MacBook Pro WiFi can sometimes be connected, sometimes it can t, kneel and beg for guidance 5

Check your wifi advanced settings, whether there is a frequency selection, if so, or the setting is automatic, then please set it to only use one frequency, you can change the frequency. It's solved.

Hold down the option key when you turn it on, and then look at how many partitions there are, and select the Apple disk to enter the Apple system.

1. Click Settings on the desktop and click Network in the settings.

2. Click Advanced under Network, and then click DNS under Advanced.

3. See the DNS addresses inside, click on these DNS addresses, and then click on the - symbol below to clear all the addresses, and then click OK.

4. Then open the browser on the dock and click a**. It is mainly due to DNS problems.

MacBook is a laptop from Apple Inc. in 2015. On March 9, 2015, Apple's spring conference was held at the Yerba Buena New Space Center for the Arts in San Francisco. At the press conference, Apple focused on the release of the new MacBook 12-inch new model, with a new design, divided into gray, silver, and gold three colors, 12-inch Retina graphics resolution of 2304 x 1440, and the processor is Intel Core M low-power processor.

It has a fanless design, which is also the first fanless Macbook.

The new MacBook weighs about kilograms and millimeters thick, making it 24% thinner than the current 11-inch MacBook Air. The motherboard is 67% smaller than the previous version. The trackpad's pressure sensor detects how much force the user is using on the panel, using an innovative stepped battery that increases battery capacity by up to 35%.

The solution to connect your Mac computer to WiFi: Try turning off your Mac's wireless network When you find that your Mac computer can't connect to the wireless network, we can first try to turn off the wireless network. Tap the wireless icon, and then tap the "Turn off Wi-Fi" option.

Then turn on the wireless again and try to reconnect the wireless to see if it can connect. Restart your Mac computer If you still can't turn off your wireless network after trying the above methods, you can also try restarting your Mac and then trying to connect to the wireless network. Restart your router If you still can't connect to the wireless network after restarting your computer, you can try restarting your router.

Because sometimes the router may not be able to connect after running for a long time. Deleting the Wireless Network Cable Configuration There is also a situation where you can successfully connect to a wireless network before, but suddenly one day you find that you can't connect successfully. If this is the case, we have tried the above method as well, and we can also try to delete the wireless profile and then reconnect the wireless.

Or click on the wireless network icon, then click on the "Open Network Preferences" option at the bottom, click on the "Advanced" button in the network management interface, then in the wireless list window, select the name of the wireless network you want to delete, then click the minus button at the bottom, and then click the "Remove" button. Finally, turn off wireless network management and try to reconnect to the wireless network to see if that solves the problem.

I once opened the packet capture tool, but I couldn't access the Internet when the tool was turned off. Finally, in System Settings-Network-Advanced-**There, uncheck all ** and then apply. It may be that the bag grabbing app has made it for me** I'm angry and tinkering for a long time!

Modify DNS address, System Preferences - Network - WiFi - Advanced. Select DNS and modify it.

Turn off your Mac, enter safe mode, detect problems, and if you can connect to the Internet, it should be a cache directory for some application on your computer.

Mac boots into safe mode.

Safe mode. After restarting, it's fine.

Summary. Hello <>

I'll help you analyze your question. First of all, you can try the following solutions: Check if your Wi-Fi connection is working and make sure that you have successfully connected to the correct Wi-Fi network.

To make sure your network is working, try connecting a different device to see if you can surf the web. Reboot your MacBook Air and Wi-Fi router, sometimes restarting the device can fix some temporary network issues. Check your network settings to make sure there are no filters or settings that block connections.

If none of the above methods can solve the problem, it may be due to other reasons that cause you to be unable to connect online. You can consider the following extended supplements.

MacBook+Air is connected to WiFi but can't access the Internet.

Hello <>

I'll help you analyze your question. First of all, you can try the following solutions: Check if your Wi-Fi connection is working and make sure that you have successfully connected to the correct Wi-Fi network.

To make sure your network is working, try connecting a different device to see if you can surf the web. Reboot your MacBook Air and Wi-Fi router, sometimes restarting the device can fix some temporary network issues. Check your network settings to make sure there are no settings that have filters or connections blocked.

If none of the above methods can solve the problem, then the rentable stove can be due to other reasons that cause the Internet to be unavailable. You can consider the following expansion supplements.

You can try to use its Wi-Fi network connection to see if you can use the Internet regularly, if so, then the problem may be on your Wi-Fi network. You can try connecting your MacBook Air to a hotspot for other devices to see if you can surf the internet normally, if it does, then the problem may be with your Wi-Fi router. I hope mine can be helpful to you, if you have any other questions, please feel free to let me know oh <>

Let's do this first:

Reset PRAM and NVRAM

1.Turn off your computer.

2.Find the following keys on your keyboard: Command, Option, P, and R. You need to press these keys at the same time in step 4.

3.Start your computer.

4.Press and hold the command-option-p-r key. This key combination must be pressed before a gray screen appears.

5.Press and hold the above keys until your computer restarts, and you'll hear a startup sound again.

6.Release these keys.

At this point, your computer's pram and nvram have been restored to their default values. On some models, the clock setting may revert to its default date.

If not, go to the router settings interface and set the channel to within 10.

If it doesn't work, you can consider it a hardware problem.

ProCan't connect to the wifi at home,But the iphone can,ProI can search my home's wifi but it's connected to the route and the MAC address is bound Only the MAC address you allow can be connected You can check the router,It's really not good to teach you a stupid way,Restore the route to the factory,And then you can connect it from the new debugging。

If you're trying to hack someone else's encrypted network, it's best not to do it. If you can't connect to your own network, check whether there is a conflict between the network settings and the router settings, if there is no problem, please check whether the signal is normal, if it is not a problem, it is unlikely that you will not be able to connect. In addition, you can first try to see if the wired connection can be connected, if there is a wire, it can't be connected, the computer has not been modified, and the network is not in arrears, it is a hardware problem, find a computer master to guide it or take it to the Apple store to check.

In addition, you can do it like this first, turn off the computer, and then press and hold it immediately after turning it on: command+option+p+r (4 keys must be at the same time), release it after hearing 3 "beeps", and then try to connect after booting, the antivirus effect is estimated to be small, but the possibility of poisoning is not ruled out, and it is not impossible to kill it. If you can't do it, just reinstall it or send it to the store.

Step 1: Restart the MAC wireless network card, click the wireless network icon at the top of the desktop, click "Turn off Wi-Fi" in the drop-down menu, and then use the same method, click "Wi-Fi: On" in the drop-down menu to restart the wireless network card.

Step 2: Restart the router If you leave the router on for too long, it may cause the router to overheat, you can try to turn off the router, let it stand for a while, and then turn on the router power, and the problem may be solved.

Step 3: If the problem persists by restarting the system, restart the system and try to solve the problem.

Step 4: Delete the useless wireless network because the wireless network signal is in the same frequency band, which may also cause the problem that the Mac cannot connect to the wifi, at this time, we can solve this problem by deleting the useless wifi.

1. Click on the wireless network icon at the top and select "Open Network Preferences" from the drop-down menu

Steps. 2. In Network Preferences, go to the "Advanced" option.

Steps. 3. Select other useless WiFi names and tap "—" to delete useless networks.

1. Reinstall the driver of the wireless network card.

2. If it still doesn't work, it is useless to reinstall the system, considering the hardware problem, it is recommended to contact the official after-sales service center and the engineer will help check and deal with it.

Hello, please install a wifi driver to link, this is a wifi decoding problem, if mine is helpful to you, please click "", thank you very much!

With a diagnosis, there will be hints.

Kill the virus first, if it is a software problem, please ask whether your MacBook is installed with the system is OS or Windows If it is OS, it is best to ask a professional to try to repair, windows, reinstall the system, if it is not good, it may be a driver problem, it is recommended to detect whether the driver is installed, if not, it is a hardware problem, it is recommended to get a professional after-sales store to repair or replace, it is best to look for an authorized store, I'm afraid that some stores will help you mess up or replace new parts with old parts If it's useful, it's o( o