For Windows XP/7/8.1/10 (32/64 bit) Mac OS CH340 USB to Serial Driver. If the FTDI, Silicon Labs or Prolific USB drivers do not work for your scanner, its most likely you need this driver Windows CH340 USB to Serial Driver. Inside the big USB plug is a USB<->Serial conversion chip and at the end of the 36' cable are four wire - red power, black ground, white RX into Mac Won't Recognize USB, What Should You Do?For ELM327 USB Scanners with the CH340 Serial to USB Chip. Adafruit Industries, Unique & fun DIY electronics and kits USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi : ID 954 - The cable is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port.When buying the cable, take a look at the chipset if it is supported on OS X. I bought Knig USB-Serial conversion cable for 11.30 (unfairly expensive) from local electronics store. Get USB to RS232 adapter or cable.Though not a usual thing, the issue of an external hard drive or flash drive not showing up on Mac happens sometimes. Did you come across the situation that no matter how many times you try to connect the USB drive with a Mac computer, the USB drive is not showing up anywhere? Why this time Mac won't recognize a connected USB you may wonder. Commonly, when you insert a USB drive in the USB port on a Mac computer, the drive will soon appear on the desktop or hide in the Finder, letting you access, view, and manage data on it. Recovery from, 133 power source preferences, 132 powered USB ports, 103 PowerPC apps, 16.Try all the available USB ports on your Mac.Step 2. Plug the USB drive out from the not working USB port and change to the other USB port. If this operating system restarting fails to solve the current problem, move on to check the physical connectivity issue step by step.Step 1. Change the USB-to-Mac connection wayHave you tried to restart your Mac once or twice? Before taking further measures, don't forget the most efficient way to tackle commonplace hardware glitches that arises from time to time. Take a quick glance at the main content and directly jump to the part you're most interested in. Important As losing the access to data is the most direct impact of Mac not detecting a USB drive, you might need to perform USB data recovery on Mac.
Look For Usb Prolific Serial Console PortBy selecting this option, we can make sure that the connected external USB hard drive or flash drive will normally show up in the Finder.Fix 4. If your flash drive or external hard drive is not showing up there, go to Finder > Preferences > Sidebar, and under Locations, you need to tick the option "External disks". Change settings for Mac recognize an external hard disk in the FinderFinder is the other access for us to check a connected external drive on Mac. Then you'll see the USB flash drive showing up on Mac desktop.Fix 3. Thus, you should go to Finder > Preferences > General and make sure the "External disks" option is ticked. Why are there more games for pc than macPress Command+Option+Esc keys to close all applications that are not responding.Step 3. Restart Mac computer, press the Command +Option+P+R keys until the Apple logo appears.Step 2. Reset USB ports on Mac to detect a USB driveStep 1. Click "USB" on the left panel, and you can also check the USB flash drive information.Fix 5. Go to Applications > Utilities > Disk Utility. Repair USB flash drive with First Aid if it doesn't show upStep 1. Don't give up and try to do some repair by yourself. Shut down the Mac, unplug the power cord, reattach it after 15 seconds.If this doesn't work, we should suspect the corruption issue at this moment. Wake up the computer after a few seconds by pressing any key.Step 5. If it doesn't show up, click Apple icon and select "Sleep".Step 4. Open Terminal in Utilities, type: diskutil list and press Return.Step 2. Check and fix errors in a not recognized USB with TerminalStep 1. Select the USB drive and click "Unmount" at the top toolbar, unplug the USB and plug it back in 10-15 seconds.Fix 7. Disk Utility will repair any errors on the drive automatically.Step 3. Save data and reformat the not showing USB driveDisk reformatting basically solves many hard drive issues, including the not showing up USB, particularly the time when you are able to see the USB icon but files are not showing. Reconnect your USB flash drive back to Mac, if no error shows up, your USB flash drive is safe. Click "Errors and Faults" to check if there are any errors.Step 7. Close Terminal and open Console to inspect your drive errors.Step 6. Type: diskutil list and press Return.When the USB disappear from the Terminal list, close the window.Step 5. (Replace 2 with the disk number of your USB flash drive.)Step 3. Type: diskutil eject disk 2 and press Return.Step 4. Reformat the USB drive in Disk Utility.Download for Mac Also Available for WindowsStep 1. Download EaseUS Data Recovery Wizard for Mac, the professional Mac data recovery software, to perform a full USB drive data recovery. As long as the data matters, you need to follow the standard procedure to ensure zero data loss. Amtemu for adobe cc 2018 macThis time, take a close look at the settings whether your Mac is up-to-date. Update your macOS and firmwareDid your Mac's OS keep updating all the time? Chances are that your Mac won't recognize a USB drive, especially after a macOS update. Finish the necessary information (name, format, and scheme) to format the USB flash drive. Select the not showing up USB flash drive in the Disk Utility sidebar.Step 4. If you've tried all the suggested troubleshooting methods, the USB drive is still not showing up on Mac, you have to accept the truth that it's severely damaged and beyond your ability to repair it.Mac won't recognize a badly damaged flash drive or external hard drive since there is no way to show it up, even temporarily, which makes the data recovery difficult. Send the USB drive to a repair centerNowadays even the branded USB flash drives are not expensive. So, keep your software and firmware up to date will likely make the USB drive show up as normal again.Fix 10. Hence, always try the cost-effective plan of using EaseUS Data Recovery Wizard to scan the USB drive for the first attempt. You need to prepare for the manual data recovery cost, which is noticeably higher than the software data recovery.
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