Use Categories and the search window to narrow the search.
Search for "27 all in one" (for a 27" all in one)
Any of the videos that show how to replace an internal part will show the process of opening the device.
If you can find the specific video for your computer / project, all the better.
Device Home Page - References and Resources –Learn about your Device - Solve Problems
NOTE: Content depends on device type and Operating System
Categories: Alerts, Warranty Check, HP Drivers / Software and BIOS, How-to Videos, Bulletins/Notices, How-to Documents, Troubleshooting, User Guides / Manuals, Service and Maintenance Guide (Replacement Parts / Procedures), Product Information (Specifications)...
When the website support page opens, Select (as available) aCategory>Topic >Subtopic
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