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no internet connection

Discussion in 'PC hardware help' started by whiskey99, Jan 26, 2015.

  1. whiskey99

    whiskey99 Regular member

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    HI,This the problem i have with my PC i can not connection to the internet did a diagnostics and it said no DNS
    connection could i have disconnected the DNS by mistake and not aware of it.
    The PC has WIN7 installed on it i am on another PC right now and can i use the safemode to fix this problem,thanks
    I found on local connections a box with what is used on this PC and one of them said it was
    AVAST FIREWALL DRIVER could this be why i can not connect to internet because i have
    M/S firewall turned on so does this mean i have two firewalls running at same time which i understand is not good way to go.
     
    Last edited: Jan 26, 2015
  2. 2oldGeek

    2oldGeek Active member

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    Hi whiskey,

    If you have 2 firewalls running, turn off one of them, then try this and see if it gets your internet going:

    Press the "Windows key", at left bottom of keyboard between CTRL & ALT, plus the "R" key to open the run box. Then type in cmd.exe and click OK. When the black cmd box opens, type in:
    ipconfig /flushdns and press enter.. there's a space between the g and /

    2oG
     
  3. whiskey99

    whiskey99 Regular member

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    HI,2oldGeek, I went back to other PC clicked on F/F in task bar and PC hooked up the internet,but i think i should go into AVAST and turn off their firewall unless you think AVAST has a better firewall system,thanks
     
  4. ddp

    ddp Moderator Staff Member

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    free avast or paid avast because if paid then use the avast firewall?
     
  5. 2oldGeek

    2oldGeek Active member

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    If you paid for the Avast then use it and turn off the Win 7 Firewall....... Either will work fine but only run one of them :)
     
  6. 2oldGeek

    2oldGeek Active member

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    ddp, Avast Free dosen't have a firewall :rolleyes:
     
  7. ddp

    ddp Moderator Staff Member

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    I didn't think so which is why I said paid version.
     
  8. 2oldGeek

    2oldGeek Active member

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    but that's what I said.... you're being redundant.. :p
     
  9. ddp

    ddp Moderator Staff Member

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    nope as just clarifying.
     
  10. 2oldGeek

    2oldGeek Active member

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    That's what you do to BUTTER!
     
  11. ddp

    ddp Moderator Staff Member

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    I use that on my cheese & tomato sandwiches
     
  12. 2oldGeek

    2oldGeek Active member

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    Good Stuff.... add a little Basil. really good stuff :)
     
  13. whiskey99

    whiskey99 Regular member

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    thank you.
     
  14. whiskey99

    whiskey99 Regular member

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    HI,I am back i thought i had problem fixed silly me,went in to safe mode ran system restore back 10 days and PC still will
    not connect to internet it appears that there is a disconnect to internet the only thing that made since to me was a mention of a DNS driver or server that was keeping PC from connecting to internet.
    The only good thing that has come from this i am learning how to use safe mode.
    If push comes to shove will i have to re-install WIN7 and if i do how much of whats on PC right now will i lose by doing so,thanks
     
  15. 2oldGeek

    2oldGeek Active member

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    Dld you ever try this???
    Do it and see if you get your internet back:

    Press the "Windows key", at left bottom of keyboard between CTRL & ALT, plus the "R" key to open the run box. Then type in cmd.exe and click OK. When the black cmd box opens, type in:
    ipconfig /flushdns and press enter.. there's a space between the g and /
     
  16. whiskey99

    whiskey99 Regular member

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    HI,2oldGeek,I tried what you suggested no go,then i remembered that we had 3 power failures one after another within a
    few minutes of each other.
    I took my PC up to my sons internet connection and still would not work,the only reason i am even messing with this PC IS to find out may be wrong with it so if i run across a problem like this again i may be able to fix it.
    Right now i am looking for a kit with out HDD&OS as i have a new SEAGATE 1TB HDD&WIN 7 OS installed i no reason why i should not be able to use what i got installed now,also i could upgrade to DDR3 & better GPU & usb3.
    WALLY WORLD & TIGERDIRECT have DIY kits reasonably priced less the OS 7 & HDD any thoughts on this would be appreciated,thanks
     
  17. 2oldGeek

    2oldGeek Active member

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    Hi whiskey, sounds like you have a little problem there :(

    I'm not very good at diagnosing problems like this via long distance, I can do OK when I have it in front of me. :rolleyes:

    Sounds like you may have blown an Ethernet chip in the motherboard. I had that problem with some Gigabyte Mobos and had to bypass the internal chip and install a PCI Network card...
    About the only way I know to check that is to install a network card and see if it works. :p

    As far as DIY kits, I've never used one. I buy the parts I need for a build at Newegg or Tigerdirect and glue them all together, HeHe
     
  18. whiskey99

    whiskey99 Regular member

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    HI,2oldGeek,I ordered a ethernet from TIGERDIRECT should be here in about 10 days will cost about $16.00 if i can send you a SPEECY image of my PC it will try to give you a better idea what i have PC wise.
     
  19. ddp

    ddp Moderator Staff Member

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    go ahead.
     
  20. 2oldGeek

    2oldGeek Active member

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    Ethernet cards are fairly cheap and I usually have one around to check a customers puter...
    If that is the problem, then it's cheaper than replacing the Mobo....

    don't know if Speccy will show anything helpful but, fire at will..... Hey, Will, duck!!!
     

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