Unable to detect External Drives

Tech Advise:1

In safe mode go to devise manger.
↣ Go to start >> run >> type in
devmgmt.msc
↣ On the device manager window click on CD DVD
↣ Delete both devices.  CD/DVD

Also, delete your secondary IDE controller.  Then reboot windows and wait for the IDE controller and drive software to be re-loaded. this is live tech pc support, live tech support

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Files & Topics Related to How to Fix external drive error

↣ External HDD not detected
↣ External hard disk not showing
↣ Hard disk not detected in bios