ViewSonic VPC101 User Manual - Page 52

Troubleshooting The section describes situations that you may encounter while using the computer and provides troubleshooting steps. Before you begin troubleshooting, verify the following items: - If you have added or removed a program or a hardware before the problem appeared, make sure that your computer has met all the pre-installation requirements, review if the installation procedures are correct, and check if the program or hardware is properly installed. - If an error message appears while the program or hardware is in use, write down the message and follow the on-screen instruction if any. For further details, refer to the documentation or user manual of the program or hardware. Frequently asked questions (FAQ) Power problems Symptom I have pressed the Power button, but my computer cannot start up. Possible solution • Check the power cable and power adapter are connected. • Check the Power button indicator. - If the indicator does not light up, your computer is not being supplied power from an external power source via the power adapter. Check the connection between your computer, the power adapter, and the nearby outlet. - If the indicator flashes in blue, your computer has entered Sleep mode. Move your mouse or click any button on the keyboard to wake the system. - If the Power button indicator lights up in blue, the computer is being supplied normally with power. Reconnect the power adapter and restart the system. • Check if the LCD display power indicator stays in green. - If the indicator lights up in amber, your monitor has entered Sleep mode. Press the Power button on the front panel to turn on the screen. • Certain operating system files may be damaged or missing. If so, you have to back up all your data first, and then recover your system. Check the supplied System Recovery and Driver Disk for details. ViewSonic VPC101 45