Lenovo ThinkPad 760CD ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 147

6. Go to the "Running the Diagnostics" on page 151 and run the diagnostics. 7. If the advanced diagnostic device test does not find an error, suspect a problem with the port replicator of the system expansion bus. 8. Power off the computer and reconnect the port replicator. 9. Power on the computer and run the following advanced diagnostic tests: Serial port test with the wrap plug installed on the replicator Parallel port test with the wrap plug installed on the replicator FDD-2 device test on the failing device with scratch diskette 10. If diagnostic errors appear, replace the replicator or diskette drive attachment unit. If the problem remains after the replacement, replace the system board. 11. If power problems appear only when the replicator is used, replace the replicator. Power Management Features Three power management modes are provided by the computer to reduce power consumption and prolong battery power. Standby Mode: In standby mode the following occurs: The LCD backlight turns off. The hard disk motor stops. Events that cause the computer to enter standby mode: Standby is requested by the Fn key. (Fn+F3) There has been activity under auto-standby in the ThinkPad Features program. The computer exits standby and resumes operation when any key is pressed. Suspend Mode: In suspend mode, the following occurs, in addition to what occurs in standby mode: The LCD is powered off. The hard disk is powered off. The CPU stops. Events that cause the computer to enter suspend mode: Suspend mode is requested by the Fn key (Fn+F4). The LCD is closed. The specified time has elapsed from the last operation with the keyboard, mouse, hard disk drive, parallel connector, or diskette drive; or the AC Adapter is plugged in. The time is specified by Suspend Timer in the ThinkPad Features program. ThinkPad 560, 560E (2640) 135