To reduce the possibility of damage from electrostatic discharge, observe the following precautions:
• Limit your movement. Movement can cause static electricity to build up around you.
• Handle the device carefully, holding it by its edges or its frame.
• Do not touch solder joints, pins, or exposed circuitry.
• Do not leave the device where others can handle and damage it.
• While the device is still in its static-protective package, touch it to an unpainted metal surface on the
outside of the server for at least 2 seconds. This drains static electricity from the package and from
your body.
• Remove the device from its package and install it directly into the server without setting down the device.
If it is necessary to set down the device, put it back into its static-protective package. Do not place the
device on the server cover or on a metal surface.
• Take additional care when you handle devices during cold weather. Heating reduces indoor humidity
and increases static electricity.
Removing the server top cover
Use this information to remove the server cover.
Before you install optional hardware devices, make sure that the server is working correctly. Start the server
and make sure that the operating system starts (if an operating system is installed) or that a 19990305 error
code is displayed, indicating that an operating system was not found but the server is otherwise working
correctly. If the server is not working correctly, see Chapter 4 “Troubleshooting” on page 157.
To remove the server top cover, complete the following steps:
Step 1.
Read the safety information and installation guidelines, see “Safety” on page v and “Installation
guidelines” on page 38.
Step 2.
Turn off the server and all attached peripheral devices. Disconnect all power cords; then,
disconnect all external cables from the server.
Step 3.
If the server has been installed in a rack, slide the server out from the rack enclosure.
Step 4.
Press in on the blue tab on the cover-release latch and lift the cover-release latch up (the cover
slides to the rear). Lift the cover off the server and set it aside.
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Lenovo System x3750 M4 Installation and Service Guide
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