System reboots to Mavericks after running Chimera and the Yosemite installer

[lablodge]

I installed Chimera 4.0 on my system then ran the Yosemite installer and rebooted my system only to have it run Mavericks. My system is based on the GA-Z77X-UP5 TH, any help would be appreciated.

 

[derFunkenstein]

If you're trying to upgrade, the installer creates another partition - not the Mavericks recovery partition, but a third one - that you need to select at the Chimera boot screen (assuming it's supported in Chimera at all).

 

[lablodge]

I am not seeing the Chimera 4.0 boot screen, any tips?