Alternatively, you can use the Clone Disk option to create a physical copy of your drive and avoid permanent data loss due to disk failure. In case disk health is poor, skip to Step 3, and immediately recover data. You may also use CrystalDiskInfo to check the SMART status of your RAID drives. Repeat the step to check other RAID 0 hard drive health.Ělso, click ‘SMART Status’ to get deeper insights about disk health.Ĝheck health and performance status of your RAID drive and if the system can detect them.Ĝlick ‘Monitor Drive’ and then choose the RAID drive from the top-left drop-down list.Then install Stellar Data recovery Technician and launch it.You may skip this step if the drives are already connected to your PC’s motherboard and not to external RAID hardware. In case the RAID 0 is still unrecognized, disconnect each drive from the RAID stack and connect them to your Windows PC by using SATA cable or SATA to USB converter. But don’t worry, you will not lose access to your files or data if you follow this guide carefully.Ĭheck the SATA cables for a firm connection and damage. However, with the following steps, you may try to fix the error:īut if these fixes fail or don’t work, you will need to reformat RAID 0 drives and reconfigure RAID 0 from scratch. This also leads to data loss, as RAID 0 can’t rebuild data. Thus, if one drive fails or stops working due to any logical, physical, or mechanical error, the RAID 0 stops working and a system fails to recognized or mount a RAID 0 partition. It works on the principle of data striping and lacks redundancy. ![]() In RAID 0 array, data is split across two or more drives. An outdated, misconfigured, and corrupt BIOS or damaged software such as device drivers can easily mess up your system and cause chaos.Ī system not recognizing a RAID 0 partition is one such error that may arise due to misconfigured, corrupt, and recently updated BIOS. In that case, you need to send the disk to a repair center.BIOS, firmware, operating system, and software updates are critical for optimal system performance. If not, it shows that the drive has some hardware problems. If it lists there, click the Mount button to mount the external hard drive manually. After checking the connections, you can go to Disk Utility. Usually, the hub will supply extra power to the hard drive and buffer the USB connection.Īnd usually, if an external hard drive not mounting on Mac, the first thing is to check the port, cable, and disk. I suspect that the disk lacks some power. The causes may be the drive itself, the port, or your Mac computer. When it goes out, it means that there's something wrong making your external drive not work on your Mac anymore. When the light on the drive is on, it means that the external drive is successfully connected to your Mac. You've tried a new USB adapter and also connect it to an older MacBook, but have you tried plugging the external hard drive into another port on your Mac? And do you hear the spinning sound from the drive when it is connected to your Mac? If you can hear the sound from the disk, it means that the drive can work and is connected to your Mac well.Īnd you also say that the light on the drive from on to off. ![]() ![]() I can estimate that either the external disk has connection issues or hardware damage. You say that the external hard drive doesn't show up either in Mac Finder or Disk Utility.
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