Helping people with computers... one answer at a time.
Computers are configured to run off an internal C drive; and there is also the question of speed and convenience.
My HCL laptop's internal hard disk is dead. Can I use my external USB Seagate hard disk, 500 GB, as my internal hard disk? Can I install the operating system on it?
In this excerpt from Answercast #45, I look at the problems involved in trying to run an operating system off an external drive.
The answer is it depends.
The external drive that you have uses a drive that is the same size as your internal drive (and I mean the same physical size; 2 1/2 inches I believe is what most of those drives are);
And the external drive uses the same interface (either IDE or SATA, as your laptop does, and again, it's probably SATA);
...then absolutely! You can remove the hard disk from the external enclosure, place it into your laptop, reinstall the operating system on it from scratch (by booting from your installation media or restoring from a backup) and you should be good to go.
But the important thing to realize are those two things:
The actual drive (I'm not talking the enclosure; I'm talking about the hard disk that's inside that external drive enclosure) needs to be the right physical size so that it will fit inside of your laptop.
And it needs to have the correct interface (so that the laptop will know how to talk to it).
Now, if your question is, "Can you leave it as an external drive and have it be treated as if it were internal?"
The answer there is no.
It's either not possible physically (and by that, I mean there's no way to convince the machine that hey, this disk over here is the internal drive);
But it's also not something you want.
Realize that the speed with which the drive is accessed internally is significantly faster than the speed with which devices on USB buses are accessed:
So, you'll end up with a fairly slow machine;
And you'd have to carry this external box along with a laptop.
It just doesn't make a whole lot of sense. At that point, the right thing to do is to simply replace the internal drive in that laptop.
So, again, short answer, yes, as long it meets certain
End of Answercast #45 Back to – Audio Segment
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