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Windows 7: Why is copying data between my 2 computers VERY slow?

13 Jan 2010   #1
shiphen

Windows7 Pro x64
 
 
Why is copying data between my 2 computers VERY slow?

Hi

Copying data on to my new Windows7 PC (from my old PC) seems EXTREMELY slow.
For example copying about 1.5GB of various data files takes over 50 minutes
(claimed speed c.500KB/sec)
However I have a new-ish "good quality" Router and the network adapters
for both my PCs claim to be running at "100Mbps/Full Duplex".

My configuration:
1. WindowsXP machine (3 years old)

MOTHERBOARD: Intel Pentium 4 D945GNTLR system board 3.2GHz
Network Adapter: Intel PROSet version 14.7.23.0
Adapter Speed setting: 100Mbps/Full Duplex (Autodetect)

2. Router: (1 month old)

Make: Thomson TG585 v7

3. Windows7 machine (1 week old)
Motherboard: Intel DP55WB MA TX
Processor: Intel Core I5 750 2.66GHz
Network Adapter: Intel 82578DC "Gigabit Network Connection"
Link speed status: 100Mbps/Full Duplex (manually set)

Why is it running so SLOWLY?
Do I need to do something to the router to speed it up?
Cheers

Ship



My System SpecsSystem Spec
.
13 Jan 2010   #2
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Have you tried Pinging the router from your PC to see if any packets are lost?

Test a TCP/IP configuration by using the ping command: TCP/IP

Have you tried to reset the router yet?
My System SpecsSystem Spec
13 Jan 2010   #3
RedBirdDad

W7 Ultimate 64bit W7 Premium 64bit W7 Premium 32bit WXP Home 32bit
 
 

I just found something that might be of some help:

Slow Network File Copy issues in Windows 7 caused by Remote Differential Compression | Windows Reference

It relates to a compression feature in Windows 7. You could give that a try and let me know if it makes a difference.
My System SpecsSystem Spec
.

13 Jan 2010   #4
acurasd

Windows 7 Ultimate x64
 
 

I dont know what slow is.. everything my house is gigabyte thats cause i network LAN parties....

umm umm see the thing is that even though you have 100 mb lan, it won't use it all of it.

your switch and router has some very big things about it too... this is what i did..

I have a switch that is 10/100/1000

everything is pluged into the switch and my router is on the outside.

i dont router anything through my routers LAN ports except LAN 1 goes into the switch to make it functions work

that way if the router goes down the switch is still up and running.


How did you set your system up..... we may have to open up some ports, check your firewall... umm someimes if you have antivirus and your transfering files, it problem is checking them while it goes out.. posiblity
My System SpecsSystem Spec
13 Jan 2010   #5
pparks1

Windows 7 Ultimate x64
 
 

At 100 megabits, full duplex, the technical maximum is around 12.5MB/s. However, you never quite reach 100% efficiency...so you can usually bank on around 10MB/s. So, 1.5GB of data in a 100 megabit network would take around 2.5 minutes.

Are you getting faster speeds when you are accessing the Internet? Can you change out the network cables to see if you have a bad cable?
My System SpecsSystem Spec
13 Jan 2010   #6
Zidane24

Windows 7 Home Premium x64 - Mac OS X 10.6.4 x64
 
 

Quote   Quote: Originally Posted by pparks1 View Post
At 100 megabits, full duplex, the technical maximum is around 12.5MB/s. However, you never quite reach 100% efficiency...so you can usually bank on around 10MB/s. So, 1.5GB of data in a 100 megabit network would take around 2.5 minutes.

Are you getting faster speeds when you are accessing the Internet? Can you change out the network cables to see if you have a bad cable?
Thanks for that info

Seems like my school is giving me the max on the connection then as I can pull 10MB downloads
My System SpecsSystem Spec
13 Jan 2010   #7
shiphen

Windows7 Pro x64
 
 

Quote   Quote: Originally Posted by chev65 View Post
Have you tried Pinging the router from your PC to see if any packets are lost?

Test a TCP/IP configuration by using the ping command: TCP/IP

Have you tried to reset the router yet?
Sorry I'm not completely sure how to test using Ping - (but it looks roughly okay to me).

Yes I have turned the router off (for 30 seconds).
My System SpecsSystem Spec
13 Jan 2010   #8
shiphen

Windows7 Pro x64
 
 

Quote   Quote: Originally Posted by RedBirdDad View Post
I just found something that might be of some help:

Slow Network File Copy issues in Windows 7 caused by Remote Differential Compression | Windows Reference

It relates to a compression feature in Windows 7. You could give that a try and let me know if it makes a difference.
Yes Remote Differential Compression was set on.
No, turning it off didnt make any difference.
My System SpecsSystem Spec
13 Jan 2010   #9
pparks1

Windows 7 Ultimate x64
 
 

Go to a command line (Start, run, cmd).

ping -t x.x.x.x (where x.x.x.x) is the IP address of the other computer. Let it run for a minute or two.

CTRL-C to stop it.

You should be missing 0% packets. If you are missing more than this, you have an issue.
My System SpecsSystem Spec
13 Jan 2010   #10
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

1.5GB took 50 minutes, that is pretty slow. I can usually do 20GB in about 15 minutes or so. I never had to do anything special to my network just to transfer files and the firewall ports are opened up automatically when you set up file sharing. Is there an echo in here LOL.

Have you tried Pinging the router from your PC to see if any packets are lost?

Test a TCP/IP configuration by using the ping command: TCP/IP

Have you tried to reset the router yet?
My System SpecsSystem Spec
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 Why is copying data between my 2 computers VERY slow?




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