How do i fix the lag on my computer with internet and video?

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hi, so about 2 weeks ago i accidentally messed up my dns code for my internet and it took a little bit of time but i manage to fix it BUT now my internet is very laggy especially with my video and it's begun to get very frustrating because i basically use my computer to watch TV

my computer is a toshiba but

hi, so about 2 weeks ago i accidentally messed up my dns code for my internet and it took a little bit of time but i manage to fix it BUT now my internet is very laggy especially with my video and it's begun to get very frustrating because i basically use my computer to watch TV

my computer is a toshiba but idk how to check anything of use so if you could provide me with a list of what you need to know along with how to check those things i can provide the necessary information

Other answer:

josh:
Changing DNS settings will not make much difference especially when you are streaming video. It affects the speed at which you make the connection to the site, but once you start streaming the video, then the DNS settings are not used any further.

Assuming you are using a standard home router, and you have not changed any settings in the router, and you do not have any special network configuration in your home, which seems unlikely from what you have said, then automatic address settings are probably the best option.

Open Network and Sharing Center and click on the specific network (Ethernet or WiFi). Next in the network status window, click on Properties. Scroll down the list of items to TCP/IPv4. Highlight it and open its properties. Make sure the address setting and the DNS server settings are both set to automatic.

If the computer is using WiFi, rather than Ethernet, the next step is to try changing the wireless channel that the router is configured to use. If that does not resolve the issue, check out what happens when you connect the computer by Ethernet

Also run a full virus and malware scan with up to date scanners.

Open Task Manager and see if there are any processes taking large amounts of CPU time.

There are other possibilities, and the next step is to try using a different computer with an Ethernet connection to your router. This should give you an indication as to whether the problem is with the computer or the router/ISP connection.

Whenever you change any settings, make sure you keep a record of the previous settings in case you wish to go back.

I hope this helps.

Warick:
The only "DNS code" you'd be able to affect at your skill level is the address of the DNS server. Make sure you're using the settings suggested by your ISP, some public ones out there will work but they're slow because a lot of people use them. This doesn't usually affect video but rather the internet connection as a whole. I assume that if you play a video file saved on the computer then all is well, it's likely the issue is your connectivity and thus you have issues with streaming video.

I recommend the following applications, they're pretty safe for novice users but as always use them at your own risk.

1) ccleaner – it gets rid of the crap on the computer that builds up an if your computer is having to clear temp files to make room, you'll slow down.
2) malwarebytes Anti-malware, SuperAntiSpyware, SpyBot Search & Destroy – These are all pretty decent spyware and malware removal applications, using a combination of these can find malware that others might overlook.
3) TCPoptimizer – Make sure you get it off of Speedguide.net. You don't want old versions and it's free, don't pay for it. Set it to around 10mb or so, tell it to adjust all network adapters and then choose optimal setting. This will help as well.
4) Defraggler – Defragment the drive. It's a lot better than the default windows one and can help a lot.

and of course, power cycle the cable modem or whatever you have. Sometimes it's the easy fix that is the best fix.

Not A Single Time:
Use the following Open Source DNS servers:
IPv4
208.67.222.222 208.67.220.220
208.67.222.220 208.67.220.222
IPv6
2620:0:ccc::2 2620:0:ccd::2

Then uninstall and reinstall your browser.

Kevy:
How did you mess up your DNS code?

Through Registry (system wide) or application?

Aerialnine:
What does your ISP want??….ask them…go to their web site…

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