警示護蓋先前已移除 Dell 筆記型電腦上會顯示訊息
Summary: 瞭解啟動筆記型電腦時有關電腦護蓋的警示訊息。
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Not all product versions are identified in this article.
Symptoms
啟動筆記型電腦時，可能會出現下列訊息之一：
Alert! Cover was previously removed. Note: This warning can be disabled in BIOS setup
Alert! Cover was previously removed. You must clear the warning from BIOS Setup
受影響的平台：
- Alienware 16 Area-51 AA16250
- Alienware 18 Area-51 AA18250
- Dell Pro 14 Premium DA14250
- Dell 16 顯示器 - DC16250
- Dell 16 顯示器 - DC16251
- Dell 16 顯示器 - DC16255
- Dell 16 顯示器 - DC16256
- Dell Pro 13 Premium PA13250
- Dell Pro 14 Plus PB14250
- Dell Pro 14 Plus PB14255
- Dell Pro 14 Premium PA14250
- Dell Pro 14 Premium MA14250
- Dell Pro 16 Plus MB16250
- Dell Pro 16 Premium MA16250
- Dell Pro 18 Plus MB18250
- Latitude 7350 Detachable
- Precision 3490
- XPS 13 9345
Cause
訊息 1 在之前卸下基座護蓋時出現，BIOS 中的 機箱入侵偵測 會設為 啟用，而 清除前防止開機 則設為 關閉。
訊息 2 在之前卸下基座護蓋時出現，BIOS 中的 機箱入侵偵測 會設為 啟用，而 清除前防止開機 則設為 開啟。
Resolution
機箱入侵偵測的預設設定為開啟-無訊息，而清除前防止開機則為關閉。
- 為機箱入侵選取以無訊息開啟或停用。
- 為清除前防止開機選取關閉。
為提高安全性，Dell Technologies 建議您保持啟用機箱入侵偵測選項。如需詳細資訊，請參閱維修手冊： Dell 產品手冊和說明文件
Affected Products
Alienware 16 Area-51 AA16250, Alienware 18 Area-51 AA18250, XPS 14 (Dell 14 Premium) DA14250, Dell 16 DC16250, Dell 16 DC16251, Dell 16 DC16255, Dell 16 DC16256, Dell Pro Max 14 Premium MA14250, Dell Pro Max 16 Premium MA16250
, Dell Pro Max 16 Plus MB16250, Dell Pro Max 18 Plus MB18250, Dell Pro 13 Premium PA13250, Dell Pro 14 Premium PA14250, Dell Pro 14 Plus PB14250, Dell Pro 14 Plus PB14255, Latitude 7350 Detachable, Precision 3490, XPS 13 9345
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Article Properties
Article Number: 000401280
Article Type: Solution
Last Modified: 24 May 2026
Version: 2
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