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What are the reasons why a car USB cannot read a USB flash drive?

2 Answers

MacElliot

07/28/25 11:40pm

Car USB cannot read USB flash drive reasons and solutions are as follows: 1. Reason one: The car USB cannot recognize USB flash drives with too large capacity. Solution: Try using a USB flash drive with smaller capacity. 2. Reason two: The USB flash drive format is not supported by the car's USB interface. Solution: Many car USB interfaces only support USB flash drives in FAT format, so you need to format the USB flash drive to FAT format. 3. Reason three: The USB flash drive is damaged. Solution: Take the USB flash drive to a repair shop for fixing. Additional information: Advantages of USB flash drives: 1. USB flash drives are very simple and convenient to use. 2. USB flash drives are compact and easy to carry. 3. USB flash drives have good security. 4. USB flash drives have large storage capacity.

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McTaylor

08/12/25 4:01am

I've encountered the issue of the car USB not recognizing the USB drive several times, usually due to problems with the USB drive itself. For example, if the format is incorrect—car systems typically only recognize FAT32 format. If your USB drive is in NTFS or other advanced formats, the car's audio system won't recognize it. Additionally, if the USB drive's capacity is too large, many cars only support drives under 32GB; exceeding this limit can easily cause malfunctions. Another common issue is poor contact due to dust accumulation or looseness in the port, leading to unstable signals. Sometimes, it's a bug in the car's software, requiring a restart of the main system or a firmware update. I recommend first checking if the USB drive can be read normally on a computer or trying a smaller, older USB drive. If the problem persists, you might need to visit a professional shop to repair the port. I've also experienced cases where the car system couldn't handle too many files on the USB drive—deleting some files resolved the issue.

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