Macbook Pro - Network Errors

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Level 1

8 points

Macbook Pro - Network Errors

Hello, just yesterday I started having problems with my macbook i've never experienced my entire time owning it.

Model: Macbook Pro11,1

I was able to load a few websites like Youtube and Facebook but I couldn't access a majority including Twitch....I receive an error page ERR_ADDRESS_UNREACHABLE.

first i updated to catalina but it didn't solve the issue

I tried reinstalling chrome, didn't help.

I tried using Safari didn't help.

I tried to install Mozilla but i couldn't even get to the download page.

I tried Factory resetting the computer but it won't even let me as it says "Network could not be reached"

I've tried deleting WIFI and re-adding it

I've tried changing the DNS server

I've tried renewing the DHCP Release

I've tried three different networks all the same issue (can load some pages but still broken)

I've tried using Ethernet (through thunderbolt)

this is driving me insane, anyone have some tips?

Posted on Oct 23, 2019 7:58 AM

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Answer 1

Top-ranking reply

Grant Bennet-Alder

Level 10

140,459 points

Oct 23, 2019 8:07 AM in response to Bdean97

Is your system Time set correctly? it must be correct within five minutes to make httpS: connections.

Is your physical location set to the correct Time Zone in

system preferences > Date&Time > Time Zone?

does your geographical area have controversial Daylight Saving Time issues that Apple may have overlooked?

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Answer 2

Oct 23, 2019 8:48 AM in response to Bdean97

Most computers get their DNS server addresses from the Router upstream, when they get a local IP address using DHCP. However, if you manually set the DNS Addresses, the ones provided by DHCP will not be used.

The weird and wonderful thing that happens is that there are several MORE Routers upstream in your ISP's part of the Network, and each Router does the same thing -- asks for an address via DHCP, and gets the DNS numbers with it.

If you did not change them, your Router should still remember the ISP DNS numbers. You generally reach it by entering its local address as a numeric address in your browser, and then logging in.

In my opinion, your problem does not sound like a simple DNS problem.

You may wish to download and run this little "discovery" program name EtreCheck, run it and post its report back here for readers to help you with.

Using EtreCheck to Troubleshoot Potential… - Apple Community

.

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Answer 3

Oct 23, 2019 8:21 AM in response to Bdean97

are you using any third party anti-Virus software?

are you using a VPN or proxy?

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Answer 4

Oct 23, 2019 9:34 AM in response to Bdean97

If the Router Address is blank, your have serious networking problem.

Hold the Option key while you click on the Wi-Fi Icon on the menuBar, and invoice Wi-Fi diagnostics.

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Answer 5

Bdean97 Author

Level 1

8 points

Oct 23, 2019 8:25 AM in response to Grant Bennet-Alder

No 3rd part Anti-virus

I had TunnelBear Installed but I uninstalled it yesterday while trying to resolve my issue

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Answer 6

Bdean97 Author

Level 1

8 points

Oct 23, 2019 8:12 AM in response to Grant Bennet-Alder

I'm located in IL, CST.

The clock displays the correct time, (currently 10:08 AM)

The time is set to upate automatically and it's connected to Apple Americas/US

it says the timezone is Centeral Daylight Time

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Answer 7

Bdean97 Author

Level 1

8 points

Oct 23, 2019 9:01 AM in response to Grant Bennet-Alder

Geez this is really annoying...i can't access that webpage and i can't install it through the appstore as it says "error connecting to the apple ID server"

how exactly do i obtain a DNS through DHCP?

I have an IPv4 Address & Subnet Mask but the Router is blank

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Answer 8

Bdean97 Author

Level 1

8 points

Oct 23, 2019 8:01 AM in response to Bdean97

I've tried using the command

sntp -sS time.apple.com

in terminal, but get an error saying server cannot be reached

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Answer 9

Bdean97 Author

Level 1

8 points

Oct 23, 2019 8:29 AM in response to Bdean97

My current DNS Servers are

8.8.8.8

8.8.0.0

I'm not sure if this is correct

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Answer 10

Bdean97 Author

Level 1

8 points

Oct 23, 2019 8:37 AM in response to Grant Bennet-Alder

Okay, I've corrected the second one.

That's the server I tried yesterday I don't recall what the original server i was connected to

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Answer 11

Bdean97 Author

Level 1

8 points

Oct 23, 2019 8:45 AM in response to Grant Bennet-Alder

I just tried making another admin account on the computer but the problem persists

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Answer 12

Oct 23, 2019 8:33 AM in response to Bdean97

8.8.8.8 is a google DNS server. 8.8.4.4 is the backup one. The one listed first will be used, and ONLY if it does not respond will the second one be used.

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Macbook Pro - Network Errors

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