It is also the reason that SSD drives exist. This happens because the hard drive cannot physically read where your data is. At this point, if your data is on a part of the platter that is corrupted/damaged/unreadable - your computer will exhibit the signs listed above (slowness, beachball, applications not loading). That spindle has an arm on it which moves back and forth to read the data that is on the platter (where your data is stored). Your hard drive is made up of spinning platters that are located on a spindle. The beach ball showing up a lot on your Mac can happen for a few different reasons, but it could also be a sign that your computer's hard drive is having a hard time reading the portion of the hard drive that your application/data is stored on. Your Mac makes strange noises, such as audible clicks or scratching sounds.Overall slow performance than what you are used to.Applications take a long time to open, won't open at all or frequently freeze.Mac is slow to boot up or won't boot up at all.The first signs that your hard drive might need replacement are as follows: While working on and servicing Macs, we see many computers needing hard drive replacements. That being said, we will go over a few signs of what it looks like when a hard drive is close to needing replacement and what the best options are for getting your Mac back up and running! Signs of a Bad Hard Drive
Logic Board Disassembly: iMac Intel 21.One question we get a lot here at CityMac is "how do I know if my hard drive is going bad and when does it need to be replaced?" Hard drive replacements are probably the most common computer repair and it is often the most important because the hard drive is where all of your personal information is stored. I will provide you with some links to different material below! Good Luck!! You can do it without removing your power supply as long as you unplug the power supply cable from the back of the logic board. To answer your question, Yes, you do have to remove the logic board to replace the hard drive cable. It seems like a simple hard drive replacement should do the trick! If disk warrior can repair your directory and get you back to normal, that is perfect. I would recommend running programs like Alsoft’s Disk Warrior to determine the heath of your file directory. Hello! It sounds like your HDD is failing. I don’t see any guides on replacing it, but it appears to run under the logic board, so am I going to have to remove it first? If so, can I take it out without messing with the power supply?
I can plug it into an external adapter and see it (although it only shows up in Disk Management, not in Finder) so I am thinking the problem is the hard drive cable. I have an iMac that isn’t recognizing the internal hard drive at all.
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