# ERROR PROMPT > [!Warning] READ-ONLY LOCATION SELECTED > Please ensure that the selected render location has write permissions enabled. # GRANT STORAGE LOCATIONS PERMISSIONS - [ ] DaVinci Resolve > Preferences... > System Tab > Media Storage > Media Storage Locations - [ ] √ Add - [ ] Select the Root Folder of each req'd External HDD - [ ] √ Direct I/O - [ ] √ Automatically display attached storage locations - [ ] Proxy Generation Location - [ ] √ Ask when creating > [!Info] GALLERY STILLS and CACHE FILES > - The first media storage location in the Media Storage Locations list will be used to store gallery stills and cache files. > - This location should be permanently connected to your system. ![[BMDResolve 1851 - Media Storage Locations.png]] # CHECK WORKING FOLDERS LOCATIONS Project Settings > Master Settings > Working Folders > ... - [ ] Proxy generation location - [ ] Cache files location - [ ] Gallery stills location > [!Info] > The Working Folder locations should be listed and mounted in DaVinci Resolve's Storage Locations list.