Audio & Sound Output

Audio missing completely during gameplay Audio only from one TV speaker or channel Background music plays but sound effects do not Distorted or garbled console audio output Intermittent audio dropouts when console is moved Loud hum or buzzing on audio output No audio when using RF connection but video present No audio when using composite or SCART cables Volume very low even at maximum TV setting Wrong or mismatched sound effects during play

Cartridge & Media Reading

Cartridge only works when held at an angle Cartridge slot feels loose or wobbly Console shows blank screen with cartridge inserted Console shows error or scrambled graphics on start Games only start after repeated power cycles Games frequently freeze shortly after loading Some cartridges work while others never load Visible corrosion or damage inside cartridge slot Visible pins bent or misaligned in cartridge slot Wiggle of cartridge causes resets or glitches

Connectivity & Expansion

AV or SCART adapter not fitting securely Expansion port accessories not detected External add-on (e.g. CD unit) not powering External add-on powers but not recognised by console RF switch box not switching between TV and console Signal lost when cable or adapter is touched Third-party cables not working but originals do TV reports no signal on all console inputs Video or audio changes when cable is moved slightly Visible damage to AV or RF connector on console

Controller & Input Ports

Buttons sticking or not returning properly Console not responding to any controller input Controller only works in one specific port Controller port feels loose or damaged Directional pad registering wrong directions Intermittent input when cable is moved Player two port not working at all Rapid unintended inputs or character movement Start or select buttons not recognised Visible bent or missing pins in controller port

Display & Video Output

Black and white image instead of colour Console powers but TV shows no signal Faint or very dark image on screen Image rolling, unstable or not locking Interference or static when using RF connection Lines, bars or noise across the picture Picture disappears when cable is touched Wrong aspect ratio or image cropped on screen Wrong region output for connected display Visible damage to video output connector

Physical Shell & Mechanical Parts

Cartridge door or flap not opening correctly Case cracked, warped or heavily yellowed Console rattles when moved or tilted Label or serial sticker missing or damaged Original screws missing or replaced incorrectly Power or reset buttons physically stuck Ports misaligned with outer shell openings Previous case modification or cut-outs present Rubber feet missing causing instability Visible liquid damage or staining on shell

Power Supply & Power Input

Console does not power on at all Console powers on then immediately shuts off Console resets when lightly bumped or moved External power brick gets very hot in use Incorrect or third-party power supply in use Loose or wobbly power connector on console Power LED flickers or does not light reliably Sparks or noise when plugging in power supply Suspected wrong voltage used previously Visible damage to power socket or plug

Save Data & Memory Functions

Console reports no memory or save pack detected Game save data randomly disappears Games cannot create new save files Memory card only works in one specific slot Memory card or pack not recognised intermittently Save data corrupt messages appear frequently Save pack contacts visibly dirty or corroded Time or date settings never retained Unable to delete or manage save files Visible battery on board suspected to be dead

Startup & Runtime Behaviour

Console boots to logo then freezes Console intermittently fails to start Console resets randomly during gameplay Console stuck on a single screen or menu Games run but with frequent lockups Long delay between power on and image appearing No startup chime or expected boot behaviour Startup only successful after multiple attempts Unusual patterns or symbols on startup screen Visible smoke or burning smell previously reported

System Board & Internal Components

Console previously opened or modified internally Known region modification or chip installed Loose internal parts heard when console is moved Obvious missing components on main board Previous liquid damage suspected inside console Previous repair attempt with visible solder work Strong smell of burnt electronics from console Visible corrosion on connectors or components Visible cracked or damaged components on board Visible leaking or bulging capacitors