In some cases, when you install/ re-install the operating system, upgrade the motherboard or replace the hard drive, the system may prompt an error message. This generally happens due to hard drive failure. In the case of hard drive failure, you may not be able to access the data stored in the hard drive. Furthermore, the situation can get worse and you may eventually lose your data. Thus, you need to maintain a valid and updated data backup to safeguard your data against loss. However, if you fail to maintain a backup, or the backup is incomplete, then you will need to use professional Data Recovery Services to recover your data completely.

For instance - When you try to boot your computer, you may encounter any of the following error messages:

"Invalid System Disk"

or

"Non System Disk Error"

The above error message mainly occurs due to failure of hard drive. As a result of the above error message, the hard drive data becomes inaccessible.

Cause:

Following can be the possible causes for the above error message:

• CMOS or BIOS is not setup properly.

• Unavailability of bootable files on the hard disk drive.

• Unbootable Floppy or CD is currently in the computer.

• The hard disk drive is improperly connected.

Resolution:

To resolve the above issue, consider the below measures:

• Make sure that your hard disk is setup and detected properly in BIOS.

• If you have not changed the software or hardware configuration of your computer, then you need to check the hard drive jumpers, as it might be the reason due to which your computer failed to detect the hard drive.

• Make sure that no Floppy diskette or CD is currently in the computer system.

• Make sure that the hard drive is connected properly. But, if the hard drive is properly connected and you still face the same error, the it might be the case of hard drive crash. In such situations, you will need to use Hard Drive Recovery Services to recover your data back from crashed hard drive. These services are provided by Data Recovery companies. The task of Data Recovery Services is performed by highly talented and knowledgeable technicians who employ sophisticated techniques for absolute recovery of your data.

Stellar Information Systems Limited is the world's most trusted brand that provides specialized Data Recovery solutions all over the world. Stellar assures complete and accurate recovery of data from Server, RAID, NAS and SAN hard drives after almost all data loss scenarios. With 16 years of sound experience in providing Data Recovery Services, the company holds more than 1,000,000 satisfied customers across the world.

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