HP 260 Maintenance and Service Guide - Page 25

Removal and replacement procedures, Preparation for disassembly

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4 Removal and replacement procedures Adherence to the procedures and precautions described in this chapter 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 on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. Preparation for disassembly See Routine care, SATA drive guidelines, and disassembly preparation on page 10 for initial safety procedures. 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as a USB flash drive, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. CAUTION: Turn off the computer before disconnecting any cables. Regardless of the power-on 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. The power cord should always be disconnected before servicing a unit. 4. Disconnect the power cord from the power outlet and disconnect any external devices. 5. If the computer is on a stand, remove the computer from the stand. WARNING! Beware of sharp edges inside the chassis. Preparation for disassembly 17

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4
Removal and replacement procedures
Adherence to the procedures and precautions described in this chapter 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 on
supported parts for your computer, go to
, select your country or region, and then
follow the on-screen instructions.
Preparation for disassembly
See
Routine care, SATA drive guidelines, and disassembly preparation
on page
10
for initial safety
procedures.
1.
Remove/disengage any security devices that prohibit opening the computer.
2.
Remove all removable media, such as a USB flash drive, from the computer.
3.
Turn off the computer properly through the operating system, then turn off any external devices.
CAUTION:
Turn off the computer before disconnecting any cables.
Regardless of the power-on 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. The power cord should always be disconnected before servicing a
unit.
4.
Disconnect the power cord from the power outlet and disconnect any external devices.
5.
If the computer is on a stand, remove the computer from the stand.
WARNING!
Beware of sharp edges inside the chassis.
Preparation for disassembly
17