Lenovo ThinkPad 560Z TP 560Z Hardware Maintenance Manual for use by Authorized - Page 36
PC Card (PCMCIA) Slots Test, Universal Serial Bus (USB) Test, Displaying the Error Log
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8. Click on a device to test it, or click on Test All to test all devices. Click on Looptest to run the tests in a repeated loop. The loop option menu appears. Click on a device; the mark appears beside the selected device. Repeat this step to select multiple devices. Click on OK to start the diagnostic loop. If no device is selected, all devices tests are looped. 9. To exit the loop, keep pressing Ctrl+Pause until the test exits. A beep sounds to notify that the exit interrupt is sensed by the test program. Press Esc to exit from the loop test. PC Card (PCMCIA) Slots Test The green LED on the PC test card (P/N 35G4703) turns on when the PC Card (PCMCIA) slot test is running. If the LED does not turn on, check that the card is installed correctly by reseating it. If the LED still does not turn on after the card is reseated, try using another slot for the test. If the LED still does not turn on and the test fails, replace the FRU shown by the diagnostic error code. Universal Serial Bus (USB) Test At the advanced diagnostic test menu, connect the USB parallel test cable (P/N 05K2580) to the computer shown below: 1 2 Click on to run the test. Follow the instructions on the screen. OK appears if the test passed, but three lines of error codes appear if the test failed. The defective FRU must be the system board. Use the cable number 2 for an external USB port, such as a port replicator. Displaying the Error Log Diagnostic errors are printed on a printer that is attached to the parallel port when the error is detected. The error is also logged in the system memory. 34