Hi
thanks for reaching out
Apologies for the delayed response. Work has been crazy busy
im not a techie as such and have used my MBP continuously since new ( 2012)
the details :
10.11.6 OS X el capitan. normal apple upgrade
For what it means this is what I found under about this mac:
EFI:
Capacity: 209.7 MB (209,715,200 bytes)
BSD Name: disk0s1
Content: EFI
Volume UUID: 0E239BC6-F960-3107-89CF-1C97F78BB46B
disk0s2:
Capacity: 499.42 GB (499,418,030,080 bytes)
BSD Name: disk0s2
Content: Apple_CoreStorage
Recovery HD:
Capacity: 650 MB (650,002,432 bytes)
BSD Name: disk0s3
Content: Apple_Boot
Macintosh HD:
Available: 204.42 GB (204,424,384,512 bytes)
Capacity: 499.05 GB
Backups: i havent made backups and done a clean reinstall as im afraid i do something wrong and lose my documents and moreover my photography files
I would try it if i know how to do it well without losing anything ( i have bad experiences with changing phones etc)