Why Techtool and disk utility reports different SMART status?

my laptop sometimes starts the sign of prohibition, and some start successfully.

I guess it's the HARD drive, that this assumption holds up to what otherwise. All the Apple hardware test has passed including the extended version.

the image below illustrates the tool of technology S.M.A.R.T status report is a failure because of "current pending sector count", while the State SMART Disk utility report is checked.

who should I believe? or should I suspect the flex cable?

Hi chemotkbiloIn, first of all save all your data now. I would tend to believe TT. But you don't have to guess, the best way to find out would be to bring your Mac to any Apple store for a free evaluation.

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