External Adapter Can Connect To Wifi But Laptop Can't

May 4, 2012

I've been having a problem with my wifi for a month or so. I used to connect well to my wifi, but then one day my laptop just can't connect to it anymore. It says "windows was unable to connect to" or something similar to that.But what's strange is, I have an external wifi adapter (Tenda 802.11n, it looks like an USB flash drive). I use this adapter to connect to Wifi with the very same password, and it can connect perfectly. Signal strength is around the same level.I tried using windows troubleshooter, didn't work. I borrowed my friend's laptop (which is very modern, and have windows 7 - mine has windows XP), but the same problem exists: the laptop can't connect, but the adapter can.I also tried to export the wifi settings to an USB flash drive (using windows 7's function), and installed it on the laptops. Didn't work. [code]

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May 26, 2013

I'm trying to set up a personal ssh server on Lubuntu 13.04, but I've been having a few problems.

So far i've accomplished this:

I can connect locally, through my internal IP address, I can ping myself through my external IP address through an external internet source(Mobile phone hotspot + Different computer)I have a free dynDNS running, so that I don't have to type my external IP address.It works (if i connect to that IP locally, it forwards to my router)I set up port forwarding in my router, temporarily disabled my personal and the router's firewall too.

The problem I have is that I cannot connect through ssh from a different computer outside my network: The usual response that I get is "Error.. [etc] No route to Host".

I tried using the 'canyouseeme.org' service, and the response is the same.

I use an Internet Service Provider called iiNet, and apparently they have some per-account port blocking features, which I have also disabled from their site.I am running short on resources. DMZ does not work either, default port (22) does not work, custom port does not work either (9222, 9512 or 12222).

So I'm guessing it's either a router fault, or a fault on the ISP's customer-level firewall.


I'm connected using a Edimax 7811-nu adapter (Default driver doesn't work, had to install a fixed one)

I'm using a BoBlite Router and the firmware version is BoBLite1500.

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Jun 26, 2012

I can connect with my phone and use the browser as usual. On my laptop it won't connect when using windows 7 while in ubuntu it will connect, but with no internet.

How can I get internet on my laptop ? It's a public wifi hotspot. I can connect with no issues at home.

My network adapter is: Atheros AR5B97. And my phone is an iPhone 3G.

The wizard's of no use since it asks me to check the router, which I can't since it's a public hostspot.

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Jan 17, 2013

So I just got this[URL] Etekcity 1000mW 802.11 B/G Long range High Power USB Wireless WiFi Network Adapter with 6dBi Antenna RTL8187L Chipset: Computers & Accessories[/url] I installed the driver on my windows XP then restart the computer.. However, when I try connnecting to my network the first thing it does is start connecting... it dosnt ask for the password. After attempting to connect, nothing happens. So, I set up my own network, type in the SSID and type in the password and its confirmation. It still wont connect I tried re-installing and repairing and nothing will happen..So I test it on my macbook pro and everything works fine.PS my windows XP cannot get internet at all so I cant download anything nor do I have a USB?

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Dec 11, 2011

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FYI I use the same wifi connection on my netbook and android, and they are working fine, so it's definitely not a problem with the ISP.


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Dec 22, 2012

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Oct 6, 2011

ok here it goes. I have a hp tx2000 laptop using vista with a alfa awuso36h usb adapter to connect to the internet. Ok heres the problem i was using this setup to connect to my neighbores wireless internet with no problems for about 2 weeks(yes they know and are fine with me using it). But within the past week (actually all of a sudden it wont work) my program that came with the adapter shows alot of networks with full signals but when i connect to any of them it shows connected but wont actually bring up the internet. When i click on i.e. It says i.e. Cannot display the webpage. And if it actually does take me to google it will disconnect for no reason and reconnect to a random network thats available. my neighbors connection i was using just all of a sudden quit working and if i try to connect to it , it says cannot connect to frontier87. Also the other networks that show up sometimes will say the settings saved on this computer for this network dont match the requirements of the network, but sometimes the same network will connect but wont actually bring up the internet. I guess i just want to know what has changed to make me not be able to use a network that worked fine for me last week.

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I have a TP-Link TL-WN723 USB WiFi adapter attached to my laptop, which runs WinXP Service Pack 3. It successfully detdcts the WiFi provided by my Edimax BR62-04Wg router, but when I try to connect, it cannot obtain an IP address and cannot connect to the network.

- The very same WiFi adapter can connect to other routers without any problem
- Any other device can connect to the very same network provided by my router without any problem
- Using the WiFi adapter with other computers does not work

Thus, it seems that the problem is somewhere between this specific router and WiFi adapter. Here is an interesting detail though:If I try connecting to my WiFi while a LAN cable from the router is plugged into my computer, the wireless connection establishes too. Even if I later unplug the LAN cable, the wireless connection continues to work. But it won't establish the connection without the cable plugged in.Here's what I've already know/tried:

- Rebooting the PC
- Re-installing the WiFi adapter's drivers
- All drivers and firmwares are the newest available
- Re-starting and reconfiguring the router
- Using the Windows client for wireless networking and the client included on the WiFi adapter's CD
- Changing the router's connection type to any available option: Access Point, Station Ad-hoc, AP Bridge WDS

None of these had any effect except for one:

- When I changed the router's connection type to Station Ad-hoc, I could connect wirelessly even without the LAN cable plugged in, and I had Internet access. However, in this case, other devices, such as smartphones could not detect the WiFi connection.

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I have a Dell Windows 7 Ultimate (32-bit) laptop that I've had for maybe half a month. When I first got it, I had no problems connecting to my router. But starting a couple days ago, the WiFi would not connect properly. I have to use the troubleshoot feature a couple times on my computer for it to work. My other laptops and other devices have no problems connecting to my network.

Here is the ipconfig for when it does work: Quote:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
Windows IP Configuration


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I am attempting to connect to a residential wireless network on a router that was installed up by an engineer this morning.When the engineer was here he connected an HP laptop using XP to the wireless router. At first there was an issue with the connection (seemingly the same error message I am getting now), he did something to the wireless settings on the laptop, which stupidly I didn't see, and it successfully connected.When I attempted to connect my laptop to the same wireless router I got the same error message:'Connection Unsuccessful'.I clicked Diagnose Problem and got this: 'This computer has got limited or no connectivity'.I first selected the 'Automatically get new IP settings for the network adapter' but this didn't solve the problem. I then viewed the Wireless Network Security Settings and as far as I can see they are identical to those on the HP laptop that has successfully connected: [code] I then connected my laptop to the router using the ADSL cable and was able to connect to the internet, but I am still unable to get a wireless connection. When I view the wireless connections I am 'Connected With Limited Access'.

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