請勿在更新 BIOS 時將電腦關機或拔除電源，電腦可能因此受損。更新期間，電腦將重新啟動，並且會暫時顯示黑色畫面。
更新前，請閱讀以下所述的安裝說明與重要資訊。
Dell Latitude E5440 System BIOS
需要重新啟動 已自動安裝 此檔案會在最近更新時自動安裝。如果您遇到任何問題，可以手動下載並重新安裝。此頁面的內容可能經過電腦自動翻譯。若要提供意見回饋，請填寫頁面底部的表單。
This package provides the BIOS update for Dell Latitude E5440 running the following Operating Systems: Windows and DOS.
建議
請以系統管理員身分登入 Windows，以使用自動掃描。如果您已經以系統管理員身分登入並看到此訊息，請重新開機。 您的系統會由 IT 管理員管理，且功能可能會受到限制。
尋找更多更新。使用 SupportAssist 為您的裝置尋找所有最新的驅動程式更新。
修復及強化
Fixes:
- Updated to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue.
Enhancements:
- Not Applicable
閱讀更多- Updated to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue.
Enhancements:
- Not Applicable
繁體中文版
A21, A21
發佈日期
01 3月 2018
下載類型
系統 BIOS
類別
BIOS
重要性
重大Dell Technologies 強烈建議儘快套用此重要更新。此更新包含的重大錯誤修正和變更，可改善 Dell 系統功能、可靠性及穩定性。其也可能包含安全性修正和其他增強功能。
可用的格式
檔案格式： Windows/DOS 的 CPG BIOS 執行檔
檔案名稱： E5440A21.exe
檔案大小： 8.43 MB
此為大型檔案。視您的連線速度而定，下載可能需要一些時間。
格式說明:
此檔案格式包含 BIOS 可執行檔。此通用 (Windows/MS DOS) 格式可用於在任何 Windows 或 MS DOS 環境中進行安裝。
為了確保下載的完整性，請驗證總和檢查值。
MD5：
b548344cca805919b1b10617768a31b8
SHA1：
0780d1fb6745b554f88d6149e80ed27ee5950100
SHA-256：
1e3a2e1fcd8aacacbf8abd502627ffb7370ae6d4cefafc67496bab367078e7d0
當您開始下載，即表示您接受 Dell 軟體授權協定 (英文版) 的條款。
支援的作業系統
BIOS
適用於
Dell Latitude E5440
安裝指示
BIOS Update Executable for Windows/DOS
Download
1. Click "Download File", to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.
Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment, if Legacy Boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply", "Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
9. Change "Legacy" to "UEFI" Boot Option.
10. Click "Apply", "Exit" to save changes and reboot system.
--------------------------------------------------------------------------------
Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it
Download
1. Click "Download File", to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.
Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment, if Legacy Boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply", "Exit" to save changes and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot .
8. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
9. Change "Legacy" to "UEFI" Boot Option.
10. Click "Apply", "Exit" to save changes and reboot system.
--------------------------------------------------------------------------------
Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it