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Wireless N is causing my computer to stutter

This is a discussion on Wireless N is causing my computer to stutter within the Networking Support forums, part of the Tech Support Forum category. Since yesterday my computer has started to stutter when connected to the internet, but the conditions in which this happens


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Old 04-20-2010, 12:19 AM   #1
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Since yesterday my computer has started to stutter when connected to the internet, but the conditions in which this happens are very strange.

When this problem first came up I tried restoring my router to factory defaults and checking for firmware updates to no avail, and then decided my computer was due for a reformat anyway so I reinstalled Windows 7 fresh, since there aren't any files on my computer I was particularly interested in saving. At first I thought the problem was solved, until I installed the latest drivers for my graphics card. The stutter came back and I was puzzled as to why.

After experimenting trying to find the source of the stuttering I learned a few things:
  1. What I had first thought was only my mouse skipping turned out to be the entire screen, and audio stuttering
  2. Uninstalling my graphics drivers fixes the problem
  3. Uninstalling or disabling my network drivers fixes the problem
  4. Changing my router from mixed to wireless G fixes the problem

The strange thing is, the problem started when I reinstalled my Asus PCE-N13 wireless card's drivers, but a reformat didn't fix the problem.

My specs:
OS: Windows 7 64-bit
CPU: Intel i7 @ 2.66ghz
GPU: Sapphire Radeon HD 5850
Mobo: ASRock x58 Extreme
Wireless Card: Asus PCE-N13
Router: Linksys WRT300N V1.1

I'm currently running ok using Wireless G, but I would like to be able to change my router back to mixed in order to take advantage of N's speed, and if the problem is hardware related I'd rather know now before something fails completely.
Anyone with similar problems or ideas that might help would be greatly appreciated.

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Old 04-20-2010, 07:24 AM   #2
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Download and run this Xirrus Wi-Fi Inspector, click the Networks link on the upper left and paste a screen shot of that screen here. Note that this application requires NET Framework to run. If you get an error about a missing function, download and install NET Framework.


To post a screen shot of the active window, hold the Alt key and press the PrtScn key. Open the Windows PAINT application and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file. To upload it to the forum, open the full reply window and use the Manage Attachments button to upload it here.

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Old 04-20-2010, 02:05 PM   #3
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This is with the router still on G by the way.
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Old 04-21-2010, 11:54 AM   #4
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The only thing that comes to mind is drivers or router firmware.
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Old 04-21-2010, 10:27 PM   #5
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I checked for firmware updates and restored my router to factory defaults. I've also tried every available driver for my wireless card and four for my graphics card. No luck :(
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Old 04-21-2010, 11:21 PM   #6
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Could also be a motherboard problem.
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Old 04-22-2010, 05:56 PM   #7
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How could I check for that?
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Old 04-27-2010, 08:00 AM   #8
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I would download and install your router's firmware version to the latest, this might help. You may download the latest firmware from the Manufacturer's site.

If the above didn't help at all, then it's hardware issue. See if you can get and try a different wireless network adapter.

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