HP ENVY 15-u010dx HP ENVY x360 Convertible PC Maintenance and Service Guide - Page 55

System board, defective system board and installed on the replacement system board

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System board NOTE: The system board spare part kit includes replacement thermal material. Description Intel Core i7-4510U processor and the Windows 8.1 Standard operating system Intel Core i7-4510U processor and a non-Windows 8 operating system Intel Core i5-4210U processor and the Windows 8.1 Standard operating system Intel Core i5-4210U processor and a non-Windows 8 operating system Intel Core i3-4030U processor and the Windows 8.1 Standard operating system Intel Core i3-4030U processor and a non-Windows 8 operating system Spare part number 780958-501 780958-001 774606-501 774606-001 774607-501 774607-001 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 top cover (see Top cover on page 28). 5. Disconnect the battery. 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: ● WLAN module (see WLAN module on page 38) ● Memory module (see Memory module on page 49) ● Heat sink (see Heat sink on page 51) Remove the system board: Component replacement procedures 47

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System board
NOTE:
The system board spare part kit includes replacement thermal material.
Description
Spare part number
Intel Core i7-4510U processor and the Windows 8.1 Standard operating system
780958-501
Intel Core i7-4510U processor and a non-Windows 8 operating system
780958-001
Intel Core i5-4210U processor and the Windows 8.1 Standard operating system
774606-501
Intel Core i5-4210U processor and a non-Windows 8 operating system
774606-001
Intel Core i3-4030U processor and the Windows 8.1 Standard operating system
774607-501
Intel Core i3-4030U processor and a non-Windows 8 operating system
774607-001
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 top cover (see
Top cover
on page
28
).
5.
Disconnect the battery.
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:
●
WLAN module (see
WLAN module
on page
38
)
●
Memory module (see
Memory module
on page
49
)
●
Heat sink (see
Heat sink
on page
51
)
Remove the system board:
Component replacement procedures
47