Dropped HDD, what are the consequences?

You can pull all matter in price and time. Take in a/C, just ask plate not scrable. Then suffer with the recovery software, if not help then help only specialists.

You can restore
But from personal experience — not always qualitatively

I have the screw makes moaning sounds when his power is not enough. Can you do after the fall any chain have covered?

r-studio in hands and forward. from personal experience — restores very well. but it is worth the money -)

SATA or IDE? You can try to insert another hard cover or join now
\r
"Attempt not torture", and the likelihood that chip died too.

groans — so may not spin
this means that fell to the surface and stuck head
what you can do:
1.Remove the screw from the casing and connect the supply connector to the desktop, where the current will be more, some "zalipali" come off (determined by ear-buzzed), and then disconnected, placed in the casing and very quickly merge data potentially screw is not long in a week
2.Stuck hopelessly. claim 1 does not help, it does not matter if the hands do not falter — take a screwdriver, Unscrew the cover, prepare all of the cable so as to quickly turn the screw and to merge info, then:
.remove the cowl(under sticker too, will screw which holds the cover — sticker rip off)
b.a glance quickly determine where the screw from the Parking area. She is either outside of a pancake on its outer diameter (see plastic skids for heads-often)
an example of parked heads
\rwww.thg.ru/technews/images/5_inch_500gb_hdd-150908.jpg
OR happens near the centre of the spindle (not visible from the outside of the slide and near the center of the spindle on the damn see the ring of another color)
V. a pair of tweezers or other tool taalunieversum (not for head) print head to the Parking place in accordance with paragraph "b", damn necrotism during the withdrawal of the head(OK)
G. close the case on all the screws in the clear will not work, since the upper cover has a rib for bearing heads
D. turn on, and quickly merge the files you need, the screw will not be a tenant after 1-2hours of work

God bless people who have happen such events. Your suffering is a reminder to the others of the need for regular backup.