Lenovo 10HQ User Manual

Chapter 6. Troubleshooting, diagnostics, and recoveryThis chapter provides solutions to resolve the computer problems. Follow the steps in the basic procedurefor resolving computer problems, which helps you make good use of the troubleshooting, diagnostics,and recovery information.• “Basic procedure for resolving computer problems” on page 35• “Troubleshooting” on page 35• “Diagnostics” on page 43• “Recovery information” on page 43Basic procedure for resolving computer problemsIt is recommended that you use the following procedure to resolve computer problems you are experiencing:1. Ensure that:a. The cables for all connected devices are connected correctly and securely.b. All connected devices that require ac power are connected to properly grounded, functioningelectrical outlets.c. All connected devices are enabled in the BIOS settings of the computer. See “Enabling or disablinga device” on page 29.If these actions do not resolve your problem, continue with the next step.2. Use an antivirus program to see if the computer has been infected by a virus. If the program detectsa virus, remove the virus. If the antivirus program does not resolve your problem, continue with thenext step.3. Go to “Troubleshooting” on page 35 and follow the instructions for the type of problem you areexperiencing. If these troubleshooting instructions do not resolve your problem, continue with thenext step.4. Run the diagnostic program. See “Diagnostics” on page 43. If the diagnostic program does not resolveyour problem, continue with the next step.5. Recover your operating system. See “Recovery information” on page 43.6. If none of these actions solve your problem, contact the Lenovo Customer Support Center. For a list ofLenovo Support phone numbers, go to http://www.lenovo.com/support/phone. For more informationabout help, service, and technical assistance, see Chapter 8 “Getting information, help, and service”on page 65.TroubleshootingAttention: Do not open the computer or attempt any repair before reading and understanding “Read thisfirst: Important safety information” in this document.Use the troubleshooting information to find solutions to problems that have definite symptoms.Startup problemsThis section provides solutions to startup-related problems.The computer does not start up when you press the power buttonSolutions: Ensure that:• The power cord is correctly connected to the rear of the computer and to a working electrical outlet.© Copyright Lenovo 2015, 2016 35