Bad starter solenoid?
Yes, typically a hard drive has 0 bad sectors. Once a drive starts to develop bad sectors it typically means that the drive is failing. If you don't want to replace the drive right now, you should back up your drive and keep the backup current.
what are bad sectors errors
The simple answer is - you cant. However - Windows can 'mark' them so that any data written to the disc avoids the bad sectors.
zerofill in harddisk and bad sectors
You can use bad sector repair software to get bad sectors repaired. Step 1: Start bad sector repair and detect software PartitionGuru and right click the disk that needs detecting bad sectors, and then select the item "Verify or repair bad sectors" Step 2: Click the button "Start Verify" on the interface bad track verification and then PartitionGuru starts to perform a surface scanning to find bad sectors. Before you get started, you can set timeout value or scanning cylinder range by entering exact value. If you are not an expert and have no ideas about these settings, you can just follow default value. Step 3:While verifying bad sectors, PartitionGuru displays detailed information of hard drive sectors. Sectors marked by red blocked means damaged, and these are bad sectors. Severe does not mean bad sector, but it is not in good condition. Step4: When scanning completes, PartitionGuru reports how many bad sectors are found. You can click "Save Report" button to save the scanning result. Step5: Click "Repair" button if you want to repair bad sectors on the "Bad Track Verification" window. Step 6: You'll receive a warning that asks to back up data first. If you have created a backup for important data, click "OK" button. If not, click "Cancel" and backup your files. Step 7: Another warning message from PartitionGuru, which tells repairing bad sectors does not equal to recovering files and you should recover data first. Click "OK" if file recovery is not needed. If you want to recover data, you should click "Cancel" and use "File Recovery" function to scan the disk to find lost data. Step 8: When the repairing process complete you'll receive following message. Click "OK" button and close the software.
Bad sectors typically form from some type of damage. It is usually physical damage, but it could be any kind of damage that keeps the OS from reading it.
run chkdsk to mark them bad, or use PBD(Partition Bad Disk) to isolate the bad sectors.
Chkdsk utility
any eye and butt will explode
No. Chkdsk may find disk errors relating to bad sectors. You want to correct these errors, locking out the bad sectors, before you defragment the disk. This is because a defrag will rearrange vast amounts of information that is on the disk, and you don't want portions of previously-readable files moved to bad sectors and be thus made unreadable.
Try <A href="www.goodlucksoft.com">PBD(Partition Bad Disk) to isolate bad sectors and fix the bad sector problem.</A>