Ubuntu won't boot after install. topic

I am totally new to the Linux world and i can't really figure it out on my own, so please help!

After i install Ubuntu from the liveUSB my laptop won't boot from the hdd, even though the Ubuntu installer said it installed successfuly.
I have no idea what to do next... if i have the liveUSB still connected it will boot from it, when i manually select the hdd it just gives me this screen :
IMG_20150209_145705.jpg... and after a few seconds it will show me the boot devices :
IMG_20150209_145651.jpg

When i restart my laptop from the liveUSb and the usb still connected it shows me this screen :
IMG_20150209_130648.jpg


I don't know what to do, please help!

My laptop is Lenovo IdeaPad Z570 Intel i5, nvidia geforce 540M 4GB ram

Thanks in advance,
Andrew!

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