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Sudden connection problems on 2 computers...

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Hello, it's been a while since I've had to come for help, but now I need help again (my old username here was 'anoldlady').

 

I hope I can explain my situation so it isn't too confusing....

 

We have 4 computers in our home --- 3 desktops and a laptop. Suddenly 2 of the desktops won't connect but the other desktop and the laptop still connect just fine and work fine.

 

My computer is a Dell desk top with Windows 7.

My husband's computer is a Dell desktop with Windows XP.

The spare computer is a desktop with Windows 7 (not sure of brand).

Laptop has Windows 7 and connects through Wi-Fi (I think it is also a Dell but not sure).

 

They all connected and worked just fine until 2 days ago. My husband's desktop and the spare desktop suddenly will no longer connect. My computer and the laptop still work just fine.

 

My desktop is the main computer, the one with the modem/router and adaptor box. My husband's desktop and the spare desktop connect with wall adaptors (Trendnet 200Mbps Compact Powerline AV Adapters).

 

I don't know much about fixing computers. I have run virus scans on the 2 computers that won't connect and deleted anything the scans found (I don't remember if anything was found or not, sorry.) The spare computer has a paid version of McAfee and I also downloaded and ran MBAM and Eset. I ran MBAM and Eset on my husband's desktop.

 

I have tried unplugging the wall adapters, the modem, etc. , waiting and plugging them back in but that makes no difference. I've done it seveal times.

 

All liights on the modem and wall adapters are green and seem fine.

 

On the spare desktop, I suddenly started having some windows pop up saying that Media Player wanted access (I have it set so that I have to approve things that want access). They were a pain because they were popping up frequently so I Uninstalled Media Player.

 

I'm at a loss. No idea what to do. Any help is greatly appreciated!!!

 

 

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Take the laptop over to where your husband's computer is, turn off the wireless on it and try to connect using your husband's Trendnet connection on the laptop. If it works, then do the same for the spare computer's connection.

This way you'll be able to reveal whether it is the Trendnet adapters that are not communicating, or the computers themselves.

 

:) Y

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I looked all over the laptop and there is no switch. I don't even see a wifi light. There is a light on it that I think is a power light because it is on and blinking when I plug the charger into it. And to the left of that light it looks like what might be two other lights but they are never lit up and I have no clue what they are for because the symbols next to them are too small to be able to tell what they are. It is an old Dell running Windows XP Professional.

 

What do I do now?

 

If the wall adapters were the problem, wouldn't the lights be off or blinking or 'not reen'? The lights are all a solid green, just lke they have always been.

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Go to Start> Control Panel> Network and Internet> Network and Sharing Center> Change Adapter Settings (on the left)

 

Click on your Wireless Adapter, then above it, click on: Disable this Network Device

 

Now you can check those Trendnet adapters.

 

When you are all done, just repeat the pathway and click Enable this Device to bring the wireless back up and active.

 

Even though the adapters are showing green lights, does not mean that they are transmitting properly, rather that they are getting power.

 

Worth investigating.

 

:) Y

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I apologize for not replying quickly. I am indeed an old lady and have numerous health problems that interrupt my days so please be patient and don't give up on me.. :-)

 

I tried doing as suggested (Go to Start> Control Panel> Network and Internet> Network and Sharing Center> Change Adapter Settings (on the left). Click on your Wireless Adapter, then above it, click on: Disable this Network Device) but those steps are not available on this old laptop. When I got to Network and Sharing Center, there was nothing anywhere that said Change Adapter Settings.

 

I have no idea how to find the 'Wireless adapter' on the laptop. In fact, it won't conect to the internet at all now. I must have messed something up when clicking around. And I have no idea how to set up a wireless connection (or even a reglar connection) on any computer, not just the laptop. What is a 'Network name'????

 

Are the wall adapters considered 'wireless' connections or regular connections?

 

What should I do now?

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You had said previously that Windows 7 was installed on the laptop.

 

The path given is for a Windows 7 installation: Start> Control Panel> Network and Internet> Network and Sharing Center> Change Adapter Settings (on the left)

 

Trendnet makes both wireless and wired adapters for their electric socket adapters. Is there an ethernet cord connecting the adapter to your husband's computer? If so, then this is a wired connection.

If not, then it is wireless.

 

Unplug your router and count to 10, then plug it back in. Wait for a couple of minutes and then boot up the laptop and see if it recovers your wireless connection.

 

:) Y

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I'm sorry, I should have looked at the laptop first. It has XP, not 7.

 

I guess what we have is a wired connection then. My computer is the main one. It has the modem and the 'power box'(not sure what it is called) for the wall adapters....it plugs into my computer and a wall socket. Then we have a wall adapter plugged into my husband's computer and a wall socket. And we have another wall adapter plugged into the spare computer and a wall socket. They are all in different rooms.

 

They all worked just find this way, until the other day when the spare computer and my husband's computer would no longer connect to the internet. The laptop did still connect, but doens't now because I must have messed something up.

 

I have done the unplugging of the router several times but it didn't change anything. I will try it again though.

 

If it doesn't fix the laptop, what can I do next?

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On the laptop, click Start> Run, then type: rstrui.exe

Click OK

 

Pick a restore point before the wireless stopped working and restore the laptop to that point.

 

Check that the wireless is then working.

 

:) Y

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Well.....I have no clue why or how, but the 2 desktops computers with the wall adapters are working again. They are connecting just fine.

 

But, i still don't know how to get the laptop to work with wifi again. I did the restore point thing and restored it to a much earlier setting but it still won't connect. And I have no idea how to set up a computer or a laptop to connect to the internet.

 

Question......when I look at my connection in the list of connections in the area, the green bar thing is a pale green and only goes about 2/3 across the bar. Is that normal? Or should it be a dark green and cover the whole bar box? Just curious.

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Question......when I look at my connection in the list of connections in the area, the green bar thing is a pale green and only goes about 2/3 across the bar. Is that normal? Or should it be a dark green and cover the whole bar box? Just curious.

 

That is an indicator of the wifi's signal strength to your adapter (laptop).

 

When you click on the green bars in the lower right corner, do you see your wireless network in the list?

If so, click it and then click connect.

 

:) Y

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If the green bar is a light green and only 2/3 of the way across the bar box, does that mean it is a good signal? Or should it be a dark green and fill the bar box?

 

I've been trying to connect by clicling on the wireless bars icon, but it never connects. It just tells me " This network is already configured. A profile to this network already exists. Click Back to create a profile to a different network or click Next to replace the existing profile".

 

I don't know which to do.

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Light green and 2/3 across is a decent signal.

 

When you click that icon in the lower right corner of the Task Bar, and a window comes up, does it show that you are connected to your WiFi Network?

 

It will give the name of the connection there, along with any other connections that are available.

 

Do you know the name of your wireless network?

 

What is the brand name of your router/modem? The wifi name, may, "may", have the same name.

 

:) Y

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Hello, thank you for being patient. health issues are a problem for me at times.

 

When I click that icon, my wireless network does not show up. No networks show up. Just a message about using WCZ or something like that. I have no idea what that is.

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Well, I am obviously doing something wrong....

 

The steps in that link you gave me are not exactly the way my computer looks, but I finally did manage to figure out how to find all the steps and went through the process...and it worked. The computer connected fine.

 

But, then when I went to start the computer up again, it wouldn't connect. It was exactly like it was before, even all those network connections that I had removed were showing up in the list again.

 

I don't know what is wrong......

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I've been trying and trying and trying to do this and just can't seem to get it right. My computer is a bit different than the steps in the link you gave me.

 

I can get the computer to connect by going through the steps but in a different way....I eventually found all the steps listed in the link....but then when I shut it off and start it again and try to connect...it still won't connect.

 

Obviously I'm just not doing something right. Where do I find that "Automatically connect" you mentioned? I should find it anc check it while I am connected, correct?

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