Restart requiredAUTO INSTALLEDThis file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
IMPORTANT: After a successful power supply firmware download, the managed system turns off for a duration ranging from three to ten minutes to continue updating the firmware. Once the firmware update is complete, the managed system reboots automatically.
CAUTION! Performing an AC power cycle or cold boot during a power supply firmware update, forces the power supply unit into an irrecoverable state and the managed system does not boot.
Recommended
Check compatibility
Enter your Dell Service Tag or model
Want to look up your product? Enter a product identifier.Show me how
No results found.We couldn't find anything for your search. Please modify your search to enter a service tag (B959FS3) or model (Latitude 5540) and try again.
This driver is not compatible
This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.
Sign in to Windows as an admin to use automatic scan. If your're already signed in as an admin and seeing this message, please reboot.Your system is managed by your IT admin and features might be limited.
Find more updates. Use SupportAssist to find all the latest driver updates for your device.
Fixes & Enhancements
1. Fixed the improper handing for the periodic harmonic distortion in AC line
Dell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update. Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
The installation steps are: 1. After running the DUP, the user is asked if it's ok to restart system (Say yes). 2. The system will reboot and go into Lifecycle Controller on its own. 3. Once in Lifecycle Controller, it will schedule tasks (PSU updates). A warning message displays for 12G systems (i.e., do not power down, system will restart on its own). 4. Lifecycle Controller will turn off system. While in standby, this is when PSUs are actually being updated. It is imperative not to disturb/restart manually during this time. Update time can vary but should be approx. 10 min but should add margin to make sure you don't interrupt (some Dups have taken up to 20 minutes. Be Patient). 5. After update, system will turn on by itself.