Difference between revisions of "Fitlet2 Troubleshooting"

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(4. fitlet2 BIOS reset)   (change visibility)
 
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== I can't turn on the computer, it doesn't wake up ==
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===[https://fit-pc.com/wiki/index.php?title=Fitlet2_Troubleshooting_-_I_can%27t_turn_on_the_computer,_it_doesn%27t_wake_up I can't turn on the computer, it doesn't wake up] ===
  
===1. Check power supply (PSU)===
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===[https://fit-pc.com/wiki/index.php?title=Fitlet2_Troubleshooting_-_I_don%27t_have_any_display_output,_there%27s_nothing_on_the_screen I don't have any display output, there's nothing on the screen] ===
*Make sure the DC cable is not damaged and connected properly to the machine.
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*Make sure the AC cord is properly plugged to both sides (Wall mounted well plugged).
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*Trying an alternative adapter could eliminate bad PSU.
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===2. Check memory (RAM)===
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===[https://fit-pc.com/wiki/index.php?title=Troubleshooting_fitlet2_-_Linux_system_periodically_fails_to_boot_after_pressing_power_button fitlet2 Linux system periodically fails to boot after pressing power button] ===
*Verify RAM module is seated firmly in its socket.
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*Try to eliminate faulty memory sticks by swapping it with one another.
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===3. Check Peripherals (HDD/SSD/USB)===
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===[https://fit-pc.com/wiki/index.php?title=Troubleshooting_fitlet2_-_running_Linux_does_not_have_a_working_audio_out/SPDIF fitlet2 running Linux does not have a working audio out/SPDIF] ===
*Unplug peripherals and try to power up with bare minimum, that includes HDD/SSD/USB devices.
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*Verify power up without storage. Sometimes damaged drives may cause the overall system to malfunction.
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===4. fitlet2 BIOS reset===
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===[https://fit-pc.com/wiki/index.php?title=Troubleshooting_fitlet2_-_after_starting_the_OS_(Windows)_there_are_few_un-recognized_devices_under_Device_Manager After starting the OS (Windows) there are few unrecognized devices under Device Manager] ===
 
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[[Category:fitlet2]]
*For BIOS version FLT2.0.40.01.00 and above.
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*In cases BIOS version is older, you may also try to reset BIOS blindly - Please expand the below:
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<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
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Please disconnect the power core and perform the following:
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1. Remove all the storage devices (internal and external).
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2. Boot the system and wait for ~15 seconds to ensure the system booted to the BIOS menu.
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3. Press F3 key and after that the Enter key to load the default menu settings
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4. Press F4 key and after that the Enter key to save and exit
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5. The system should restart and boot with default menu settings.
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</div>
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Reset BIOS default following the following procedure for [[SBC Product Line: fitlet2-HBPN| SBC revisions 1.1]]):
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<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
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#Unplug power cable from the fitlet2
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#Remove the 4x Phillips Chassis screws
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#Remove bottom and top cover
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#Remove the RAM stick
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#Plug in power cable (should turn on automatically), and Wait ~10 seconds
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#Unplug power cable
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#Assemble back the RAM stick
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#Carefully unplug the RTC Battery from the 2pin connector
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#Plug power cable (should turn on automatically)
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#Shutdown the PC
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#Unplug the power cable
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#Plug the RTC Battery back in
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#Plug Power cable
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At this stage the BIOS settings should be reset to defaults.
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</div>
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Reset BIOS default following the following procedure for [[SBC Product Line: fitlet2-HBPN| SBC revisions 1.2]]):
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<div class="toccolours mw-collapsible mw-collapsed" overflow:auto;">
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#Unplug power cable from the fitlet2
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#Remove the 4x Phillips Chassis screws
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#Remove bottom and top cover
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#Remove the RAM stick
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#Plug in power cable (should turn on automatically), and Wait ~10 seconds
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#Unplug power cable
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#Assemble back the RAM stick
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#Press the RTC reset button.
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[[File:Fitlet2_rtc_rst.png]]
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9. Plug power cable (should be automatically turned on)
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At this stage the BIOS settings should be reset to defaults.
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</div>
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== I don't have any display output, there's nothing on the screen ==
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===1. Screen functionality and connectivity===
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* Make sure both power and display cables are connected firmly on both sides.
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* Make sure the screen is turned On and is functioning.
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* The best way to check screen functionality is by connecting to a good known working machine.
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===2. Validate memory===
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*Display issues on POST are a common symptom of incorrectly assembled or bad Memory DIMMS
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*Please refer to [http://fit-pc.com/wiki/index.php/fitlet2_Troubleshooting#2._Check_memory_.28RAM.29 Check memory RAM] to diagnose Memory
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== fitlet2 Linux system periodically fails to boot after pressing power button ==
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* If your Linux system periodically fails to boot after pressing power button and messages like "watchdog: BUG: soft lockup - CPU#2 stuck for 23s!" appears, please do the following BIOS settings changes:
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# Press [Del] during boot to enter BIOS settings:
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# Set Chipset -> South Cluster Configuration -> SCC Configuration -> SCC SD Card Support to [Disable]
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== fitlet2 running Linux does not have a working audio out/SPDIF ==
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* If your default BIOS setting "OS Selection" is set to [Windows] but [Linux] is desired, then run the following [https://fit-iot.com/files/download/fitlet2/sw/Scripts/fitlet2_alc1150_hda_patch.sh script] and reboot the system
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Code:
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$ sudo ./fitlet2_alc1150_hda_patch.sh
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$ sudo reboot
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Latest revision as of 14:02, 19 May 2020

I can't turn on the computer, it doesn't wake up

I don't have any display output, there's nothing on the screen

fitlet2 Linux system periodically fails to boot after pressing power button

fitlet2 running Linux does not have a working audio out/SPDIF

After starting the OS (Windows) there are few unrecognized devices under Device Manager