Dell PowerEdge 2450 - Manual (Page 59)

support.dell.com Checking Inside the Computer 7-9
4. Is the battery firmly installed in the battery socket on the system board?
Yes. Go to step 7.
No. Go to step 6.
5. Reseat the battery in its socket.
6. Close the computer doors and reconnect the system to the electrical outlet.
Is the problem resolved?
Yes. The battery was loose. You have fixed the problem.
No. Continue with this procedure.
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7. Repeat steps 1 and 2.
8. Replace the battery.
Is the problem resolved?
Yes. The battery's charge was low. You have fixed the problem.
No. See Chapter 11, “Getting Help,” for instructions on obtaining technical
assistance.
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Your PowerEdge 2450 system may contain two optional, redundant power supplies.
The two indicators on the back of each power supply (see Figure 7-5) signal the power
supply's current status. If the red (forwardmost) failure indicator lights up, replace the
power supply as described in the following subsection.