Run-
CMD - type "DISKPART" and Enter  without quote
type "volume list"
select volume to hide
sample volume 0--- "select volume 0"
sample volume 0 is drive D: -- type " remove letter D"

TO UNHIDDEN
type"assign letter D"

refresh your computer

HDI Support Center Analyst (HDI-SCA)
Do you have the interpersonal helpdesk skills employers want? Support Center Analyst (SCA) certification from the Helpdesk Institute (HDI) says you do.

If you'd like to work in an IT support center, earning SCA certification is the best way to start. As a certified SCA, you'll know how to address customer support issues from first point of contact to successful resolution.

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