pantalla bloqueada

Se me acaba de quedar mi tomtom go con la pantalla de arranque   fija y no arranca ni puedo apagarlo . He quitado la tarjeta y la he vuelto a poner  y no hace nada . Como puedo apagarlo

Lo siento
Tengo este Tomtom:
[TomTomGo]
DeviceName=TomTom GO 710
DeviceVersionHW=GO 710
DeviceSerialNumber=V5
DeviceUniqueID=
RamDiskVersion=20120321
BootLoaderVersion=55120
LinuxVersion=0
ApplicationVersionVersionNumber=9450
ApplicationVersion=890926.98
UserLanguage=Español
UserName=
LastConnectionTime=2016/08/22,00:18:27,UTC
LastConnectionPhone=
GPSFirmwareVersion=GSW3.2.4TT_3.1.00.12-C35B1.02
BuiltInColorScheme0=Belgica
BuiltInColorScheme1=Brittanica
BuiltInColorScheme2=America
BuiltInColorScheme3=Germanica
BuiltInColorScheme4=Australia
BuiltInColorScheme5=Deuteranopia
BuiltInColorScheme6=Greys
BuiltInColorScheme7=Antarctica
BuiltInColorScheme8=Africa
BuiltInColorScheme9=Astra
BuiltInColorScheme10=Asia
BuiltInColorScheme11=Brasilia
BuiltInColorScheme12=Concordia
BuiltInColorScheme13=NewAnglia
CurrentColorSchemeBuiltIn=11
CurrentVoiceInfo=Carmen
CurrentMap=Europe_975_7688
CurrentMapVersion=975.7688
Traffic=N
CurrentFuelpricesType=
CurrentFuelpricesTypeString=
CurrentFuelpricesLastFullUpdate=
ValueRatio=ARqfz9J+7RByCTbcsg==
Features=PlusOrRDSTMCTraffic,PlusSafetyCamerasDynamic,PlusSafetyCamerasStatic,PlusFuelPrices,HDTraffic,Hercules,HerculesTraffic,Oxford,TrackMe,PlusTripReporting,OnDevicePayments,HidRemote,HomeBackup,GPRSEngine,VoiceRecording,ASR,ASRCnC,TTS,TTSCompressed,TTSLoquendo700,MP3,IPOD,MusicPlayer,PhotoViewer,PhotoJPGViewer,PhotoBMPViewer,VoiceBrowser,LinkVolumeToNoise,MapShare,Newyork,Itinerary,Caymann,Durham,Leeway,Handsfree,PhoneFeatures,CarSymbol,ExtraSounds,UserSkin,RichPOI,FrequentDestinations,PermanentMapCfg,RDSTMC,Prague,Bluetooth,SDSlot,Microphone,ExternalModem,SMSSupported,LiveServices,SettingsOverride,SDK,USBAccessories,HTTPActivation,MultipleMaps,Traffic,MapOverlays,Documents,WarningSounds,ArrivalSounds,DangerZonesCameras
UnsupportedFeatures=PlusDownloadDynamic,PlusDownloadGeneral,PlusDownloadMap,PlusDownloadPOI,PlusDownloadScheme,PlusDownloadUpgrade,PlusDownloadVoice,PlusDownloadRingTone,PlusMessageNotification,PlusForceMessageNotification,PlusPushChannel,PlusTraffic,PlusWeather,PlusEphemeris,PlusBuddies,PlusRoadConditions,PlusFuelPriceTimestamp,TTSUncompressed,TTSNuance51,Games,LinkVolumeToSpeed,ZeroVolumeSupported,CaymannAlwaysOn,MAC,DepartureAdvisor,RouteInfoBackToSummary,VehicleProfile,MapShareVehicleProfile,3DCarModels,TextureRendering,InternalModem,HardDisk,InternalFlash,Keyboard,SupportKeyControl,SupportGetAMap,Work,WorkEnabled,WorkPromotion,WorkTuria,WorkMurcia,WorkBremen,WorkUsePlus,WorkStartUpPromotion,SimpleMapBrowserButtonBar,AltDefaultCarSymbol
SupportedPatchTypes=3F
NrSupportedErrorTypes=138
UserPatchDatVersion=102
CompressedPatchVersion=200
MapServerPatchDatVersion=105
DeletedPoiDatVersion=200
ServerLineIndexDatVersion=102
ServerNameIndexDatVersion=102
MapShareSupportedProviders=243
CharacterSet=TTU
VehicleBrand=
VehicleModel=
VehicleOptions=

Muchas gracias por la ayuda.
Ya lo he podido solucionar .