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Windows 7 Laptop strange internet connection issue


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#1 KateKy

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Posted 21 March 2014 - 09:16 PM

Hi, I'm not sure if this is in the right place... this is a new account, and I don't know much about this site. My apologies if this is in the wrong category, it's just such a unique issue that I'm not sure where it would go. Anyway, I have an Acer Aspire V5 571p laptop. I've had it for about two years, and it's been working well enough for what I need. (I'm a college student) But recently, I wasn't able to connect to my wifi at home. Nothing that I know of changed within the router or modem, and nothing has changed within the laptop (except for the connection issue) It connects just fine everywhere else. The other two computers in the house (not mine) connect just fine, they're both slightly older desktops. The other laptop that I own isn't connecting as well.

I've done all of the following:

-reset the router

-reset the modem

-restarted my computer

-made sure all the information is correct for the wireless network

-completely reset my laptop to factory default

-bought a new router

-moved the router around the house to see if I was too far away.

 

I don't know what else to do, I've talked to four different tech support professionals, and none of their advice has worked. I'm coming here as a last ditch effort. Maybe someone else has had the same problem? I'm about to give up, but I need wifi at home for school, so I don't really have that option.

 

I appreciate any advice at all.



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#2 TsVk!

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Posted 21 March 2014 - 10:30 PM

Do the machines detect the wireless network? or is it no longer visible?



#3 KateKy

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Posted 22 March 2014 - 12:48 AM

Yes, I meant to include that in the post. It "connects" but it says "no internet access".



#4 TsVk!

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Posted 22 March 2014 - 01:24 AM

Are you running a 3rd party firewall? (anything other than Windows firewall)

 

edit: and another possibility;

 

click:

 

wireless icon lower left corner> open network and sharing center> change adapter settings> right click wireless adapter>properties> highlight tcp/ipv 4> click properties button just below..... make sure ip address & dns is set to automatic.


Edited by TsVk!, 22 March 2014 - 01:47 AM.


#5 KateKy

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Posted 22 March 2014 - 01:28 AM

I think my brother installed some free anti-virus thing, I don't know if that's the same thing, though. Should I just get rid of it?



#6 TsVk!

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Posted 22 March 2014 - 01:55 AM

if that 'anti-virus thing' is running a firewall your problem could lie there...

 

edit: did you check the ipv4 settings like I suggested above?


Edited by TsVk!, 22 March 2014 - 01:56 AM.


#7 KateKy

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Posted 22 March 2014 - 05:30 AM

I did check the ipv4 settings like you said, and I also realised that when I set it back to factory settings, it got rid of whatever my brother downloaded, so there isn't any 3rd party firewall as far as I know.



#8 TsVk!

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Posted 22 March 2014 - 05:31 AM

Let me think for a day... it'll come to me.



#9 KateKy

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Posted 22 March 2014 - 04:12 PM

Alright, I appreciate the help. (:



#10 TsVk!

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Posted 22 March 2014 - 05:22 PM

Some questions and info gathering exercise.

 

is your wireless router separate from your modem? or is it one unit?

 

have you tried connecting to the router manually first? (turn router off, connect ethernet cable, turn on, wait for link and connect)

 

could you please type into the command prompt, (enter after every line)

 

ipconfig /release

ipconfig /renew

ipconfig /flushdns

 

do you get the "could not flush DNS resolver cache" message?



#11 KateKy

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Posted 22 March 2014 - 05:56 PM

My router is separate from the modem. I am going home to try connecting manually, and I typed all of that into the command prompt, and I didn't get the "could not flush DNS resolver cache" It said it successfully flushed it.



#12 TsVk!

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Posted 22 March 2014 - 05:58 PM

That's good you didn't get that error...

 

Let me know how you go after connecting with ethernet. :thumbup2:



#13 KateKy

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Posted 22 March 2014 - 07:35 PM

It's connecting to the internet fine with the ethernet cord, even though it's still has the yellow triangle over the connection bars.

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#14 TsVk!

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Posted 22 March 2014 - 07:49 PM

and when you disconnect the ethernet does the wireless now work?



#15 KateKy

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Posted 22 March 2014 - 07:51 PM

It doesn't work when I unplug it.






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