New SSD in laptop can't boot

[vlatkovr]

Hi Everyone,

I have a Dell N5110 laptop and bought a new SSD and installed it in the DVD rom spot using a drive caddy.
The SSD is recognized by the bios and WIndows 7.

Here is how the whole setup looks:

I cloned the C: partition to the SSD (A: ) but the laptop won't boot from the SSD. I made the System reserved partition on the HDD inactive (as I assume the bootloader is there) but then it won't boot at all.
When I insert the WIn7 bootable USB and try to repair it repairs the HDD boot section.

I've seen that I need to disconnect the HDD and then use the WIn7 bootable media to repair but that is not an option. Removing the HDD on this laptop means completely dismantling it, and it is not really mine.

I need to boot from the SSD while the HDD is still in.
Any help is appreciated?

Thx

 

[SIW2]

At an admin command prompt:

bcdboot a:\windows /s a:

diskpart

sel vol c

inact

exi

Close cmd prompt, restart