Yes, depending on how you define 'only'. The keyboard and palm rest are pretty much integral, you need to melt plastic tabs to replace 'only' the keyboard. I have replaced my 5770 keyboard. The repair manual is still (11/2024) available here: https://dl.dell.com/topicspdf/inspiron-17-5765-laptop_service-manual_en-us.pdf[br]
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Essentially you disassemble the computer from the bottom. The manual explains the procedure step-by-step. For me, the hard part was popping the base cover, even starting at the corner as directed; it took more force that I expected. The second time I opened the case to upgrade the network card it went quickly.