when laptop restarted my 1TB HDD D drive has disappeared Acer Aspire 7 715 71G

DB20
DB20 Member Posts: 4 New User
edited July 12 in Aspire Laptops

Hi Just changed out one of my 4GB DDR for a 8GB all good. Then when laptop restarted my 1TB HDD D drive has disappeared. looking at system not there Tried Task manager and various other Google suggestions but no joy. Can anyone help?

[Edited the thread to add issue detail]

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