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− | == I can't turn on the computer, it doesn't wake up == | + | ===[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] === |
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− | ===1. Check power supply (PSU)=== | + | ===[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)=== | + | ===[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)=== | + | ===[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=== | + | ===[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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− | *For BIOS version FLT2.0.40.01.00 and above.
| + | ===[https://fit-pc.com/wiki/index.php?title=Troubleshooting_fitlet2_-_UKLog.dat_file_on_Windows_10_OS_takes_up_all_the_free_disk_space UKLog.dat file on Windows 10 OS takes up all the free disk space] === |
− | *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).
| + | ===[http://www.fit-pc.com/web/support/rma/ RMA procedure] === |
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− | 2. Boot the system and wait for ~15 seconds to ensure the system booted to the BIOS menu.
| + | [[Category:fitlet2]] |
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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('''works for SBC revisions 1.2 only'''):
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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 and bottom and top cover
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− | #Remove the DIMM stick
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− | #Plug in power cable (should turn on automatically)- ~ Wait 10 seconds
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− | #Unplug power cable
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− | #Assemble back the DIMM 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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− | <!--
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− | ##Otherwise '''if the fitlet2 SBC Revision is 1.1''' carefully unplug the RTC Battery from the 2pin connector.
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− | #Plug power cable (should turn on automatically)
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− | #Continue steps for revision 1.1 (RTC battery had to be disconnected):
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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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− | -->
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− | At this stage the BIOS settings should be reset to defaults.
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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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