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mac laptops troubleshooting communication issues apple support jo apple mac ipad iphone watch airpods tv home entertainment support where to buy mac laptops troubleshooting communication issues note this procedure is intended for 2024 and later mac laptops with apple silicon troubleshooting bluetooth or wi fi issues identify issues read the relevant support articles if you notice any of the following issues bluetooth service is unavailable bluetooth setting won t turn on can t pair the computer with a bluetooth accessory the computer intermittently loses connection with a paired bluetooth accessory data transfer using a bluetooth accessory times out or is slow wi fi service isn t available can t turn on wi fi can t connect the computer to a wi fi network wi fi connection is intermittently lost wi fi signal is poor relevant support articles resolve wi fi and bluetooth issues caused by wireless interference if your mac isn t connecting to the internet over wi fi recommended settings for wi fi routers and access points if the issue wasn t resolved by following a support article continue to the next section try quick troubleshooting steps inspect the computer for liquid damage contact with liquid can short internal circuits and cause the computer to malfunction restart the mac ensure that the date and time are set correctly on the mac for wi fi issues go to system settings wi fi verify that you can turn wi fi off and on again retest for the original issue follow steps in reset or remove wi fi network settings on mac check wi fi signal strength if it s low move closer to wi fi router or hotspot for bluetooth issues go to system settings bluetooth verify that you can turn bluetooth off and on again retest for the original issue follow steps in connect a bluetooth device with your mac to remove and pair the device again remember that bluetooth has a very limited range and won t operate at longer distances if you can connect to the internet from a different wi fi network or when using a wired ethernet connection connect to that network then update macos on the mac refer to connect to the internet with your mac for more information refer to steps and support resources in troubleshooting quick checks run manual and diagnostic tests if the issue wasn t resolved by following a support article or trying the quick troubleshooting steps run these manual and diagnostic tests to help isolate the cause of the issue attempt to start up the computer in diagnostics mode if possible attempt to join a wi fi network while the mac is in diagnostics mode if wi fi works in diagnostics mode the issue is likely software or macos related and the computer may not need hardware repair if wi fi doesn t work in diagnostics mode the issue is likely hardware related and you should continue to the next step run the mac resource inspector mri diagnostic suite check diagnostic results for the presence of wireless hardware note if you can t connect the computer to the internet with wi fi use a usb c to ethernet adapter and an ethernet cable to connect the computer to the internet and run diagnostic tests with a wired connection an example adapter is the belkin usb c to 2 5gb ethernet adapter available on the apple store open and inspect the computer if the issue wasn t resolved or isolated by following support articles or running diagnostics tests refer to the computer s repair manual to open and inspect the computer a damaged or out of place part may be causing one of the issues follow repair manual procedures to remove the bottom case and disconnect the battery from the logic board inspect internal parts and the enclosure for indications of physical or liquid damage contamination or burned or darkened areas inspect all relevant internal flex cables and connectors for damage or tampering such as a film or foreign material blocking a connector locate the antenna coaxial cables on the logic board unplug and inspect the cables and connectors for any signs of pinched wires or connector damage also inspect for logic board pin damage reseat the antenna coaxial cable connectors to the logic board if the issue is resolved or inspection reveals no issues complete the reassembly if diagnostic results or inspection identified a faulty part continue to the next section if the issue persists without identifying a specific part continue to the next section for logic board replacement note this section requires ordering parts and tools replacing a part may not resolve the device s issue you can find other service options at support apple com repair replace the part if the issue wasn t resolved or isolated by following the previous steps replace the following parts one at a time in the order shown after you replace the first part run the post repair diagnostics and perform functional testing to determine if replacing a part resolves the issue if the issue still isn t resolved replace the next part replace the vent antenna module which contains the wi fi and bluetooth antennas replace the logic board repair completion depending on the part replaced repair assistant may be available on the device to finish the repair learn how to initiate repair assistant post repair verification run the following diagnostic suite after the repair mac resource inspector mri to test overall functionality after the repair is completed turn on the computer for bluetooth pair with a functioning bluetooth device and verify that the connection is sustained for several minutes for wi fi connect to a functioning wireless network and retest data throughput checking for adequate transfer speeds verify that the wireless connection is sustained for several minutes note this section requires ordering parts and tools replacing a part may not resolve the device s issue you can find other service options at support apple com repair go to top published date march 11 2026 table of contents helpful yes no character limit 250 maximum character limit is 250 please don t include 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