Maintenance and Service Guide
Table Of Contents
- Product overview
- Standard features
- Integrated features
- Stand options
- HP Engage One Basic I/O Connectivity Base components
- HP Engage One Advanced I/O Connectivity Base components
- Connecting an AC adapter to power
- Locating the Engage One power button
- Locating the I/O connectivity base power button
- Adjusting the Engage One head unit
- Engage One serial number location
- I/O connectivity base serial number location
- Illustrated parts catalog
- Routine care, SATA drive guidelines, and disassembly preparation
- Removal and replacement procedures
- Preparation for disassembly
- Attaching an I/O connectivity base to the Engage One
- Connecting a standalone I/O connectivity base to the Engage One
- Configuring the I/O connectivity base’s powered serial ports
- Connecting a standalone optional fingerprint reader to the I/O connectivity base
- Attaching an optional fingerprint reader to the I/O connectivity base
- Removing and attaching the Engage One head unit to the stand
- Mounting the Engage One head unit to a wall
- Mounting the Engage One to a counter top
- Installing a security cable on the I/O connectivity base
- Installing a security cable on the Engage One column
- Installing a security screw on the Engage One head unit and stand
- Installing a security screw on the Engage One head unit and VESA mount
- Removing and replacing the column printer
- Removing the display panel
- System board components
- Installing a 2 x 20 customer-facing display (CFD)
- Memory modules
- Removing and installing an M.2 solid-state drive (SSD)
- Removing the WLAN module
- Removing the heat sink
- Removing the fan assembly
- Removing the speakers
- Removing the power button board
- Removing the MSR (Magnetic Stripe Reader)
- Removing the MSR LED board
- Removing the system board
- Removing the antennas
- Using the column printer
- Cable routing configurations
- Cable matrix for Engage One with integrated column printer and basic I/O connectivity base
- Cable matrix for Engage One with integrated column printer and advanced I/O connectivity base
- Cable matrix for Engage One without I/O connectivity base
- Cable matrix for Engage One with I/O connectivity base
- Cable matrix for Engage One with basic I/O connectivity base and standalone printer
- Cable matrix for Engage One with advanced I/O connectivity base and standalone printer
- Configuring the software
- Computer Setup (F10) Utility
- POST error messages and diagnostic front panel LEDs and audible codes
- Password security and resetting CMOS
- Using HP PC Hardware Diagnostics (UEFI)
- Troubleshooting without diagnostics
- Safety and comfort
- Before you call for technical support
- Helpful hints
- Solving retail system-specific problems
- Solving general problems
- Solving printer problems
- Solving hardware installation problems
- Solving network problems
- Solving memory problems
- Solving USB flash drive problems
- Solving Internet access problems
- Solving software problems
- System backup and recovery
- Power cord set requirements
- Statement of memory volatility
- Specifications
- Index

Changing the computer boot order
If your computer does not restart in HP Recovery Manager, you can change the computer boot order, which is
the order of devices listed in BIOS where the computer looks for startup information. You can change the
selection to an optical drive or a USB ash drive.
To change the boot order:
1. Insert the HP Recovery media.
2. Access BIOS.
Restart the computer, quickly press esc, and then press f9 for boot options.
3. Select the optical drive or USB ash drive from which you want to boot.
4. Follow the on-screen instructions.
Removing the HP Recovery partition (select products only)
HP Recovery Manager software allows you to remove the HP Recovery partition to free up hard drive space.
IMPORTANT: After you remove the HP Recovery partition, you will not be able to perform System Recovery
or create HP recovery media from the HP Recovery partition. So before you remove the Recovery partition,
create HP Recovery media; see Creating HP Recovery media (select products only) on page 117.
NOTE: The Remove Recovery Partition option is only available on products that support this function.
Follow these steps to remove the HP Recovery partition:
1. Type recovery in the taskbar search box, and then select HP Recovery Manager.
2. Select Remove Recovery Partition, and then follow the on-screen instructions.
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