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Vastly inconsistent bandwidths across multiple Windows 7 machines
Hello all,
I'm encountering a very strange and frustrating problem with some of my Windows 7 machines... I'll attempt to explain this as fully as possible, please let me know if any knowing any other information will be helpful.
I recently started a subscription with Comcast for a 50mb Down/10 mb Up high speed internet service.
I am using 3 different websites to analyze the download speed of this connection on multiple computers (speedtest.comcast.net, speedtest.net, speakeasy.net/speedtest).
The issue is, the 50mb download speed works for some of my machines but not for others.
The following machines receive the full 50mb (or higher) download speeds when checking with the above sites:
MacBook Pro
Acer Aspire One - running Ubuntu Linux
Dell Latitude E5410 - Windows 7 Enterprise
When I try this with my other Windows 7 machines, I get results of less than 10mb down. These machines are:
ASUS G73 - Windows 7 Home Premium 64bit
Dell Latitude E6400 - Windows 7 Enterprise
These tests were conducted with direct hard line hookup to the modem, no router.
I know for a fact that the service is working at full capacity, since I get the full download/upload speeds with the 3 machines. But I cannot figure out why the other two are more than 80% slower.
All of the firewall settings are identical across the Windows 7 machines.
I tried starting my my ASUS machine in safemode, to see if some particular process was slowing things down, but the slower internet speeds remained.
Needless to say, Comcast has no clue.
I was hoping that someone might have some idea what is causing this, or maybe some idea of what to compare between the two machines. While I am fairly computer-savvy, I don't know a lot about networking, any help or ideas would be GREATLY appreciated.
Thanks so much,
Mike