My brothers PC is affecting the internet for everything else.

riachurules1 · Feb 21, 2018

Okay, so i have had an internet problem for well over two weeks now. I haven't had internet to anything that i own. I was playing my computer and my brother came home. He turned his pc on, logged on and all of a sudden I lost internet. I didn't think at the time that it was because it was his pc, but now i am completely sure. After about two weeks of trying to fix this, calling people, and more i gave up. I turned my wii U on and decided to just play that. All was fine until my brother came home (note that i haven't played my wii U any time in the past month). He turned his PC on , logged on, and poof. There goes my internet. Now that this happened I knew pretty much for sure that this was his computers fault. I gave up for the day. The next day, i get on my ps4 to play (haven't played in well over a month like the wii U). I play for well over two hours, just like the wii U, and my brother gets home. Poof. Again RIP internet. I am 100% sure it is his pcs fault. Now, i have fine connection to IPv6 and can connect to any google websites on my PC such as youtube and facebook. IPv4 connectivity has no internet. I use wireless windows 10, he uses ethernet windows 7. I am not sure how to fix this but i've pretty much given up on life by now. People think they're strong and than they hear my story... almost three whole weeks without internet! I am a brave one, i know. Someone please help xD. One last thing. I won't be able to talk very much, becaause i am actually at school right now. I am using a laptop from here and i won't be able to communicate unless i can use my brothers computer, which i'd have to sneak onto when he isn't home which doesn't happen too often. I will try my best to respond.

smashjohn · Feb 21, 2018

I see two possibilities:

1) Your brothers PC has a virus/botnet infection that floods your Internet connection when it's on. Maybe he's running a torrent server; maybe he doesn't even know his computer is being used as a torrent server. Anyway, something on his system may be flooding the network. This would probably affect him too.

2) Your brother has the modem/router password and routinely shuts down your connections when he's home because... well.. brothers.

riachurules1 · Feb 21, 2018

I don’t see how either of these could be it. I get home before him every day anout half an hour earlier so how could he be doing the second one. If the first one would affect his internet, I assume that’s not it because his internet is fine.

sla70r · Feb 21, 2018

No, he can just shut off your access and keep his own.

smashjohn · Feb 22, 2018

when your brother isn't home, startup his computer and make sure you get it all the way to the desktop. Then check to see if your other systems can get online. This will tell you if it's his computer or not.

riachurules1 · Feb 22, 2018

But i don't even need his pc to be on at all, and i still don't have internet. I can use an ethernet cable, which i am doing now. The last time i did this, i was using it and when he turned it on i lost internet. A while after i was able to reconnect by looking up tutorials on what to change and such.

ohiou_grad_2006 · Feb 22, 2018

I agree turn on his PC when he's not there and see if you still have connection. If you have no internet then tell him he's not allowed to be on your connection until his system is checked for malware.

Also, do change your admin password on your router. Many routers now allow you to limit speed to certain devices so you may try that.

How fast is your connection and what kind of router etc are you using

riachurules1 · Feb 26, 2018

i accidentally put two of the samr things and i dont know how to delete this comment so im just putting this xD

riachurules1 · Feb 26, 2018

apperintally i made three of the same things so i have to put this too _-_

riachurules1 · Feb 26, 2018

okay, it literally made five of the same posts i am so confused.

riachurules1 · Feb 26, 2018

Sorry i haven't responded in a while, I am no longer sure that it is my brothers pc because he doesn't have internet without his ethernet cable. I moved our router into my room and hooked up an ethernet cable and my pc had internet for a while, but it kept losing connection. Every time it lost connection i went to the ethernet connection in "change adapter settings", went to configure, and changed the network address. Sometimes i would have internet for about an hour everytime i changed the network address (i would change the last two letters: 1234567890XX). Eventually this would stop working as my internet would keep cutting out faster and faster everytime i did this until it eventually just stopped working completely. I tried changing my speed and duplex to every option but that didn't help. One more thing i should note, my brother had two other accounts on his pc (two administrator guest accounts) and they are both corrupted accounts. I've been trying to delete them without him noticing for a while but its tough. I managed to delete one of them, but when i was going to delete the other he walked in. Both of these accounts some how get internet without the ethernet, or at least the last time i checked they did. I will check again today and see if they have internet without the ethernet. It is weird because those accounts do, while his main account that is not corrupted doesn't. I am not sure how my brother gets fine internet with his ethernet cable unlike me though.

smashjohn · Feb 26, 2018

You only have a couple options. It sounds like one, or both, of your computers may have problems. This can be caused by a number of things, but we'll just say that downloading free stuff can cause these issues because of other software that is attached and virus-like (games, music, fonts, videos, etc.).

The only way to test your network is to turn off your brothers computer and your computer, use a clean 3rd computer to run an extended ping test to the Internet (ping 8.8.8.8 -t). If it runs uninterrupted, the problem in with one or both of your computers. If the Internet drops, then the problem is independent of your computers.

Alternately, you could do a full, clean, reinstall of windows on your computer and use it to do the testing.

From your original post, it seemed like the problem was directly related to 2 factors: (1) your brother was home, and (2) your brother's computer was on. You need to narrow down which device is the source of the problem. Your computer, Your brother's computer, Your router, or something outside these 3 options. Until you've done that, you don't really know where the problem lives, you have too many variables. If you know the problem is your brothers computer, then he needs a re-format and reinstall of windows. I'd recommend getting some decent virus protection too; something that checks the websites you/he is visiting and the downloads. I like Vipre AV, but Avast is free. There are others too, these are just 2 suggestions.

With regard to your last post; changing the MAC address of the machine will cause it to request a new IP address because it looks like a new device on the network. This resets your network connection so to speak. Again, this points to some type of software on one of your computers (probably his), with some type of infection, persistently pounding your machine/network until it's useless. Then you 'disappear' when your change your MAC/IP and everything is fine until your computer is found again with the new MAC/IP and it starts all over.

riachurules1 · Feb 27, 2018

Umm, so something really weird happened yesterday and i think i have found the problem. So, i was doing some testing after i got off the phone with an online helper for this kind of stuff. He couldn't seem to help me so he told me to get a technician, but i wanted to keep looking. I went into my router settings from my computer (typing my default gateway 10.0.0.1 onto google chrome). I logged in and went to parental controls. I noticed that there were no allowed devices under the allowed devices tab, so i put all of the computers under it. My computer was then able to get onto the internet with the ethernet. I than unhooked the ethernet and still had internet wirelessly. I am pretty sure this is the problem. I still was encountering a major problem with the internet even though i thought i had fixed it. For some reason something is taking all of the devices, or atleast mine, off of the allowed devices tab. About an hour of playing fine and my internet was lost. I went back into allowed devices, and my computer was no longer there. I put it back on, and I had internet again. About ten minutes later something really weird happened. I lost internet, so i went back onto the website and i tried logging in. When i logged in with the right credentials and everything it said "User is blocked". I thought this was weird, so i went down to my moms pc. I tried the same thing and the same thing occured "user is blocked". I don't think that my Mom is putting mine and her own computer on the blocked list. I will ask her if she did when i get home, but I am pretty sure that something is malfunctioning and the router is doing this manually for some odd reason.

riachurules1 · Feb 27, 2018

If somebody could tell me if i'm just being dumb and there is a simple fix to this that'd be nice, or just how to fix it.

smashjohn · Feb 27, 2018

It sounds like your router has been hacked. Use the manual reset button on the back to set it back to factory defaults. Log in and setup a new secure password. Setup the wifi with a new secure password. Looks through the options and make sure nothing is allowing management connections from the public/Internet side of the device.

Parental controls are not turned on by default. If yours were on, someone turned them on. If your IP isn't being allowed to access the router management console, someone added a restriction. If your user account (admin) isn't allowed to login, someone restricted it. These settings can't turn themselves on. It sounds like someone is accessing your router either from the Internet or from the wifi end.

riachurules1 · Feb 27, 2018

I´ve already factory reset the router over 3 times in the past month. I didn´t have internet afterwards, but it might be because i never went onto the site and manually put the pc on the allowed list. I will try this again, and put the pc back onto the allowed list and tell you what happens

failboat · Feb 28, 2018

If you want to rule stuff out you have to test it with less variables. Try direct connection to modem. Then try only your pc on the router. Then add other users on. Test to see if you can ping another pc on the LAN. Make sure you are getting IPs from your router.

You may have DNS issues if your LAN works but your internet doesn't. Resetting your router should pull fresh info from your ISP though.

Borrow or buy another router and test with that. If dropping $40 on a new one is easier than troubleshooting then don't waste your time.

smashjohn · Feb 28, 2018

riachurules1 :

The important part isn't the reset. The important part is changing the passwords (for administration and wifi) so it can't be accessed with it's default passwords. Your last post introduced the possibility that your router settings are being changed by another person. In order to rule out someone messing with your router, you have to gain access back (reset), and ensure no one else has access to it (change passwords from default). Now you control who has access to your network. To do this you have to be locally connected to your router. If you make sure nothing else is plugged into your router, you should now have the Internet connected to your router -> and your router connected to your PC. Testing in this scenario will limit the potential issues to (1) your internet connection (2) your router and (3) your computer. But you've eliminated your brothers computer and a hacker from the equation. If everything works, you add your brother's computer back in and retest. If everything doesn't work, then you have to eliminate something else from the equation.

Like failboat said, you have to test with less variables. Troubleshooting is the process of ruling things out. You might have to rule out 100 possibilities to find the answer because the answer will be the one thing you can't rule out.

My brothers PC is affecting the internet for everything else.

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