Toshiba Satellite L650D laptop
Initially 4delays found on the 600GB hard drive, now went up to 13 delays. Few bad sectors found were repaired using HDD Regenerator. Unable to boot into Windows 7 OS, receiving error unable to detect boot disk. Re installing OS does help for few times and receiving same error again.

If need more info, please let me know and I shall post. Thanks in advance for your support and help.

Any solutions other than hard drive replacement?

Does installing Linux help resolve issues?

With bad sectors starting to show, is it worth the risk of *not* buying a new drive?

Based on the symptoms you have described, make sure you have a complete & readable backup of your data:

No.

No.

I do professional refurbishment but you have to send the drive and is not convenient for just 1 hdd. Try finding someone who does the same in your area (not hobbyists).

Thank you my friends digitalferret, BlackST n Vulcan for the inputs.. I've replaced the hard drive with a new one.. but still have data on my old hard drive which I might use as an external drive..

BlackST - I understand the limitations and cost factor. I do have hardware specialists in the area but need the specific refurbishment you suggesting here..

Why are you keeping data on a deteriorating drive? (Unless you don't care about that data, of course...)

In the process of taking back up as we post here..

Good! I hope you are successful. Just remember not to trust your original drive (which has the delays), if you do choose to use it as an external drive.

ask them if they can do it (they must have the necessary know how and equipment).

IMHO it's not worth the time and trouble. Throw it away and buy a new disk.

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On a clear disk you can seek forever.