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HP ZBook Studio G3 Mobile Workstation (ENERGY STAR)
Microsoft Windows 10 (64-bit)

I recently had to install a new battery and took the opportunity to upgrade the main memory from 16 to 32 Gb. The first time I booted up it said there was a change to the memory configuration, usually caused by REMOVING memory, and gave me the choice to change the boot setup to match the new RAM (note that I bought the memory module as specified in the Service and Repair Manual and it snapped right into place).  I did that and noticed it was taking quite a long time to boot, but eventually it did.  I checked the memory in SYSTEM INFORMATION and it shows as 32 Gb, as it should.

 

It has continued to take a long time to boot up, as much as 5 minutes.  At first there is a black screen, then the HP Logo splash screen.  Finally, the boot completes and everything seems to run normally after that.

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