The problem is: it won't get passed 20~21Mbps on my Desktop.
I'll always get the same result when using Ethernet, Wifi or when tethering my phone (connected to Wifi) via USB.
Things I have tried:
1- Reinstalling network drivers.
2- Updating network drivers.
3- Running a malware analysis (Malwarebytes)
4- Netsh int ip reset c:\resetlog.txt
5- Safe mode shows the same 20~21Mbps results.
My specs:
Windows 10
i7-2600, 8GB Ram, 1TB HD.
AMD Radeon HD 7800 Series - 2GB
Now open Notepad and paste this text into it. Next in notepad go to the main menu and under"File" select "save as" call it Resetip.txt and save it to c: drive, the file is now located at c:\resetip.txt
Next press the win + x keys together, from the menu select, command prompt (admin) a command prompt will open.
At the prompt, please copy and paste:-
regini c:\resetip.txt (press enter).
This will reset the registry permissions on the above registry key.(you will not see any indication of this the default prompt will simply reappear (means it has worked).
NOTE:- this permission change will revert to defaults after a restart, so it is perfectly safe.
Now still at the cmd prompt we copy paste:-
netsh int ip reset (press enter)
The tcp/ip stack is rebuilt. (at this stage do not restart computer)
Next:- copy paste:-
netsh winsock reset (press enter)
This will reset winsock
You will be asked to restart your computer, do so, please use restart not shutdown (important).
Now try your internet for awhile if no joy:-
Go to search and type powershell right click on the powershell.exe and select "run as administrator" A powershell prompt will open. Copy the text highlighted in red below:-
cmd.exe /C "echo > 0 & netsh int tcp show global >> 0 & netsh int tcp show supplemental >> 0 & echo >> 0 & notepad 0"
Right click anywhere in the Powershell window and your copied text will be appended to the cmd prompt (no need to paste). Press enter, a notepad will open please copy and paste it's contents here.
Next, still at the powershell prompt copy:- (as you see here, must be on two lines)
ECHO está ativado.
Consultando estado ativo...
Parâmetros Globais TCP
----------------------------------------------
Estado de dimensionamento no lado de recepção : disabled
Estado de descarregamento Chimney : disabled
Estado NetDMA : disabled
DCA (Acesso Direto ao Cache) : disabled
N¡vel de ajuste automático da janela de recebimento : disabled
Provedor de controle de congestionamento de complementos : none
Funcionalidade ECN : disabled
Carimbos de data/hora RFC 1323 : disabled
RTO inicial : 3000
Estado de união do segmento de recepção : disabled
Resiliência Rtt Não Sack : disabled
Máximo de Retransmissões SYN : 2
TCP Fast Open : enabled
O modelo padrão TCP global ‚ internet
ECHO está ativado.
Can you also run a tracert to google.com(or other) to see if packet loss or latency is causing the problem?
Windows Key + R > CMD > Tracert google.com.
Also, what is the connection rate when the computer is wired to the router?
Windows Key + R > NCPA.CPL > Right click "Local area connection" > Status > Speed.
Last, one of your profiles is named "Datacenter". Is this computer connected to a normal consumer/home network? Or is it in a corporate/work environment? If so, I wonder if your computer is being throttled. I know you said its slow even tethered to your phone, but I am trying to think outside the box. The throttling might be done by a VPN client on your computer. Apologies if this isn't relevant.
Rastreando a rota para google.com [177.35.32.108]
com no máximo 30 saltos:
1 <1 ms <1 ms <1 ms 192.168.0.1
2 8 ms 13 ms 8 ms 10.12.128.1
3 8 ms 12 ms 7 ms bb40000b.virtua.com.br [187.64.0.11]
4 7 ms 7 ms 7 ms b123206c.virtua.com.br [177.35.32.108]
Rastreamento concluído.
Notice you are pinging google.com, but the IP 177.35.32.108 has the PTR of b123206c.virtua.com.br and NOT google.com.. Notice it never leaves your ISP network, which is not normal. Is Virtua your ISP? If so, I think they are using CDN or some other kind of traffic management. If not, I wonder if you have some kind of malware which is redirecting your DNS. Or maybe a VPN?
Since you are using speedtest.net, run a tracert to there too, and see if it looks similar. If it also doesn't leave your ISP, try changing your DNS to static of 8.8.8.8 and 8.8.4.4.See here for more info. Then repeat the tracert and see if different.
Feel free to answer my previous questions, but I think most of them can be answered if you post a tracert to google from a computer that has normal speed. This would show what a "normal" tracert for you should look like.
Hmm, so it's not malware then. However it does show your ISP doing some odd things. However I am not familiar with that ISP so I can't think of a way to isolate it. Also,Did you try the other speedtest? If its the same then I am out of ideas. Sorry :-(
No problem. I don't like walking away from problems, so I will still be chewing on it, I am just currently out of ideas. Also, I am curious what ideas other people have. Will be following the thread and will post when I have something useful. Good luck!
Hi, there are some tweaks to make to your global tcp/ip settings, won't make much difference, Optimus has revealed your ISP is using a delivery network (CDN.. content delivery network) or such as. Your google tracert for most of us would have resolved at a pointer record (PTR):- 1e100.net [172.217.25.142] Atlanta USA, yours however came from your ISP, If done properly this can increase delivery as the site is "cached".. contact your ISP, we are working blind.
Hi! I'm not sure I got it. Should I contact my ISP then? What about the fact that every other device shows the same PTR but the internet works fine? Thank you!
Hi, when ever your internet speeds are slowing, contact your ISP as a first port of call, if you have no idea what is causing it. In your first response "the first thing didn't work" isn't very helpful.. you mean the tcp/ip stack repair failed or the winsock reset failed OR they ran successfully however the problem remains? What AV do you use or have you had a previous AV on this machine? What firewall do you use. WE rely on you to inform us of your situation as much as you can.
Hi, Jenae! Sorry for the lack of details... They ran successfully. I use Avast, and I have no active firewalls (even Windows Firewall is disabled). I called my ISP, and they said what I was expecting: "If you can access the full speed on every other device, it means our service is being delivered correctly, the problem is with your PC.".
In addition:-
lets see what processes are accessing your internet (match the PID numbers to the process, look for anything suspicious). The following cmd tells us what processes are using the internet the other cmd tells us all processes running , both give the PID number, so you can easily match PID to process name. Plus you will see what resource hogs there are.
Go to start search and type cmd right click on the returned cmd.exe and select "run as administrator" at the command prompt copy paste:-
Hi, often that is the quickest solution, it is educational trying to repair, however when the results are in that's the main game, thanks for letting us know.
I wonder if dumping the DNS cache would have helped. That would be something effected by a CDN, carry over into safe mode but not a new OS, and only effect 1 computer. Darn.
Are you sure you didn't have the metered connection enabled?
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