This should disable the password on the hard drive and allow you to boot without needing a password next time.Command hdparm -user-master m -security-disable PASS /dev/sda.This time the drive showed 'not locked' ( at which I hesitantly rejoiced) Command hdparm -I /dev/sda again ( -I is capital i ).found this password in the links listed above.

PASS = for me, typing 'WDC' ten times, with a finishing 'W'.Command hdparm -user-master m -security-unlock PASS /dev/sda.Command hdparm -I /dev/sda to check if drive was 'locked' ( -I is capital i ).Booted into CentOS7 CLI ( previously installed yum install hdparm).Used ESCAPE to cancel Bios HD password request.How to remove password from your hard disk.Here are two locations, (replaced with Web Archive versions to avoid link rot) Maybe this will help you too.įirst off, I found a list of master passwords for various brands of drives. After piecing together tips from all over Google, I was able to get a master password, research the commands of hdparm, and use your example in your original question to resolve my issue. I was able to get this to work on my Western Digital WD20EURS. I'm wondering if there is any other way to unlock this SSD disk and remove the password? Issuing SECURITY_UNLOCK command, password='123456', user=user When use the security unlock command on this disk, the results are as below: hdparm -user-master u -security-unlock 123456 /dev/sda Logical Unit WWN Device Identifier: 50011731001636dcĪs you can see, the disk is in the security locked state, and it doesn't support hdparm security mode feature. Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0Ģmin for SECURITY ERASE UNIT. With 'hdparm -I', the disk information looks interesting as below: hdparm -I /dev/sda so I tried to erase the ATA security with the hdparm command. I have an SSD disk with password protection, but the password was lost long time ago.

Unlock wd my passport on ubuntu