Windows Device Manager
Device error codes, explained without driver-download spam.
Find the code shown in Device Manager, understand the likely cause, use the safest first action, and then retest the affected device.
Code 1This device is not configured correctlyCode 3The driver for this device might be corrupted, or the system may be low on resourcesCode 9Windows cannot identify this hardwareCode 10This device cannot startCode 12This device cannot find enough free resourcesCode 14This device cannot work properly until you restart your computerCode 16Windows cannot identify all the resources this device usesCode 18Reinstall the drivers for this deviceCode 19Windows cannot start this hardware device because its configuration information is incomplete or damagedCode 21Windows is removing this deviceCode 22This device is disabledCode 24This device is not present, is not working properly, or does not have all its drivers installedCode 28The drivers for this device are not installedCode 29This device is disabled because its firmware did not give it the required resourcesCode 31This device is not working properly because Windows cannot load the drivers required for this deviceCode 32A driver service for this device has been disabledCode 33Windows cannot determine which resources are required for this deviceCode 34Windows cannot determine the settings for this deviceCode 35System firmware does not include enough information to configure and use this deviceCode 36This device is requesting the wrong interrupt typeCode 37Windows cannot initialize the device driver for this hardwareCode 38Windows cannot load the device driver because a previous instance is still in memoryCode 39Windows cannot load the device driver; it may be corrupted or missingCode 40Windows cannot access this hardware because service-key information is missing or incorrectCode 41Windows loaded the driver but cannot find the hardware deviceCode 42Windows cannot load the device driver because a duplicate device is already runningCode 43Windows has stopped this device because it reported problemsCode 44An application or service has shut down this hardware deviceCode 45Currently, this hardware device is not connected to the computerCode 46Windows cannot gain access to this hardware device because the operating system is shutting downCode 47Windows cannot use this hardware device because it has been prepared for safe removalCode 48The software for this device has been blocked because it is known to have problems with WindowsCode 49Windows cannot start new hardware devices because the system hive is too largeCode 50Windows cannot apply all of the properties for this deviceCode 51This device is currently waiting on another device or set of devices to startCode 52Windows cannot verify the digital signature for the drivers required for this deviceCode 53This device has been reserved for use by the Windows kernel debuggerCode 54This device has failed and is undergoing a reset