Do I need to update the BIOS before installing new memory modules in the HP EliteBook 840 G5?
Yes, you must update the computer to the latest BIOS before adding new memory modules. Failure to update the BIOS prior to installing new memory may result in various system problems. You can download the latest BIOS by navigating to www.hp.com and searching for your computer model. (Page 40)
From the official HP Elitebook 840 G5 Notebook PC manual, page 40
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