Dell OptiPlex 7440 All-In-One W11C, Owner'S Manual

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disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also,
before you connect a cable, ensure that both connectors are correctly oriented and aligned.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
CAUTION: System will shut down if side covers are removed while the system is running. The system will not power on
if the side cover is removed.
CAUTION: System will shut down if side covers are removed while the system is running. The system will not power on
if the side cover is removed.
CAUTION: System will shut down if side covers are removed while the system is running. The system will not power on
if the side cover is removed.
Turning off your computer
After working inside your computer
After you complete any replacement procedure, ensure that you connect any external devices, cards, and cables before turning on your
computer.
1. Connect any telephone or network cables to your computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
2. Connect your computer and all attached devices to their electrical outlets.
3. Turn on your computer.
4. If required, verify that the computer works correctly by running
ePSA diagnostics .
Important Information
NOTE: Avoid using the touchscreen in dusty, hot, or humid environments.
NOTE: Sudden change in temperature may cause condensation on the inner surface of the glass screen, which will
disappear after a short time and does not affect normal usage.
Working on your computer 7