Next: Review / reset your browser preferences, such as your desired Home Page and other settings. Click OK then Apply then close System Preferences. Normally, none are selected, so unless you have reason to believe you require one or more of them de-select any that have been selected. Under Select a protocol to configure determine if any protocols are selected. Select the network interface you normally use (usually, it's Wi-Fi) then the Advanced. Next: Open  (Apple menu) > System Preferences. In your case, they may contain files for Amazon, Google, printers such as Epson or HP, and 'Wibu' (whatever that is) but the point is you should have at least a passing familiarity with the contents of those folders.

Note: By default, both of those folders should be completely empty except for files required for programs or services that you are 100% certain you need.

In that second folder, locate and drag the following files to the Trash:Ĭom.Ĭom.7.ist In the same manner as the above, navigate to this next one: If you find any similar ones in that folder trash them also. īy now it should be abundantly clear all those files consisting of a bunch of apparently random numbers are malicious. Locate and drag the following files to the Trash:Ĭom.Ĭom. Make it look exactly like this:Ī Finder window will open, containing many of the files you will need to remove. To open that folder, copy the entire line above and paste it in the Finder's Go menu > Go to Folder. While in that mode, navigate to the following folder, and open it: The rogue processes affecting that Mac are inoperative in 'Safe Mode'. Starting in Safe Mode takes longer than usual so let it finish. Restart your Mac in 'Safe Mode', and log in: Use safe mode to isolate issues with your Mac. Next: This step will prevent the scam products from loading so that they can be removed while they are inactive. Do not overlook this fundamental requirement.

A backup is a fundamental prerequisite regardless of whatever method you may choose uninstall adware, and would apply even if your Mac were running perfectly well.To learn how to do that, please read Back up your Mac with Time Machine. To begin fixing this problem, follow the instructions below.įirst, ensure you have a reliable backup of your Mac, in case something should go wrong with continued troubleshooting. Is it interference with other frequencies ? Is it the LPSS adapters I am out of idea what would cause this slow internet speed or at least unsteady speed. I know wifi range can be an issue and my next step is to test a wifi booster. I can't plug to the ethernet since the MacBook has no port. I tried DNS Cloudflare 1.1.1.1 and 1.0.0.1 and still nothing changed. Then, I changed the DNS to Google 8.8.8.8 and 8.8.4.4 Same thing, it gave me around around 100-200 Mbps for a while and came back to slow speed. Well, it gave me around around 100-200 Mbps so I thought it was it, but later in the day it came back to 30-50Mpbs.

I removed the existing Wi-Fi preferences in macOS Sierra in the system configuration

I tested the ping which gave me 100% transfer with 0.0% packet loss which indicate that it's might not be a wifi problem but Internet. I removed the caches, cookies and navigation data, empty the trash, etc. I call the Internet provider and after troubleshooting and assessment of very good internet, the problem remains for this device apparently. Depending on where we are (close to the modem Internet speed can reach 500Mbps but it is normally around 200Mbps in the office). I tested the speed online for my MacBook Retina and it gave way below (30-60Mpbs) what it is use to be (200-300Mbps).

Navigating on the Internet is fine, everything seems to work but only when it comes to video it just lagged, connection is weak and then come back to normal, etc.Įverything is still fast on the other devices, no lagging when using video platforms. Since September, my Internet provider offers me a high speed internet (up to 700Mbps).Īll of my devices including the one in question worked very well, particularly with video conference (around 300Mbps).īut recently, on the MacBook Retina, video on Google Meet, Zoom and Skype started lagging. I have a MacBook Retina 16 inch with macOS Sierra 10.12.6 I am turning to the community to see if a similar issue has arisen among other users. Slow internet despite high internet speed provider Hi,

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