Processor Intermittently Overheating in Sleep Mode

1. Quick self-test procedure
Check Current Temperature
Download HWMonitor or Core Temp
Record temperature changes before and after sleep
Basic Thermal Maintenance
Clean dust from laptop air vents (compressed air)
Check if the cooling fan is functioning properly (listen to the sound)
2. System Settings Adjustment
Turn off “Fast Startup” (common cause)
Control Panel > Power Options > Select Power Button Functions
Click “Change settings that are currently unavailable”
Uncheck “Enable Fast Startup”
Save and reboot
Modify Sleep Mode
Administrator CMD Run:
cmd
powercfg /h off # Disable hibernation file (reduce wakeups)
Settings > System > Power > Other Power Settings
Select “Balance” Schedule > Change Schedule Settings
Set Sleep to “Never” (to test if it still overheats)
3. Advanced Troubleshooting
 Check Wakeup Source
Administrator CMD run:
cmd
powercfg /lastwake
If it shows “unknown device”, update all drivers (especially chipset/USB)
 Disable background activity
Settings > System > Power Mode > select “Optimal Energy Efficiency”
Task Manager > Startup Applications > Disable non-essential programs
4. Ultimate Solution
 BIOS/UEFI Tweak
Reboot into BIOS (press F2/DEL on boot)
Shutdown:
USB Charging (Sleep & Charge)
Wake on LAN
Update BIOS to latest version
Reinstall the system
Make an installation USB flash drive using Media Creation Tool
Select “Keep Files” to repair the installation