can't access drives

Hi, As of yesterday, I have been unable to access files on my HDD consistently; Upen restart the disk is either not available at all, or it is available, but unusable (Interacting with the drives, or the files on the drive giving the error message "D:/<FILE PATH> is not accessible, a device...

I have installed windows on a new HDD, and as for the old one, I have just formatted the C drive of the old one from windows install setup. Now the thing is, I had other stuff in that old HDD. The old one had 4 partitions, one of them is C which is gone, 2 drives show details in blue (Image...