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user_ef9409
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4 Messages

Sunday, September 11th, 2022 7:39 PM

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Slow Internet on one PC, but Apple OK

Windows 10 sitting next to a router next to an Apple M1 Mac, both wired to the router.  Apple Internet access is fine.  Windows PC started intermittent slowdowns a month ago, now since yesterday it is constant.  Most websites time out, Home Screen takes 30 minutes to display.   I have followed directions from numerous websites on how to resolve the issue, rebooting the router, disconnecting the wired ethernet cable, booting in Safe Mode, using a different browser, changing various settings on the PC, restoring the PC to a saved state from a month ago, dropping the firewall, virus protection off, stopping unnecessary aps, command line commands, rebooting and rebooting again, whatever suggestion there is out there online I've tried it and nothing helps.  Hardware checks out OK, drivers are up-to-date. Something on the PC, some program is interfering? This is the second day I am working on it, seeking solutions online, trying various things and nothing works to identify the problem.

Who knows of a utility that can diagnose the problem?

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3 years ago

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NoNoBadPuppy

Problem Solver

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543 Messages

3 years ago

There are a few things you can try on your own. How tech savvy are you?  The command prompt in windows is a wonderful tool for finding and fixing problems, and if you are comfortable with a command line interface and some simple commands, I can give you some tips that may fix your problems.  Just be aware that Windows can become corrupt over time, and in some cases the best solution is to wipe the boot drive clean and install a fresh copy of windows. That is always a last ditch effort, and most computers don't need that drastic of a solution.  Let me know if you would like some suggestions on how to use the command prompt to try and fix the issues you described. 

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user_ef9409

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4 Messages

@NoNoBadPuppy

I am tech savvy, thank you, having spent a career with command line operating systems (other than Windows,) so shoot!  I want to add that running a Windows Network troubleshooter I get this message: “Your computer appears to be correctly configured, but the device or resource (DNS Server) is not responding,” and I have been following online suggestions to resolve that, all to no avail. Thank you for your response.  

Cheers!

3 years ago

0

NoNoBadPuppy

Problem Solver

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543 Messages

Try this: Open a command prompt and type the following (without the quote marks) "ipconfig /flushdns".  You should get a response that the DNS resolver cache has been resolved.  Restart your computer.

Once again, open an elevated command prompt  (right click the cmd icon and click on "Run as adminstrator" and type the following "sfc /scannow" .  This will check your operating system files for corruption, and depending on the speed of your computer it can take some time.

Once it completes, it will display the results. The desired outcome should read: Windows Resource Protection did not find any integrity violations.

Alternatively, it can read that problems were found but all problems were resolved.

It could also read something along the lines that issues were found but could not be resolved.  If that is the case with your computer. please post back and we can go through the steps of repairing your windows installation. 

3 years ago

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user_ef9409

Visitor

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4 Messages

Solved!  It was as I started suspecting last night a roque process that was causing the problem. What process? I don't know. I disabled the Windows Firewall (again.)  Then I enabled it with the Restore Default Policy.   Some messages quickly flashed when I rebooted and I didn't catch the name of the program complaining about access.  The firewall log file is empty (apparently it is turned on optionally.).  

3 years ago

0

NoNoBadPuppy

Problem Solver

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543 Messages

3 years ago

One other thought; on the computer with the DNS issues, you can change what DNS servers it will connect to.  I use Cloudfare as my choice because it is faster (has lower latency) than either my ISPs DNS server or those of Google.  You may use this article as a guide on how to do it:  https://www.windowscentral.com/how-change-your-pcs-dns-settings-windows-10 .  The addresses for Cloudfare are 1.1.1.1 and 1.0.0.1 .

(edited)

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user_ef9409

Visitor

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4 Messages

@NoNoBadPuppy​ Thanks, a good idea.

I'd like to add that during my online searches I had encountered reports of problems similar if not identical to mine, and reports that none of the common 12 or 7 advertised solutions ever solved the problem.  And nowhere was there a suggestion to do what I eventually stumbled upon.   I regret not catching the name of the culprit program, but it was not anything I had downloaded but something that came with the machine two years ago and I never bothered eliminating it or using it, and as it turns out the program kept updating itself in the background until it caused the problem that it did.

One side note, after all these configuration tweaks I am now seeing that drop down menus of Edge and other programs have microscopic fonts which have been so far impossible to change, when none of the tweaks had anything to do with fonts or display parameters. Ah, Windows!

3 years ago

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