#Requires -Version 5.1
<#
    JbTecWiz Support Centre -- generated fix script

    Fault : "Plugged in, not charging" or the battery drains while on mains
    Fix   : Reset the ACPI battery driver
    Source: https://jbtecwiz.com/support/win-hw-battery

    Run as     : Elevated PowerShell
    Expect     : 15 minutes
    Risk       : low
    Reversible : yes

    WHEN THIS IS THE RIGHT FIX
    The report looks healthy, the charger is correct, and it still will not
    charge.

    HOW TO UNDO IT
    The device re-enables itself; nothing persistent was changed.

    This script walks the fix one step at a time and asks before each
    one. Steps with no command are things you do yourself -- it prints
    those and waits. Run with -DryRun to print without executing.

    --------------------------------------------------------------------
    NO WARRANTY - USE AT YOUR OWN RISK

    This script is provided by JbTecWiz as-is and with no warranty of any
    kind, express or implied. You run it entirely at your own risk.

    JbTecWiz accepts no liability for any loss or damage arising from its
    use, including but not limited to data loss, downtime, or configuration
    changes that turn out to be wrong for your system.

    You are responsible for reading this script before running it, for
    satisfying yourself that it suits the machine in front of you, and for
    having a working backup first. Some steps cannot be undone.
    --------------------------------------------------------------------
#>

[CmdletBinding()]
param(
    # Print every step and command without running anything.
    [switch]$DryRun,
    # Do not ask before each step. Read the script first if you use this.
    [switch]$Unattended
)

$ErrorActionPreference = 'Stop'
$script:Failed = 0

function Write-Rule { param([string]$Text)
    Write-Host ''
    Write-Host ('-' * 70) -ForegroundColor DarkGray
    if ($Text) { Write-Host $Text -ForegroundColor Cyan }
}

function Show-Prose { param([string]$Text, [string]$Colour = "Gray")
    if (-not $Text) { return }
    $words = $Text -split "\s+"; $line = "  "
    foreach ($w in $words) {
        if (($line.Length + $w.Length) -gt 74) { Write-Host $line -ForegroundColor $Colour; $line = "  " }
        $line += "$w "
    }
    if ($line.Trim()) { Write-Host $line -ForegroundColor $Colour }
}

function Invoke-Step {
    param(
        [int]$Number, [string]$Do, [string]$Why,
        [scriptblock]$Command, [switch]$Manual, [string]$Shell = "powershell"
    )
    Write-Rule "  Step $Number of 4"
    Show-Prose $Do "White"
    if ($Why) { Write-Host ""; Show-Prose $Why "DarkGray" }

    if ($Manual) {
        Write-Host ''
        Write-Host '  -> Do this yourself, then press Enter to carry on.' -ForegroundColor Yellow
        if (-not $Unattended -and -not $DryRun) { [void](Read-Host) }
        return
    }

    Write-Host ''
    foreach ($l in ($Command.ToString().Trim() -split "`n")) {
        Write-Host ("    " + $l.Trim()) -ForegroundColor Green
    }
    Write-Host ''

    if ($DryRun) { Write-Host "  (dry run -- not executed)" -ForegroundColor DarkGray; return }
    if (-not $Unattended) {
        $a = Read-Host "  Run this step? [Y]es / [S]kip / [Q]uit"
        if ($a -match "^[Qq]") { Write-Host "  Stopped at your request."; exit 0 }
        if ($a -match "^[Ss]") { Write-Host "  Skipped." -ForegroundColor DarkGray; return }
    }
    try { & $Command }
    catch {
        $script:Failed++
        Write-Host ("  Step $Number failed: " + $_.Exception.Message) -ForegroundColor Red
        Show-Prose "The rest of the fix may depend on this. Read the write-up before carrying on." "Red"
        if (-not $Unattended) {
            $c = Read-Host "  Carry on anyway? [y/N]"
            if ($c -notmatch "^[Yy]") { exit 1 }
        }
    }
}

Write-Rule
Write-Host '  "Plugged in, not charging" or the battery drains while on mains' -ForegroundColor White
Write-Host '  Reset the ACPI battery driver' -ForegroundColor Cyan
Write-Host ''
Write-Host '  Risk: low   Reversible   15 minutes'
Write-Host ''
Show-Prose 'No warranty. Use at your own risk - JbTecWiz accepts no liability. Read it before you run it, and have a backup.' 'DarkYellow'
Write-Rule

if (-not $Unattended -and -not $DryRun) {
    $go = Read-Host '  Ready? [y/N]'
    if ($go -notmatch "^[Yy]") { Write-Host "  Nothing was changed."; exit 0 }
}

Invoke-Step -Number 1 -Do 'List the battery devices.' -Command {
    Get-PnpDevice -Class Battery | Format-Table FriendlyName,Status,InstanceId
}

Invoke-Step -Number 2 -Do 'Remove the Microsoft ACPI-Compliant Control Method Battery device. Windows reinstalls it on the next scan.' -Why 'The embedded controller and Windows can disagree about the battery state after a firmware update or a deep discharge. Re-enumerating forces both to re-read it.' -Command {
    Get-PnpDevice -Class Battery -FriendlyName '*Control Method Battery*' | Disable-PnpDevice -Confirm:$false
    Get-PnpDevice -Class Battery -FriendlyName '*Control Method Battery*' | Enable-PnpDevice -Confirm:$false
}

Invoke-Step -Number 3 -Do 'Shut down, disconnect mains, hold the power button for thirty seconds, then reconnect and boot.' -Manual

Invoke-Step -Number 4 -Do 'Update the BIOS or embedded controller firmware from the manufacturer -- charging logic lives there, not in Windows.' -Manual

Write-Rule "  Confirm it worked"
Show-Prose 'The battery reports a charging state on mains.' 'White'
Write-Host ''
if (-not $DryRun) {
    Get-CimInstance Win32_Battery | Format-List Name,BatteryStatus,EstimatedChargeRemaining
}

Write-Rule
if ($script:Failed -gt 0) {
    Write-Host ("  Finished with " + $script:Failed + " failed step(s).") -ForegroundColor Yellow
    Show-Prose 'Read the full write-up at https://jbtecwiz.com/support/win-hw-battery' 'Yellow'
} else {
    Write-Host '  Finished.' -ForegroundColor Green
}
Write-Host ''
Show-Prose 'To undo: The device re-enables itself; nothing persistent was changed.' 'DarkGray'
Write-Rule