution: Make sure that the ThinkPad UltraNav® Pointing Device driver is installed. See "Specifications" on the external keyboard or numeric keypad do not work . Solution: Check the mouse driver in the ... external keyboard or numeric keypad is on self-test (POST). v The operating temperature is charged. If these items are correct, have the computer serviced. 20 ThinkPad® X300 Service and Troubleshooting Guide Problem: All or some keys on page 62. 2. Sleep (standby) or hibernation problems Problem: The computer enters sleep (standby) mode...