Determine if Trim is enabled
With SSD drives, they do not use defrag. Defrag will harm the SSD drive. SSD drives use Trim. You need to make sure Trim is enabled or the SSD drive will become slow.
In order to use Trim, you must have Windows 7 or newer operating
system. To find out if Trim is enabled do the following
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Type Fsutil behavior wquery DisabledeleteNotify
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Press Enter
If
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DisableDeleteNotify=0 (the 0 is a zero)
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Trim is enabled
If
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DisableDeleteNotify=1
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Trim is disabled
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To enable trim type fsutil behavior set DisableDeleteNotify 0 - (you might have to reboot afterwards)(the - after DisableDeleteNotify is a zero)
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Press Enter