The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Explanatory guides for Playstation 4 (1 member)
- Explanatory guides for Playstation 4 Pro (1 member)
- Explanatory guides for Playstation 4 Slim (1 member)
- Explanatory guides for Printers (3 members)
- Explanatory guides for RTX 2060 (5 members)
- Explanatory guides for RTX 2070 (5 members)
- Explanatory guides for RTX 2080 (5 members)
- Explanatory guides for RTX 2080Ti (5 members)
- Explanatory guides for RX 460 (7 members)
- Explanatory guides for RX 470 (7 members)
- Explanatory guides for RX 480 (7 members)
- Explanatory guides for RX 560 (7 members)
- Explanatory guides for RX 570 (7 members)
- Explanatory guides for RX 5700 (4 members)
- Explanatory guides for RX 5700XT (4 members)
- Explanatory guides for RX 580 (7 members)
- Explanatory guides for RX 590 (7 members)
- Explanatory guides for Raspberry Pi (4 members)
- Explanatory guides for Resistors (1 member)
- Explanatory guides for Television/Monitors (2 members)
- Explanatory guides for Televisions/Monitors (0 members)
- Explanatory guides for Thinkpad L412 (1 member)
- Explanatory guides for Thinkpad L420 (1 member)
- Explanatory guides for Thinkpad L421 (1 member)
- Explanatory guides for Thinkpad L430 (1 member)
- Explanatory guides for Thinkpad L512 (1 member)
- Explanatory guides for Thinkpad L520 (1 member)
- Explanatory guides for Thinkpad L530 (1 member)
- Explanatory guides for Thinkpad T400s (1 member)
- Explanatory guides for Thinkpad T410 (1 member)
- Explanatory guides for Thinkpad T410i (1 member)
- Explanatory guides for Thinkpad T410si (1 member)
- Explanatory guides for Thinkpad T420 (1 member)
- Explanatory guides for Thinkpad T420i (1 member)
- Explanatory guides for Thinkpad T420s (1 member)
- Explanatory guides for Thinkpad T420si (1 member)
- Explanatory guides for Thinkpad T430 (1 member)
- Explanatory guides for Thinkpad T430i (1 member)
- Explanatory guides for Thinkpad T430s (1 member)
- Explanatory guides for Thinkpad T430si (1 member)
- Explanatory guides for Thinkpad T510 (1 member)
- Explanatory guides for Thinkpad T510i (1 member)
- Explanatory guides for Thinkpad T520 (1 member)
- Explanatory guides for Thinkpad T520i (1 member)
- Explanatory guides for Thinkpad T530 (1 member)
- Explanatory guides for Thinkpad T530i (1 member)
- Explanatory guides for Thinkpad W510 (1 member)
- Explanatory guides for Thinkpad W520 (1 member)
- Explanatory guides for Thinkpad W530 (1 member)
- Explanatory guides for Thinkpad X220 (1 member)
- Explanatory guides for Thinkpad X220 Tablet (1 member)
- Explanatory guides for Thinkpad X220i (1 member)
- Explanatory guides for Thinkpad X220i Tablet (1 member)
- Explanatory guides for Thinkpad X230 (1 member)
- Explanatory guides for Thinkpad X230 Tablet (1 member)
- Explanatory guides for Thinkpad X230i (1 member)
- Explanatory guides for Thinkpad X230i Tablet (1 member)
- Explanatory guides for Transistors (1 member)
- Explanatory guides for VivoBook S551LA (1 member)
- Explanatory guides for VivoBook S551LB (1 member)
- Explanatory guides for Xbox Elite Wireless Controller (1 member)
- Explanatory guides for Xbox Elite Wireless Controller Series 2 (1 member)
- Explanatory guides for Xbox Wireless Controller (1 member)
- Fairphone (2 members)
- Fairphone Phones (1 member)
- Formatting templates (3 members)
- Game Consoles (27 members)
- General Repair Guides (1 member)
- Google (2 members)
- Google Phones (1 member)
- Guide (2 members)
- HDZero (5 members)
- HDZero Drones (4 members)
- HP (2 members)
- HP Television/Monitors (1 member)
- HTC (3 members)
- HTC Game Consoles (2 members)
- Hanns.G (2 members)
- Hanns.G Television/Monitors (1 member)
- Help (1 member)
- Huawei (2 members)
- Huawei Phones (1 member)
- Imported vocabulary (7 members)
- Industrial Devices (0 members)
- LG (3 members)
- LG Television/Monitors (1 member)
- LG Televisions/Monitors (0 members)
- Laptops (45 members)
- Lenovo (10 members)
- Lenovo Laptops (9 members)
- Manufacturer (30 members)
- Medical Equipment (0 members)
- Microsoft (10 members)
- Microsoft Game Consoles (9 members)
- Miniware (2 members)
- Miniware Others (1 member)
- Missing device page (30 members)
- Nikon (2 members)
- Nikon Cameras (1 member)
- Nintendo (5 members)