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Slow internet connection on new desktop PC

This is a discussion on Slow internet connection on new desktop PC within the Cabling and Network Cards forums, part of the Tech Support Forum category. My new desktop PC is connected to the router through cable. However, the internet is sometimes slow after booting it

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Old 02-07-2016, 02:03 AM   #1
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OS: Windows 7 64 bit

My new desktop PC is connected to the router through cable.
However, the internet is sometimes slow after booting it up.

Tried pinging the router which shows 50-100% loss.
When I restart my network adapter, the problem is gone and the internet connection is fine. Though sometimes I have to restart many times to get it to work.

When the problem occurs Network diagnostics says:

Your computer appears to be correctly configured, but the device or resource (DNS server) is not responding

IP-address and DNS is set to automatic.
I've tried manually setting the DNS to Google's which didn't help.
Also tried 'netsh winsock reset netsh int ip reset' which didn't help either.

3 devices are connected to the router:
The desktop PC through cable
+ my laptop and smartphone on Wifi (no problems on these two)

Netgear AC1600

i5 6400 2,7ghz
Coolermaster 600W 80+
Windows 10 64
Realtek PCIe GBE Family Controller
Windows Defender

Hopefully one of you have experiences with this kind of problem :)

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Old 04-21-2017, 06:57 AM   #2
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Join Date: Apr 2009
Location: St Louis, MO
Posts: 19,025
OS: Win 7 SP1

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Have you tried moving the cable to a different switch port?

Have you tried using a different cable?

Also, you mention restarting the network adapter, in which case it could be a driver issue or the NIC could be failing/faulty.

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Old 04-22-2017, 12:46 AM   #3
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OS: Windows 7 64 bit

I have not tried any of these things yet. Which I should've, OSI model and all.
I will try getting hold of a new cable and testing different ports. Hope it's not faulty hardware
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