What type of wifi device are you using?.. (Model and chipset)

Open up a terminal and issue these commands and post output:
1. xrandr
2. lspci -v ---> look for the VGA section and post output for VGA.

You might try issuing a higher resolution but we...

Once you login to BT5, open up a terminal and start networking services: /etc/init.d/wicd start

Then try to connect again.

Every succsessfull conection is saved by network-manager under a file, so the next time you try to connect to the same AP, it knows all about the conection. That is why...Check here and see:...

Read the whole post...If your wifi Device is the same, do as posted by crasher.

You need to reinstall, and please, do not upgrade in KDE version..By the way, BT5r3 Gnome does not have that issue.

I'm quite sure some dependencies were broken due to the upgrade.

Sorry.
...

You need to be in managed mode to connect to AP, check that issuing this:
iwconfig wlan0

Check if in Managed Mode...if not, do this:
ifconfig wlan0 down
macchanger --mac 00:11:22:33:44:55 wlan0...

I will assume it was a bad USB Memory Flash, after all.

Good thing you fix your issue.

Luck.

Are you using an Atheros based wifi?...Let me know..Post wifi device and chipset...

post output of : lspci -v

Look for the wifi device and see what module was loaded by kernel.

Also check the module: lsmod | grep -i ath --------> and see if it was loaded. It should show the...

If you have intel graphics card, it depends. Not all intel graphics card will work as stated here. The Ivy bridge 3rd Gen will not work defenetly.

The Intel Second gen, it depends on the...

First, sT is a default, so no need to state it, just do:
nmap -A -T4 -v 10.0.1.12

Try this: nmap -A -T5 -p- -PN 10.0.1.12

It will scan not only the 1024 ports and some high ports listed in the...

I totally agree with you. I migrated from Ubuntu Karmic to Debian testing about 9 months ago, and ever since I know why Debian is the base for all others distros. Will never change distro and kali is...

Would you please post your setup (ethernet cards and networks)?

Well, let me quote:
" i just installed 5 r3 beside ubuntu 12.10 and it has given me 7 entries most of which i will never use"...Here you can get rid of them, remember that every time there is a...

The kernel is the interface between the hardware and software..

The bios has a temperature shut-off control that you can set up, but I does not mean BIOS has STILL the capability AFTER booting to...

When you have used the maximum partitions allowed (by bios is 4), you need indeed to erase one and create two, the EXT4 filesystem partition and the swap partition.

The thing here is that you need...

You had dual boot: mint and BT...So far so good..

Now you want to use BT as your main OS?..Is that correct?

Did you delete the 2 paritions or still have dual boot?

You could have done the...

You will break dependencies in packages versions and totally break BT5 as stated by Sickness...

BT5 is BASED on Ubuntu 10.04, but it is not Ubuntu 10.04 as such...

Ubuntu is Based on Debian,...

Do you have HDD installation?

We could try some things.

have you tried in another PC? Same thing? You might want to try it..

Please, post sensible info, that is very important...

Would you please explain how did you install private driver?...Did you install the headers before installing?

The log is telling that nvidia module was not loaded. Did you upgrade the kernel? ...

What version it is?..The wifi has 4 revisions and not all 4 are supported by linux.

Also Post : lsusb | grep -i network ----> and ----> lsmod

Luck.

Have you tried wireshark?

Also see iptables: man iptables

iptables is the tool for firewalls in Linux...Read iptables, I've read it and it might help you...

Luck.

VM? USB? HDD install?...Using fglrx or open driver?...Post the file xorg.0.log (/var/log/xorg.0.log)

Luck.

There seems to be a bug in the BT5 r3 kernel, i915 module and Ivy Bridge Technology (Intel 3rd Gen). The fix is as stated by tr00ner: install the Kernel version: 3.2.15, not another one, it has to...