| 摘要 |
A computer enclosure includes a chassis, a power supply, a light-emitting diode (LED) mounted on an inside surface of the chassis, a battery, a driving circuit connected between the battery and the LED, a switch connected between the battery and the driving circuit, and a charging circuit connected between the power supply and the battery for charging the battery. When a user turns on the switch, the battery is caused to supply power to the driving circuit turning on the LED.
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