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help my internet is not working

post #1 of 10
Thread Starter 
I have a DS3 Cable Modem with speeds @ 50/5 its worked fine up until tonight, all of the sudden the internet is not working on my desktop which is wired directly to the modem, but the Modem which also serves as a wireless router, still works fine, my laptop connects to the wifi with no problems. but when i trouble shoot the internet with my desktop it tells me the DNS look up failed. any ideas why this is happening?
 
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post #2 of 10
Quote:
Originally Posted by iPDrop View Post

I have a DS3 Cable Modem with speeds @ 50/5 its worked fine up until tonight, all of the sudden the internet is not working on my desktop which is wired directly to the modem, but the Modem which also serves as a wireless router, still works fine, my laptop connects to the wifi with no problems. but when i trouble shoot the internet with my desktop it tells me the DNS look up failed. any ideas why this is happening?

If you go to the address 173.194.32.36 in your browser on your desktop do you get to the google website?
post #3 of 10
Try changing your DNS to Google DNS 8.8.8.8 and 8.8.4.4

Video example if you don't know how it's done:
post #4 of 10
Thread Starter 
update: my internet decided i had payed for what ever i did wrong and started working again
 
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post #5 of 10
restart router modem?
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post #6 of 10
Usually in those situations see if you can ping 8.8.8.8
That will tell you if it's actually a DNS issue or if your connection is dead to the WAN.

Windows can't really tell the difference, it simply does a DNS lookup and when that fails, will potentially erroneously indicate that DNS is nonfunctional. While that technically may be true given the situation it would be more of an effect than a cause.
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post #7 of 10
command prompt (in admin)

ipconfig /release
ipconfig /flushdns
netsh int ip reset reset.txt
netsh winsock reset reset.txt
ipconfig /registerdns
ipconfig /renew

This clears out all the TCP/IP settings and refreshes the adapter. Just for future reference.
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post #8 of 10
love ppl who read first post then reply without reading others lol

/thread
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post #9 of 10
People also search forums for previous answers so any additional information to them is helpful, similar to a KB. I read all the posts. If you finished reading my post you can see I said, "Just for future reference."
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post #10 of 10
Thread Starter 
I dont know it started working again, then it stopped working the next night around the same time...
 
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Hard DriveHard DriveCoolingMonitor
Samsung 850 EVO Seagate Corsair H60 ASUS VG248QE 
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ASUS PB277Q  CMStorm Ultimate Quickfire Rosewill PHOTON DIYPC MicroATX 
MouseMouse Pad
Razer Deathadder 2013 GLORIOUS XL 
CPUGraphicsRAMHard Drive
Intel Core i7-4710MQ  Nvidia Quadro K2100M 8GB (2x4GB) 1600MHz DDR3L 1TB 2.5inch Serial ATA (5,400 Rpm) Hard Drive 
Optical DriveOSMonitorKeyboard
8X DVD-ROM Tray Load Windows 8.1 Pro, 64-bit English Crossover 27'' 2560x1440 60Hz Internal English Backlit Dual Pointing Keyboard 
PowerCase
180W AC Adapter Dell Precision M4800 
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AMD A4-3300 Llano GIGABYTE GA-A75M-D2H  AMD Radeon HD 6410D Crucial Ballistix Sport 
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