- Notes, cautions, and warnings
- About your system
- Performing initial system configuration
- Pre-operating system management applications
- Navigation keys
- About system setup
- Entering System Setup
- System Setup main screen
- System BIOS screen
- System Information screen
- Memory Settings screen
- Processor Settings screen
- SATA Settings screen
- Boot Settings screen
- Integrated Devices screen
- Serial Communications screen
- System Profile Settings screen
- System Security screen
- Miscellaneous Settings screen
- About Boot Manager
- About Dell Lifecycle Controller
- Changing the boot order
- Choosing the system boot mode
- Assigning a system or setup password
- Using your system password to secure your system
- Deleting or changing an existing system and/or setup password
- Operating with a setup password enabled
- Embedded system management
- iDRAC Settings utility
- Processor core licensing
- Networking configurations
- Installing sled components
- Recommended tools
- Removing the sled
- Installing the sled
- Inside the sled
- Cable cover
- Cooling shroud
- System memory
- Hard drives/SSDs
- Hard drive/SSD to node assignment
- Removing a hard drive/SSD
- Installing a hard drive/SSD
- Shutdown procedure for servicing a hard drive/SSD
- Configuring the boot drive
- Removing a 2.5 inch hard drive/SSD from a hard-drive/SSD carrier
- Installing a 2.5 inch hard drive/SSD in a hard-drive/SSD carrier
- Removing a 1.8 inch SSD from the SSD carrier
- Installing a 1.8 inch SSD in the SSD carrier
- Hard-drive/SSD backplane
- SSD cage assembly
- Easy restore module
- System battery
- System board
- Control panel
- Troubleshooting your system
- Using system diagnostics
- Jumpers and connectors
- Technical specifications
- Getting help
Dell PowerEdge FM120x4 Owner's Manual
Troubleshooting the system battery
CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized
in your product documentation, or as directed by the online or telephone
service and support team. Damage due to servicing that is not authorized
by Dell is not covered by your warranty. Read and follow the safety
instructions that came with the product.
The battery maintains the sled configuration, date, and time information in the NVRAM when the sled is turned off. You may need to replace the battery if an incorrect time or date is displayed during the boot routine.
You can operate the sled without a battery; however, the sled configuration information maintained by the battery in NVRAM is erased each time you remove power from the sled. Therefore, you must re-enter the system configuration information and reset the options each time the sled boots until you replace the battery.
- Re-enter the time and date through the System Setup.
- Remove the sled from the enclosure for at least one hour.
- Install the sled in the enclosure.
- Enter the System Setup.
If the date and time are not correct in the System Setup, replace the battery. If the problem is not resolved by replacing the battery, see Getting Help.
NOTE: If the sled 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.NOTE: Some software may cause the sled time to speed up or slow down. If the sled operates normally except for the time maintained by the System Setup, the problem may be caused by a software rather than by a defective battery.
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