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Windows 7: Receiving a file over ethernet very slow

20 Feb 2011   #1
pythagorean

Windows 7 Home Premium
 
 
Receiving a file over ethernet very slow

I have 5 computers connected to my router on a gigabit LAN. Two of the computers are WINDOWS 7 machines, one is a Windows Vista Ultimate machine and the other two are Linux. Everything works fine and always has worked fine until yesterday.

On one of Windows 7 machines I can copy a very large file from the machine onto other machines and get 27 Mb/s transfer speed. On the other hand, transfering a file from any other machine (Windows 7, Vista, Linux) on to this "broken" computer I only get up to 10 Kb/s. So, for example, transferring a 500 mb .avi file onto the broken machine will show as requiring 3 days to complete.

Here is the perplexing thing... running Fedora 14 in a virtualbox (with a bridged network adapter) on this broken computer allows me to transfer a file onto this broken machine at normal speeds. So, the exact same 500 MB .avi file that Windows 7 says will take 3 days to transfer will completely transfer over the same network with the same hardware onto the same machine within seconds. Also, this machine dual boots into Linux and everything works fine under Linux...

I tried updating the driver with Hardware Manager in Windows 7... but it says that I already have the latest driver.

I don't know where to start with troubleshooting this as it seems pretty obvious that it is somethjing wrong at the level of Windows 7 on this machine and I do not have this problem at all on other machines.

Suggestions?


My System SpecsSystem Spec
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20 Feb 2011   #2
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

The first thing I would point a finger at is your firewall, or antivirus software.
Temporarily disabling them would either confirm or deny that.

Windows update doesn't always have the best drivers for a device. Without more specific information about your system, I can't really say though.

You may also want to try a different ethernet cable.
My System SpecsSystem Spec
20 Feb 2011   #3
pythagorean

Windows 7 Home Premium
 
 

What additional information would you require? Incidentally, I disabled the firewall and the transfer speed went up to about 1 MB per second, which is still very slow but faster than before.
My System SpecsSystem Spec
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20 Feb 2011   #4
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

If it's a prebuilt system, just make and model number i.e. dell pavilion dv6000.
If you built it yourself, motherboard make and model.
My System SpecsSystem Spec
20 Feb 2011   #5
pythagorean

Windows 7 Home Premium
 
 

It works fine with Linux so it is not a hardware problem but... here goes:

The motherboard is a BIOSTAR TA790GXBE with a Realtek RTL8111DL network adapter built into it.
My System SpecsSystem Spec
20 Feb 2011   #6
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Well much to my surprise there is a native win7 driver available on the manufacturers website.
BIOSTAR :: TA790GXBE :: Driver

I would also go ahead and grab up all the other win 7 drivers provided by them while your at it.

No promise this will fix your speed issue, but it's a good idea for general system stability anyhow.
My System SpecsSystem Spec
20 Feb 2011   #7
pythagorean

Windows 7 Home Premium
 
 

Thanks for the suggestion.

Actually, I uninstalled Windows Security Essentials and it works fine now. I have no idea why that would be the case but for the last couple of days there would be these seemingly windows endorsed advertisements that would pop up from the little flag in the notification area by the clock and it seemed to have started when I installed "Windows Security Essentials" the other day... so I just uninstalled that.
My System SpecsSystem Spec
20 Feb 2011   #8
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

MSE has problems, but I haven't seen any complaints of it causing bsod's or system failures. Which I have seen with some of the other security apps. So I still tend to suggest it, even as I tell people it has it's faults.
Just about any level of security is going to lower performance in one way or another though.

Glad you are sorted for now.
My System SpecsSystem Spec
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 Receiving a file over ethernet very slow




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