Unable to load NLS charset. the USB flash disk cannot be mounted. The system prompts "No such device" during USB mounting. Mount: mounting/dev/sda1 on/mnt failed:

In fact, this is a kernel configuration problem, mainly because the file system is incomplete. Of course, the USB driver and mass storage/SCSI disk/vfat support should be selected. If not, refer to the following:

1. Prompt

Unable to load NLS charset cp437

Fat: codePage cp437 not found

Enter

File Systems --"
Native Language Support --"
<*> CodePage 437 (United States, Canada)

Select it. If

2. Prompt again:

Unable to load NLS charset iso8859-1

Fat: Io charset iso8859-1 not found

Enter:
File Systems --"
Native Language Support --"
<*> Nls iso 8859-1 (Latin 1; Western European ages)

Select it!