Recovery mode is not connecting to internet on my MacBook Pro

In Internet Recovery, these low negative thousands error messages indicate that your provided Wi-Fi Network is inadequate in some fashion, and cannot be used (for this purpose) in its current state.

Common problems include:

Hidden Network-name

required use of a proxy server to get Internet access

required use of a login page to get Internet access

Use of a login server or certificate to get Internet access

Use of PPPoE in the Mac to get Internet access (typically only applies to DSL)

Use of Fixed IP address rather than good old DHCP

Variance of the time by more than five minutes

Failure of Router to provide workable DNS server addresses, or providing 0.0.0.0 [may produce -2002f]

If you have an Ethernet port, you may in some cases be able to move your Mac close to the Router and connect to the Router using Ethernet.

The higher the number, the more obscure the problem.

If your battery was completely depleted, the Date&Time could have reverted to the default, which will not work. There is a terminal command to reset to current Internet Date&Time -- post back for assistance.

If your Mac starts up to error -1008F

If your Mac starts up to error -1008F - Apple Support

<< error code 1008f >>

If your Mac starts up to error -1008F, that's a Wi-Fi problem.

If your Mac starts up to error -1008F - Apple Support

But if you are making a good Ethernet connection, Wi-FI is NOT required.

MacBook Pro 2019 with Intel processor can sometimes benefit from SMC reset. it can;t hurt anything, even multiple times.

Reset the SMC of your Mac - Apple Support

That model-year also has a T2 chip and extra Secure Enclave firmware and data on a special place on the drive. did you use Disk Utility to completely erase the ENTIRE Physical device? if you did, it may now require a Firmware revive or restore to perk up again. if you used the Recovery mode feature "erase all content and settings" you should be good to go.

Erase your Mac and reset it to factory settings - Apple Support

Has this Ethernet connection been working right along, or is this its first use?

How to revive or restore Mac firmware - Apple Support

Please carefully read What to do before you sell, give away, or trade in your Mac.

For Third-party Ethernet, W-Fi, and Bluetooth adapters that required DRIVERS, you need to knew there was recently a Mass-Extinction event.

When MacOS 15 Catalina required all software to be 64-bit capable, vendors who were not willing or not able to re-compile their drivers for 64-bit capability lost the ability to be used on a Mac running 10.15 Catalina or later, Intel or Apple-silicon.

what model-year MacBook Pro?

What was the "fix"?