1. To boot into Windows
Press F12 to enter boot menu. Choose Windows.
2. To boot into Ubuntu
(1) Do NOT press F12. Simply wait, and choose 'Ubuntu'.
Explanation: To boot into Windows, use Windows Boot Manager; to boot into Ubuntu, use GRUB.
(2) Press F12 to enter boot menu. Choose Ubuntu.
To extract English texts - $ sudo apt install tesseract-ocr$ tesseract your_image_name.png extracted_text.txt
To extract Simplified Chinese texts -
$ sudo apt install tesseract-ocr tesseract-ocr-chi-sim
$ tesseract your_image.tiff output_text.txt -l chi_sim
To extract Traditional Chinese texts -
$ sudo apt install tesseract-ocr tesseract-ocr-chi-tra
$ tesseract your_image.tiff output_text.txt -l chi_tra
To extract multiple languages, e.g. English and Simplified Chinese, and Traditional Chinese texts -
$ tesseract your_image.tiff output_text.txt -l eng+chi_sim+chi_tra