2x 4TB doesn't recognised at the same time?


I have two 4 TB my book products. When I plug them in at the same time, one of them is being recognised by windows only. (They both work seperately without any problems)

It is fine if I plug 3TB, 2TB and 4TB at the same time, all of them are being recognised, no problem at all. (All WD My book)

I dont understand what is wrong, please help to solve this issue.

(By the way I tested this issue with another two PC’s too but same result.)

This is a Windows issue. Check this out  https://wdc.custhelp.com/app/answers/detail/a_id/6571


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