Dell Latitude E5250 Owner's Manual page 4

警示: To disconnect a network cable, first unplug the cable from your computer and then
unplug the cable from the network device.
4. Disconnect all network cables from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets.
6. Close the display and turn the computer upside-down on a flat work surface.
註: To avoid damaging the system board, you must remove the main battery before you service
the computer.
7. Remove the base cover.
8. Remove the main battery.
9. Turn the computer top-side up.
10. Open the display.
11. Press and hold the power button for few seconds, to ground the system board.
警示: To guard against electrical shock, always unplug your computer from the electrical
outlet before opening the display.
警示: Before touching anything inside your computer, ground yourself by touching an
unpainted metal surface, such as the metal at the back of the computer. While you work,
periodically touch an unpainted metal surface to dissipate static electricity, which could
harm internal components.
12. Remove any installed ExpressCards or Smart Cards from the appropriate slots.
關閉電腦
警示: 為避免遺失資料，請在關閉電腦之前儲存並關閉所有開啟的檔案，結束所有開啟的程式。
1.
關閉作業系統：
• 在 Windows 8.1 中：
– 使用觸控裝置：
a.
從螢幕右緣向內掃動，以開啟快速鍵功能表，然後選擇設定。
b.
選擇
或
*
在首頁畫面中，輕觸
– 使用滑鼠：
a.
將游標指向螢幕右上角，然後按一下設定。
b.
按一下
或
*
在首頁畫面中，按一下
在 Windows 7 中：
•
4
然後選擇關機。
然後選擇關機。
然後選擇關機。
然後選擇關機。