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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 109. If Something Goes Wrong If Something Goes Wrong Problems when you turn on the computer 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 “Charging batteries” on page 105. The computer displays the Non-System disk or disk error message. Make sure there is no diskette in the optional external diskette drive. If there is a diskette in the drive, remove it and press any key to continue. If pressing any key does not work, press Ctrl, Alt, and Del to restart the computer. For more information see “The computer is not accessing the hard disk or the optional external diskette drive.” on page 166. The AC power light is blinking. If the AC power light is blinking, try the following steps: 1 Cut off power to the computer by disconnecting the AC adaptor and removing the battery. The error condition will be interrupted, and the AC power light will stop flashing. 2 Put the battery back into the computer. Do not connect the AC adaptor. Try turning the computer on again. If the computer starts normally, the AC adaptor may be defective and will need to be replaced (see the Toshiba Web site at accessories.toshiba.com). If the AC power light starts flashing, remove the battery, and continue with the steps below. 3 Connect the AC adaptor to the computer. Leave the battery out of the computer. Try turning the computer on again. If the computer starts normally, the battery may need charging, may be depleted, or may be defective. Turn the computer on, insert the battery, and then leave the computer running for several hours, which will deliver a slow, steady “tricklecharge” to the battery. Once the battery has been trickle- charged, it may begin working correctly again. If the trickle-charging does not prove effective, visit the Toshiba Web site at pcsupport.toshiba.com and see the Support Bulletin Step-Charging the computer’s battery (click the Ask Iris® link and search for the support bulletin by name). 4 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. If Something Goes Wrong If Something Goes Wrong The Windows® operating system is not working 5 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 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 menu: 1 Restart your computer. 2 Press F8 when your computer starts and before Windows® starts loading. The Windows® Advanced Boot Options menu displays these options: . Safe Mode . Safe Mode with Networking If Something Goes Wrong If Something Goes Wrong The Windows® operating system is not working . Safe Mode with Command Prompt . Enable Boot Logging . Enable low-resolution video (640x480) . Last Known Good Configuration (advanced) . Directory Services Restore Mode . Debugging Mode . Disable automatic restart on system failure . Disable Driver Signature Enforcement . Start Windows® normally When you highlight each option using the arrow keys, Windows® displays information about each option at the bottom after Description. See your Windows® documentation for further explanation. NOTE If your computer is connected to a network, the Startup menu may display different versions of Safe mode. Inte...

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