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Your computer can be configured to warn you when the battery is running low see “What to do when the main battery runs low” on page 79. If you are running on battery power, it is recommended that you do not leave the computer in Sleep mode for long periods of time. To charge the battery, leave the computer plugged into a live wall outlet for several hours. For more information see “Changing the main battery” on page 84. The AC power light is blinking. If the AC power light is blinking, try the following steps: 1 Connect the AC adaptor to a different power outlet, preferably in a different room. If the computer starts normally, there may be a problem with the AC outlet itself, or the voltage level available from it. 2 Verify that the AC adaptor is the correct unit for your computer model. The computer may not be able to start from an AC adaptor that is rated for less current (amperage) than the computer requires, even if the rated voltage is correct, and the plug fits correctly in the DC-IN socket. 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) If Something Goes Wrong If Something Goes Wrong The Windows® operating system is not working 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 146. The Windows® operating system is not working Once you are familiar with the desktop 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. . 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 have to change your system’s configuration or verify the startup procedure to fix the problem. To do this, use the options in the Startup menu. To open the Startup...

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