Limited Connection, network adapter

I have a Toshiba satellite L855 laptop with windows 8, and switch that connect 3 pc, two work fine, the third is the problem, the solution that troubleshoot give me is that the modem need to restart, I have already apply and the laptop continues with the problem, the only things that work is uninstalling the driver and this only work for a short time.
luis82Asked:
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John HurstConnect With a Mentor Business Consultant (Owner)Commented:
Based on your post, it is probably the computer and not the modem.

See if you can find a newer, upgraded network adapter driver. What make is the network card?  If, say, Intel, then Intel may have a better driver.

Another thing to do is a TCP/IP Reset.

Open cmd.exe with Run as Administrator
Then  netsh int ip reset c:\resetlog.txt
Also, ipconfig /flushdns followed by net stop dnscache followed by net start dnscache
Then restart the computer
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luis82Author Commented:
I did the process but when trying to stop de DNS cache it failed,  it told me that he could not stop.
I try to stop the DNS service, and it show me the following:
     Windows canot stop DNS Client. The service did not return error
This could be an internal windows error or an internal service error
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John HurstBusiness Consultant (Owner)Commented:
Not so good.

Try a complete shutdown, cold startup and try DNS again.

If no, try System File Checker. Open an admin command prompt and run SFC /SCANNOW twice. Allow to complete, restart and try again.

Please let us know.
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