2019年11月10日 · I have been using RPi4 for a while and I have found some problems playing videos on VLC and YouTube. After searching for a long time, I found that these problems can be solved by increasing GPU memory. I found that option in the Raspberry Pi configuration I need to know , What is the maximum and minimum memory value for GPU?

2021年3月9日 · Problem. I have a bluetooth device that was connecting fine with RPi4 with buster after the GUI has loaded but I am now having problems with the connection after boot and with reconnecting once disconnected.

2020年7月12日 · Actually there are rarely power adapters for USB powered devices that deliver more than 20W or 4A on 5V voltage. These apple power supplies are using higher voltage to deliver more power at the same amperage. I don't think rpi4 is …

2019年7月16日 · I have an RPI4 running a Plex server, Pihole, etc etc. Power kept dropping while running certain tasks involving the attached HDD, so I started using a powered USB3 hub - problem solved. But now the Pi won't boot with the powered USB hub attached.

1993年4月19日 · Do not use values greater than 15 seconds, as that's the limit for the RPi4's countdown timer. Optionally, if you want the watchdog timer to also detect systemd crashing then edit /boot/cmdline.txt to add to the existing line the new kernel parameter. bcm2835-wdt.nowayout=1 then reboot the system with the command sudo systemctl reboot.

2019年11月18日 · RPi4 is a headless / keyboard less system with access when running via SSH to commandline only - gui desktop not installed so 'SD card copier' can't be used. Standard windows SD card copier programs referenced on various forums appear to fail when writing back a backup image that they take i.e. 2nd partition appears to not be copied back?

2019年6月25日 · Voltage level; The power management IC (PMIC, see section 3) is a MXL7704 with an input voltage range of 4.0 V to 5.5 V and an absolute maximum rating of 6 V that must not be exceeded.

2022年3月27日 · I'm as new as it gets to the RPi world. Trying to set up a retro-gaming (yep, I'm one of those). I'm on a RPi4 2GB and I have an image flashed to my drive and when trying to boot, I get the followi...

2020年3月10日 · Is there an established aarch64 or armv8 install using arch on the RPi4, without extensive tinkering? I do have Manjaro Arm on a different micro SD card (which is aarch64), but wanted to play a little with original arch on my Pi. This is not my first go with arch, although usually it is not my main distro.

2020年2月26日 · My config.txt has: dtoverlay=pi3-disable-bt enable_uart=1 at the end and my cmdline.txt has: root=/dev/mmcblk0p2 rootwait console=tty1 console=ttyAMA0,115200 And here's how I've connected it: I