How to check the health of your hard drive
How to check if your hard drive is dead

All computers some type of Hard drive for storage of your personal data, so we need to ensure the drives are always operational. the first step to troubleshoot if your hard drive is dead is when your computer is booting up and you get a no boot device found. this normally means your motherboard cannot find a drive with an operating system installed. This is normally caused by the boot sector or boot partition accessible which means that the hard drive has some kind of fault. so this error is only fixed by installing a new drive and reinstalling the operating system.

now these are the signs to look for is your hard drive is not dead but the health is failing.
first when the computer boots up and you get an S.M.A.R.t disk error. this normally happens when a system event is triggered on the drive itself signaling that the drive is has encountered a critical error and drive failer is near. after a smart disk error you should allways try to image/copy the data over to a new drive before its too late.
another problem is when your computer is booting slowly, slow booting could be because the computer is having problems reading the data from the drive leading longer read time. with this step you would need to run a third part software to check if your drive has and errors or drive warnings.
we at nerd repair center normally use the HD Tune trial to get the smart data and find out the drive health.
once the software has be installed all need to is check the status and if there are any warnings the its time to replace the drive.