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
1. Shut down the operating system properly, then turn o the computer and any external devices, and
disconnect the power cord from the power outlet.
2. With the power cord disconnected, press the power button again to drain the system of any residual
power.
WARNING! To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to
disconnect the power cord from the wall outlet, and allow the internal system components to cool
before touching.
CAUTION: When the computer is plugged in, the power supply always has voltage applied to the
system board even when the unit is turned o. Failure to disconnect the power cord can result in
damage to the system.
Static electricity can damage the electronic components of the computer or optional equipment. Before
beginning these procedures, ensure that you are discharged of static electricity by briey touching a
grounded metal object. See the Safety & Regulatory Information guide for more information.
3. Remove the access panel.
4. Locate the header and jumper.
NOTE: The password jumper is blue so that it can be easily identied. For assistance locating the
password jumper and other system board components, see the system board components image at
Removing the system board on page 59.
5. Remove the jumper from pins 1 and 2.
6. Place the jumper on either pin 1 or 2, but not both, so that it does not get lost.
7. Replace the access panel and reconnect the external equipment.
8. Plug in the computer and turn on power. Allow the operating system to start. This clears the current
passwords and disables the password features.
9. Shut down the computer, unplug the power, and disconnect the external equipment.
10. Remove the access panel.
11. Place the jumper on pins 1 and 2.
12. Replace the access panel.
13. Reconnect the external equipment and plug in the computer.
Changing a Setup or Power-On password
To change the power-on or setup password, complete the following steps:
1. Turn on or restart the computer.
To change the Setup password, go to step 2.
To change the Power-on password, go to step 3.
2. To change the Setup password, as soon as the computer turns on:
- Press the Esc key while “Press the ESC key for Startup Menu” message is displayed.
- Press the F10 key to enter Computer Setup.
96 Chapter 10 Password security and resetting CMOS