USB TO SD CARD SLOT PC
To get the recovery image on your USB stick, you’ll need a Chromebook or a Windows / Mac PC with the Chrome browser. And of course, if you have your Chrome OS sync settings enabled, once you’re up and running again, all of your apps, browser history, extensions and so forth will be available. With it, you can re-install Chrome OS and get back to working fairly quickly. The fix is easy and doesn’t take long, provided you have a USB stick. You’re just stuck with a non-functioning device. At that point, they can’t boot their Chromebook so they can’t Powerwash it to reset it to factory settings. It doesn’t happen often - and when it does, you’ll least expect it - but every so often I see folks that have a damaged Chrome OS file system. And preferably, you’ll already have a Chrome OS image on USB stick as well, although that’s not a requirement.
USB TO SD CARD SLOT FULL
The correct syntax for cmdline.I know, it’s sounds silly to make this statement but if you use a Chromebook, I strongly encourage you to carry a USB key or SD card (depending on if your device supports flash memory cards) for one simple reason: In the rare event that your Chromebook needs a full system recovery, you’re going to need it. I'm using usb-boot to create the boot image now, so when it's I'll have my answer (assuming it boots from ssd without an sd card). I was hoping running the set-PARTUUID tool would clear up my confusion but it doesn't seem to have changed the /boot/cmdline.txt file of the running system I want to put into a usb reader to boot with. Just not sure if there should be 2 "=" in the root spec, seems kindof odd. The cmdline.txt value in the screen pic is PARTUUID=5c8f6808-02 without root=, which I think is the issue. I suspect the syntax is either root=5c8f6808-02 or root=PARTUUID=5c8f6808-02 or something like that. I used set-partuuid from usb-boot but /boot/cmdline.txt wasn't changed from root=/dev/mmcblk0p2. I'm trying to figure out what the correct syntax is for cmdline.txt. Usb-boot copies a running system to a USB device (including an SD card in a USB adapter) that has the proper (PARTUUID=) references in the destination device. Thu 6:05 pm image-backup creates an image file of a running system that has the proper (PARTUUID=) references in the image file. Tried 2 different sd / USB card readers but I don't think that's the issue.
USB TO SD CARD SLOT UPDATE
I realized I didn't update /etc/fstab, so put the sd card back into the pi and rebooted to change it, but fstab already used the PARTUUID reference. UPDATE: I just now changed my cmdline.txt to use PARTUUID and it looked like it was going to boot OK, but got a kernel panic soon intothe boot process. Thanks for the info, greatly appreciated!!! Haven't tried it yet, but very easy to do by patching cmdline.txt and rebooting. I'm preparing for a contest some of you may like to participate in, giving away $2500 in prizes: See for details or join us on social media- Telegram: or discord: Back to the square 1 on the image copier! Sure would be nice if the default were UUID to avoid this issue. Just checked the cmdline.txt file (for the image I just finished making 10 copies of with Raspberry Pi Imager!!! ARRG!) and it uses: root=/dev/mmcblk0p2 not UUID. You may find Raspberry Pi EEPROM Manager helpful for EEPROM maintenance. As long as the SD card uses PARTUUID= references in /boot/cmdline.txt and etc/fstab (rather than /dev references), it should boot, assuming the Raspberry Pi 4B has its EEPROM configured for USB-MSD boot.
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