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I've got a laptop with the RTL8723 wi-fi card, it worked well in archiso. But when I installed Arch on my computer, it didn't work anymore. I loaded the r8723bs driver using 'modprobe', since it wasn't loaded by default but wi-fi doesn't work. It seems that the bluetooth is loaded but not the wi-fi one. The command ip link only lists the lo interface.
Thanks!
-- ayb
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What exactly you did? The procedure told here or something else ?
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Actually my card wasn't listed by lspci or lsusb. But I had an Ubuntu installation where wifi worked and it told me that the driver used was r8723bs so enabled it. But my wifi is still not listed.
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If something works on the ISO and doesn't on the install it's usually because you forgot to install linux-firmware
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No, according to pacman the package linux-firmware is installed
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You can try to install the exact same version of linux and linux-firmware as on the ISO from the arch linux archive.
https://wiki.archlinux.org/index.php/Arch_Linux_Archive
| alias CUTF='LANG=en_XX.UTF-8@POSIX ' |
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I've tried rebooting from the iso, however when I boot from the iso, it doesn't have wifi either, which is really weird. So, I think that the installation may have triggered some locks. But it seems improbable since it isn't listed by rfkill.
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Do you have a windows installation?
Does the system have a HW wifi switch (in doubt Fn+something)?
my card wasn't listed by lspci or lsusb
Can you please post both?
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Do you have a windows installation?
No I erased the disk and removed it.
Does the system have a HW wifi switch (in doubt Fn+something)?
Yes I tried using it but it just changes the status of the bluetooth in rfkill.
Can you please post both?
lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID ffff:5678 USB Disk 2.0
Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 002: ID 258a:1015 SIPODEV USB Composite Device
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lspci:
00:00.0 Host bridge: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series SoC Transaction Register (rev 36)
00:02.0 VGA compatible controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller (rev 36)
00:03.0 Multimedia controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Imaging Unit (rev ff)
00:0b.0 Signal processing controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Power Management Controller (rev 36)
00:14.0 USB controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series USB xHCI Controller (rev 36)
00:16.0 USB controller: Intel Corporation Device 22b7 (rev 36)
00:1a.0 Encryption controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Trusted Execution Engine (rev 36)
00:1f.0 ISA bridge: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCU (rev 36)
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Doesn't list BT either - I2C chip?
Check i2cdetect from https://archlinux.org/packages/communit … i2c-tools/
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I've made some research and it looks like it's an SDIO device.
In the dmesg it lists BT and it's in rfkill output:
[ 6.876951] Bluetooth: hci0: RTL: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
[ 6.881236] Bluetooth: hci0: RTL: loading rtl_bt/rtl8723bs_fw.bin
[ 6.884292] Bluetooth: hci0: RTL: loading rtl_bt/rtl8723bs_config-OBDA8723.bin
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Rfkill actually lists the BT card.
Last edited by ayb (2021-02-21 15:45:42)
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I dualbooted with ubuntu and now wifi works in arch, I don't know why does that work but wifi works.
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Did you check what module(s) and firmware ubuntu uses?
I guess, once "activated" the chip will continue to work until the system is powered down (ie. survive a warm reboot)
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It looks that it uses r8723bs just like arch. And even after shutdown it works when I boot.
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