This device is using an alternative driver (wifi) (Zorin OS 16 Lite XFCE)

Hey there , i have a friend who has an old laptop , like really old , its an Aspire 4720Z , and as he said that his laptop is old and laggy , i told him to try linux , and for you zorin would be the best as i also use it as an second os on my pc , well installing zorin lite on his laptop was a whole new journey as it took around 3-4 hours as it was stuck in creating ext4 partition and then i gave up restart the installer and formatted the drive first from the disk usage and install it , it got installed in 15-20 min , well when i installed zorin (core) in my pc it was gnome env , and the lite version was XCFE , never used it as i am also new to linux , well the os is working fine its just that there is no wifi option in the settings , i even tried it by installing gnome desktop (idk why) and check the wifi in the settings , it was there but it said there was no wifi adapter , and when i go to the additional drivers software it has a driver for the wifi card (BCM4311 802.11b/g WLAN) , and it was at do not use this device , when i switched it to using Broadcom 802.11 Linux ..... , and applied the changes after it got applied it said that the device is using an alternative driver , any fix?

Please post the outputs from lspci and lsusb. You need the terminal for that.


LSPCI

00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) (rev 03)
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (secondary) (rev 03)
00:1a.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 03)
00:1a.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 (rev 03)
00:1d.0 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HM (ICH8M) LPC Interface Controller (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) SATA Controller [AHCI mode] (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
04:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4311 802.11b/g WLAN (rev 01)
05:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)
0a:09.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
0a:09.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
0a:09.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12)
0a:09.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 12)


LSUSB

Bus 002 Device 003: ID 064e:a101 Suyin Corp. Acer CrystalEye Webcam
Bus 002 Device 020: ID 04e8:6864 Samsung Electronics Co., Ltd GT-I9070 (network tethering, USB debugging enabled)
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 002: ID 0a5c:2101 Broadcom Corp. BCM2045 Bluetooth
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Can you try the steps here? Broadcom wireless tip - Tried & Tested - Ubuntu MATE Community?

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