In my desktop computer I have 2 drives: 1 SSD (windows) and and 1 hdd (linux). I used to have a mechanical toggle switch to select one of them before booting (did not want to have a boot manager to choose the OS from). Now, I needed more storage and formatted the hdd as ntfs, to use it as data storage for windows. The hdd drive is now completely empty. However, if I start the computer, it won't boot to windows, but says something about "grub rescue". Then I switched the eSATA connectors of the 2 drives and voilá, windows is booting.
- Why is there a message of grub? I completely removed linux!
- Why does the order of the eSATA connectors change anything? How reliable is this, I do not trust that booting works once I changed the connectors.
- How can I make the hdd non-bootable? I can only select "primary" when formatting.