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# Copyright © 2016, Microsoft Corporation. All rights reserved.
# :: ======================================================= ::
# This is the main script for Bluetooth Troubleshooter.
# This invokes several other scripts to check Bluetooth capabilities and
# several driver errors.
#
# Workflow:
# RC_CheckBT --> Checks whether the machine has a Bluetooth device present on the system
# RC_PendingRestart --> Checks whether any bluetooth device requires restart.
# RC_DriverProblem --> Checks whether any driver has any known driver issue, for which the
# solution already exists in the machine and apply the solution.
# RC_Disabled --> Checks whether any driver is disabled and apply the solution.
# RC_Otherissue --> Check whether driver has any other issue (not mitigated by RC_DriverProblem
# and RC_Disabled) and inform the user to contact oem of the respective
# driver.
# RC_BTRadioOff --> This script will toggle the radio as a last measure to fix the trouble,
# if there are no issues found by the above script.
#
#====================================================================================
# Load Utilities
#====================================================================================
. .\CL_Utility.ps1
#====================================================================================
# Initialize
#====================================================================================
Import-LocalizedData -BindingVariable Strings_Main -FileName CL_LocalizationData
$problemDeviceIDs = $Null
#====================================================================================
# Main
#====================================================================================
if(-not(Test-PostBack -CurrentScriptName TS_Main))
{
Write-DiagProgress -Activity $Strings_Main.ID_PROG_MAIN_Initializing
# Checking for root causes
$IsBluetoothNotExist = .\RC_CheckBT
if($IsBluetoothNotExist -eq $true)
{
#Get the list of unknown USB devices
$unknownDevices = Get-PnpDevice -class USB | Where-Object ({$_.Present -eq $true -and $_.HardwareID -contains 'USB\DEVICE_DESCRIPTOR_FAILURE' -or
$_.HardwareID -contains 'USB\SET_ADDRESS_FAILURE' -or $_.HardwareID -contains 'USB\\UNKNOWN'})
if($unknownDevices -ne $null)
{
$unknownDeviceProperties = Get-DeviceNodeProperties $unknownDevices
#Get all the Bluetooth devices matching ClassGuid NOT present in the host machine
$btDevices = Get-PnpDevice -Class Bluetooth | Where-Object ({$_.Present -eq $false -and $_.ClassGuid -eq '{e0cbf06c-cd8b-4647-bb8a-263b43f0f974}' -and
($_.HardwareID.ToUpper().StartsWith("BTH") -eq $false)})
if($btDevices -ne $null)
{
$bluetoothDeviceProperties = Get-DeviceNodeProperties $btDevices
foreach($unknownDeviceProperty in $unknownDeviceProperties)
{
$foundMatch = $false
foreach($unknownDeviceLocationPath in $unknownDeviceProperty.LocationPaths)
{
foreach($bluetoothDeviceProperty in $bluetoothDeviceProperties)
{
if($bluetoothDeviceProperty.LocationPaths -contains $unknownDeviceLocationPath)
{
[string] $propertyValue = ($bluetoothDeviceProperty.DeviceInstanceId + ';' + $bluetoothDeviceProperty.RadioAddress + ';' + $bluetoothDeviceProperty.IsPresent + ';' +
$bluetoothDeviceProperty.InstallDate + ';' + $bluetoothDeviceProperty.HasProblem + ';' + $bluetoothDeviceProperty.ProblemCode + ';' +
$bluetoothDeviceProperty.LocationPaths)
Write-DiagTelemetry -Property "PossibleBluetoothRadio" -Value $propertyValue
$foundMatch = $true
}
}
}
if($foundMatch -eq $true)
{
[string] $propertyValue = ($unknownDeviceProperty.DeviceInstanceId + ';' + $unknownDeviceProperty.RadioAddress + ';' + $unknownDeviceProperty.IsPresent + ';' +
$unknownDeviceProperty.InstallDate + ';' + $unknownDeviceProperty.HasProblem + ';' + $unknownDeviceProperty.ProblemCode + ';' +
$unknownDeviceProperty.LocationPaths)
Write-DiagTelemetry -Property "UnknownDevice" -Value $propertyValue
}
}
}
}
}
else
{
[int] $btRadioCount = (Get-RadioCount)
Write-DiagTelemetry -Property "RadioCount" -Value $btRadioCount
$IsRebootRequired = .\RC_PendingRestart
if($IsRebootRequired -eq $false)
{
$problemDeviceIDs = Get-BluetoothRootCauses
foreach($problemDeviceID in $problemDeviceIDs.Keys)
{
.\RC_DriverProblem.ps1 $problemDeviceID
.\RC_Disabled.ps1 $problemDeviceID
.\RC_Otherissue.ps1 $problemDeviceID
}
if($btRadioCount -eq 1)
{
[string]$deviceInstanceId = (Get-RadioInstanceId)
GetDeviceInfoAndWriteTrace $deviceInstanceId "HostRadioInfo"
# Toggle/Reset Bluetooth, if only one radio present.
# If there are more than one radio present, toggling the radio
# will make any one radio active nondeterministically.
.\RC_BTRadioOff
}
}
}
}