Lenovo ThinkPad 365E-ED ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 112
Status Indicators Checkout, Power Systems Checkout, Warning, FDD-1, blank
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a diskette drive attached through the external diskette drive connector. 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 a 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. Status Indicators Checkout If a status indicator LED problem occurs, do the following: 1. Power off the computer. 2. Power on the computer. 3. All the LEDs in the status indicator panel turn on for a moment soon after the computer is powered on. Verify that all indicators turn on correctly. If some of the indicators do not turn on, replace the LED indicator card. If the problem still remains, replace the keyboard card. 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, diskette drive, and hard disk drive. 2. Connect the AC Adapter and check that power is supplied. 3. Install the diskette drive or hard disk drive one at a time, and check that power is supplied from each power source. 4. Disconnect the AC Adapter, remove the hard disk and diskette drive, 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 101. "Checking Operational Charging" on page 102. "Checking the Battery Pack" on page 102. "Checking the Backup Battery" on page 103. 100 IBM Mobile Systems - ThinkPad HMM Volume 3