[SOLVED] Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

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Wolfpeach
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[SOLVED] Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

Post by Wolfpeach » Fri Aug 31, 2018 5:53 am

I cant find, or activate, the wifi network (Realtek RTL8821CE 802.11ac PCIe) on my new install of Mint 19 Mate. It works fine with windows 10, but I'd rather use Mint. The dual-boot install was smooth, and the touchpad works perfectly, but wifi is missing. I've tried running driver manager, but it exited with "no proprietary drivers are in use".

I followed the extensive thread and advice given to JVR, here: viewtopic.php?f=90&t=273099&p=1519671#p1519671 , downloading the driver from github, editing Makefile in nano, and then doing

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make
sudo make install
sudo modprobe 8821ce
but it has not worked. When I get to the final stage, after running

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sudo modprobe 8821ce
I get the error:
modprobe: ERROR: could not insert '8821ce': Required key not available

(I originally posted this as a reply to his post - but realised perhaps I should have started a new topic here, as this seems beyond a simple newbie request. Hope this is ok!)

I've also tried usb-booting with older kernel, Mint 18.3 (Mate), and found the same problem - no wifi present.

All of the steps shown in the successful solution for the OP seemed to work, up until the final stage, where I get the "required key not available" error, which has me stumped. Same version of Mint, same Wifi card, but different outcome. The only thing I can think is different is the rest of the hardware (Lenovo rather than HP), but not sure how that would make a difference? If the solution hadnt worked for the OP, I would be tempted to think that the driver for an 8821ce just didnt work with Mint, but I now have no idea where to go with this.

Hope this is the right place to be posting this... I'd be grateful for any advice.

Here are my system stats:

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a@330:~$ inxi -Fxz
System: Host: 330 Kernel: 4.15.0-33-generic x86_64 bits: 64 gcc: 7.3.0
Desktop: MATE 1.20.1 (Gtk 3.22.30-1ubuntu1)
Distro: Linux Mint 19 Tara
Machine: Device: laptop System: LENOVO product: 81D6 v: Lenovo ideapad 330-15AST serial: N/A
Mobo: LENOVO model: LNVNB161216 v: SDK0J40700WIN serial: N/A
UEFI: LENOVO v: 8UCN06WW date: 04/10/2018
Battery BAT0: charge: 32.0 Wh 99.9% condition: 32.0/30.6 Wh (105%)
model: CPT-COS L16C2PB2 status: Full
CPU: Dual core AMD A9-9425 RADEON R5 5 COMPUTE CORES 2C+3G (-MCP-)
arch: Excavator rev.0 cache: 2048 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm) bmips: 12399
clock speeds: max: 3100 MHz 1: 1473 MHz 2: 1542 MHz
Graphics: Card: Advanced Micro Devices [AMD/ATI] Device 98e4 bus-ID: 00:01.0
Display Server: x11 (X.Org 1.19.6 )
drivers: fbdev,ati (unloaded: modesetting,vesa,radeon)
Resolution: 1366x768@76.00hz
OpenGL: renderer: llvmpipe (LLVM 6.0, 128 bits)
version: 3.3 Mesa 18.0.5 Direct Render: Yes
Audio: Card-1 Advanced Micro Devices [AMD] Device 157a
driver: snd_hda_intel bus-ID: 00:09.2
Card-2 Advanced Micro Devices [AMD/ATI] Device 15b3
driver: snd_hda_intel bus-ID: 00:01.1
Sound: Advanced Linux Sound Architecture v: k4.15.0-33-generic
Network: Card-1: Realtek RTL8821CE 802.11ac PCIe Wireless Network Adapter
port: 2000 bus-ID: 01:00.0
IF: N/A state: N/A mac: N/A
Card-2: Realtek RTL8101/2/6E PCIE Fast/Gigabit Ethernet controller
driver: r8169 v: 2.3LK-NAPI port: 1000 bus-ID: 02:00.0
IF: enp2s0 state: up speed: 100 Mbps duplex: full mac: <filter>
Drives: HDD Total Size: 1000.2GB (1.4% used)
ID-1: /dev/sda model: ST1000LM035 size: 1000.2GB
Partition: ID-1: / size: 433G used: 14G (4%) fs: ext4 dev: /dev/sda6
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: No active sensors found. Have you configured your sensors yet? mobo: N/A
Info: Processes: 156 Uptime: 5 min Memory: 1181.7/7425.2MB
Init: systemd runlevel: 5 Gcc sys: 7.3.0
Client: Shell (bash 4.4.191) inxi: 2.3.56

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a@330:~$ rfkill list all
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
a@330:~$ iwconfig
lo no wireless extensions.

enp2s0 no wireless extensions.


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a@330:~$ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1576
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Device 1577
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 98e4 (rev da)
00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 15b3
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 157b
00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 157c
00:02.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 157c
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 157b
00:08.0 Encryption controller: Advanced Micro Devices, Inc. [AMD] Device 1578
00:09.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 157d
00:09.2 Audio device: Advanced Micro Devices, Inc. [AMD] Device 157a
00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 20)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 4b)
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 49)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 4b)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 15b5
01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 07)
Last edited by Wolfpeach on Sun Sep 02, 2018 4:55 pm, edited 1 time in total.

JeremyB
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Re: Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

Post by JeremyB » Fri Aug 31, 2018 6:18 am

Go into BIOS/UEFI settings and disable Secure Boot and that will fix the required key not available and allow the driver to be loaded

Wolfpeach
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Re: Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

Post by Wolfpeach » Fri Aug 31, 2018 3:11 pm

Thanks JeremyB! That worked perfectly. I dont understand how changing the BIOS settings impacted a driver install once the OS had booted, but it did... After disabling secure boot, and going through the previous steps (editing Makefile, doing
make
sudo make install
sudo modprobe 8821ce
)

all is now working... (didnt even need to reboot, wifi just appeared).

Thank you! :)

swaraj
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Re: Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

Post by swaraj » Sat Jun 15, 2019 8:36 am

JeremyB wrote:
Fri Aug 31, 2018 6:18 am
Go into BIOS/UEFI settings and disable Secure Boot and that will fix the required key not available and allow the driver to be loaded
for lenovo ideapad 330 in BIOS .. how to disable secure boot ? please help me out with this.

aconymous
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Re: Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

Post by aconymous » Mon Jul 22, 2019 1:20 am

swaraj wrote:
Sat Jun 15, 2019 8:36 am
JeremyB wrote:
Fri Aug 31, 2018 6:18 am
Go into BIOS/UEFI settings and disable Secure Boot and that will fix the required key not available and allow the driver to be loaded
for lenovo ideapad 330 in BIOS .. how to disable secure boot ? please help me out with this.
u don't need to change anything, ideapad 330 there is no secure boot interface in BIOS, :)

JeremyB
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Re: Wireless not working on Lenovo ideapad 330 w/ Mint 19 (Mate)

Post by JeremyB » Tue Jul 23, 2019 5:22 pm

aconymous wrote:
Mon Jul 22, 2019 1:20 am
swaraj wrote:
Sat Jun 15, 2019 8:36 am
JeremyB wrote:
Fri Aug 31, 2018 6:18 am
Go into BIOS/UEFI settings and disable Secure Boot and that will fix the required key not available and allow the driver to be loaded
for lenovo ideapad 330 in BIOS .. how to disable secure boot ? please help me out with this.
u don't need to change anything, ideapad 330 there is no secure boot interface in BIOS, :)
Are you sure? A lot of computers made since around 2012 are UEFI and have the Secure Boot function,

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