Applicable Products
QTS, QuTS hero
Overview
After a sudden power outage or voltage surge, your NAS may no longer be visible in Qfinder Pro, or accessible via the web interface, or bootable.
Possible symptoms may include:
- No LED activity or beep sounds during startup
- LEDs appear normal, but NAS is not reachable via LAN
- Drive LEDs blink abnormally or not at all
- NAS powers on but fails to complete boot
Root Cause
A QNAP NAS may fail to boot after an unexpected power loss due to:
- Corrupted internal firmware (DOM/Flash): If the firmware was being accessed or updated when power was lost, it may be damaged.
- Unstable or faulty drives: Drives with critical errors may prevent the NAS from completing system initialization.
- Interrupted firmware upgrade: If a power failure occurred during a firmware update, the system bootloader or OS may be incomplete.
- Network misconfiguration: DHCP or IP resets may result in the NAS not being reachable.
Solution
Step 1: Boot the NAS without any drives
- Power off the NAS.
- Remove all hard drives from the NAS.
- Power on the NAS without any drives inserted.
- If the NAS boots and you hear the beep: This confirms that the system firmware and hardware are working. Proceed to Step 2.
- If the NAS still does not boot: The issue could be a corrupted DOM or mainboard failure. Refer to the NAS Recovery Guide or contact QNAP Technical Support.
Step 2: Test the hard drives
- If the NAS boots without drives, the issue is likely related to the drives.
- Identify any drives previously flagged with SMART errors, abnormal noises, or system logs.
- Insert a drive that you believe is healthy and power on the NAS.
- Insert another drive and test again.
- Continue until you identify the drive (or multiple drives) that prevents successful boot.
Step 3: Restore system access
If the NAS boots successfully:
- Connect the NAS and your computer to the same subnet.
- Use Qfinder Pro to locate the NAS on your network.
- If the NAS is still not visible:
- Try a direct Ethernet connection with static IP address (e.g., NAS: 192.168.1.100 / PC: 192.168.1.101).
- Reset the NAS network settings by pressing and holding the reset button for 3 seconds. This only resets the admin password and IP settings.
- Do not perform a 10-second reset unless you understand its full impact.
Further Reading
適用產品
QTS, QuTS hero
概覽
在突然斷電或電壓突波後，您的 NAS 可能無法在 Qfinder Pro 中顯示，或無法透過網頁介面存取，或無法開機。
可能的症狀包括：
- 啟動時無 LED 活動或嗶聲
- LED 顯示正常，但無法透過 LAN 存取 NAS
- 硬碟 LED 異常閃爍或完全不閃爍
- NAS 開機但無法完成啟動
根本原因
QNAP NAS 在意外斷電後可能無法開機的原因包括：
- 內部 韌體（DOM/Flash）損壞：如果在斷電時正在存取或更新 韌體，可能會損壞。
- 不穩定或故障的硬碟：有嚴重錯誤的硬碟可能會阻止 NAS 完成系統初始化。
- 中斷的 韌體 升級：如果在 韌體更新 期間發生斷電，系統引導程式或作業系統可能不完整。
- 網路配置錯誤：DHCP 或 IP 重置可能導致無法存取 NAS。
解決方案
步驟 1：在無硬碟的情況下啟動 NAS
- 關閉 NAS 電源。
- 從 NAS 中取出所有硬碟。
- 在未插入任何硬碟的情況下啟動 NAS。
- 如果 NAS 啟動並聽到嗶聲：這確認系統 韌體 和硬體正常運作。繼續進行步驟 2。
- 如果 NAS 仍然無法啟動：問題可能是 DOM 損壞或主板故障。請參考 NAS 恢復指南 或聯絡 QNAP 技術支援。
步驟 2：測試硬碟
- 如果 NAS 在無硬碟的情況下啟動，問題可能與硬碟有關。
- 識別任何先前標記為SMART 錯誤、異常噪音或系統日誌的硬碟。
- 插入您認為健康的硬碟並啟動 NAS。
- 插入另一個硬碟並再次測試。
- 繼續進行，直到識別出阻止成功啟動的硬碟（或多個硬碟）。
步驟 3：恢復系統存取
如果 NAS 成功啟動：
- 將 NAS 和您的電腦連線到同一子網。
- 使用Qfinder Pro在您的網路上定位 NAS。
- 如果 NAS 仍然不可見：
- 嘗試使用靜態 IP 地址進行直接乙太網連線（例如，NAS：192.168.1.100 / PC：192.168.1.101）。
- 按住重置按鈕 3 秒鐘以重置 NAS 網路設置。這只會重置 admin 密碼和 IP 設置。
- 不要執行 10 秒重置，除非您瞭解其全部影響。
進一步閱讀
