iPhoto can't see all my photos
For some reason when I open iPhoto it shows my 467 events flash up on the screen but then only 4 events are shown. I have obviously pressed something by mistake but of the life of me I can't work out what I have done. I have researched on web and can't seem to find solution.
Can anyone point me in th right direction.
many thanks
iMac, OS X Yosemite (10.10.2)