After Installing SSD with HD Caddy, Laptop won't recognise external HDDs Hardware and Software Hardware by Michael_SB … in the optical drive slot using an [HDD Caddy](http://hddcaddy.eu/). The system runs fine. I still see the original… Re: After Installing SSD with HD Caddy, Laptop won't recognise external HDDs Hardware and Software Hardware by rproffitt I may be duplicating this issue soon on my Win 8.1 Lenovo y510p Yesterday I ordered one of those caddies to place SSD or HDD into the ODD space. Until then there were incidents where drive letters assigned conflicted with a newly added internal drive in desktops. Mind you this may move around with which Windows but until I get my caddy and see … Re: After Installing SSD with HD Caddy, Laptop won't recognise external HDDs Hardware and Software Hardware by Michael_SB Yes, assigning a drive letter worked temporarily in Drive Manager, but the next time I plugged in, it didn't work. Also, I tried to use a colleague's drive, and it didn't even register with Drive Manager, although it worked in my office's Mac - a FAT 32 drive. Anyone have any insight into external drives not registering with Windows? Re: After Installing SSD with HD Caddy, Laptop won't recognise external HDDs Hardware and Software Hardware by rproffitt Update. My caddy for my y510p just arrived so later I'll plug that in with some HDD. Next I'll try some USB sticks to see what happens. There are many prior discussions about USB enumeration and in rare instances having to clean out a certain registry tree to clear the road for Windows to pick a new drive letter. It's an old issue where say … Re: After Installing SSD with HD Caddy, Laptop won't recognise external HDDs Hardware and Software Hardware by rproffitt Another update. It took a while to remember how I found a drive letter manager (or even that name!) So here's the path I took. http://www.sevenforums.com/hardware-devices/112479-windows-7-does-not-assign-drive-letters-external-hdds.html then over to http://www.uwe-sieber.de/usbdlm_e.html It's been updated for Windows 8 and 10 so they've been …