Changes

==I can't turn on the computer, it doesn't wake up =Airtop2 BIOS reset:===# Power down the PC and unplug the power cable.# Open the service door.# Remove the disks cartridge.# Reset the BIOS by pressing the low profile push button SW4 (RTC_RST).# Mount the disks cartridge and close the door.# Plug the power and power up the PC (either auto-on or pressing power button).[[File:Airtop2-bios-reset.gif|options|caption]]

===1. Check storage power supply (HDD/SSDPSU):===Verify *Make sure the LED on the power up without storagebrick is lit. Sometimes *Make sure the DC cable is not damaged drives may cause and connected properly to the overall system machine.*Make sure the AC cord is properly plugged to malfunctionboth sides (power brick and to the wall).*Try to plug the DC cable to the alternative DC socket on the Airtop2.

===2. Check power supply memory (PSURAM):===* Verify diagnostic LED (R) lit <span style="background:Green">Green</span>*.*If lit in <span style="background:yellow">Yellow</span> it means memory initialization has failed.*Verify RAM modules seated correctly and firmly in their respective sockets.*Try to eliminate faulty memory sticks by swapping them with one another. '''*LED Diagnostics feature is available only for models configured the with FM-AT2 FACE module''' ===3. Check Peripherals (HDD/SSD/USB)===*Unplug peripherals and try to power supply is not up with bare minimum, that includes HDD/SSD/USB devices.*Verify power up without storage. Sometimes damaged drives may cause the overall system to malfunction. ===4. Airtop2 BIOS reset===*Power down the PC and functions properlyunplug the power cable.*Open the service door.*Remove the disks cartridge.*Reset the BIOS by pressing the low profile push button SW1 (RTC_RST).*Mount the disks cartridge and close the door.*Plug the power and power up the PC (either auto-on or pressing power button).[[File:Airtop2-bios-reset.gif]]  '''LED-B (BIOS)*''' This LED is <span style="background:yellow">Yellow</span> after display initialization. If you BIOS setup menu is needed, the DEL button is functional from the moment the B-LED is <span style="background:yellow">Yellow</span>. The B-LED is <span style="background:Green">Green</span> when the OS takes charge of the system. '''*LED Diagnostics feature is available only for models configured the with FM-AT2 FACE module''' == Airtop2 with Linux starts up with flickering/bad display == * [[Airtop2 running on embedded GPU is flickering/bad display on Linux]] == I don't have another any display output, there's nothing on the screen == ===1. Screen functionality and connectivity===* Make sure both power supply use it to eliminate and determine display cables are connected firmly on both sides.* Advise the failing sideH(Hdmi)/D(Display port) LEDS, <span style="background:Green">Green</span> means the cable is connected to the monitor properly.**In case you use other power supply make Make sure it provides uninterrupted power the screen is turned On and stable groundingis functioning.* The best way to check screen functionality is by connecting to a good known working machine. '''*LED Diagnostics feature is available only for models configured the with FM-AT2 FACE module''' ===2. Validate memory===*Display issues on POST are a common symptom of incorrectly assembled or bad Memory DIMMS*Please refer to [http://fit-pc.com/wiki/index.php/Airtop2_Troubleshooting#2._Check_memory_.28RAM.29 Check memory RAM] to diagnose Memory [[Category:Airtop2]]