Yosemite upgrade asks to turn on Filevault??

[m021478]

I upgraded to Yosemite on my 27-inch iMac as well as my 15-inch MacBook Pro, and for some reason upon installing the update on my MacBook Pro, I'm presented with a screen asking about FileVault disk encryption. Specifically, I'm being asked if I want to turn on FileVault Disk Encryption, as well as whether or not I want to allow my iCloud account to unlock my disk.

Not really sure why I was presented with these questions on my MacBook Pro, but not on my iMac computer, and I'm unclear as to how to proceed?

I remember when FileVault first came out a few OS's ago, it was known to slow down your system, which was not ideal for somebody like me who handles lots of video rendering and high resolution image editing in Photoshop. As such, I've not tinkered with FileVault since that time.

Should I assume that it's asking me about FileVault on my laptop because it's more vulnerable, being that I often take it out of the house with me on-the-go?... and it is the current release of FileVault in Yosemite still known to slow down your system, or has that been improved?

Any suggestions would be greatly appreciated... Thanks!

 

[ABC5S]

I clicked no to the filevault, than proceeded on. Apple is just thinking of more security for us with this new window upon install.

 

[nobodyjustwalks]

I remember reading somewhere that FileVault is faster and has been improved over the years, however, I donʻt remember where, so I guess itʻs a moot point. I too left the FileVault option off, and have always on past machines.

 

[janitor3]

When I was trying the beta versions on my macbook pro, after finishing installing, it asked if I wanted Filevault turned on. I just left the option off.

 

[cjmillsnun]

The reason they ask on a MBP and not on an iMac is simple.

Full disk encryption is advantageous on a portable computer, because it is more likely to be stolen.