An Unallocated disk or drive is one that hasn’t been assigned any drive letter. To install an operating system on brand new hard drives, you will be required first to partition it because you ...

Method 2. Recover external hard drives from a backup After losing data on an external hard drive, you should check all the backup disks in an effort to find and restore useful data from them. If ...

So be sure to read carefully and follow the instructions below. Prepare a Recovery Disk. Backup Data from the Failing Hard Disk. Recover Data from the Recovery Disk. Contact HP Support for further ...