OK.
With only the W10 drive connected.
Boot > start Chrome > log in.
Go to this page > https://support.goog...r/3024190?hl=en
Just under Step 1 > click the link "Go to the Download your Date [] page."
Go down to Create a New Export..
If you are lucky, there will be a list of your data with ticked boxes. > on the right, click Deselect all > go down the list and tick the boxes > Chrome
Bookmarks, history and other settings from Chrome + Contacts.
Go to the bottom of the page, > click 2. Choose File Type, Frequency and Destination.
accept all the defaults . then click Create Export.
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When your download is completed, on the new window, > click the Download arrow and follow the prompts.