Question External HDD sometimes is detected when inserting in USB, sometimes its not detected in PC (light is off, fan runs) ?

Aug 20, 2022
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If i plug my external toshiba HDD in USB 3.0 port it's not detected in pc (disk management, device manager, mypc). After continous removing and re-inserting the HDD for 10 times its finally detected. Then again after use and ejecting, if reinserted it is not detected.
Everytime HDD fan is running(i feel the vibration), but its light is not ON.

How to check whether its problem with any detecting sensor. Is there seperate sensor for usb detection?

I used HDDscan tool to see S.M.A.R.T and other checks which shows no errors.



https://smarthdd.com/database/TOSHIBA-MQ04UBF100/JU0B0U/ this is the similar details of my harddisk
 
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If i plug my external toshiba HDD in USB 3.0 port it's not detected in pc (disk management, device manager, mypc). After continous removing and re-inserting the HDD for 10 times its finally detected. Then again after use and ejecting, if reinserted it is not detected.
Everytime HDD fan is running(i feel the vibration), but its light is not ON.

How to check whether its problem with any detecting sensor. Is there seperate sensor for usb detection?

I used HDDscan tool to see S.M.A.R.T and other checks which shows no errors.
Does it do the same thing on all usb ports?

If you plug it into a different machine does it do the same thing?
 
Aug 20, 2022
4
0
10
0
Does it do the same thing on all usb ports?

If you plug it into a different machine does it do the same thing?
yes tried in all usb ports. Still not working, I tried inserting in linux machine too, still not detected in pc but harddisk fan is running(light is not ON)
 

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