| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent an operating system unintended by a user from being started. <P>SOLUTION: A computer device 10 has a first connection determination part for determining whether a second external storage device 30 is connected, a first confirmation part for confirming the validity of authentication data 31 in the second external storage device 30 when the connection of the second external storage device 30 is determined, a second confirmation part for confirming the validity of authentication data 22 in a first external storage device 20 when the validity of the authentication data 31 is confirmed, a second connection determination part for determining whether the second external storage device 30 is connected when the validity of the authentication data 22 is confirmed, and an external OS starting part for starting an operating system of the first external storage device 20 when it is not determined that the second external storage device 30 is connected. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
