disk utility not recognizing external hard drive

The solution will depend on the result of the diagnosis. What to do with an unrecognized external hard drive after shock or fall?Īfter the diagnosis, you can move on to fixing the problem. If your external hard sizzles, do not hesitate to consult this article for more information on the problem. This noise means your disk can no longer read the Servo track or system area. Le slam in question here is abnormal and signals a problem with your support. If you don't use it for a while, it will make a noise when going to sleep. As soon as you access the data present on your medium, you will also hear a clicking sound. At start-up, for example, you hear a sort of hum. If you've been using your external hard drive for a while, you probably knew that it normally emits noise at times. Check if your drive is making an abnormal clicking noise If he is not there, you can continue with the diagnosis. In this case, it may be Windows that does not recognize your disk. If all goes well, your disk should end up in the list. You will get a list of devices currently connected to your computer. Depending on your PC manufacturer, you must then go to ' Start-up 'Then' Boot Device ' or ' Boot 'Then' BIOS DevicePriority '. Use the key or the combination to access the BIOS then choose ' Advanced Bios features '. You must then observe on the screen the key or the combination of keys which allows access to it, preceded by the word ' Setup '. To access the BIOS, it is necessary to restart your computer. Since the BIOS is the first program that launches when your PC starts up, it is the most basic level of recognition by your computer of peripherals. If the disk manager does not recognize your device, you will have to check if it is recognized by the BIOS. Check if your drive is physically recognized in the BIOS If, on the other hand, your disk is not in the list, the problem is more complex and you will have to carry out other checks. This option is not desirable, since it will cause you to lose your data. If your disk is there, you will need to initialize it and then format it. You can see the list of all your devices. On Mac, go to the Application/Utility Folderthen run disk utility. In Windows, go to ' Disk management » directly after right-clicking the menu icon Start. In the case of a external hard drive dropped and not detected, the first stage of diagnosis begins with a ride through your disk manager (under Windows) or in disk utility (under Mac). It is therefore necessary to make the diagnosis to know the seriousness of the breakdown: Check if your disk is recognized by disk manager

They range from a damaged component to a complete deterioration of the disk. How to make the diagnosis for an unrecognized external hard drive after shock or fall?ĭepending on the violence of the shock or the fall of the disc, the damage caused can vary greatly.

Disk utility not recognizing external hard drive