HP EliteBook 720 G1 Maintenance And Service Manual page 124

Description
Equipped with an Intel Core i7-4500U 1.80-GHz (SC turbo up to 3.00-GHz) processor (4.00-MB L3 cache,
15 W) and a non-Windows 8 operating system (Gold Conversion Kit)
Equipped with an Intel Core i5-4200U 1.60-GHz (SC turbo up to 2.60-GHz) processor (3.00-MB L3 cache,
15 W) and the Windows 8 Professional operating system (Gold Conversion Kit)
Equipped with an Intel Core i5-4200U 1.60-GHz (SC turbo up to 2.60-GHz) processor (3.00-MB L3 cache,
15 W) and the Windows 8 Standard operating system (Gold Conversion Kit)
Equipped with an Intel Core i5-4200U 1.60-GHz (SC turbo up to 2.60-GHz) processor (3.00-MB L3 cache,
15 W) and a non-Windows 8 operating system (Gold Conversion Kit)
Equipped with an Intel Core i3-4010U 1.70-GHz processor (3.00-MB L3 cache, 15 W) and the Windows 8
Professional operating system (Gold Conversion Kit)
Equipped with an Intel Core i3-4010U 1.70-GHz processor (3.00-MB L3 cache, 15 W) and the Windows 8
Standard operating system (Gold Conversion Kit)
Equipped with an Intel Core i3-4010U 1.70-GHz processor (3.00-MB L3 cache, 15 W) and a non-
Windows 8 operating system (Gold Conversion Kit)
Before removing the system board, follow these steps:
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.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service cover (see
a. Battery (see
b. Hard drive (see
c. Keyboard (see
d. RTC battery (see
e. Top cover (see
f. Heat sink (see
g. Fan (see
NOTE: When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
● WWAN module (see
●
Solid-state drive (see
● WLAN module (see
● Memory modules (see
Remove the system board:
1. Turn the top cover upside down with the front toward you.
2. Release the ZIF connector (1) to which the power button board cable is attached, and then disconnect
the power button board cable from the system board.
112 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Service cover on page
Battery on page 69)
Hard drive on page
Keyboard on page 81)
RTC battery on page
Top cover on page
Heat sink on page 103)
Fan on page 105)
WWAN module on page
Solid-state drive on page
WLAN module on page
Memory module on page
67), and then remove the following components:
71)
88)
89)
74)
76)
78)
80)
Spare part number
817920-0C1
817917-6C1
817917-5C1
817917-0C1
817916-6C1
817916-5C1
817916-0C1