Encountering errors or issues when trying to reinstall macOS can be frustrating, but there are a few steps you can take to troubleshoot the problem:
1. Check Internet Connection: The "Can't reach server" error could be related to your internet connection. Make sure you're connected to a stable and reliable network before attempting to reinstall macOS.
2. Check Date and Time Settings: Incorrect date and time settings can sometimes cause errors during the installation process. Ensure that your Mac's date and time settings are accurate.
3. Try a Different Wi-Fi Network: If you're encountering server-related errors, trying a different Wi-Fi network might help. Sometimes network restrictions or firewalls can prevent proper communication with Apple's servers.
4. Reset NVRAM/PRAM: Resetting the NVRAM (non-volatile random-access memory) or PRAM (parameter random-access memory) can sometimes resolve boot-related issues. To do this, restart your MacBook and immediately hold down the Option, Command, P, and R keys. Keep holding until you hear the startup chime for the second time, then release the keys.
5. Use a Bootable Installer: If you're still having trouble with the internet recovery method, you can create a bootable USB installer for macOS. This involves using another Mac or accessing a public computer to create a bootable installer on a USB drive. You can find instructions on how to create a bootable installer on Apple's official support website.
Create a bootable installer for macOS - Apple Support
Additionally, since you mentioned encountering "error 8," it's important to note that specific error codes can provide more insight into the problem. If you're able to provide the exact error code or message you're receiving, it might help in identifying the underlying issue and finding a solution.
Always make sure to back up your important data before attempting any troubleshooting steps that involve reinstalling macOS, as it can result in data loss.