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Probably the most common error with Raspberry Pi is a corrupted SD card, mainly due to improper shutdown or power failures.
There is not much you can do when this happens, but we’ve listed an additional option besides the fresh re-install.
For other issues that you might have with your Raspberry Pi, visit our Raspberry Pi errors hub.
Also, we have a lot of useful guides in our
section, so you should check it out.
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On the first boot, the Raspberry Pi needs an SD card with the OS mounted on it; otherwise, you can’t go any further.
Many Pi boards come with a microSD card with the NOOBS (New Out Of the Box Software) installer; of course, you can also have your own standalone image. Whichever method you use, it is recommended to use an 8GB for SD card or higher.
But what’s most important, is to use a reliable SD card manufacturer. Now, you might probably not know from the start whether you’ve picked the wrong one, but buying only from authorized suppliers and doing some research on recommended SD card brands for Pi might be helpful.
When booting, you will know that there’s a problem with the SD card if the red LED is blinking, while the green LED is not. Or, the green LED can blink regularly (3 to 8 times) to indicate that there’s a problem with the card.How do I fix the Raspberry Pi SD card issues? 1. Mount a fresh OS image
Format the SD card in another PC, using SDFormatter. (If the formatting fails, the card is broken.)
Get a clean OS or image from here.
Save and insert the card in your Raspberry Pi to see if it works.
This is the standard recommended solution to fix a faulty microSD card. However, users complained that the Pi fails to recognize the card all too frequently and that they have to re-install a fresh image over and over again.
It is very frustrating, which is why the next solution might be helpful, but only after a first successful first boot: namely to make a read-only copy of the OS on a USD stick or another media device.2. Make a read-only copy of the SD card
Copy the Raspberry image to your SD card.
Boot normally from the card, but
don’t Expand filesystem. Set
up time zone and international settings.
Run sudo fdisk/ dev/mmcblk0 and press p to print the current partition table.
Then enter the following commands:
Modify the /etc/fstab as follows:
Run sudo partprobe to recognize the partition.
Format the new partition with sudo mkfs –type ext4 /dev/mmcblk0p3
If you then need to make changes to the system, you can remount the read-only partitions with write access sudo mount -o remount, rw /dev/mmcblk0p2 .Additional info
Users have reported that their SD card was functional when inserted into another Raspberry Pi board – usually an older version than the one that didn’t boot. In the end, they solved the problem with a new card.
Sometimes, just taking the SD card out and rebooting can fix the issue.
It was also mentioned that the plastic holder of the SD card might have been the problem since some Pi version is very picky about these details.
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Difference Between Raspberry Pi vs Orange Pi
Web development, programming languages, Software testing & othersHead To Head Comparison Between Raspberry Pi and Orange Pi
Below is the top 10 difference between Raspberry Pi vs Orange PiKey Difference Between Raspberry Pi and Orange Pi
Below is the list of points describing the difference
1. With the release of Raspberry Pi models into the market, other single board manufacturers entered with growing popularity. The two have the following models or versions available
The Raspberry has the following boards or models:
Raspberry Pi 1 Model B
Raspberry Pi 1 Model A
Raspberry Pi 1 Model B+
Raspberry Pi 1model A+
Raspberry Pi Zero
Raspberry Pi 2
Raspberry Pi 3 Model B
Raspberry Pi Zero W
Whereas the Orange has the following boards or models:
Orange Pi Zero
Orange Pi One
Orange Pi Lite
Orange Pi Mini 2
Orange Pi Prime
Orange Pi PC2
2. With an Orange Pi vs Raspberry Pi, a user can build a computer, a wireless server, Games, Music and sounds, HD video, act as a speaker, Android, Scratch.
4. Talking of the setup and running process, Raspberry Pi beats Orange Pi in terms of complexity. Raspberry is easier to set and function.
5. Since Raspberry was the first and new in its category, it has numerous applications available for its design and circuit information; this makes its users with the necessary info. And quick operating guides. The Orange Pi still has some online applications, but these are not sufficient for its growing user’s needs.
7. Raspberry has almost crossed 19million (source-wiki) product shipping all across the globe, whereas Orange Pi does not have such data available.
9. Despite having several PC lie features and functionality but when it comes to replacement, both Orange Pi vs Raspberry Pi never claim to have an intention.Raspberry Pi vs Orange Pi comparison Table
Just like the iPhone or any other electronic goods, the manufacturers try to enhance productivity compared to the last released model. Not covering the grand name (Raspberry and Orange), convenient for the readers.
The Basis Of Comparison Raspberry Pi 3 Orange Pi Prime
CPU 1.2GHz 64-bit Quad-Core H5 Quad Core Cortex-A53
GPU Broadcom VideoCore IV Mali-450
RAM 1GB DDR2 2GB DDR3 (Shared)
Storage SD Card Onboard
Ethernet/ Wi-Fi/ Bluetooth Yes Yes
GPIO 40 (1×3) UART, Ground
4K Compatible No Yes
USB 4 USB 2.0, 1 Micro OTG 3 USB 2.0, 1 USB 2.0 OTG
OS Supported Raspbian, Windows IoT Core, OSMX, Linux, Ubuntu, Debian, SARPi, and much more Android, Ubuntu, Raspbian, Debian
Weight 45G 68GConclusion
These small card size computing devices can efficiently manage your hardware project requirements. If you have an LCD monitor, need Wi-Fi routers, music systems, Ariel photo-shoot (Drones). These small micro-sized computers have the potential to facilitate their users.
The users (business owners, project head) need to understand the requirement as both Orange Pi vs Raspberry Pi are more or less suitable for wide project categories. A clear picture of the requirement will end in a better product that suits the project. Generally, a small business that has tight budget allocation has infrastructure issues; these microcomputers are best suitable. Server, Wi-Fi, automating a task is crucial and daily activities which cannot be avoided.
These new technologies have saved millions for small businesses as cooling machines and systems (systems that are needed to cool the servers and PC’s) cost many more times in comparison to these microcomputers.Recommended Article
This has been a guide to the top differences between Raspberry Pi vs Orange Pi. Here we also discuss the Raspberry Pi vs Orange Pi key differences with infographics and comparison table. You may also have a look at the following articles –
When your SD card doesn’t format, there’s usually an issue with your access to the card or an issue with your device preventing you from formatting it. While using another device is always an option, it’s best to know the reasons why your SD card won’t format.
Depending on the device you’re using and the way the SD card is connected, there are a few different causes and fixes that may or may not apply to your situation.
There are a few reasons that a person might want to format an SD card. For example:
You should format a new SD card to ensure that it’s error-free and set up for the device you’re using. This is why devices like cameras, phones, and others can format. They prepare the card for use by that specific device.
Formatting a card can erase the data and leave space for new information to be saved to the card.
Formatting an older SD card can help remove any errors or mistakes on the card. That enables you to prevent problems with saving files in the future.
Formatting an SD card on a computer also gives you many options about exactly how you want it formatted. That’s why it’s so important to know which device you’re going to use the card on and what file system it prefers.
Your SD card might not format because of a problem with your device or because the card is protected. Many SD cards can have multiple kinds of write protection to ensure no valuable data is deleted.
You can usually fix problems that prevent your SD card from formatting. If you’re unable to format a card multiple times after trying each solution, the card itself might have an error. At that point, it’s time to start considering replacement SD cards.
Start by checking that the SD card is ready to format. After that, address issues with the device on which you’re trying to format the card.
Before you start, you must back up any data on the disk. Not only does formatting delete the data on the SD card, but some of the solutions can make it harder to retrieve the data later if the drive is damaged or corrupted. Before starting any drive troubleshooting, the best thing to do is to be sure anything on the drive is saved elsewhere.
Two kinds of write protection can be applied to SD cards. One is a physical write-protection that you have to manually take off with the card in your hands. The other is software protection applied from a computer.
If your card is write-protected, you won’t be able to format it. Check for physical write protection first and then check using your computer.
If your card has a notch on the side, you may need a piece of tape to complete the process. That notch can prevent some devices from accessing the SD card.
If it works this time, the physical write protection was the issue. If it doesn’t, check for software-based write protection next.
Use the Diskpart utility to change permissions for your SD card.
Doing these should remove any write protection from your card. Try to format it again to see whether the problem is solved.
If you still can’t format your card – even if you’re using a device other than a computer to complete the format – try formatting it on a PC so that you can use Disk Management. Sometimes, after you complete a format in Disk Management, you can reformat the card in the device that will use it.
If the card still doesn’t format, you can try using Diskpart again to clean it.
When you use the Clean command in Diskpart, you’re telling the program to wipe all the data from the SD card and turn it into unused space. You can create new partitions on it once it’s clean and set it up for future use as well.
You should end up with a freshly formatted NTFS SD card. You can also choose to replace NTFS with FAT32 if you prefer to format it for devices that use the FAT32 file system.
Sometimes changing the drive letter of the SD card will help your device format it. You can choose any unused letter on your system.
If you can format it in Windows after changing the drive letter, try doing it again in the device the card is destined for. CHKDSK
The CHKDSK utility on Windows scans drives for errors and tries to fix them. As long as the card is connected to your computer, it’s treated as a drive. This means you can use utilities like CHKDSK to find problems on the SD card that prevent it from undergoing a format.
If CHKDSK finds problems but cannot repair them, you might need to consider purchasing a new card.
If you’re only having trouble resetting it on a specific device – like a phone or a camera – try resetting the device to default settings. It could be a problem with the device itself that prevents the card from formatting.
This is a last-ditch resort that might help – but often, if you come to this point, the card simply doesn’t work.
Unfortunately, an SD card that can’t be removed from read-only mode and won’t format is often a dead SD card. It saves the data on the card and warns you not to use it anymore when it doesn’t work any longer and has damage or unfixable errors.
If your SD card has reached this point, check out other options. It’s better to buy something new than risk losing your data with a dead card. Also, don’t forget to check your warranty. Sometimes you might be able to get it replaced for free.
Apple swapped the SD card slot on MacBook Pro with four USB-C ports in 2024. It took flak from users who didn’t like the idea of using a bunch of dongle/adapters with their new MacBook Pro. Years later, Apple has reintroduced SD cards and MagSafe charging on 14-inch and 16-inch MacBook Pro.
Unfortunately, there is a deluge of complaints regarding the SD card on the 2023 MacBook Pro. Many users are experiencing slow transfer speeds. Some users are unable to access memory cards on their MacBook Pro. The erratic nature of the problem has confused users. But we have some fixes. Read on!
How to fix SD card reader not working on Mac
Apple has informed users that it is looking into the problem. Till then, we have curated the most effective ways to fix SD cards on MacBook Pro.
1. Upgrade to the latest macOS version
For some users, upgrading to the latest version of macOS did the trick. After upgrading, they could use SD cards without problem on their Mac. If this works, it could be a software bug and not a hardware issue.
The issue was reportedly solved in macOS Monterey 12.1 Beta 4 for some. Hopefully, the update will appear on macOS stable build.
2. Enable external discs in Finder Preferences
Some users report that they are unable to see SD cards in Finder. One of the possibilities is that the external card is hidden in the Finder sidebar. macOS offers many ways to customize Finder toolbars. Follow the steps below to enable the Finder sidebar.
For the sake of convenience, you can create an SD card shortcut on the desktop. Here is how:
Now, you can access the external disc via a desktop shortcut.
3. Unlock SD card
All SD cards come equipped with a slider lock. If the slider is down, the card is locked. When locked, you will no longer get to access the SD card. Hence, before inserting it into the card slot, ensure it is unlocked.
Furthermore, check whether the disk is encrypted. If so, you will need the encryption key/password to access the content.
4. Backup data and format SD card on Mac
Sometimes you can access the contents of the SD card but are unable to transfer data. In such a scenario, create a backup. Once the backup is successful, go ahead and format the SD card. Users have noted that SD card formatted on other devices like DSLR camera or GoPro is not accessible on MacBook Pro.
You can solve this issue by formatting the SD card. You can check our detailed guide to understand the process. Make sure you choose the appropriate Filesystem format. For SD cards larger than 64GB, format with ExFAT, and for smaller cards, you can choose FAT32.
Once done, insert the card and check it is working on your Mac.
Note: The exFAT format works only on newer macOS (Snow Leopard and above).
5. Access SD card in Recovery mode on Mac
Recovery Mode on Mac is an effective way to diagnose software issues. macOS fires up a diagnostic check of your Mac’s startup disk, deleting cache files if necessary. Here is how you can use Recovery Mode on Mac with an Intel chip. If you use an M1-powered Mac, check out this guide.
Next, exit Safe Mode and check if the SD card is working properly.
6. Try changing the SD card adapter
These days most of us use microSD cards. Mac users commonly use an SD card adapter. Some reports claim that SD card adapters affect performance. It is a grey area. However, I suggest you try out a different adapter and see if it makes any difference.
This should help get your SD card up and running. However, if it’s running slow, read on to learn what you need to do.
How to fix slow SD card reader on 14-inch and 16-inch MacBook Pro
Some 2023 MacBook Pro users complained, saying that they could open and access the SD card but experienced slow transfer speeds. Before proceeding, note that Apple has already confirmed the UHS-II (speeds up to 300MB/s) standard for the SD card slot on MacBook Pro.
One of the most common error messages is “The Finder can’t complete the operation because some data in “filename” can’t be read or written.” The below troubleshooting steps should help you fix this error.
1. Check for speeds using an external SD card reader
Arrange for an external card reader and check for transfer speeds. The majority of MacBook users experienced better speeds with an external card reader. If it is the same case with you, the problem is with macOS or the MacBook Pro hardware.
Once diagnosed, you can reach out to Apple Support and ask for an explanation.
2. Clean adapter and card
It is likely for debris to accumulate on SD card contact points and even inside the adapter. Sometimes debris like lint affects performance and could also prevent SD cards from working.
I suggest using a small brush to clean the dust and other particles. If you use an adapter, blow some air to push the dust out.
3. Change SD card to increase data speeds
SD cards are speed-rated by the manufacturer. Each speed class will tell you about transfer speeds. Choosing a memory card of the right speed class is essential. The SD association mentions Class 2, Class 4, 6, and 10, with Class 10 being the fastest. Ideally, transfer speeds on your SD card should correspond to its Speed Class.
Consider upgrading the SD card to one with a higher speed class if necessary.
As a last resort, you can contact Apple Support. They will run a series of diagnostics and find the root cause. If in warranty, Apple will repair your MacBook for free. The company might swap your MacBook Pro with a new device in certain cases.
Other related articles you’ll enjoy reading:
Mahit is an engineer by Education with a corporate stint to his name. He ditched the corporate boardroom wars in favor of the technology battleground. For the better part of a decade, he has worked for popular publishing outlets, including Dennis Publishing, BGR India, AppStorm, MakeUseOf, and iPhonehacks.
Raspberry Pi is a more powerful and decent platform for IoT projects
TheWhy Raspberry Pi?
Raspberry Pi has found its way into the world of aspiring tech enthusiasts for computing. Thanks to its low cost, huge processing power in a compact board, availability of multiple interfaces, readily available examples with community support, and many other features, it much more accessible to everyone. To date, several models of RPi have been released. All of them feature a Broadcom system on a chip (SoC) with an integrated ARM-compatible central processing unit (CPU) and on-chip graphics processing unit (GPU). RPi also houses on the board HDMI port, 3.5 mm analogue audio/video jack, 4X USB 2.0, Ethernet, Camera Serial Interface, Display Serial Interface. One of the most popular OSs used for the Raspberry Pi is the Raspbian Operating system. It is based on the Debian OS, optimized for the RPi hardware. Despite some exciting functions of RPi to the engineering world, it is not apt for professional projects. According to a recentInterfacing RPi with IoT Services
The internet of things (IoT) is a widespread technology across all industries providing features like monitoring, analysis, prediction and control. It is an immersive, ambient networked computing environment built through the relentless proliferation of smart sensors, cameras, software, databases, and huge data centers. An IoT architecture can be categorized into sensors or actuators, internet gateway, edge IT and data center, and cloud. Raspberry Pi, a low-cost wallet-size computer, is considered the next generation of IoT devices. It can be held on the palm with the capacity of functioning as a full-fledged computer. Raspberry Pi (RPi) defines as a series of single-board computers that are now increasingly being used to connect IoT devices. RPi can be plugged into a computer monitor. It is a capable little device that enables people to explore computing and learn how to program in languages like Scratch and Python. It is also capable of performing everything users expect from a computer. Raspberry Pi can interact with the outside world. It is being used in various areas of digital maker projects, including music machines, parent detectors, weather stations and much more.Raspberry Pi has found its way into the world of aspiring tech enthusiasts for computing. Thanks to its low cost, huge processing power in a compact board, availability of multiple interfaces, readily available examples with community support, and many other features, it much more accessible to everyone. To date, several models of RPi have been released. All of them feature a Broadcom system on a chip (SoC) with an integrated ARM-compatible central processing unit (CPU) and on-chip graphics processing unit (GPU). RPi also houses on the board HDMI port, 3.5 mm analogue audio/video jack, 4X USB 2.0, Ethernet, Camera Serial Interface, Display Serial Interface. One of the most popular OSs used for the Raspberry Pi is the Raspbian Operating system. It is based on the Debian OS, optimized for the RPi hardware. Despite some exciting functions of RPi to the engineering world, it is not apt for professional projects. According to a recent AAC survey , nearly 20 percent of respondents asserted using “maker” boards in end products. In a reader question, some community members reported using maker boards, including the Raspberry Pi, in various settings, including some examples of professional development.Raspberry Pi is able to provide an internet gateway as it has a quad-core ARM Cortex A7 CPU with a frequency of 900 MHz and 1 GB LPDDR2 SDRAM. It can be made to function as the Internet Gateway Device. Incorporating an RPi with other off-the-shelf sensors can make an IoT project a much easier task. As the internet of things requires a microcontroller to process the data, Wi-Fi integration to convey that data to the cloud and actuators to control operations, many innovative minds globally choose Raspberry Pi for developing IoT projects.
Differences Between Raspberry Pi 3 and Arduino
Raspberry Pi is a low-cost credit-card-sized computer that plugs into a computer monitor or TV; to operate it, a user can use a standard keyboard and mouse to operate it. Raspberry Pi is a series of single-board computers. This is developed to promote and create awareness of basic computer science in schools worldwide. An Arduino is a microcontroller motherboard. A microcontroller is a simple computer in that only one program can be run simultaneously. It is very easy to use. Arduino is an open-source and prototype platform based on software and hardware.
Start Your Free Software Development CourseRaspberry Pi 3
Raspberry Pi 3 is an online and open-source website creation tool written in PHP language. It is the most popular open source Content Management System. The Raspberry Pi, 3 Model B, is the first Raspberry Pi model to be open-source from the get-go. The Raspberry Pi 3 is a quad-core, much faster and more capable than its previous Raspberry Pi models.
The new board in Raspberry Pi 3 Model B can play 1080p MP4 video at 60 frames per second, which boosts the Pi’s media center credentials.
The Raspberry Pi 3 comes with built-in Wi-Fi and Bluetooth, which helps to also support the wireless internet out of the box.
The Pi 3 board supports remote updates to Pi. Additionally, you can directly share images of the operating system between multiple computer machines, such as the booting process, using a USB-attached hard drive or pen drive and by supporting booting from a network-attached file system.Arduino
Arduino is an open-source and prototype platform based on software and hardware. It is easy to use. Arduino is the overall microcontroller motherboard, and it has ready-made software called Arduino IDE (Integrated Development Environment); this software is used to write and upload the computer program code to the physical board.
Some of the features of Arduino areas listed below:
The microcontroller motherboard in Arduino can read the analog /digital input signals from different sensors and then convert those signals into an output process like turning LED on/off, activating a motor, etc.
The user can control a board’s functions by sending signals (set of instructions) to the microcontroller board using Arduino IDE software.
Arduino does not require any extra piece of hardware/programmer whenever to want to load a new piece of program to the board. It can be done by using a USB cable.
Since Arduino IDE uses a more accessible version of C++, it is easy to learn the programming language to program.Head-to-Head Comparison Between Raspberry Pi 3 and Arduino (Infographics)
Below are the top 6 differences between Raspberry Pi 3 vs ArduinoKey Differences between Raspberry Pi 3 and Arduino
Both are popular choices in the market; let us discuss some of the major differences:
The Raspberry Pi 3 is a series of single Board computers. The single-board consists of a fully functional computer with its dedicated memory, processor, and operating system (runs on Linux). Whereas Arduino is a Microcontroller board, which is less powerful than Raspberry Pi 3 single-board computers, a microcontroller board can be great for quick setups.
The Raspberry Pi 3 is faster than the Arduino, which means Raspberry Pi 3 has 1.2 GHz, whereas Arduino has only 16 chúng tôi helps to process tasks like playing videos, surfing the web, listening to music, etc., very fast compared to Arduino.
Arduino is a simple approach and more attractive for building a project. The Arduino has a convenient and user-friendly time interfacing with analog sensors, motors, or other components, whereas Raspberry Pi 3 has a very complicated path to get sensor readings, such as installing software, libraries, etc.
Designers intended the Raspberry Pi 3 to run operating systems, while they did not design Arduino to operate on any operating systems.Raspberry Pi 3 vs Arduino Comparison Table
Comparison Raspberry Pi 3 Arduino
About & Definition The latest version of the Raspberry Pi computer is the Raspberry Pi 3 Model B.
Raspberry Pi is a series of single-board computers. It is a credit-card-sized computer with a low cost, which plugs into a computer monitor or TV, and to operate it, a user can use a standard keyboard and mouse to operate it.
An Arduino is a microcontroller motherboard. A microcontroller is a simple computer in that only one program can be run simultaneously. It is very easy to use.
Arduino is an open-source and prototype platform based on hardware and software which is easy to use.
The Raspberry Pi 3 is a series of single Board Computer. The single-board consists of a fully functional computer with its dedicated memory, processor, and operating system (runs on Linux). The Arduino is a Microcontroller board, and this board is not as powerful as Raspberry Pi 3 single-board computers, but the microcontroller board can be great for quick setups.
Microcontrollers are good when it comes to controlling small devices, but it is not possible to run an entire operating system.
The Raspberry Pi 3 can be connected to Bluetooth devices and the internet right out of the box using Ethernet or by connecting to Wi-Fi. Arduino cannot connect to Bluetooth devices and the internet without a Shield, which adds Internet or Bluetooth connectivity. HATs (Hardware Attached on Top) and Shields help with this process.
Ports available on the board
HDMI port, audio port, 4 USB ports, camera port, and LCD port help in media applications.
Arduino does not have any of the ports on the Microcontroller board.
But it can be achieved by using Shields.
The Raspberry Pi 3 is a set of several -computer; it performs multitask several programs with its Broadcom BCM2837 SoC, which means to build a complex project, needs multiple actions at a time and can be achieved easily using Raspberry Pi 3. It cannot be achieved in Arduino since Microcontrollers have only 16 MHz
Area of usage Raspberry Pi is best to use when a user requires a fully-fledged computer means when the user wants to control a more complicated robot, doing intense calculations, and performing multiple tasks. Arduino microcontroller board can be used for simple and repetitive tasks such as functionality like a garage door opening and closing of it, reading temperature and reporting it to social websites (ex: Twitter), and run a simple robot.Conclusion
If someone is building a project which involves several functionalities at the same time, requires easy access to the internet, and also needs media accessibility, then Raspberry Pi 3 will be a perfect choice.Recommended Article
This has been a guide to the top difference between Raspberry Pi 3 vs Arduino. Here we also discuss the key differences with infographics and comparison tables. You may also have a look at the following Raspberry Pi 3 vs Arduino articles to learn more –
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