Why can't my mac enter safe mode?

To start in Safe Mode ("Safe Start"), press.

Please do the following: Please make sure the Mac is turned off. Press the power button. Press and hold the Shift key immediately after hearing the startup sound. Should be in

After hearing the startup sound (instead of before hearing the startup sound)

Hold down the Shift key as soon as possible. When you see the gray apple icon and the progress indicator (see

Sounds like a rotating gear), release the Shift key. During the startup of Mac OS X v 10.4 or later,

You will see "Safe Boot" in the login window, even if

If it is a normal automatic login, it will also be displayed. In Mike OS X v

During the startup from 10.2 to v 10.3.9, you will be in MAC O.

See "Safe Boot" on the S X boot screen. To exit safe mode, please restart in the normal way.

Move the computer, don't hold down any keys when starting.