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Linux Mastering Development

having issues with wireless network

I’ve been having issues with my wireless card. I was told this is a frequent problem for RTL88XX cards. The problem is it goes off every now and then, and I have to reconnect manually though I believe sometimes it reconnects after a while. Is there any particular parameter under net/wlp1s0/ I could inform to […]

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Linux Mastering Development

Address of a PCI device obtained from lspci -vvv is invalid?

I try to read a PCI device memory area (I know at what offset from that device is stuff I look for) so first I try to obtain the system memory address where that PCI device memory has been mapped. In order to do so I do lspci -vvv and I get: 00:1a.8 Memory controller […]

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Linux Mastering Development Ubuntu

No Audio Drive detected – Ubuntu 20.04 – LG Gram 14 2-in-1

I installed Ubuntu 20.04 and have no audio drive detected. I am using a LG Gram 14 2-in-1. Ubuntu Kernel is 5.4.0-45. Here’s what I know: sudo lspci outputs: 00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX – 82443BX/ZX/DX Host bridge (AGP disabled) (rev 03) 00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01) 00:07.1 IDE […]

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Linux Mastering Development

No HDMI signal on TTY7 when running Buster + NVIDIA GT 640 + nouveau + 4K UHD

Symptom Upgrading from a WQHD ViewSonic display to a giant 4K UHD ViewSonic display yields a No Signal error (via HDMI) after my workstation successfully makes it through GRUB and Plymouth screens. The Debian-branded Plymouth splash screen seems to display at 4K, but then it never displays the LightDM greeter; the new monitor loses the […]

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Linux Mastering Development Ubuntu

[SOLVED}Renesas USB3 uPD720201 not listed under USB3 root hub

I have an issue with Renesas uPD720201 which appears to be performing at USB2.0 speeds. lspci -v shows 03:00.0 USB controller: Renesas Technology Corp. uPD720201 USB 3.0 Host Controller (rev 03) (prog-if 30 [XHCI]) Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at fe500000 (64-bit, non-prefetchable) [size=8K] Capabilities: <access denied> Kernel driver in […]

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Linux Mastering Development Ubuntu

Dell G3 15 sound problems

I have Dell G3 15, since I installed (tried many Linux distros before like Manjaro, KDE) OS which is currently Ubuntu 18.04 LTS Kernel 5.4.0-42-generic I am encountering sounds problems. The sound works only when I plug a headphones to the jack port, without it no single sound from speakers. Unfortunately the microphone doesn’t work […]

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User Help

Windows install fails

ALL, I am trying to follow the instructions found here. As the point 1 suggested, I went here and downloaded the the Windows 10 VirtaulBox ISO. However, trying to install it I’m getting the error: [quote] Something went wrong You can try again or skip for now OOBEREGION [/quote] Clicking Try Again I am coming […]

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Linux Mastering Development Ubuntu

Laptop not resuming from suspend

I have a dell laptop that I installed Ubuntu on and I consistently get an issue where the screen doesn’t come back on, it does sound like the fans are spinning back up though. It is a dell 7352 with intel graphics card (Mesa IntelĀ® HD Graphics 5500 (BDW GT2)), 8GB of Ram and core […]

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Linux Mastering Development

How do I troubleshoot my sd card reader?

My card reader doesn’t seem to be able to recognise, let alone read, anything any more. lspci -v lists the device: 06:00.0 SD Host controller: O2 Micro, Inc. SD/MMC Card Reader Controller (rev 01) (prog-if 01) Subsystem: Lenovo SD/MMC Card Reader Controller Flags: bus master, fast devsel, latency 0, IRQ 128, IOMMU group 15 Memory […]

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Linux Mastering Development

Could not enable discrete graphics card

Briefly describe your issue below: I was following this documentation(https://docs.parrotlinux.org/info/gpu-drivers/) for installing proprietary Nvidia driver. Issue: When I had test run with optirun glxgears I had no errors and it worked but when I followed whole documentation(yes I did create those files and appended the content that instructed) and reboot the system then I ran […]