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I think that I am best off keep using my MacBook Pro until it requires a new OS reinstall or an HDD failure. There may well be some noise from the hard drive at startup.

It’s been a long time since I’ve had a really bad HDD & was like clusters across a then whopping 60GB HDD of the IDE days. Am curious as to whether I should just watch it for now, and replace if gets worse.

When you shut down, the hard drives are parked – literally pulled out of the way of the platters and parked so they cannot contact the drive. When you start up, they unpark – again, lift up and move into position over the platter surfaces, ready to read/write.

I think I might go ahead and do the zero out disk option when I do reinstall OSX again in the future. As far as disk utility goes, it says that my SMART status is "veryfied" I did also used OnyX SMART status veryfication and it turned out to be ok.

The action of parking/unparking drive heads often causes a noise, some drives being much louder than others. Reformatting can fix or remove bad sectors if there are soft errors. After the installer loads select your language and click on the Continue button.

Wait until the operation completes, then quit DU and return to the installer. The problem with this is, you can’t really stop a failing disk from failing.

  • An audio CD will play on any standalone or in-car CD player and in your computer and in modern DVD players.
  • A data CD containing for example MP3 or WAV files will play happily on your computer but is unlikely to play in a standalone CD player or in-car CD player .
  • Audio CDs do not have files or a file system like data CDs and other computer storage media, but consist essentially of a stream of bits on the disc in a single spiral "track" with a TOC index.
  • Audacity does not burn CDs directly but audio files created with Audacity can be used with a CD burning application to create an audio CD.
  • To ensure that you create a CD that will play anywhere it is important to choose the option to burn an "Audio CD" or "Music CD" and not a "Data CD".

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The WD tool couldn’t repair the sector, tried three times. An abnormal shutdown is one that does not involve selecting Shutdown from the menu or pressing the power button on the keyboard or pressing the Power button and selecting Shutdown from the dialog. Holding down the Power button for 5-10 seconds forces a shutdown without the benefit of having the OS and/or the drive finish uncompleted disk transfers. If the cache is both read/write enabled as they mostly are then the cache needs to be flushed before the drive is turned off or there could be data in the cache that hasn’t made it to the platter. The OS also maintains its own disk cache which is periodically flushed to the drive.

Have friends who loves to target practice at bad drives for kicks, just to see how many it takes to shatter the platters. Those hollow point bullets that ping-pongs around once penetration is made doesn’t discriminate at anything, be it soft , or a solid surface. Once made, there’s no method of data recovery possible, and we all leave some personal details behind that’s hard to totally wipe.

In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. If DU reports any errors that have been fixed, then re-run Repair pc software download free latest Disk until no errors are reported. If no errors are reported click on the Repair Permissions button.

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