HP Recommended
HP Recommended
The RTC battery is on the system board, of course.
Open
HP ProBook 450 G5 Notebook PC - Maintenance and Service Guide
Page 73
Description Spare part number
RTC battery 746439-001
Considering that pretty much everything else has to come out / off first, you'll probably end up looking at more than the one page...
What else?
The clock should run, of course.
If you have not done so, check the sync setup...
Control Panel > Date and Time
Tab Internet Time
Change Settings
Check Synchronize with an Internet time server
Select a server from the drop-down list
Update Now
OK to save and exit
What else?
I've never checked for it; there MIGHT be something in the BIOS that impacts the clock / time setup.
If your BIOS is out of date, that might impact how the system perceives itself...
At this writing: 01.14.01 Rev.A
Date: 06-Nov-2020
Really reaching...
Could be there is a need to run Windows Updates - unlikely...
Device Home Page - References and Resources – Learn about your Device - Solve Problems
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When the website support page opens, Select (as available) a Category > Topic > Subtopic
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