help whit ram

Briefly describe your issue below:
hi I have a problem with the ram I have 2 memories of 8gb 16gb in total but I can only see 10.9gb
in the bios I see the 16gb but already in the so only 10.9

i have an hp probook 6475b laptop
the last version of os

What version of Parrot are you running? (include version (e.g. 4.6), edition(e.g. Home//KDE/OVA, etc.), and architecture (currently we only support amd64)

What method did you use to install Parrot? (Debian Standard / Debian GTK / parrot-experimental)

Configured to multiboot with other systems? (yes / no)

If there are any similar issues or solutions, link to them below:

If there are any error messages or relevant logs, post them below: