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If you’ve recently replaced the hard drive in your Samsung MultiXpress SL-X4220RX and your device is now stuck in System Recovery mode, showing an error message like “Hard Disk Partition Error / Hidden partition cannot be mounted,” don’t worry—you’re not alone. This situation usually happens because the new hard drive isn’t properly configured or lacks the necessary firmware or system files to work correctly.
First, you can access the System Recovery menu, where options like HDD Format, Hidden Partition, USB, and Network are available. This is good because it means your device is recognizing the hardware, but it’s missing the essential system files needed to boot up properly.
The main issue here is that you don’t have the official firmware or system recovery package to reinstall the operating system onto the new hard drive. Official download links from HP or Samsung may no longer be available online, making it tricky to find the right files.
So, what can you do? The best course of action is to seek out the official firmware or system recovery files from trusted sources. Usually, contacting the manufacturer’s support team or authorized service providers will help you get the correct files and instructions. Some technicians or experts specialized in device repairs might also be able to assist you through private messages or direct contact.
In the meantime, I recommend not trying to format or modify the drive further, as you might risk losing data or making the issue worse. Instead, reach out to official support channels or trusted repair experts who can provide the appropriate firmware and step-by-step guidance to reinstall the system properly. This way, your device will be restored to normal operation without additional problems.



