Dell PowerEdge R815 Hardware Owner's Manual - Page 154

Troubleshooting the System Battery

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• USB memory key • NIC hardware key • Internal Dual SD Module • Expansion cards and both expansion-card risers • Integrated storage controller • iDRAC6 Enterprise card • Power supplies • Processors and heat sinks 4 Ensure that all cables are properly connected. 5 Close the system. See "Closing the System" on page 77. 6 Run the system board tests in the system diagnostics. See "Running the Embedded System Diagnostics" on page 172. If the tests fail, see "Getting Help" on page 185. Troubleshooting the System Battery NOTE: If the system is turned off for long periods of time (for weeks or months), the NVRAM may lose its system configuration information. This situation is caused by a defective battery. 1 Re-enter the time and date through the System Setup program. See "Using the System Setup Program and UEFI Boot Manager" on page 53. 2 Turn off the system and disconnect it from the electrical outlet for at least one hour. 3 Reconnect the system to the electrical outlet and turn on the system. 4 Enter the System Setup program. If the date and time are not correct in the System Setup program, replace the battery. See "Replacing the System Battery" on page 132. NOTE: Some software may cause the system time to speed up or slow down. If the system seems to operate normally except for the time kept in the System Setup program, the problem may be caused by software rather than by a defective battery. If the problem is not resolved by replacing the battery, see "Getting Help" on page 185. 156 Troubleshooting Your System

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156
Troubleshooting Your System
•
USB memory key
•
NIC hardware key
•
Internal Dual SD Module
•
Expansion cards and both expansion-card risers
•
Integrated storage controller
•
iDRAC6 Enterprise card
•
Power supplies
•
Processors and heat sinks
4
Ensure that all cables are properly connected.
5
Close the system. See "Closing the System" on page 77.
6
Run the system board tests in the system diagnostics. See "Running the
Embedded System Diagnostics" on page 172.
If the tests fail,
see "Getting Help
" on page 185
.
Troubleshooting the System Battery
NOTE:
If the system is turned off for long periods of time (for weeks or months), the
NVRAM may lose its system configuration information. This situation is caused by a
defective battery.
1
Re-enter the time and date through the System Setup program. See "Using
the System Setup Program and UEFI Boot Manager" on page 53.
2
Turn off the system and disconnect it from the electrical outlet for at least
one hour.
3
Reconnect the system to the electrical outlet and turn on the system.
4
Enter the System Setup program.
If the date and time are not correct in the System Setup program, replace
the battery. See "Replacing the System Battery" on page 132.
NOTE:
Some software may cause the system time to speed up or slow down. If the
system seems to operate normally except for the time kept in the System Setup
program, the problem may be caused by software rather than by a defective
battery.
If the problem is not resolved by replacing the battery, see "Getting Help"
on page 185.