1. Q:

Hard drive not recognized until after using a partition software?

Basically what happened was my old hard drive died (it was progressively getting worse, and eventually just stopped writing information). I used the dead hard drive for a few years before it died, in the same slot and the same SATA cable. I recently purchased a new replacement drive, a Toshiba 1tb Internal. When I first tried to install Windows 7 on this drive windows recognized that there is a drive there but it was unable to determine size and available space (and my bios did the exact same, (Sata0 - 0.0 MB). My previous hard drive in this slot would also show the brand and serial number in the Bios line for Sata0. In order to get my pc to acknowledge the size and space of this new hard drive I needed to use a disk partition software . I did not have to partition the disk or anything, all I needed the software to do was to boot from the CD and open the software. It then runs a scan for disk drives on the computer. Fast forward to where I am at now. There is Windows 7 Ultimate 64bit installed on this drive, amongst other games and drivers. The Pc runs fine, restarts fine, etc, but when I turn the computer off, and then turn it back on it doesn't boot from the hard drive and pops the error "No operating system found." Ive tried different power supply connections, Ive tried different SATA cables, and different SATA ports on the mobo. I only have one desktop pc in my house so at this time Im unable to try the drive in another computer.

1. A:

When the hard disk can not be recognized, should not be easy to do the physical maintenance of the hard drive, be sure to have enough patience to find a solution. 2: The hard disk can not be identified, there are many hardware and software reasons, sometimes the file system or partition table damage, this situation, the direct use of data recovery software will be able to recover data; sometimes the motherboard configuration is damaged, the motherboard configuration reset to Factory settings, remove the motherboard battery and re-install the battery, in many cases this simple means will be able to solve the problem; some of the most common very simple problem, only need to clean up the computer parts of the dust can be; 3: Even if you have tried a variety of solutions, still can not solve the problem, do not be discouraged, have patience, still do not easily physical maintenance hard drive. 4: similar to the problems I mentioned earlier, and sometimes, the hard disk used for a long time, he just need to rest for some time, sometimes for another computer, only need more time to wait. It should be noted that some failures are caused by insufficient power supply 5: If in the end anyway can not solve the problem, do physical testing should be very cautious, at least in the detection of non-destructive means to be used. 6: A serious failure of the old hard drive, backup and recovery of important data, try not to continue to use.

2, Use Aidfile data recovery software "Full Scan" to scan the drive.

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