Sorry I'm a bit confused, are you saying that you can connect to the web on wifi but not by the ethernet? (Obviously you have been able to connect somehow to make this post). It might help to know which Mac version you are using, and which CCleaner version.
Jun 27, 2011 · "Why can't I connect my Mac to the internet" Most connections work by your Mac connecting to a modem/router, which connects to the internet. Things could be wrong between your computer and the Mar 22, 2017 · The most common issue we hear about when using our USB to Ethernet adapters with a Mac is an inability to connect to the network. If the USB port is functioning properly and the ethernet cable used is not defective, are two common causes that could be to blame. Internet failure is more often than not the main reason behind the "Cannot connect to the App Store" error. Do make sure that the computer is connected to Wi-Fi or the internet is fully functional. Here are the instructions to check if the internet connection is working or not: Go to System Preferences. If your Mac won't connect to Wi-Fi, or if your connection drops out for seemingly mysterious reasons, there are several solutions you can try.
If you don't see the letter "n" then you either don't have a Mac capable of using the technology, or you need to install the 802.11n enabler from Apple. Signal Interference. While distance from the router and the use of old Wi-Fi technology may be slowing your connection, you might also be feeling the effects of signal interference.
Welcome to our Mac Wi-Fi troubleshooting guide, which offers fixes for situations where Wi-Fi isn't working, your Mac refuses to connect to the internet, you MacBook won’t connect to WiFi but If your Mac is suddenly unable to connect to the network, then this usually means there’s a problem with your Internet provider, your router, or an issue with your Mac’s hardware or software. May 15, 2020 · From the top menu bar, click Account and then Sign out. After signing out, sign back in. Open the App Store on your Mac and then click Store (top menu bar) and click Sing Out and then sing back in. If you are using a VPN or proxy to connect to the Internet, disable them to see if that fixes your problem.
Dec 02, 2019 · The steps required to connect a computer to the internet depend on the type of internet access. Most internet access methods used in homes involve a hardware unit called a modem . The modem connects to a physical medium that supports either a phone line (for DSL ), cable internet ( CATV ) line, fiber optic cable, or wireless antenna (for
May 15, 2020 · From the top menu bar, click Account and then Sign out. After signing out, sign back in. Open the App Store on your Mac and then click Store (top menu bar) and click Sing Out and then sing back in. If you are using a VPN or proxy to connect to the Internet, disable them to see if that fixes your problem.