Why Can't I Use The Euro (€) Symbol In My Ssd Password?

Your password is a sequence of "Scancodes" (signals sent by the keyboard hardware) rather than actual characters.

Some tools let you bypass the restriction (e.g., hdparm --user-master u --security-set-pass € on Linux). The drive stores the UTF-8 bytes. Later, at boot, your BIOS sends a (maybe just 0x80 from AltGr+E). Drive rejects → You’re locked out permanently . why can't i use the euro (€) symbol in my ssd password?

An SSD password isn’t like a file password. It’s stored in the drive’s or in a protected area of NAND. When you power on the PC: Your password is a sequence of "Scancodes" (signals

Most firmware avoids the complexity and simply at input time. Later, at boot, your BIOS sends a (maybe

If you really want a strong SSD password, use a long random string of ASCII printable characters. Save the euro symbol for your bank PIN or your encrypted disk volume inside the OS — where Unicode is fully supported.

Even if the system allows you to set the password using € , you are taking a massive risk. The system might record the password using one character encoding method, but attempt to unlock it using a different one during boot.

To ensure maximum compatibility and safety, follow these rules for hardware-level SSD passwords: