Error Codes
Most of this list comes from jimmy_f
| Symptom | Likely Cause |
|---|---|
| System/game hangs | GPU or RAM |
| Pressing the power button for 3–5 seconds brings up the Power Menu | GPU |
| Forcing shutdown causes the Switch to make a noise | RAM |
| Black screen with "A fatal error occurred when running Atmosphere" | Probably CPU, can be RAM too |
| Atmosphere blue screen with "An error has occurred" | Probably RAM, can be CPU too |
| System does not boot at all | CPU |
| Game crash with "The software was closed because an error occurred" | Can be anything |
| Graphical glitches (minor) | Most likely GPU |
| Graphical glitches (major) | Most likely RAM |
| "Please connect a controller" screen (controller was not disconnected) | CPU or RAM |
| Orange screen crash | GPU instability or KIP corruption |
| Red screen on boot | KIP Corruption |
| Cyan screen on boot | KIP Corruption |
| Purple screen on boot | Patching fail or NAND Corruption. |
Notes
- Minor graphical glitches generally indicate a GPU issue.
- Major graphical glitches generally indicate a RAM issue.
- Some symptoms can be caused by multiple components, so these are only indicators, not definitive diagnoses.