Guide directory

All guides

Connection frameworks first—keep yours when the path already works. Every guide links back to the Engine with preselected devices where useful.

Updated: 2026-10-18

Display & connection problems

Display & Connection Solver

Interactive: no signal, stuck refresh rate, USB-C / DisplayPort / HDMI / dock limits, part by part.

External monitor not detected / no signal

Fix order from input menu to USB-C “Display connection might be limited”.

Monitor stuck at 60 Hz

Find the part that caps refresh; calculated ceilings per link.

USB-C dock & adapter display limits

Alt Mode lanes vs USB 3 data, DisplayLink, Thunderbolt streams, MST.

USB-C laptop → 4K monitor

Alt Mode / Thunderbolt one-cable paths to 4K USB-C panels, including portable power-split notes.

Laptop → docking station

When a dock is required vs KEEP a simpler path.

Thunderbolt dock one-cable 4K/120

Host, PD, bandwidth—and when a dock is unnecessary.

USB-C hub vs dock

Hub vs dock decision framework with one-cable honesty.

USB4 vs Thunderbolt 4 · monitors

Label overlap, monitor paths, verify the port.

USB-C → HDMI adapter path

Alt Mode failure tree; DisplayLink last resort only.

MacBook → HDMI display

MacBook HDMI adapter/path keep-yours framing.

iPad USB-C → monitor / HDMI

Cited model-tier matrix + Stage Manager external list.

USB-C phone → monitor

Phone DP Alt Mode honesty; adapter when needed.

USB-C PD charger compatibility

Wattage / EPR framing; KEEP OEM when enough.

DisplayPort monitor connection path

DP input paths from USB-C/TB hosts.

Console & handheld display hub

PS5, Xbox, Switch 2, Steam Deck, ROG Xbox Ally, Legion Go: official no-signal recovery, 120 Hz rules, wrong advice corrected.

Steam Deck external display

Direct cable vs Valve dock PD/HDMI/DP limits.

PS5 HDMI cable path

Ultra High Speed class; KEEP supplied cable when modes work.

PS5 → 1440p monitor

Console HDMI to 1440p gaming monitors.

Xbox Series display compatibility

FreeSync / Allow 4K / 1440p120 checklist vs PS5 twin.

HDMI capture / passthrough

Play-only skips capture; record/stream topology only when needed.

Nintendo Switch 2 → display path

Keep official dock + Ultra High Speed HDMI; no Alt Mode assumption.

Console → AVR / HDMI feature passthrough

Direct TV + eARC vs AVR in video path—differentiated from capture.

Dual-monitor: MST vs Thunderbolt

Keep-TB / don’t-buy-MST; Apple display limits cited.

Can’t enter BIOS but Windows starts

Fast Boot troubleshooter: no-BIOS vs no-POST, firmware Fast Boot vs Windows Fast Startup, one user-tested Gigabyte case.

Exact-pair examples

MacBook Air M5 → Dell U2725QE · PS5 → Dell U2725QE

Open Compatibility Engine →