Dell Inspiron 7500 System Reference Manual page 82

Blinking green light when the battery is charging.
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No light when the battery is discharging or if the battery is not installed.
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Solid amber light when the battery charge is low (7% life remaining).
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Blinking amber light when the battery charge is critically low (1.5% life remaining). The system beeps when this level is first reached.
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Diskette drive activity: blinking green light on the left of the unit as the drive is being accessed.
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CD-ROM or DVD-ROM drive activity: blinking green light in the middle of the unit as the drive is being accessed.
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Figure 6. Additional Status Lights
1 System power
2 Hard-disk drive activity
3 Battery status
Power Button
Under normal circumstances, you should only use the power button to turn on the computer or to resume from save-to-disk suspend or standby
mode. To shut down the computer, click the Start button in the Microsoft Windows 98 operating system, and then click Shut Down. If the
computer is hung and the operating system does not respond, press and hold the power button until the system turns off completely (this may take
4 to 8 seconds).
Display Close Button
When you close the display, this button activates Standby mode. Do not press this button.
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