Question network connection drops when downloading & BSODs

[victor1idn918]

Hi, first of all thanks for taking your time in trying to help me. I'll be as short as i can.

The problem i have is, when i download torrents, ftp or even regular http files at a reasonable speed (+15 MB/s), sometimes and at random, the download stops and the entire internet connection on the computer stops working, even in some cases, a BSOD shows seconds before the connection "breaks". When this happens, i have to wait 3/4 minutes till the connection goes back. Unplugging and plugging the ethernet cable seems to work too.

At first i thought it was router fault, but i tried with another router and the problem persisted. I opened an ftp server on a laptop on my house (laptop connected to gigabit ethernet too), tried LAN transfer with filezilla and does the same. Downloads from remote locations have the same problem too (mostly with very large files). Then i thought maybe it was hardware problem (i'm using motherboard integrated ethernet), so i installed linux to check, and it didn't happened. Even FTP and torrent downloads were faster (~55 MB/s on windows, 70 MB/s on linux) so it's not a hardware problem. Something is bad with windows files, config, or something. I tried many things, but no one worked.

Here is some info about my setup:

• Connected to the router via Gigabit ethernet
• mobo: asus M5A78L-M PLUS/USB3
• ethernet adapter: Realtek® RTL8111H, 1 x Gigabit LAN Controller(s)
• Windows 7 SP1 x64

Here's what i've tried to solve this problem so far:

• Uninstalled all the networking drivers that show on the dev manager: hamachi, virtualbox, virtualpc... except the realtek pcie LAN.
• Uninstalled realtek pcie LAN driver and reinstalled it
• Did a virus scan with malwarebytes and later with avira, found some malware but now all is clear.
• Closed all background processes except the file transfer one and windows exporer.
• Tried changing tcp/ip v4 config on the adapter, i already had a custom ip set, but setting it to automatic did nothing neither
• Changing the ethernet cable to other one
• Changing the ethernet port in the router the computer is connected

Here's a video you can see the problem happening. The connection drops in the middle of the dl:

View: https://youtu.be/IC6ujfjdO4E

dev manager screenshot (sorry if my windows is in spanish, i'm not native english):

tcp settings screenshot:

At this point i don't know what to do to fix it, any idea? I wouldn't want to wipe the windows partition if possible.
Thanks in advance.

 

[rgd1101]

try a lan card?

 

[victor1idn918]

try a lan card?

i don't have any. Only a classic PCI 100 mbit, i might try it later if i find it heh. (i don't even know if it's compatible with 64 bit).

thanks for the advice.

 

[victor1idn918]

first of all, sorry for the late reply, i was on a vacation so i couldn't test the pc because i was outside.

i bought online a cheap gigabit pcie card and now it works mostly well, without bsod's or other stories, however i still think it has to do with something in windows, but this works for me so i won't spend more time for now.

thanks everyone for your help.