If you observe any recent changes due to BIOS update or corruption, revert those. System BIOS may get corrupt if the downgrade procedure fails in between. So proceed accordingly, at your own risk. If your RAID array is external or network-connected, try replacing the hardware controller. Alternatively, you can try another controller to check if the drives are recognized.
This step may not be feasible to many as hardware controllers are not cheap. Follow these steps to rebuild your RAID array and recover or backup your inaccessible data,. Select an external HDD or internal hard drive volume with enough storage space to save recovered data.
Once you have recovered your data, go ahead and format the RAID disks. This will have to be completed on an alternate system. Once the files are extracted, proceed with the installation of Windows as normal. The USB with drivers will also need to be plugged into the system in order to install the drivers. On the left hand side of the screen, select the option to load driver.
Windows should detect the correct driver. Select Next. There are instances where the folder which holds the driver will need to be opened. What does a RAID controller do? They virtualize drives into different groups with specific data protection and redundancy features.
The front-end interface typically communicates with the server through a host-based adapter HBA. The RAID controller is not a storage controller. The advantages are as follows:. In some scenarios, you can also use the software mentioned above to get a better insight into the hard drive. This method is the shortest and simplest of them all. In this method, there are a few steps you need to follow and get rid of the problem. If you witness any changes in the BIOS due to any update or corruption, you need to revert those as soon as possible.
If you see no change then you can also update or downgrade your BIOS to make the Raid detect your hard drive. The thing that you need to keep in mind is that downgrading your BIOS may not be a good idea. Downgrading the BIOS can be fatal for the system as it can brick your laptop or pc.
If the downgrade process is failed in between due to any reason, then your system BIOS may be corrupted. This is the last method you can try to detect your hard drives. In this method, you finally need to replace or try another Raid controller. You can only proceed in this method if your Raid array is external or network connected.
If yes, then try replacing the hardware controller. In other words, you can just try another controller to check if your hard drives are detectable or recognized. This method might not be for everyone, as the hardware controllers are not too cheap for everyone to buy. So, if you can afford, then only perform this method. The more expensive this method is, the more effective it is. If not, then just try the above methods again properly, they might give you relief by detecting your hard drive by trying again and again properly.
A Raid controller detection works efficiently only when there are defined parameters for it. Otherwise, if any of the predefined settings conflicts or changes due to BIOS misconfiguration, damage or corruption can lead to the poor working of the Raid controller, which finally results in undetectable hard drives by the Raid controller. Apart from this logical and physical error can also interrupt the working of the Raid controller. The purpose of mentioning the causes is to make you vigilant in the future for any casualty.
Furthermore, this guide has mentioned all the possible solutions to the problem of the Raid controller not detecting the hard drives. All you need to do is to focus on the method which is most adjustable in your case.
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