Most of the people answer in affirmative that the Windows operating system is the most widely used OS of all. Simple, yet self explanatory features of Windows has made it this popular. However, at the same time, more viruses and malware also target Windows operating system based computers. Whatever be the reason, if due to any Windows error, your data becomes inaccessible or lost, restoration of the data from the backup is the foremost choice. If back-up is not up to date or failed to restore the data, then you are left with a single safe choice, that is to run a Windows data recovery software to recover back your valuable data. Without any prior instance of problem, you started your computer and got a dark screen with an error message flashing on the screen. The system did not boot further making your data in the hard drive unavailable. The error message that had flashed on the screen is as follows: â€Non-system disk or disk error†Cause: There can be more than one possible reasons behind the above problem. Before listing the same, a simple analysis says that may be your start-up device does not contain any boot file and Windows is trying to load that device. Other possible reasons can be any of the following: â€The parameters set by the CMOS drive settings may be incorrect for the device from which the system is trying to boot. â€A troubled hard disk drive. â€Virus attack or malware intrusion. Solution: In order to resolve the above issue, follow the steps individually and try to boot the system thereafter. â€Try removing any non-system disk attached to the system that is any non-bootable system disk that has been at the point, from where the system is tend to boot, including the CD/DVD drive, floppy drive etc. â€Try to check, whether the boot sequence of your system is correct or not that is the boot device selected should contain the boot files or the operating system files installed in it. Go to the settings at the startup and set the correct boot device accordingly. â€If your system contains multiple hard disk drives, ensure that the drive from which you are trying to boot has been installed with a bootable operating system, such as Windows XP, Vista etc. Note: Always remember to install a good anti virus and Spam filter on your computer and update that regularly. If you are still unable to get access to your data in the drive, then look for any windows data recovery software that can bring back the inaccessible data. Stellar Phoenix Windows Data Recovery software is considered as one of the best of its kind of data recovery utilities. The software is capable of recovering any lost, formatted, deleted or inaccessible Windows data under any instance of data loss. It can recover almost any data from FAT, ExFAT and NTFS file system based partitions with ease.
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