Dell OptiPlex 5055 Tower, Owner'S Manual

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Option Description
SERR Messages Controls the SERR message mechanism. This option is set by default. Some graphics cards require
that the SERR message mechanism be disabled.
Dell Development Configuration This options is disabled by default.
BIOS Downgrade Allows you to control flashing of the system firmware to the previous versions. This option is enabled
by default.
NOTE: If this option is not selected, the flashing of the system firmware to the previous
versions is blocked.
Data Wipe Allows you to securely erase the data from all the available internal storages, such as HDD, SSD,
mSATA, and eMMC. The option Wipe on Next Boot is disabled by default.
BIOS recovery Allows you to recover the corrupted BIOS conditions from the recovery files on the primary hard
drive. The option
BIOS Recovery from Hard Drive is selected by default
Table 15. System Logs
Option Description
BIOS Events Displays the system event log and allows you to:
• Clear Log
• Mark all Entries
Table 16. SupportAssist System Resolution
Option Description
Auto OS Recovery Threshold Options are: OFF, 1, 2 (default), 3.
Updating the BIOS in Windows
It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available.
NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS
update is completed.
1 Restart the computer.
2 Go to Dell.com/support .
• Enter the Service Tag or Express Service Code and click Submit .
• Click Detect Product and follow the instructions on screen.
3 If you are unable to detect or find the Service Tag, click Choose from all products .
4 Choose the Products category from the list.
NOTE: Choose the appropriate category to reach the product page
5 Select your computer model and the Product Support page of your computer appears.
6 Click Get drivers and click Drivers and Downloads .
The Drivers and Downloads section opens.
7 Click Find it myself .
8 Click BIOS to view the BIOS versions.
9 Identify the latest BIOS file and click Download .
10 Select your preferred download method in the Please select your download method below window, click Download File .
The File Download window appears.
11 Click Save to save the file on your computer.
12 Click Run to install the updated BIOS settings on your computer.
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