Score:3

Ubuntu 20.04LTS - not recognizing Wifi intermittently

ru flag

The issue I am facing is quite strange. I am using Ubuntu 20.04 LTS on my Dell inspiron laptop. The issue is sometimes my Wifi network wont even show up in the list . The network list will show other nearby Wifi(s) but not mine. I tried to restart multiple times but no use. If i dont use a laptop for a day, then next day it would recognize my Wifi and will work fine for few days . I checked other question but could not find any solution. I even re-installed Ubuntu . My machine currently uses Broadcom driver BCM4312 802.11b/g LP-PHY

Jay avatar
in flag
Jay
Hi, I seem to be having the same problem. I don't know how to go about it though https://askubuntu.com/questions/1357883/i-can-t-see-my-wireless-network-in-the-list
darth_epoxy avatar
nl flag
Looks like an integrated card with bluetooth and I have had issues on the last few laptops. Can you add the output of `lspci -vvnn | grep -A 9 Network` please?
Sagar avatar
ru flag
hi @darth_epoxy , here is the output
Sagar avatar
ru flag
0c:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01) Subsystem: Dell Wireless 1397 WLAN Mini-Card [1028:000c] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 17 Region 0: Memory at f69fc000 (64-bit, non-prefetchable) [size=16K] Kernel driver in use: wl Kernel modules: ssb, wl
darth_epoxy avatar
nl flag
Dude that's an old one, I thought you may have made a typo, sorry for assuming. Try this https://askubuntu.com/questions/104972/bcm4312-drops-after-a-while
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