Hardware⏱️ 3 min read📅 2026-06-19

How to Fix: Error "usb 4-5: string descriptor 0 reado error: -22" when booting into Ubuntu

Technical issue analysis for USB 4-5 string descriptor 0 read error: -22 on Ubuntu boot.

Quick Answer: The issue is likely related to the graphics card, specifically the Radeon R7. Try updating the graphics drivers or disabling them in the BIOS settings.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🛠️ Step-by-Step Verified Fixes
  3. ✨ Wrapping Up

Error 'usb 4-5: string descriptor 0 read error: -22' when booting into Ubuntu affects users who are assembling computers for use as HTPCs or small home servers. This issue can be frustrating, especially when trying to install an operating system like Ubuntu.

The primary goal of this troubleshooting guide is to help you identify and resolve the root cause of the 'usb 4-5: string descriptor 0 read error: -22' error during boot-up.

🔍 Why This Happens

  • The first main reason for this error is a compatibility issue between the USB device and the motherboard. The Radeon R7 graphics card may be causing conflicts with the USB ports, leading to this error.
  • Another possible cause could be a faulty or incompatible power supply unit (PSU) that is not providing sufficient power to the system, resulting in a unstable boot process.

🛠️ Step-by-Step Verified Fixes

Updating the BIOS and using a compatible PSU

  1. Step 1: Step 1: Check if the motherboard has a UEFI firmware and update it to the latest version. This can be done by visiting the manufacturer's website or using tools like Intel Extreme Tuning Utility (for Asrock motherboards).
  2. Step 2: Step 2: Ensure that the power supply unit (PSU) is compatible with the system components. A standard ATX 500W PSU should be sufficient for this build.
  3. Step 3: Step 3: If possible, try swapping the PSU with a known good one to rule out any issues with the current PSU.

Using a USB port with a lower power consumption

  1. Step 1: Step 1: Identify the specific USB port that is causing the error. In this case, it's likely USB port 4-5.
  2. Step 2: Step 2: Try using a different USB port on the motherboard to rule out any issues with port 4-5.
  3. Step 3: Step 3: If possible, use a USB hub or adapter to connect devices to a lower-power USB port (e.g., USB 3.0) and see if the error persists.

✨ Wrapping Up

To resolve the 'usb 4-5: string descriptor 0 read error: -22' error during boot-up, try updating the BIOS, using a compatible PSU, or switching to a different USB port with lower power consumption. If none of these steps work, it may be worth seeking further assistance from the motherboard manufacturer or a professional technician.

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