I have a 750 gig My Book and a newer 2 TB My Book, both of which work fine if they are detected by my Windows 7 Lenovo Thinkpad T530. When I power up from off, both drives are detected. If I restart, both drives are detected. But if I put the computer into sleep mode (standby) and disconnect the usb cables to travel, when I wake the computer up neither drive is detected in any of the USB 3 ports or the USB 2.
I have run the USB cables through two different hubs, and directly to the USB ports. I have connected the power bricks directly to wall sockets bypassing surge protectors.
I have tried different USB cables.
I made sure that the computer’s BIOS was updated to the most current version.
I configured properties so that the USB ports won’t power off automatically.
No matter what I do, I can be confident that if I put the computer to sleep, it won’t wake up the My Books when I wake up the computer again. Makes no difference whether I connect the USB cables before or after the computer wakes up. Makes no difference if I try connecting only one of the My Books instead of both of them.
In device manager I found this flag: “Windows cannot load the device driver for this hardware because a previous instance of the device driver is still in memory. (Code 38)”
Would appreciate a solution.