Windows 7 Windows was unable to connect to SSID

[The Progen]

So I've been using this computer to connect wirelessly to a router in another part of the house for the past few months. Then one day, I started getting this 'Windows was unable to connect to SSID' error message.

I've tried the below :-

1. Disabled and enabled the wireless adapter. No effect.
2. Switched to a wireless adapters of another brand and model. Worked for a while and then the same error message popped up.
3. Turned the router off and on. No effect.
4. Formatted and reinstalled windows. Worked for a while and then the same error message came up.
5. Tried looking for updated adapter drivers but there's only one driver on the manufacturer's website so that wasn't the cause.
6. Tried the ipconfig /release and ipconfig /renew. No effect.
7. Tried the netsh commands. No effect too.

My system had had no hardware changes at all so what could be the problem. Please help because I sure wouldn't want to spend unnecessary money buying a new router or applying for another line.

A screen capture of my ipconfig /all results is over here.

 

[patcooke]

Is your router transmitting its SSID. If not then try turning it on and you may leave it turned on - there is no particular advantage in turning it off,

 

[The Progen]

Yes, the SSID is visible but the moment I try to connect, I get that 'Windows is unable to connect ....' message. Does the log above give any clues to my problem? It's been happening for the past week and is still happening even after a fresh install of Windows 7 on the same system with no hardware changes. Could it be the router blocking me?

 

[patcooke]

Your ipconfig is showing no connection and no IP address assignment for the wireless adapter. The adapter is set to use DHCP but it would seem either no DHCP request is is being made by the adapter or none is being received by the router. Assuming the router is yours can yo do a hard reset on the router and run ipconfig again to see if there is any change?

 

[The Progen]

The funny thing is if I were to use a new wireless adapter that I had never installed before, it'll work for a while before I start getting this error message. I can also connect with other computers, smartphone and tablet without any problems so the router definitely is fine. The problem is somewhere with this desktop and Windows 7. Can't be hardware failure because it'll work fine at the full speed of the Internet connection just after installation before dropping out and then running into errors during subsequent reconnection attempts. All the above steps I've listed had no effect. Have never come across such a problem before and it sure is frustrating to the point where I applied for a 4G account but had to return it because my area was slightly outside coverage so the speed was very inconsistent.

 

[patcooke]

Do you have physical access to the router?

 

[badrobot]

Do what patcooke suggested. Do a hard reset on the router. There's probably an IP assignment issue with the router that's causing conflict between devices.