Standard Mobile Laptop Faults Checklist
Device Identification
Record hardware specifications for general mobile laptops:
Battery & Power Management
- Battery swelling (Keyboard/Casing warping)
- DC-In / USB-C charging port physical looseness
- Rapid discharge while in “Sleep” mode
- Voltage hiss (Coil whine) from power circuitry
Chassis & Hinge Durability
- Hinge clicking or uneven opening resistance
- Lid alignment issues (Gaps when closed)
- Rubber feet missing or bottom panel heat-warped
- Stripped or missing chassis screws
Connectivity & Signal
- Bluetooth peripheral connection drops
- Ethernet (RJ45) “Drop-jaw” port failure
- USB Port data connectivity errors
- Wi-Fi signal weak (Internal antenna pinch)
Display & Image Quality
- LCD backlight “bleeding” on dark screens
- Pressure marks (White spots) from bag transit
- Screen flickering when screen angle is changed
Firmware & Security
- BIOS/UEFI Administrator password lock
- Fingerprint / IR Camera login failure
- TPM security chip “Device not detected”
Input & Human Interface
- Keyboard key-caps worn smooth or non-responsive
- Trackpad erratic tracking or button failure
- Webcam privacy shutter stuck or broken
Liquid & Environmental Damage
Evidence of spill or moisture ingress:
Observation (e.g., keyboard stickiness, port oxidation):
Thermal & Cooling System
- Fan high-pitched whistling (Bearing wear)
- System overheating / Thermal throttling
- Vents clogged with domestic or office dust