how can i change the "read-only" setting on my hard drive.?

Is this a drive that was in another computer and now in the current one as a second drive?

If so,

There are two ways. One is commandline as outlined in this link, http://pario.no/2011/05/23/clear-read-only-flag-on-disk-in-windows-7-using-diskpart/

I would recommend you be careful in doing the commandline and pay attention. Review it first and then do it.

The other is to go in and take ownership of the drive through properties on the drive. Go to security and then click advanced, look to see who the owner is, click change and take ownership. Then when it is done you should be able to change whatever you want.

the commandline is faster and easier, just be careful.

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