No CD/DVD Drivers After Installing USB Drivers - Microsoft Community

so looking restore dell image (win 7 pro sp1 64bit) downloaded correct service tag's drivers. loaded image on both usb 2.0 , usb 3.0 drive. downloaded intel(r) usb 3.0 extensible host controller driver

when got office morning, used dism install usb 3.0 drivers both drives. 

created c:\temp

created c:\temp\drivers

created c:\temp\mount

moved install.wim , boot.wim files c:\temp

cmd admin > cd c:\temp

dism /mount-wim /wimfile:boot.wim /index:2 /mountdir:mount > completes successfully

dism /image:mount /add-driver:"drivers/usb" /recurse > completes successfully

dism /unmount-wim /mountdir:mount /commit > saves , unmounts without issue

dism /mount-wim /wimfile:install.wim /index:3 /mountdir:mount > completes successfully

dism /image:mount /add-driver:"drivers/usb" /recurse > installs successfully

dism /unmount-wim /mountdir:mount /commit > saves , unmounts without issue

copied new boot.wim , install.wim c:\temp > replaced files on bootable usb/sources/

insert usb 3.0 usb 2.0 , usb 3.0 slots > cd/dvd driver missing

-- remounted install.wim , placed extracted usb driver files x:\users\public\documents > commit , unmount wim > replace on exisiting install.wim > unable find drivers

once hit cd/dvd driver missing, removed usb , re-inserted, press ok > no change (saw sort of answer, worth try). 

this happening on oem iso of windows 7 pro 64-bit

i working on installing driver onto usb 2.0 drive...if not work, @ installing additional chipset drivers. anyhelp appreciated, haven't had of issue getting installation work. 

Windows / Windows 7 / Install, upgrade, & activate