can't get the broadcom script to work (Sorry, we're N00bs)

[duckyreads]

This is what tutorial we were following: Dell Inspiron to Hackbook Pro

 

Using terminal, we've been having problems. My friend and I know we must be doing something wrong, but we're not sure what it is. This is what happens:

london-burdens-macpro31:~ londonburden$ sudo su -; chmod +x
bcm43xx_enabler.sh ;
/Users/londonburden/Documents/Dell/Broadcom-Script/bcm43xx_enabler.sh


WARNING: Improper use of the sudo command could lead to data loss or
the deletion of important system files. Please double-check your typing
whenusing sudo. Type "man sudo" for more information.


To proceed, enter your password, or type Ctrl-C to abort.


Password:

chmod: bcm43xx_enabler.sh: No such file or directory

You need to have root-privelages!

To run this script, simply type 'sudo
/Users/londonburden/Documents/Dell/Broadcom-Script/bcm43xx_enabler.sh'
and enter your password

london-burdens-macpro31:~ londonburden$

the thing is — we haven't set a password. Is this a problem? How do we set it up…? I'm really, really confused.

 

And yes, we tried typing sudo su, then enter, didn't enter a password, since we hadn't made one — and then dragged in the script and pressed enter.

 

Also on an unrelated note, sometimes when we restart, the computer doesn't show stuff on the desktop.