Lenovo ThinkPad 760CD ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 545

If memory problems occur intermittently, use the loop option to repeat the test. When the test detects an error, an error log is printed on the printer connected to the parallel port. See "Displaying the Error Log" on page 564 for more information. Flash Memory Update: System setup programs and diagnostic tests are stored in flash memory. A flash memory update is required for the following conditions: New versions of system programs New features or options To update the flash memory, do the following: 1. Get the appropriate diskette containing the update. 2. Insert the System Program Service diskette into drive A, and power on the computer with ac power and a fully charged battery. 3. Select Update system programs from the menu. Modem (DSP) Checkout 1. Go to the diagnostic menu by selecting Test in the Easy-Setup menu. 2. Select DSP and run the diagnostic tests. 3. If the test detects a DSP problem, replace the modem card. Power Systems Checkout To determine whether a power systems problem is due to the AC Adapter or the battery pack, do the following: 1. Remove the battery pack. 2. Connect the AC Adapter and check that power is supplied. 3. Disconnect the AC Adapter and install the charged battery pack; then check that power is supplied by the battery pack. If the problem is due to the AC Adapter, go to "Checking the AC Adapter" If the problem is due to the battery pack, go to "Checking the Battery Pack" on page 534 If the problem is not due to the AC Adapter or battery pack, go to the following sections: "Checking the Backup Battery (Nonrechargeable)" on page 536 "Checking the Standby Battery (Rechargeable)" on page 537 Checking the AC Adapter: You are here because the computer fails only when the AC Adapter is used. If the power problem occurs only when AC Adapter is used with a port replicator, replace the replicator. ThinkPad 770 (9548, 9549) 533