Lenovo ThinkPad 760CD ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 224
Game Port Checkout, Diskette Drive Test, Model 760XD
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Model 760XD: The fan starts when the temperature of the inside box rises over 54°C, and stops when the temperature of the inside box falls under 49°C. To check the fan, do the following: 1. Turn off the computer. 2. Do the following steps to warm the computer up so that the fan starts: a. Put the computer on a non-thermal-conductive material - for example, corrugated cardboard. b. Attach the AC adapter; then turn on the computer. c. Run the video function loop test of the diagnostics (see "How to Run the Diagnostics" on page 237) d. Close the LCD unit. The fan should start rotating within 30 minutes. 3. Check the air flow coming out from the fan louver. Game Port Checkout Do the following if a joystick problem occurs: 1. Connect the joystick to the game port. 2. Go to the Easy-Setup menu. 3. Select an item with the joystick. 4. Press any button of the joystick. 5. Verify that all buttons work correctly. If either the joystick or a button does not work, replace the video card. If the problem persists, replace the system board. Diskette Drive Test Do the following to isolate the problem to a controller, drive, or diskette. A scratch, write enabled, nondefective 2HD diskette is required. FDD-1 represents the the diskette drive in the UltraBay. FDD-2 represents the port replicator, expansion unit, or 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 FDD-1 or FDD-2 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. 212 IBM Mobile Systems HMM