Lenovo ThinkPad 365X-XD ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 108

Checkout Guide Use the following procedure as a guide for computer problems. Note The diagnostic tests are intended to test only IBM products. Non-IBM products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain the failing symptoms in as much detail as possible. 2. Verify the symptoms by attempting to recreate the failure by running the diagnostic test or by repeating the same operation. Note To run the diagnostics, refer to "How to Run the Diagnostics" on page 120. 3. Use the following table with the verified symptom to determine which page to go to. Search the symptoms column and find the description that best matches your symptom; then go to the page shown in the "Go to" column. Symptoms (Verified) Power failure. (The power indicator does not go on or stay on.) POST does not complete. No beeps or error codes are indicated. POST beeps, but no error codes are displayed. POST detected an error and displayed numeric error codes. The diagnostic test detected an error and displayed a FRU code. Go to "Power Systems Checkout" on page 100. "Symptom-to-FRU Index" on page 106, and then use the No-Beep Symptoms table. "Symptom-to-FRU Index" on page 106, and then use the Beep Symptoms table. "Symptom-to-FRU Index" on page 106, and then use the Numeric Error Codes table. "FRU Codes" on page 123. 96 IBM Mobile Systems - ThinkPad HMM Volume 3