Lenovo 70LU, Руководство пользователя и руководство по техническому обслуживанию аппаратного обеспечения

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Figure 85. Installing the new coin-cell battery
4. Reinstall the server cover and connect the cables. See “Completing the parts replacement” on page 96.
5. Turn on the server and all attached devices.
Note: When the server is turned on for the first time after the battery is replaced, an error message
might be displayed. This is normal after replacing the battery.
6. Use the Setup Utility program to set the date, time, and any passwords. See Configuring the server.
For service technician only: replacing the heat sink and fan assembly
Attention: This procedure must be performed only by trained service personnel of Lenovo. Do not open your server or
attempt any repair before reading and understanding “Read this first: safety information” on page iii and “Getting
familiar with important guidelines” on page 39.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
CAUTION:
The heat sinks and CPUs might be very hot. Turn off the server and wait several minutes to let the
server cool before removing the server cover.
To replace the heat sink and fan assembly, do the following:
1. Prepare your server. See “Preparing your server and removing the server cover” on page 41.
2. Lay the server on its side for easier operation.
3. Locate the heat sink and fan assembly. See “Server components” on page 16.
4. Disconnect the heat sink and fan assembly cable from the system board.
5. Follow the following sequence to remove the screws, and then lift the heat sink and fan assembly off the
system board.
a. Partially remove screw 1 , then fully remove screw 2 , and then fully remove screw 1 .
b. Partially remove screw 3 , then fully remove screw 4 , and then fully remove screw 3 .
Chapter 5
.
Replacing hardware
89