Ubuntu 14.04. Lost wired connection and will not connect wireless, lost nm-applet and laptop will not shut down, now lost cd rom connection

Question

I have been using Ubuntu 10.04 for a couple of years and I am new to Ubuntu terminal.

I performed my first Ubuntu OS installation a couple of weeks. 14.04

It is now my 4th installation because while I have fixed one thing, I have broken another.

First I was not able to connect to my wireless access point.

Now I cannot connect using a wired, or a wireless connection. I also managed to lose the nm-applet, and my laptop will not shut down unless I hold down the power key.

I was able to establish a connection using an wireless external USB. I also have access to a desktop to perform all checks.

I am loving the learning curve and Ubuntu, however now require some help to see what I have done as I have spent endless nights troubleshooting with no success.

My laptop is a HP dv6700 running Ubuntu 14.04.

Just to add after performing an upgrade I have also lost my cd rom. So I cant even do a re install. My start up disk creator doesn't seem to be functioning either.

I am not giving up. PLEASE HELP

Please run the script is in the accepted answer in the link below so we may see the information needed to help diagnose the issue. http://askubuntu.com/questions/425155/my-wireless-wifi-connection-does-not-work-what-can-i-do — Wild Man, Jun 16 '14 at 15:00
I am new to Ubuntu and am not sure what you mean by run the scrip.Do you mean to run a certain command in the terminal and then post the results here? — user285854, Jun 18 '14 at 12:40
Yes click on the link in my previous comment and then read the directions in the accepted answer of that post. — Wild Man, Jun 18 '14 at 14:05
computer@computer-HP-Pavilion-dv6700-Notebook-PC:~$ sudo rfkill list [sudo] password for computer: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no — user285854, Jun 19 '14 at 04:36
Hi Thanks for your response. Have I done the correct thing by posting some results above including the link. Please let me know if this is what you wanted me to do. Help appreciated — user285854, Jun 19 '14 at 05:15

Ubuntu 14.04. Lost wired connection and will not connect wireless, lost nm-applet and laptop will not shut down, now lost cd rom connection

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