Lenovo ThinkPad 365E-ED ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 284
Status Indicator Checkout, Power Systems Checkout
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FDD-1 represents external diskette drive attached through the external diskette drive connector. FDD-2 represents the port replicator. Warning: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause damage to the drive or can cause the drive to fail. Do the following to select the test device: 1. Select the advanced diagnostics mode and select Tool; then select the FDD-1 or FDD-2 icon and press the spacebar. A √ mark appears next to the selected icon. Insert the blank diskette when instructed. 2. Run the diskette drive test. 3. If the controller test detects an error, FRU code 10 appears. Replace the system board. 4. If the controller test runs without errors, the drive read/write tests start automatically. 5. If the drive test detects an error, FRU code 50 for FDD-1 or 51 for FDD-2 appears. If the diskette itself is known to be good, replace the drive. 6. If FDD-2 test detects an error, move the drive to the computer's diskette drive connector directly, if possible, and test it again as FDD-1. If no errors occur in the FDD-1 position, the drive is not defective. Go to "Port Replicator Checkout" on page 275 to isolate the replicator problem. Status Indicator Checkout If an LED problem occurs, do the following: 1. Power off the computer 2. Power on the computer 3. All the LEDs in the indicator panel turn on for a moment soon after the computer is powered-on. Make sure that all LEDs turn on. If the problems remains, replace the system board. Power Systems Checkout To verify the symptom of the problem, power on the computer using each of the power sources as follows. 1. Remove the battery pack and diskette drive. 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 you suspect a power problem, see the appropriate power supply check listed below. "Checking the AC Adapter" on page 273. "Checking Operational Charging" on page 273. "Checking the Battery Pack" on page 274. 272 IBM Mobile Systems - ThinkPad HMM Volume 3