pinging router drops a couple of times from only one pc

hi, I have a windows 7 pro pc on a domain.
The user had issues with it dropping off on certain networked programs and the internet.
I decided to do a ping of the server and the router. using -t
the server ping is constant, but the router ping drops for 5 pings every few minutes to 5 minutes

no other users seem to have this issue.
what can i look at ?

thanks
total123Asked:
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Tony JConnect With a Mentor Lead Technical ArchitectCommented:
Well that doesn't do anything to the stack - if that does fix it, it'll be bonkers...but good all the same.
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Tony JLead Technical ArchitectCommented:
Well the first place I'd start looking is physical connectivity - is it a wired or wireless connection?

If it's wired, I'd try another cable. If wireless, check for drivers for the card etc.

When it happens, can the user ping other internal resources such as a server or another desktop?

Are they all in the same switch? Is it possible to (a) swap ports or (b) pull logs off of the switch?

Does the user have any software that is significantly different that may be causing the issue? All patched and service packed? Run a virus/malware scan?

Anything in the event logs that might point to the problem?
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total123Author Commented:
i'm pinging 2 servers and a router.
the main sbs server pings constantly fine, the 2nd server drops off at the same time as the router ping.

it is wired. But if it was a cable, wouldn't it effect the ping to the main server.
I did a full service pack and network driver update yesterday and update the anti virus software.

I will try swapping the cable over.
nothing appears in the event viewer
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Tony JLead Technical ArchitectCommented:
Hmm yes you would expect to see them all go if it were the cable.

Are the router, pc and server that drops off on the same switch?
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total123Author Commented:
we have 2 switchs, the router is on the same switch as the pc
the 2 servers are on the other switch
which you would assume, would effect both servers. strange.


i have changed the socket on the wall and on the switch for the pc. not the actual patch cables yet.

we'll see what happens
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Tony JLead Technical ArchitectCommented:
Hmm yes all very odd as there appears to be no common point.
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total123Author Commented:
changed all the  cables, including patch cables.
still never drops from PDC server. but does from second server and router.

don't know what to look at next.
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Tony JLead Technical ArchitectCommented:
I'd have said something like the IP stack but for the fact that it continues to ping the other box.
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total123Author Commented:
I changed the ip on the pc from static to dhcp for ipv4 and its been fine for 20 minute
I've left dns as static.

Random. Figures crossed
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