Shubhang Kakkar's questions

Hello I have dell Inspiron 3542 laptop, I installed ubuntu on it and it was working perfectly before but after installing this new version my camera not working properly

1. Very low fps 1 or 2
2. Black and white only

every other thing are working fine

why is this happening please help?

lspci result

00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)
00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
06:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)
07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 07)

I am using Ubuntu 21.04 and everything works fine but it seems that every time I disconnect a network from wifi and re-connect it after some time ubuntu can't remember the password, I mean in the previous version ubuntu 0.04 ubuntu remember's every password why not in ubuntu 21.04.

Is there any solution?

I recently downloaded electronplayer to watch amazon prime and disney+ but it seems to me that their videos are not running in HD the video quality is very low like 360p so I goto chrome and play amazon prime via chrome but the results are the same I don't know why the quality is low but in my other machines which use windows there quality is great. Is there a way to watch in HD.

In ubuntu 20.04 middle mouse button scrolling doesn't working? But in windows 10 it works fine.

I am using Bluetooth intex mouse.

I want to install amazon prime video as an app because when I run prime video on browser video lag and run on sd and yes i also try edge browser it didn't work so please help me and tell how to install prime video as an application.

I installed kali linux on vmware workstation but when i try to plug in a wifi adaptor i am getting this error

I don't know why i am facing this error because when i installed kali using vmware in my window machine the adaptor works fine but it's not connecting in ubuntu 20.04. I also create a extra USB port for the adaptor i don't know what to do please help me.

I want to change position of ubuntu 20.04 top bar that displays time and other stuff is there any way to change its position to bottom.

I am wondering is there anyway to open terminal always with sudo privileges. And is there a way to open specific file with sudo privileges like windows have "run as administrator".

I recently dual boot windows 10 pro and ubuntu 21.04, after installing ubuntu 21.04 when i boot into ubuntu everything works fine except the wifi at that time my bluetooth was working fine but there was no wifi so installed BCM43142 drivers from synaptic package manager and after installing drivers when i reboot my system my wifi start working but my bluetooth stopeped working and stop detecting other devices and connecting already paired devices i already tried many thing like install pulseaudio, restarting bluetooth services, rfkill, reinstalling bluetooth drivers. Nothing work my bluetooth work on windows 10 but not in ubuntu pls help.

lspci output:

00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)
00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
06:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)
07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 07)

lsusb output:

Bus 001 Device 006: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 005: ID 0a5c:21d7 Broadcom Corp. BCM43142 Bluetooth 4.0
Bus 001 Device 004: ID 1bcf:2b8b Sunplus Innovation Technology Inc. 
Bus 001 Device 003: ID c0f4:04e0  
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 1ea7:0064 SHARKOON Technologies GmbH 2.4G Mouse
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

systemctl | grep -i blue output:

sys-devices-pci0000:00-0000:00:1d.0-usb1-1\x2d1-1\x2d1.6-1\x2d1.6:1.0-bluetooth-hci0.device loaded active     plugged   /sys/devices/pci0000:00/0000:00:1d.0/usb1/1-1/1-1.6/1-1.6:1.0/bluetooth/hci0
  sys-subsystem-bluetooth-devices-hci0.device                                                 loaded active     plugged   /sys/subsystem/bluetooth/devices/hci0                                       
  bluetooth.service                                                                           loaded active     running   Bluetooth service                                                           
  bluetooth.target                                                                            loaded active     active    Bluetooth           

dmesg | gerp -i blue output:

[   13.604256] Bluetooth: Core ver 2.22
[   13.604289] Bluetooth: HCI device and connection manager initialized
[   13.604296] Bluetooth: HCI socket layer initialized
[   13.604299] Bluetooth: L2CAP socket layer initialized
[   13.604304] Bluetooth: SCO socket layer initialized
[   15.782083] Bluetooth: hci0: BCM: chip id 70
[   15.783095] Bluetooth: hci0: BCM: features 0x06
[   15.799205] Bluetooth: hci0: shubhang
[   15.799210] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0000
[   16.221057] Bluetooth: hci0: BCM: firmware Patch file not found, tried:
[   16.221061] Bluetooth: hci0: BCM: 'brcm/BCM43142A0-0a5c-21d7.hcd'
[   16.221063] Bluetooth: hci0: BCM: 'brcm/BCM-0a5c-21d7.hcd'
[   18.227516] Bluetooth: hci0: command 0x1003 tx timeout
[   18.229200] Bluetooth: hci0: unexpected event for opcode 0x1003
[   35.453929] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   35.453931] Bluetooth: BNEP filters: protocol multicast
[   35.453935] Bluetooth: BNEP socket layer initialized
[   38.227471] Bluetooth: hci0: command 0x1003 tx timeout
[   38.229183] Bluetooth: hci0: unexpected event for opcode 0x1003
[   74.818324] Bluetooth: RFCOMM TTY layer initialized
[   74.818333] Bluetooth: RFCOMM socket layer initialized
[   74.818343] Bluetooth: RFCOMM ver 1.11

bluetoothctl output:

Agent registered
[CHG] Controller AC:D1:B8:DB:69:38 Pairable: yes

rfkill output:

ID TYPE      DEVICE         SOFT      HARD
 0 wlan      dell-rbtn unblocked unblocked
 1 wlan      phy0      unblocked unblocked
 2 wlan      brcmwl-0  unblocked unblocked
 3 bluetooth hci0      unblocked unblocked

rfkill list all output:

0: dell-rbtn: Wireless LAN
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
3: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no