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Article Number: 000150838

Dell Precision 5820、7820、7920 塔式台式机和 XL 塔式台式机在卸下侧盖的情况下将关机或无法开机

Summary: 在没有侧盖的情况下，已确认这些 Precision 系统上的行为属于正常

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Article Content

Symptoms

下文介绍了在卸下侧盖的情况下，Dell Precision 塔式台式机系统无法开机的相关信息。

在卸下侧盖的情况下，系统将关机或无法开机

Dell Precision 5820、7820、7920 塔式台式机和 XL 塔式台式机系统需要侧盖才能正常运行。如果在系统运行过程中卸下侧盖，则系统将立即（在 4 秒内）关机。如果在开机过程中卸下侧盖，则会显示电源按钮 LED 指示灯错误代码 4-7。

这种行为是正常的，并且是设计使然。

如果您对本文还有其他问题，请联系戴尔技术支持。

Article Properties

Affected Product

5820 XL Tower, 7820 XL Tower, 7920 XL Tower, Precision 5820 Tower, Precision 7820 Tower, Precision 7920 Tower

Last Published Date

21 Feb 2021

Version

3

Article Type

Solution

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