Mirage 6678 User Manual page 227

Problem
You forget the boot password.
If you choose to set a boot password, NEVER forget your password. The consequences of this could be serious. If you cannot
remember your boot password you must contact your vendor and you may lose all of the information on your hard disk.
The sound cannot be heard or the volume
is very low.
The CD/DVD cannot be read.
The CD/DVD tray will not open when
there is a disc in the tray.
The DVD regional codes can no longer
be changed.
Unwelcome numbers appear
typing.
If you forget the password, you may have to discharge the battery of the CMOS.
Contact your service representative for help.

Password Warning
The volume might be set too low. Check the volume control in the Volume
Control Panel in the Windows notification area, or use the key combination Fn
+ F5 and F6 (see "Function/Hot Key Indicators" on page 1 -
The CD/DVD is dirty. Clean it with a CD/DVD cleaner kit.
The CD/DVD is not correctly placed in the tray. Gently try to remove the disc
using the eject hole (see
The code has been changed the maximum 5 times. See
Codes" on page 2 -
when Num Lock is turned ON (see
Possible Cause - Solution
"Loading Discs" on page 2 -
5.
"Function/Hot Key Indicators" on page 1 -
Problems and Possible Solutions 8 - 9
Troubleshooting
13) to adjust.
3).
"DVD Regional
13).
8