Nt1110 Unit 10 Lab

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Mindy Cohen Crystal Bollinger David Patchett NT1110_Davis UNIT 10_Lab 8 Lab 8: Troubleshooting Task 1: Procedure 1. Examine the six-step troubleshooting model shown here: Step 1. Ascertain what the problem is. Step 2. Write down probable causes of the problem. Step 3. Determine if theories are correct through testing. Step 4. Create and implement a plan to resolve the problem. Step 5. Verify that the problem has been fixed; employ preventative measures. Step 6. Document the entire process. 2. Apply this six-step troubleshooting model to the following problem. Document everything associated with each step of the troubleshooting model. Problem Description: A user boots her computer and hears a sequence of six beeps. The computer uses AMI BIOS. What error is indicated by the six beeps? A different user with a computer using Phoenix BIOS hears a sequence of beeps with pauses in between. The sequence is beep – pause – beep beep beep – pause – beep – pause – beep beep beep. What error is indicated by this beep sequence? Task 1 for AMI BIOS 6 short beeps means Gate A20 failure-The keyboard controller IC has failed, which is not allowing Gate A20 to switch the processor to protected mode. Replace the keyboard controller- Test keyboard- keyboard not working correctly upon testing- replaced keyboard controller-rechecked – see if it boots up now – Preventative measures-??? Maybe don’t eat or drink at work station anymore. 1313 Phoenix Bios codes for error 1-3-1-3 - Test 8742 Keyboard Controller _ Upon testing keyboard controller it is found to be defective- replaced the keyboard controller and retested- boots up good –no error messages –newly replaced keyboard seems to be working in good order-- Preventative measures??
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