Satellite U500/U500D, Satellite Pro U500/U500D
Chapter 6
Power and Power-Up Modes
The computer’s power resources include the AC adaptor and internal batteries. This chapter gives details on making the most effective use of these resources including charging and changing batteries, tips for saving battery power, and power up modes.
Power conditions
The computer’s operating capability and battery charge status are affected by the power conditions: whether an AC adaptor is connected, whether a battery is installed, and what the charge level is for the battery.
Table Power conditions
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| Power On | Power off |
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| (no operation) |
AC adaptor | Battery fully | • Operates | • LED: Battery white |
connected | charged | • LED: Battery white |
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| Battery partially | • Operates | • Quick charge |
| charged or no | • Quick Charge | • LED: Battery orange |
| charge | ||
| • LED: Battery orange |
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| No battery | • Operates | • No charge |
| installed | • No charge | • LED: Battery off |
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| • LED: Battery off |
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User’s Manual |