HP Engage Go 13.5 Maintenance and Service Guide - Page 38

Removal and replacement procedures, Preparation for disassembly, Display assembly, IMPORTANT, CAUTION

Page 38 highlights

5 Removal and replacement procedures Adherence to these procedures and precautions is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers. NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to https://partsurfer.hp.com/partsurfer/, select your country or region, and then follow the on-screen instructions. Preparation for disassembly Use this information to properly prepare to disassemble and reassemble the computer. See Routine care, drive guidelines, and disassembly preparation on page 23 for initial safety procedures. 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. IMPORTANT: Turn off the computer before disconnecting any cables. Regardless of the power state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. In some systems, the cooling fan is on even when the computer is in the Standby or Suspend modes. Always disconnect the power cord before servicing a unit. 2. Disconnect the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer CAUTION: Beware of sharp edges inside the chassis. NOTE: During disassembly, label each cable as you remove it, and note its position and routing. Keep all screws with the removed components. Display assembly To remove the display assembly, use these procedures and illustrations. Before removing the display assembly, follow these steps: ■ Prepare the computer for disassembly (see Preparation for disassembly on page 31). Remove the display assembly: 1. Remove the two Phillips screws (1) that secure the display to the computer. Removal and replacement procedures 31

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Removal and replacement procedures
5
Adherence to these procedures and precautions is essential for proper service. After completing
all necessary removal and replacement procedures, run the Diagnostics utility to verify that all
components operate properly.
NOTE:
Not all features listed in this guide are available on all computers.
NOTE:
HP continually improves and changes product parts. For complete and current information
about supported parts for your computer, go to
, select your
country or region, and then follow the on-screen instructions.
Preparation for disassembly
Use this information to properly prepare to disassemble and reassemble the computer.
See
Routine care, drive guidelines, and disassembly preparation
on page
23
for initial safety procedures.
1.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
IMPORTANT:
Turn off the computer before disconnecting any cables.
Regardless of the power state, voltage is always present on the system board as long as the
system is plugged into an active AC outlet. In some systems, the cooling fan is on even when
the computer is in the Standby or Suspend modes. Always disconnect the power cord before
servicing a unit.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer
CAUTION:
Beware of sharp edges inside the chassis.
NOTE:
During disassembly, label each cable as you remove it, and note its position and routing. Keep
all screws with the removed components.
Display assembly
To remove the display assembly, use these procedures and illustrations.
Before removing the display assembly, follow these steps:
Prepare the computer for disassembly (see
Preparation for disassembly
on page
31
).
Remove the display assembly:
1.
Remove the two Phillips screws
(1)
that secure the display to the computer.
Removal and replacement procedures
31