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The labels on the bottom of the computer and the AC adaptor show the specifications for voltage (“V”) and current (“A’) for each device. The voltage level must match exactly. The amperage rating of the AC adaptor must be equal to or greater than that required by the computer. The battery light is blinking when the computer is on. If the battery light is blinking when the computer is on, this indicates a power mismatch. Do the following: 1 Check the OUTPUT specifications on the AC adaptor (for example, DC 19V – 3.95A) 2 Check the INPUT specifications on the bottom of the computer. The output specifications of the AC adaptor must match the input specifications of the computer. 3 If the specifications do not match, locate and use the AC adaptor that shipped with your computer. If the specifications do match, contact Toshiba. See “Contacting Toshiba” on page 158. Windows® operating system is not working Once you are familiar with your computer and used to the way the operating system responds to your work routine, you can easily detect if the operating system is not working correctly. For example: . The operating system fails to start after the initial startup appears. . The operating system takes a long time to start. If Something Goes Wrong If Something Goes Wrong Windows® operating system is not working . The operating system responds differently from the normal routine. . The screen does not look right. Unless a hardware device has failed, problems usually occur when you change the system in some way such as installing a new program or adding a device. If you experience any of these problems, use the options in the Startup menu to fix the problem. Using Startup options to fix problems If the operating system fails to start properly, you may need to troubleshoot the Operating System and/or its settings. There are several options to choose from depending on the severity of the problem and your level of expertise with computers. If Windows® fails to start properly twice, the Windows® Boot menu will launch. To enter the Boot menu manually: 1 Press Ctrl, Alt, and Del simultaneously (once). 2 Press the Power button in the lower right corner of your screen. 3 Click the Restart option from the menu. 4 Click Troubleshoot from the menu. You now have several options: Refresh your computer . Your files and personalization settings won't change . Your computer settings will be changed back to their defaults . Your Apps from the Windows® Store are retained . Apps you installed from discs or Web sites are removed . A list of removed apps is saved to your desktop For more information, see “Refresh your PC (with user’s data)” on page 57. Reset your computer . All of your personal files and apps are removed . Your computer settings are changed back to their defaults For more information, see “Reset your PC” on page 59. If Something Goes Wrong If Something Goes Wrong Windows®...

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