A company's workstation is failing to load the operating system, displaying the message 'Bootable device not found' during startup. This machine uses a mirrored set of two hard drives for redundancy purposes. On inspection, both drives are showing error LEDs. What is the best first step to take in resolving this issue?
Run a software utility to check the integrity of the drives and attempt to recover lost sectors.
Inspect and ensure that all data and power connections to the hard drives are secure.
Swap the current cables for new ones without inspecting the existing setup to determine if the cables are indeed the problem.
Format the drives to clear any corrupt partitions that may be preventing boot.
In any case wherein a system can't find the bootable device, especially when dealing with a mirrored set of drives purposed for redundancy, checking the physical connections is a fast and straightforward initial diagnosis to see if the error is related to simple issues such as loose cables. This step may quickly solve the problem since if the system can't properly communicate with the storage devices, it will not be able to boot or recognize either of them.
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