Troubleshooting 8-14Startup ProblemsWhen you turn on the computer, it does not respond and the PowerIndicator does not light green. If you are using an external AC power, make sure that the AC adapteris correctly and securely connected. If so, make sure that the electricaloutlet works properly. If you are using the battery power, make sure that the battery is notdischarged.Other ProblemsThe date/time is incorrect. Correct the date and time via the operating system or BIOS Setupprogram. After you have performed everything as described above and stillhave the incorrect date and time every time you turn on the computer,the RTC (Real-Time Clock) battery is at the end of its life. Call anauthorized dealer to replace the RTC battery.