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WiFi randomly stopped working on one PC only


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#1 dannyjerome0

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Posted 09 March 2015 - 06:57 PM

Problem started a few weeks ago.  Not sure exactly if anything changed on my PC in terms of software.  I know there have been no hardware changes.  I am having horrible WiFi capabilities on my PC.  Every other device in my household works perfectly fine.  My PC is custom-built, running Windows 7 64-bit Home Premium.  The BIOS and drivers are all updated.  I was using a TP-Link USB WiFi adapter, which seemingly out of nowhere started running slowly.  Then, the Internet would disconnect randomly and intermittently, or slow to almost a crawl.  Since then, I ordered 2 more WiFi adapters (Panda and Linksys).  All 3 adapters seem to work just fine on my laptop.  All of them do the same thing on my PC.  Oddly, the Linksys adapter worked beautifully for a couple minutes right after the installation.  However, it eventually went back to horribly slow download speeds and/or intermittent connection.  Nevertheless, I know the problem is not with the adapters, since they work fine on other machines.   I have tried swapping out my keyboard, mouse, etc. with all of the available USB ports to no avail.  The keyboard and mouse work fine in all of the USB ports, but the adapters don't work no matter what ports I use.  Recently, I ran CCleaner, cleaned up the system and registry, did a fresh install of the WiFi adapter, and still it sucks (again, though, the adapter worked GREAT for a minute or two, then the connection pooped out).  HELP???  Never seen this problem in all my years of building PC's.


Edited by hamluis, 12 March 2015 - 12:11 PM.
Moved from Win 7 to Networking - Hamluis.


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#2 dannyjerome0

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Posted 11 March 2015 - 10:09 AM

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#3 Torvald

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Posted 11 March 2015 - 12:29 PM

danny,

 

I'm not knowledgeable to help advise on the networking problem you are having, so will let others chime in on that.

 

However, did want to pop in briefly to alert you to NOT continue using the registry cleaner/optimization part of Ccleaner.  (Using the part of Ccleaner that clears out junk files is okay. though.)

 

BleepingComputer does not recommend using any registry cleaners, as they rarely ever help and usually just end up making your computer run worse than before.


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#4 dannyjerome0

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Posted 12 March 2015 - 10:35 AM

Okay, thanks for the advice.  To rule out any possible malware or OS issues I did a completely new install of Windows 7 after formatting the hard drive.  The same issue still exists.






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