[SOLVED] SSD not detected after up replacing HDD

Jan 31, 2019
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I have a Lenovo y50-70 and I bought a new WD blue SSD to replace the internal HDD. However after replacing the HDD with SSD my system isn’t detecting it. So if I try to install windows from a bootable or drive it can’t detrct any drives.

I tried to put back my HDD but now even that isn’t detected. On the BIOS Indormation menu it says
Hard Disk [Not Detected]

I don’t know what I’ve done wrong. Can someone please help. Thanks!!