Dell
Key: F2 (or F12 for boot menu)
Press the F2 key repeatedly as soon as the Dell logo appears during startup. For boot menu, use F12.
HP
Key: F10 or ESC
Press ESC repeatedly at startup to access the startup menu, then press F10 for BIOS setup. Some models use F2 or F6.
Lenovo
Key: F1, F2, or Enter
Press F1 or F2 repeatedly during startup. ThinkPad models may use Enter, then F1. Some models have a dedicated Novo button.
Asus
Key: F2 or Delete
Press F2 or Delete key repeatedly during boot. Some models use F9 for boot menu.
Acer
Key: F2 or Delete
Press F2 or Delete repeatedly during startup. Some models require pressing F2 while holding Fn key.
Microsoft Surface
Key: Volume Up + Power
Power off device. Press and hold Volume Up button, then press and release Power button. Continue holding Volume Up until UEFI/BIOS screen appears.
$bios = Get-CimInstance Win32_BIOS
$disks = Get-CimInstance Win32_DiskDrive
$system = Get-CimInstance Win32_ComputerSystem
$report = [PSCustomObject]@{
ComputerName = $system.Name
Manufacturer = $system.Manufacturer
Model = $system.Model
BIOSSerial = $bios.SerialNumber
Disks = $disks | ForEach-Object {"$($_.Model): $($_.SerialNumber)"}
}
$report | Format-ListDell
Use service tag or express code
Check Dell Warranty
HP
Use serial number
Check HP Warranty
Lenovo
Microsoft Surface
All Computers and Laptops
Press and Hold the Power button for 6 seconds.
To discharge a capacitor, unplug the computer or remove the battery, then hold the power button for 10 seconds. Reconnect power.
iPhone (All Models)
iPhone 8 and later: Quickly press and release Volume Up, then Volume Down, then press and hold Side button until Apple logo appears
iPhone 7/7 Plus: Press and hold Volume Down and Sleep/Wake buttons together until Apple logo appears
iPhone 6s and earlier: Press and hold Home and Sleep/Wake buttons together until Apple logo appears
iPad
iPad with Face ID: Quickly press and release Volume Up, then Volume Down, then press and hold Top button until Apple logo appears
iPad with Home button: Press and hold Home and Top (or Side) buttons together until Apple logo appears
Microsoft Surface Pro
Press and hold the Power button for 30 seconds, then release
Press and hold the Volume Up button and Power button together for 15 seconds, then release both
Wait 10 seconds, then press Power button to turn on
Alternative: Press and hold Power button for 10 seconds to force shutdown, then press again to restart
Samsung Tablet
Press and hold the Power and Volume Down buttons together for 10-20 seconds
Release when the Samsung logo appears
Device will restart automatically
If unresponsive: Continue holding until device vibrates and restarts
Macbook M1+
Press and hold the Power button until ‘Loading startup options’ appears
Release the Power button. You will see options like ‘Options’ (macOS Recovery) and other bootable volumes
Force Restart: Press and hold the Power button for 10 seconds until screen goes black, then release and press again to restart
MacBook (Intel-based)
Force Restart: Press and hold the Power button until your Mac turns off, then press it again to restart
macOS Recovery: Restart and immediately press and hold Command (⌘) + R until you see the Apple logo or a spinning globe
Startup Manager: Restart and immediately press and hold the Option (⌥) key to choose a startup disk
SMC Reset: Shut down, press Shift + Control + Option on left side and Power button simultaneously for 10 seconds, release all, then power on