Problem getting wireless device operating

I have a HP Compaq Presario V6204au and it was communicating with my netcomm router for nearly 12 months. Then suddenly it stopped and have been trying to get it to work. I have no idea what type of wireless adapter is installed. I have also tried fixing using the recovery program to no avail. I thi nk it is time to get outside assistance.
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Regardless of what type of adapter it has in it, are you able to connect to other WiFi networks if you take it to a hotspot in another location?
If so, the problem is most-likely in the router, not in the laptop.

If it won't talk to ANY wireless router/access points, you may have accidentally toggled the wireless card 'off' (disabled, et cetera).
Garry888Author Commented:
I have 3 other wireless laptops connecting to router and a desktop wired to router. Only one wireless can't connect to router. In the Network and sharing center, where the wireless information appears, it comes up as "Not Connected". Also a big red cross appears between the computer and internet in the diagram.

In the device manager I have Bluetooth device (PAN), Bluetooth Device (RFCOMM Protocol TDI) and NVIDIA nForce Networking controller.  In bluetooth Radios I have HP integrated Bluetooth module and Microsoft Bluetooth Enumerator. All the drivers seem to be functioning and up to date.

I have also run Recovery Manager on all the hardware and software that I may have thought to have been affected. Also in the recovery I noticed that there was a driver for Broadcom 802.11 Network Adapter and two Broadcom Wireless Lan drivers - Vista. I don't know where they fit in but they don't appear in the Device Manager.

I don't know what i've done to get in this state, but I hope I just accidentally toggled the wireless card off. I have tried numerous things to try and turn on. I may have missed something or changed things in wrong order.

At present I am thinking of saving all my user files and other junk and doing a system recovery to bring back to original settings.

If you have any suggestions. Would be very much appreciated.
Garry888Author Commented:
Also I have looked at the netsh and ipconfig utilities but to scared to do anything there.
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In Device Manager the wireless card should show up under Network adapters.
That's where the Broadcom 802.11 should be...  nothing shows up there?
How about an ethernet adapter there?
Garry888Author Commented:
Local Area Connection is NVIDIA nForce Networking Controller
Bluetooth Network Connection is Bluetooth Device (Personal Area Network)

I know nothing about bluetooth stuff.

If I knew what the wireless device is (without pulling the laptop apart) it would be fine. But I am not sure if bluetooth is what is used to communicate with the router. Is there a way to see what is installed?

In the device manager I have uninstalled the network adapters one at a time but they keep reinstalling. Is that a sign that they are required?

It's probably not talking to the router with bluetooth.
It should be talking to the router with 802.11 (A, B, G or B/G)...  the Broadcom 802.11 card the driver was for should be the wireless card, and it should be listed under Network adapters in Device Manager.  The network adapters aren't being reinstalled after removal because they're required, but rather because the OS is detecting them (which means they're also probably working; if they were 'dead' the OS probably wouldn't see them).

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