Mac Tip - How to run the Apple Hardware Test - 2015
How to check for Hardware issues with your Mac Computer
and perform the Apple Hardware test.
Link for Error Codes
https://support.apple.com/en-us/HT203747
Using the Apple Hardware Test Over the Internet
The error codes
Using the Apple Hardware Test Over the Internet
If the test determines there is an error with your Mac computer, It will display an error code similar to this:
4SNS/1/1/4000000 TL0P-130
Here are what some of those errors mean
4ETH: Ethernet controller
4IRP: Main Logic board
4MLB: Logic board controller
4PRC: Processor
4HDD: Hard disk
4MHD: External disk
4YDC: Video card
4SNS: System sensor
4MOT: Fan motor
4MEM: Memory module
4AIR: AirPort wireless card
A: Ambient air sensor
B: Battery
C: Central processors (CPU)
D: DC (direct current)
e: PCI-express slot
F: FireWire port
G: Graphics processor (GPU)
H: Hard disk
h: Heat pipe (heat sink)
L: LCD display
M: Memory or memory riser boards
m: Misc. (i.e., battery chargers)
N: North bridge (motherboard controller)
O: Optical drives
P: Power bus
p: Power supply
s: Palm rests for laptops
W: Airport Wi-Fi card
resetting the system PRAM
resetting the system management controller
How to run the Apple Hardware Test on OSX Lion
How to run the Apple Hardware Test on OSX Yosemite
How to run the Apple Hardware Test on OSX Mountain Lion
How to run the Apple Hardware Test on OSX Maverick Use these tips at your own risk DISCLAIMER: Use these tips at your own Risk Disclaimer - use these tips and all Mac tips on this channel at your own risk. - mac tips youtube