i'm having a problem with when i command su i put pass in and it says authenticion failure i'm trying to install ndiswrapper and i'm following a youtube video how too (ps) i'm a new user so what do i do

Ubuntu comes with sudo, su is not active. More or less is sudo -i used instead of -su.
So it's: sudo apt-get install.........
To navigate with "sudo" permission in nautilus: gksudo nautilus. After that please close nautilus!!

thank very much that helped i'll post again if i have more problems but i will close this one

ok i found out my stuff for the wireless i use the stuff u said to it worked to a piont and after the gksudo nautilus thing i get to the root - file browser

here a copy of what i see

nathan@nathan-laptop:~$ sudo -i
root@nathan-laptop:~# lspci
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 1 (rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI Express Port 4 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 03)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d3)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) IDE Controller (rev 03)
02:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
02:03.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
root@nathan-laptop:~# lspci -n
00:00.0 0600: 8086:2590 (rev 03)
00:02.0 0300: 8086:2592 (rev 03)
00:02.1 0380: 8086:2792 (rev 03)
00:1b.0 0403: 8086:2668 (rev 03)
00:1c.0 0604: 8086:2660 (rev 03)
00:1c.3 0604: 8086:2666 (rev 03)
00:1d.0 0c03: 8086:2658 (rev 03)
00:1d.1 0c03: 8086:2659 (rev 03)
00:1d.2 0c03: 8086:265a (rev 03)
00:1d.3 0c03: 8086:265b (rev 03)
00:1d.7 0c03: 8086:265c (rev 03)
00:1e.0 0604: 8086:2448 (rev d3)
00:1f.0 0601: 8086:2641 (rev 03)
00:1f.1 0101: 8086:266f (rev 03)
02:00.0 0200: 14e4:170c (rev 02)
02:03.0 0280: 14e4:4318 (rev 02)
root@nathan-laptop:~# sudo apt-get install
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@nathan-laptop:~# gksudo nautilus
Nautilus-Share-Message: Called "net usershare info" but it failed: 'net usershare' returned error 255: net usershare: cannot open usershare directory /var/lib/samba/usershares. Error No such file or directory
Please ask your system administrator to enable user sharing.

** (nautilus:12135): WARNING **: Unable to add monitor: Operation not supported

ok i'm going to bed for now and will check this later

NacDrummer I think it is better to ask these questions on ubuntu forums. They are very helpful there.
: http://ubuntuforums.org/

NacDrummer I think it is better to ask these questions on ubuntu forums. They are very helpful there.
: http://ubuntuforums.org/

Which version of Ubuntu are you using ?

You might well be able to use the Restriced Drivers for your wireless card if you are running Intrepid or higher.

Otherwise, this is a very good howto for ndiswrapper to work

https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx/Feisty_No-Fluff

And remember to use "sudo" before any command that requires you to have root (super user) access.
Other distributions use 'su' but on Ubuntu you have to use 'sudo' and enter your own password rather than the root (super user) password