What if computer run into "Bootmgr is missing" or "Hard Drive Failure"

Question

Most of us have the experience of computer run into error,such as bootmgr is missing. The most common reasons for BOOTMGR errors include corrupt and misconfigured files, hard drive and operating system upgrade issues, corrupt hard drive sectors, an outdated BIOS, and damaged or loose hard drive interface cables. Hard drive failure is another frequent error,it is arouse by physical damage or logical error. Once this problem occurs to you, any data stores in it would be in danger.  If you want to Fix Bootmgr Error by yourself. These following steps may be available for you to deal with the problem. Step one. Burn a rescue boot disc or USB drive. You need to download Fix Genius and install it  into a computer ,then insert the CD/USB and run the program to burn it . Step two. boot your computer from CD/USB Enter into the BIOS and change the Boot Device Priority ,then save the changes and exit. Step three.Fix "Bootmgr is missing" or "Hard Drive Failure" Insert the CD/USB then you will enter into the WinPE system, and click the Fix Genius icon there on the desktop. After run up the program, config the parameter according to your problem. This rescuing process would last within minutes. It is the best one I can find among the solutions. As the time past, it is a time information refresh very quickly, Maybe there is a better one for you to fix bootmgr is corrupted and Hard drive failure if you have time to search online. please let me know if you find it, I will be glad with you.

Answer 1

There are some caveats to be aware of when replacing the hard drive! While in theory any SATA drive is compatible, I have experienced problems with a Seagate Momentus 5400.6 500GB and a Western Digital Scorpio Blue 640GB recently.
With my WD drive I have had to adjust the power management settings (using a command line tool called "hdapm") to prevent it from spinning up and down every 20 to 30 seconds, and which was also leading to momentary freeze ups. While this may kill my battery a bit quicker, I'm hoping the drive will at least live an average lifetime. (Batteries may be more expensive, but they're a lot quicker to replace than a hard drive).
My Seagate drive has exhibited far less frequent problems but the occasional noises it made have never sounded healthy and after 6 months is now being replaced under warranty. There were also a number of days where I would get excessive beachballing for no reason I could identify, and that I concluded must be hard disk related. I couldn't find anything here or elsewhere on the internet to indicate what the cause of that might be.
So my limited experience of hard disk replacement hasn't been a great success and I'm beginning to wonder if getting an official replacement from Apple might be a safer option in the long run, despite it being more expensive. I read somewhere that the hard disks supplied by Apple have custom firmware that works better with Apple's own power management strategies.