Toshiba Tecra 9000 User Guide - Page 208
Power and the batteries, The AC power light doesn't come on when you plug in the, AC adapter.
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208 Troubleshooting Guide Resolving a hardware conflict 7 If the error recurs, remove the memory card entirely and check for the error again. NOTE: This procedure can only be followed if there is more than one memory card in the computer. If there is only one memory card, removing will prevent the computer from booting up. If removing the memory card eliminates the error, the memory card may be faulty. If the error recurs without the memory card installed, the error is not caused by the memory card. Power and the batteries Your computer receives its power through the AC adapter and power cable or from the system batteries (main battery, real-time clock (RTC) battery and backup battery). Power problems are interrelated. For example, a faulty power cable will neither power the computer nor recharge the batteries. Here are some typical problems and how to solve them: The AC power light doesn't come on when you plug in the AC adapter. Make sure the AC adapter is firmly connected to both the power cable and the computer, and that the power cable is plugged into the electrical outlet. If the AC power light still doesn't come on, check that the electrical outlet is working properly by plugging in a lamp or other appliance. The power cable and AC adapter work correctly, but the battery won't charge. The main battery may not be making a good electrical connection. Turn off the computer, remove the battery and confirm that its