after sudo apt-update && sudo apt-get full-upgrade still inactive (dead)
In respect of the report saying 'inactive (dead)' follow the suggestion with the highest number of votes here:
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@swarfendor437 I was trying this (20.04 - completely reinstall bluetooth - Ask Ubuntu)
and I got this error I couldn't completely remove the bluez and reinstall it
Try the guide here:
@swarfendor437 I got error with the 1st command line
E: Internal Error, No file name for bluez:amd64
I see you are trying to get your files from your country's locale. Start Software Update, then when it launches, click on Stop or Cancel then click on the Settings button. Change the source of your updates and packages to Main Server and try again.
@swarfendor437 I changer server to main then I got this
It looks like there is a fault in GDM and bluetooth being registered to run on two separate instances of it.
Have you at any point tried
sudo apt install --reinstall zorin-os-desktop
Or have you ever tried replacing GDM with SDDM or LightDM but GDM was left unconfigured?
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Where was I...
Anyway - are we sure the RTL3290 is operating correctly; driver wise? My RTL8723du works with Bluetooth without the WiFi driver, but it's a combo chip - WiFi + Bluetooth. Not fully operational until the WiFi is loaded. Also has some GPIO config with my RTL WiFi+BT chip.. Might change with --
Driver for the rtl3290:
Missing the sudo at the beginning of your apt-get request.
It might be trying to config the 8188ee as the Bluetooth - which is the Ethernet (edited, found 8188ee as Ethernet), your 3290 is the BT / WiFi chip.
Check your 3290 status with: sudo dmesg | grep 3290 that should show you what / if anything is loading for that chip, or status from kernel.
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[ 0.176200] pci 0000:03:00.0: [1814:3290] type 00 class 0x028000
[ 19.657871] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3290, rev 0013 detected
[ 19.666089] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 3290 detected
[ 52.715124] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt3290.bin'
@Aravisian I can try it but does it effect on the programs I installed on the OS or everything will stay as it is
Everything will remain as it is. Even your saved settings and configurations.
The command will reinstall the system Desktop packages, but it will not affect your other software nor will it change your saved settings to defaults.
Your saved settings are stored in your Home directory, not in Root where the desktop system files are kept.
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Gotcha - was doing some reading on that Ralink 3290, not RealTek.. Kind of old-ish. But --
A little dated, from 2019 last update; says for Ubuntu 15 and up. Just another driver / option.
rfkill list in terminal will show if it's being blocked either hardware / software switch or blacklisted in a conf file somewhere.
You could make a backup of the 'rt3290.bin' file before trying, just in case nothing works so you can revert it. Probably best to try what @Aravisian suggests first though, that service issue might be the root cause..
as we can see nothing blocked
@PlumpKibbles but I'm so beginner IDK how to install packages from github 
Can you try
sudo dpkg-reconfigure gdm3
follow the prompts in the terminal to set GDM3 as your default display manager.
here what I got "gdm.service is not active, cannot reload.
invoke-rc.d: initscript gdm3, action "reload" failed.
"
I also treid
systemctl -f enable gdm.service
to Enable it but I got this
I could have sworn I saw that you are on Zorin OS Core above.
But apparently not.
Let's take corrective steps to what I posted above:
sudo apt remove zorin-os-desktop && sudo apt install --reinstall zorin-os-lite-desktop
Once this has been run, you do not need to run the configur for GDM3 since you are not using it... You are using LightDm.
This does bring us back to the "Two services are allocated for bluez", though... can you outline if you have ever installed any other desktop environments on Zorin OS like Cinnamon, Mate or other ( I have installed all of the above at one time or another. 
)