Maintenance and Service Guide
Table Of Contents
- Product description
- Components
- Illustrated parts catalog
- Removal and replacement procedures preliminary requirements
- Removal and replacement procedures for Customer Self-Repair parts
- Removal and replacement procedures for authorized service provider parts
- Interpreting system validation diagnostic front panel LEDs and audible codes
- Troubleshooting guide
- Resources
- General troubleshooting steps
- Identify the issue
- Analyze the issue
- Resolve the issue
- Verify solution
- Helpful Hints
- Common issues and possible solutions
- Additional information
- Acronyms
- Blinking lights and boot error codes
- Processor not executing code
- BIOS recovery code unable to find valid BIOS recovery image
- Memory module error
- Graphics Controller Error (No Controller)
- Failure - System Board Error
- Intel Trusted Execution Technology (TXT) Error
- Sure Start unable to find valid BIOS Boot Block image
- Sure Start has identified a problem (Manual Recovery Policy Set)
- POST error messages and user actions
- Routine maintenance for performance improvement
- Common blue screen error messages
- Use Windows Debugging Tool
- Display issue: pixel anomalies
- Cable management
- Connector types
- Computer Setup (BIOS), TPM, and HP Sure Start
- Using HP PC Hardware Diagnostics
- Backing up, restoring, and recovering
- Specifications
- Power cord set requirements
- Statement of memory volatility
- Recycling
- Index

Display
Table 2-3 Display components and their descriptions
Component Description
(1) WWAN antennas* (select products only) Send and receive wireless signals to communicate with wireless wide
area networks (WWANs).
(2) Ambient light sensor (select products only) Adjusts the brightness of the display, depending on the ambient
light.
(3) Internal microphones Record sound.
(4) Camera light(s) (select products only) On: One or more cameras are in use.
(5) Camera(s) (select products only) Allow(s) you to video chat, record video, and record still images.
Some cameras also allow a facial recognition logon to Windows,
instead of a password logon.
NOTE: Camera functions vary depending on the camera hardware
and software installed on your product.
(6) Camera privacy cover (select products only) When closed, the camera privacy cover conceals the camera.
● To reveal the camera, slide the cover to the left.
● To conceal the camera, slide the cover to the right.
(7) WLAN antennas* (select products only) Send and receive wireless signals to communicate with wireless local
area networks (WLANs).
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the
antennas free from obstructions.
For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or
region.
To access this guide:
▲ Type HP Documentation in the taskbar search box, and then select HP Documentation.
10 Chapter 2 Components