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after new install 1st there is no WiFi available then i installed the driver for rlt8821ce network card then wifi start working after reboot .

sudo apt install bc module-assistant build-essential dkms git clone https://github.com/tomaspinho/rtl8821ce cd rtl8821ce sudo m-a prepare sudo ./dkms-install.sh

these are the steps i did.

now the problem is there is no sound output from inbuilt speakers and headphone jack,
but can hear sound in Bluetooth headphone and through HDMI

lspci 00:00.0 Host bridge: Intel Corporation Gemini Lake Host Bridge (rev 06) 00:00.1 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Dynamic Platform and Thermal Framework Processor Participant (rev 06) 00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 605 (rev 06) 00:0e.0 Multimedia audio controller: Intel Corporation Device 3198 (rev 06) 00:0f.0 Communication controller: Intel Corporation Celeron/Pentium Silver Processor Trusted Execution Engine Interface (rev 06) 00:12.0 SATA controller: Intel Corporation Device 31e3 (rev 06) 00:13.0 PCI bridge: Intel Corporation Gemini Lake PCI Express Root Port (rev f6) 00:15.0 USB controller: Intel Corporation Device 31a8 (rev 06) 00:16.0 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO I2C Host Controller (rev 06) 00:16.1 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO I2C Host Controller (rev 06) 00:16.2 Signal processing controller: Intel Corporation Device 31b0 (rev 06) 00:16.3 Signal processing controller: Intel Corporation Device 31b2 (rev 06) 00:17.0 Signal processing controller: Intel Corporation Device 31b4 (rev 06) 00:17.1 Signal processing controller: Intel Corporation Device 31b6 (rev 06) 00:17.2 Signal processing controller: Intel Corporation Device 31b8 (rev 06) 00:17.3 Signal processing controller: Intel Corporation Device 31ba (rev 06) 00:18.0 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO UART Host Controller (rev 06) 00:18.1 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO UART Host Controller (rev 06) 00:18.2 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO UART Host Controller (rev 06) 00:18.3 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO UART Host Controller (rev 06) 00:19.0 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO SPI Host Controller (rev 06) 00:19.1 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO SPI Host Controller (rev 06) 00:19.2 Signal processing controller: Intel Corporation Celeron/Pentium Silver Processor Serial IO SPI Host Controller (rev 06) 00:1c.0 SD Host controller: Intel Corporation Celeron/Pentium Silver Processor SDA Standard Compliant SD Host Controller (rev 06) 00:1e.0 SD Host controller: Intel Corporation Device 31d0 (rev 06) 00:1f.0 ISA bridge: Intel Corporation Device 31e8 (rev 06) 00:1f.1 SMBus: Intel Corporation Celeron/Pentium Silver Processor Gaussian Mixture Model (rev 06) 01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter

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