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Slow download speed on one PC on network

We have one laptop that experiences slow download speed on our corporate LAN.  Both using IE, and doing a speed test, and also when copying files from the file server to his local machine.  We tried moving the laptop to another desk (the one my PC uses and using the same network cable as mine).  Updated the network card driver and also set the network card speed to 100 full (it had been on auto).  Disabled anti virus and firewall.  Upload speeds are fine, but download is very slow.  What else can we look at?
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CMCo
Asked:
CMCo
1 Solution
 
Martin_J_ParkerCommented:
What's local disk -> local disk copy speeds like?  Any problems with the local drive write speeds?
I assume the disk isn't nearly full and fragmented?

Anything happening in the Event Viewer?
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larry urbanDevOps EngineerCommented:
Disk write speeds, disk cache size, Winsock errors/omissions/additions (usually caused by a virus).

Are all the client in the comparison using the same hardware? i.e. hard drive, cpu, ram, nic, motherboard? Any differences there can cause different results.
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CMCoAuthor Commented:
Thanks for the reply.  Copying local to local is fine, no problem with write speeds, and the disk is not full or fragmented.  Not seeing anything in the event viewer that looks problematic...should I be looking for a specific type of event?  
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rorybreenCommented:
When you say upload is fine and download is slow.. I assume you have copied a file and timed it..

1. Create a share on the computer in question...
2. Attempt to copy a file to the share
3. Attempt to copy a similar sized file to the folder which you shared (using c: or d: not unc)

report back what you find.
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CMCoAuthor Commented:
Thanks, we reinstalled the O/S and its working fine now.  
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rorybreenCommented:
Any performance issues may be a cause of either a hardware failure (or pending like harddrive) or a virus/malware infection.

Glad to see you sorted it.
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CMCoAuthor Commented:
No real solution.  Just reintalled the O/S
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