Solving USB Flash Drive Problems
If you encounter USB flash drive problems, common causes and solutions are listed in the following table.
USB flash drive is not seen as a drive letter in Windows.
Cause | Solution |
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The drive letter after the last physical drive is not available. | Change the default drive letter for the flash drive in Windows. |
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USB flash drive not found (identified). |
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Cause | Solution |
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The device is attached to a USB port that has been disabled in | Run the Computer Setup utility and ensure that the USB ports |
Computer Setup. | are enabled. |
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The device was not properly seated before | Ensure the device is fully inserted into the USB port before |
| applying power to the system |
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System will not boot from USB flash drive. |
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Cause | Solution |
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Boot order is not correct. | Run the Computer Setup utility and change boot sequence. |
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The image on the device is not bootable. | Insert a bootable device. |
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The computer boots to DOS after making a bootable flash drive.
Cause | Solution |
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Flash drive is bootable. | Install the flash drive only after the operating system boots. |
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174 | Chapter 9 Troubleshooting Without Diagnostics |