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Thread: Wifi weak signal with realtek d723

  1. #1
    Join Date
    May 2020
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    5

    Wifi weak signal with realtek d723

    I am new to Linux, I installed the drivers for the graphics card (Realtek d723), it works, but I am literally sitting next to the router and I have a -78dBm signal, I don't know what to do, I have already seen in a lot of forums but nothing solves my trouble. I don't know what information you need, if you need anything let me know

  2. #2
    Join Date
    May 2014
    Location
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    Beans
    8,953
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Wifi weak signal with realtek d723

    What site did you get the driver from?

  3. #3
    Join Date
    May 2020
    Beans
    5

    Re: Wifi weak signal with realtek d723

    I used this

    Code:
    git clone -b extended --single-branch https://github.com/lwfinger/rtlwifi_new.git
    sudo dkms add rtlwifi_new
    sudo dkms install rtlwifi-new/0.6

  4. #4
    Join Date
    May 2014
    Location
    /home
    Beans
    8,953
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Wifi weak signal with realtek d723

    Did you set the ant_sel parameter? Most of the time it works best if set to 2

  5. #5
    Join Date
    May 2020
    Beans
    5

    Re: Wifi weak signal with realtek d723

    Yes, but it doesn't work for me

    Code:
    sudo modprobe rtl8723be ant_sel=(1/2)

  6. #6
    Join Date
    May 2014
    Location
    /home
    Beans
    8,953
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Wifi weak signal with realtek d723

    Post results from terminal for
    Code:
    grep [[:alnum:]] /etc/modprobe.d/*

  7. #7
    Join Date
    May 2020
    Beans
    5

    Re: Wifi weak signal with realtek d723

    Code:
    /etc/modprobe.d/50-rtl8723be.conf:options rtl8723be ant_sel=1
    /etc/modprobe.d/alsa-base.conf:# autoloader aliases
    /etc/modprobe.d/alsa-base.conf:install sound-slot-0 /sbin/modprobe snd-card-0
    /etc/modprobe.d/alsa-base.conf:install sound-slot-1 /sbin/modprobe snd-card-1
    /etc/modprobe.d/alsa-base.conf:install sound-slot-2 /sbin/modprobe snd-card-2
    /etc/modprobe.d/alsa-base.conf:install sound-slot-3 /sbin/modprobe snd-card-3
    /etc/modprobe.d/alsa-base.conf:install sound-slot-4 /sbin/modprobe snd-card-4
    /etc/modprobe.d/alsa-base.conf:install sound-slot-5 /sbin/modprobe snd-card-5
    /etc/modprobe.d/alsa-base.conf:install sound-slot-6 /sbin/modprobe snd-card-6
    /etc/modprobe.d/alsa-base.conf:install sound-slot-7 /sbin/modprobe snd-card-7
    /etc/modprobe.d/alsa-base.conf:# Cause optional modules to be loaded above generic modules
    /etc/modprobe.d/alsa-base.conf:install snd /sbin/modprobe --ignore-install snd $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-ioctl32 ; /sbin/modprobe --quiet --use-blacklist snd-seq ; }
    /etc/modprobe.d/alsa-base.conf:# Workaround at bug #499695 (reverted in Ubuntu see LP #319505)
    /etc/modprobe.d/alsa-base.conf:install snd-pcm /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-pcm-oss ; : ; }
    /etc/modprobe.d/alsa-base.conf:install snd-mixer /sbin/modprobe --ignore-install snd-mixer $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-mixer-oss ; : ; }
    /etc/modprobe.d/alsa-base.conf:install snd-seq /sbin/modprobe --ignore-install snd-seq $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; /sbin/modprobe --quiet --use-blacklist snd-seq-oss ; : ; }
    /etc/modprobe.d/alsa-base.conf:install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
    /etc/modprobe.d/alsa-base.conf:# Cause optional modules to be loaded above sound card driver modules
    /etc/modprobe.d/alsa-base.conf:install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-emu10k1-synth ; }
    /etc/modprobe.d/alsa-base.conf:install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq ; }
    /etc/modprobe.d/alsa-base.conf:# Load saa7134-alsa instead of saa7134 (which gets dragged in by it anyway)
    /etc/modprobe.d/alsa-base.conf:install saa7134 /sbin/modprobe --ignore-install saa7134 $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist saa7134-alsa ; : ; }
    /etc/modprobe.d/alsa-base.conf:# Prevent abnormal drivers from grabbing index 0
    /etc/modprobe.d/alsa-base.conf:options bt87x index=-2
    /etc/modprobe.d/alsa-base.conf:options cx88_alsa index=-2
    /etc/modprobe.d/alsa-base.conf:options saa7134-alsa index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-atiixp-modem index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-intel8x0m index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-via82xx-modem index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-usb-audio index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-usb-caiaq index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-usb-ua101 index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-usb-us122l index=-2
    /etc/modprobe.d/alsa-base.conf:options snd-usb-usx2y index=-2
    /etc/modprobe.d/alsa-base.conf:# Ubuntu #62691, enable MPU for snd-cmipci
    /etc/modprobe.d/alsa-base.conf:options snd-cmipci mpu_port=0x330 fm_port=0x388
    /etc/modprobe.d/alsa-base.conf:# Keep snd-pcsp from being loaded as first soundcard
    /etc/modprobe.d/alsa-base.conf:options snd-pcsp index=-2
    /etc/modprobe.d/alsa-base.conf:# Keep snd-usb-audio from beeing loaded as first soundcard
    /etc/modprobe.d/alsa-base.conf:options snd-usb-audio index=-2
    /etc/modprobe.d/amd64-microcode-blacklist.conf:# The microcode module attempts to apply a microcode update when
    /etc/modprobe.d/amd64-microcode-blacklist.conf:# it autoloads.  This is not always safe, so we block it by default.
    /etc/modprobe.d/amd64-microcode-blacklist.conf:blacklist microcode
    /etc/modprobe.d/blacklist-ath_pci.conf:# For some Atheros 5K RF MACs, the madwifi driver loads buts fails to
    /etc/modprobe.d/blacklist-ath_pci.conf:# correctly initialize the hardware, leaving it in a state from
    /etc/modprobe.d/blacklist-ath_pci.conf:# which ath5k cannot recover. To prevent this condition, stop
    /etc/modprobe.d/blacklist-ath_pci.conf:# madwifi from loading by default. Use Jockey to select one driver
    /etc/modprobe.d/blacklist-ath_pci.conf:# or the other. (Ubuntu: #315056, #323830)
    /etc/modprobe.d/blacklist-ath_pci.conf:blacklist ath_pci
    /etc/modprobe.d/blacklist.conf:# This file lists those modules which we don't want to be loaded by
    /etc/modprobe.d/blacklist.conf:# alias expansion, usually so some other driver will be loaded for the
    /etc/modprobe.d/blacklist.conf:# device instead.
    /etc/modprobe.d/blacklist.conf:# evbug is a debug tool that should be loaded explicitly
    /etc/modprobe.d/blacklist.conf:blacklist evbug
    /etc/modprobe.d/blacklist.conf:# these drivers are very simple, the HID drivers are usually preferred
    /etc/modprobe.d/blacklist.conf:blacklist usbmouse
    /etc/modprobe.d/blacklist.conf:blacklist usbkbd
    /etc/modprobe.d/blacklist.conf:# replaced by e100
    /etc/modprobe.d/blacklist.conf:blacklist eepro100
    /etc/modprobe.d/blacklist.conf:# replaced by tulip
    /etc/modprobe.d/blacklist.conf:blacklist de4x5
    /etc/modprobe.d/blacklist.conf:# causes no end of confusion by creating unexpected network interfaces
    /etc/modprobe.d/blacklist.conf:blacklist eth1394
    /etc/modprobe.d/blacklist.conf:# snd_intel8x0m can interfere with snd_intel8x0, doesn't seem to support much
    /etc/modprobe.d/blacklist.conf:# hardware on its own (Ubuntu bug #2011, #6810)
    /etc/modprobe.d/blacklist.conf:blacklist snd_intel8x0m
    /etc/modprobe.d/blacklist.conf:# Conflicts with dvb driver (which is better for handling this device)
    /etc/modprobe.d/blacklist.conf:blacklist snd_aw2
    /etc/modprobe.d/blacklist.conf:# Causes trackpads to stop working on Lenovo 11e 2nd gen (Ubuntu: #1802135)
    /etc/modprobe.d/blacklist.conf:# and Lenovo x240 to hang on boot (Ubuntu: #1802689)
    /etc/modprobe.d/blacklist.conf:blacklist i2c_i801
    /etc/modprobe.d/blacklist.conf:# replaced by p54pci
    /etc/modprobe.d/blacklist.conf:blacklist prism54
    /etc/modprobe.d/blacklist.conf:# replaced by b43 and ssb.
    /etc/modprobe.d/blacklist.conf:blacklist bcm43xx
    /etc/modprobe.d/blacklist.conf:# most apps now use garmin usb driver directly (Ubuntu: #114565)
    /etc/modprobe.d/blacklist.conf:blacklist garmin_gps
    /etc/modprobe.d/blacklist.conf:# replaced by asus-laptop (Ubuntu: #184721)
    /etc/modprobe.d/blacklist.conf:blacklist asus_acpi
    /etc/modprobe.d/blacklist.conf:# low-quality, just noise when being used for sound playback, causes
    /etc/modprobe.d/blacklist.conf:# hangs at desktop session start (Ubuntu: #246969)
    /etc/modprobe.d/blacklist.conf:blacklist snd_pcsp
    /etc/modprobe.d/blacklist.conf:# ugly and loud noise, getting on everyone's nerves; this should be done by a
    /etc/modprobe.d/blacklist.conf:# nice pulseaudio bing (Ubuntu: #77010)
    /etc/modprobe.d/blacklist.conf:blacklist pcspkr
    /etc/modprobe.d/blacklist.conf:# EDAC driver for amd76x clashes with the agp driver preventing the aperture
    /etc/modprobe.d/blacklist.conf:# from being initialised (Ubuntu: #297750). Blacklist so that the driver
    /etc/modprobe.d/blacklist.conf:# continues to build and is installable for the few cases where its
    /etc/modprobe.d/blacklist.conf:# really needed.
    /etc/modprobe.d/blacklist.conf:blacklist amd76x_edac
    /etc/modprobe.d/blacklist-firewire.conf:# Select the legacy firewire stack over the new CONFIG_FIREWIRE one.
    /etc/modprobe.d/blacklist-firewire.conf:blacklist ohci1394
    /etc/modprobe.d/blacklist-firewire.conf:blacklist sbp2
    /etc/modprobe.d/blacklist-firewire.conf:blacklist dv1394
    /etc/modprobe.d/blacklist-firewire.conf:blacklist raw1394
    /etc/modprobe.d/blacklist-firewire.conf:blacklist video1394
    /etc/modprobe.d/blacklist-firewire.conf:#blacklist firewire-ohci
    /etc/modprobe.d/blacklist-firewire.conf:#blacklist firewire-sbp2
    /etc/modprobe.d/blacklist-framebuffer.conf:# Framebuffer drivers are generally buggy and poorly-supported, and cause
    /etc/modprobe.d/blacklist-framebuffer.conf:# suspend failures, kernel panics and general mayhem.  For this reason we
    /etc/modprobe.d/blacklist-framebuffer.conf:# never load them automatically.
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist aty128fb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist atyfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist bochs-drm
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist radeonfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist cirrusfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist cyber2000fb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist cyblafb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist gx1fb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist hgafb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist i810fb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist intelfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist kyrofb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist lxfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist matroxfb_base
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist neofb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist nvidiafb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist pm2fb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist rivafb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist s1d13xxxfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist savagefb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist sisfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist sstfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist tdfxfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist tridentfb
    /etc/modprobe.d/blacklist-framebuffer.conf:#blacklist vesafb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist vfb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist viafb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist vt8623fb
    /etc/modprobe.d/blacklist-framebuffer.conf:blacklist udlfb
    /etc/modprobe.d/blacklist-modem.conf:# Uncomment these entries in order to blacklist unwanted modem drivers
    /etc/modprobe.d/blacklist-modem.conf:# blacklist snd-atiixp-modem
    /etc/modprobe.d/blacklist-modem.conf:# blacklist snd-intel8x0m
    /etc/modprobe.d/blacklist-modem.conf:# blacklist snd-via82xx-modem
    /etc/modprobe.d/blacklist-oss.conf:blacklist ac97
    /etc/modprobe.d/blacklist-oss.conf:blacklist ac97_codec
    /etc/modprobe.d/blacklist-oss.conf:blacklist ac97_plugin_ad1980
    /etc/modprobe.d/blacklist-oss.conf:blacklist ad1848
    /etc/modprobe.d/blacklist-oss.conf:blacklist ad1889
    /etc/modprobe.d/blacklist-oss.conf:blacklist adlib_card
    /etc/modprobe.d/blacklist-oss.conf:blacklist aedsp16
    /etc/modprobe.d/blacklist-oss.conf:blacklist ali5455
    /etc/modprobe.d/blacklist-oss.conf:blacklist btaudio
    /etc/modprobe.d/blacklist-oss.conf:blacklist cmpci
    /etc/modprobe.d/blacklist-oss.conf:blacklist cs4232
    /etc/modprobe.d/blacklist-oss.conf:blacklist cs4281
    /etc/modprobe.d/blacklist-oss.conf:blacklist cs461x
    /etc/modprobe.d/blacklist-oss.conf:blacklist cs46xx
    /etc/modprobe.d/blacklist-oss.conf:blacklist emu10k1
    /etc/modprobe.d/blacklist-oss.conf:blacklist es1370
    /etc/modprobe.d/blacklist-oss.conf:blacklist es1371
    /etc/modprobe.d/blacklist-oss.conf:blacklist esssolo1
    /etc/modprobe.d/blacklist-oss.conf:blacklist forte
    /etc/modprobe.d/blacklist-oss.conf:blacklist gus
    /etc/modprobe.d/blacklist-oss.conf:blacklist i810_audio
    /etc/modprobe.d/blacklist-oss.conf:blacklist kahlua
    /etc/modprobe.d/blacklist-oss.conf:blacklist mad16
    /etc/modprobe.d/blacklist-oss.conf:blacklist maestro
    /etc/modprobe.d/blacklist-oss.conf:blacklist maestro3
    /etc/modprobe.d/blacklist-oss.conf:blacklist maui
    /etc/modprobe.d/blacklist-oss.conf:blacklist mpu401
    /etc/modprobe.d/blacklist-oss.conf:blacklist nm256_audio
    /etc/modprobe.d/blacklist-oss.conf:blacklist opl3
    /etc/modprobe.d/blacklist-oss.conf:blacklist opl3sa
    /etc/modprobe.d/blacklist-oss.conf:blacklist opl3sa2
    /etc/modprobe.d/blacklist-oss.conf:blacklist pas2
    /etc/modprobe.d/blacklist-oss.conf:blacklist pss
    /etc/modprobe.d/blacklist-oss.conf:blacklist rme96xx
    /etc/modprobe.d/blacklist-oss.conf:blacklist sb
    /etc/modprobe.d/blacklist-oss.conf:blacklist sb_lib
    /etc/modprobe.d/blacklist-oss.conf:blacklist sgalaxy
    /etc/modprobe.d/blacklist-oss.conf:blacklist sonicvibes
    /etc/modprobe.d/blacklist-oss.conf:blacklist sound
    /etc/modprobe.d/blacklist-oss.conf:blacklist sscape
    /etc/modprobe.d/blacklist-oss.conf:blacklist trident
    /etc/modprobe.d/blacklist-oss.conf:blacklist trix
    /etc/modprobe.d/blacklist-oss.conf:blacklist uart401
    /etc/modprobe.d/blacklist-oss.conf:blacklist uart6850
    /etc/modprobe.d/blacklist-oss.conf:blacklist via82cxxx_audio
    /etc/modprobe.d/blacklist-oss.conf:blacklist v_midi
    /etc/modprobe.d/blacklist-oss.conf:blacklist wavefront
    /etc/modprobe.d/blacklist-oss.conf:blacklist ymfpci
    /etc/modprobe.d/blacklist-oss.conf:blacklist ac97_plugin_wm97xx
    /etc/modprobe.d/blacklist-oss.conf:blacklist ad1816
    /etc/modprobe.d/blacklist-oss.conf:blacklist audio
    /etc/modprobe.d/blacklist-oss.conf:blacklist awe_wave
    /etc/modprobe.d/blacklist-oss.conf:blacklist dmasound_core
    /etc/modprobe.d/blacklist-oss.conf:blacklist dmasound_pmac
    /etc/modprobe.d/blacklist-oss.conf:blacklist harmony
    /etc/modprobe.d/blacklist-oss.conf:blacklist sequencer
    /etc/modprobe.d/blacklist-oss.conf:blacklist soundcard
    /etc/modprobe.d/blacklist-oss.conf:blacklist usb-midi
    /etc/modprobe.d/blacklist-radeon.conf:blacklist radeon
    /etc/modprobe.d/blacklist-rare-network.conf:# Many less commonly used network protocols have recently had various
    /etc/modprobe.d/blacklist-rare-network.conf:# security flaws discovered. In an effort to reduce the scope of future
    /etc/modprobe.d/blacklist-rare-network.conf:# vulnerability exploitations, they are being blacklisted here so that
    /etc/modprobe.d/blacklist-rare-network.conf:# unprivileged users cannot use them by default. System owners can still
    /etc/modprobe.d/blacklist-rare-network.conf:# either modify this file, or specifically modprobe any needed protocols.
    /etc/modprobe.d/blacklist-rare-network.conf:# ax25
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-3 off
    /etc/modprobe.d/blacklist-rare-network.conf:# netrom
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-6 off
    /etc/modprobe.d/blacklist-rare-network.conf:# x25
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-9 off
    /etc/modprobe.d/blacklist-rare-network.conf:# rose
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-11 off
    /etc/modprobe.d/blacklist-rare-network.conf:# decnet
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-12 off
    /etc/modprobe.d/blacklist-rare-network.conf:# econet
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-19 off
    /etc/modprobe.d/blacklist-rare-network.conf:# rds
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-21 off
    /etc/modprobe.d/blacklist-rare-network.conf:# af_802154
    /etc/modprobe.d/blacklist-rare-network.conf:alias net-pf-36 off
    /etc/modprobe.d/blacklist-watchdog.conf:# Watchdog drivers should not be loaded automatically, but only if a
    /etc/modprobe.d/blacklist-watchdog.conf:# watchdog daemon is installed.
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist acquirewdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist advantechwdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist alim1535_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist alim7101_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist booke_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist cpu5wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist eurotechwdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist i6300esb
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist i8xx_tco
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist ib700wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist ibmasr
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist indydog
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist iTCO_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist it8712f_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist it87_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist ixp2000_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist ixp4xx_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist machzwd
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist mixcomwd
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist mpc8xx_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist mpcore_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist mv64x60_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist pc87413_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist pcwd
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist pcwd_pci
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist pcwd_usb
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist s3c2410_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sa1100_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sbc60xxwdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sbc7240_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sb8360
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sc1200wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sc520_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist sch311_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist scx200_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist shwdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist smsc37b787_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist softdog
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist twl4030_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist w83627hf_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist w83697hf_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist w83697ug_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist w83877f_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist w83977f_wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist wafer5823wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist wdt
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist wdt_pci
    /etc/modprobe.d/blacklist-watchdog.conf:blacklist wm8350_wdt
    /etc/modprobe.d/dkms.conf:# modprobe information used for DKMS modules
    /etc/modprobe.d/dkms.conf:# This is a stub file, should be edited when needed,
    /etc/modprobe.d/dkms.conf:# used by default by DKMS.
    /etc/modprobe.d/intel-microcode-blacklist.conf:# The microcode module attempts to apply a microcode update when
    /etc/modprobe.d/intel-microcode-blacklist.conf:# it autoloads.  This is not always safe, so we block it by default.
    /etc/modprobe.d/intel-microcode-blacklist.conf:blacklist microcode
    /etc/modprobe.d/iwlwifi.conf:# /etc/modprobe.d/iwlwifi.conf
    /etc/modprobe.d/iwlwifi.conf:# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
    /etc/modprobe.d/iwlwifi.conf:# microcode file installed on the system.  When removing iwlwifi, first
    /etc/modprobe.d/iwlwifi.conf:# remove the iwl?vm module and then iwlwifi.
    /etc/modprobe.d/iwlwifi.conf:remove iwlwifi \
    /etc/modprobe.d/iwlwifi.conf:(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
    /etc/modprobe.d/iwlwifi.conf:&& /sbin/modprobe -r mac80211
    /etc/modprobe.d/rtl8723-ant-sel.conf:options rtl8723be ant_sel=1
    /etc/modprobe.d/rtl8723be-ant.conf:options rtl8723be ant_sel=2
    /etc/modprobe.d/vmwgfx-fbdev.conf:options vmwgfx enable_fbdev=1

  8. #8
    Join Date
    May 2014
    Location
    /home
    Beans
    8,953
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Wifi weak signal with realtek d723

    Ok, do this and reboot
    Code:
    echo "options rtl8723de ant_sel=2" | sudo tee /etc/modprobe.d/50-rtl8723be.conf

  9. #9
    Join Date
    May 2020
    Beans
    5

    Re: Wifi weak signal with realtek d723

    It worked, thank you very much

  10. #10
    Join Date
    Jul 2007
    Location
    Brussels
    Beans
    29
    Distro
    Ubuntu Gnome

    Re: Wifi weak signal with realtek d723

    For reference you can read up about it in an arch linux post: https://bbs.archlinux.org/viewtopic.php?id=208472

    I stumbled on this post after I already followed the arch wiki. It turned out I had to use the second antena. These where my steps:

    # As the article is somewhat Arch Linux specific I had to do tiny adaptations for ubuntu 20.04

    # edit / create the following file:
    /etc/modprobe.d/rtl8723be.conf
    ==============================
    options rtl8723be fwlps=N ips=N swlps=N swenc=Y disable_watchdog=1

    git clone https://github.com/lwfinger/rtlwifi_new.git
    cd rtlwifi_new
    #git checkout rock.new_btcoex --> this isn't working so checkout the following as stated in the error message:
    git checkout origin/extended -b extended

    make clean && make
    sudo make install

    # sudo mkinitcpio -p linux
    # ubuntu version to update initramfs:
    update-initramfs -u


    # After every kernel update:
    cd rtlwifi_new
    # Clean previous builds
    make clean
    # Update git repository
    git pull
    # Compile
    make clean && make
    # Install
    sudo make install
    # Update initramfs
    update-initramfs -u


    #Test which antenna works best for you:
    sudo rmmod rtl8723be
    sudo modprobe rtl8723be ant_sel=1
    sudo iwlist wlan0 scan
    sudo rmmod rtl8723be
    sudo modprobe rtl8723be ant_sel=2
    sudo iwlist wlan0 scan

    # then
    /etc/modprobe.d/rtl8723be.conf
    ==============================
    options rtl8723be fwlps=N ips=N swlps=N swenc=Y disable_watchdog=1 ant_sel=X
    HW: Intel Core 2 CPU T7400 @ 1.66GHz, Dell Latitude D620, Intel Mobile 945GM/PM/GMS 943/940GML Express IGP + ICH7-M, 2014MB, 160GB, 1280x800 -- OS: Gentoo 2004-2010 & Ubuntu 7.4-10.10

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