System Board - HP Pavilion DV7-4070 Maintenance And Service Manual

System board

NOTE:
The system board spare kit includes replacement thermal material.
Description
System board with ATI Mobility Radeon HD 5470 discrete graphics subsystem and 512-MB of
dedicated memory (Dual Core)
System board with ATI Mobility Radeon HD 5470 discrete graphics subsystem and 512-MB of
dedicated memory (Dual Core) and subwoofer
System board with ATI Mobility Radeon HD 5650 discrete graphics subsystem and 1-GB of
dedicated memory (Quad core)
System board with ATI Mobility Radeon HD 5650 discrete graphics subsystem and 1-GB of
dedicated memory (Dual core)
System board with Intel HM55 HD UMA graphics subsystem and shared memory
System board with ATI Mobility Radeon HD 5650 discrete graphics subsystem and 1-GB of
dedicated memory (Quad core) and subwoofer
System board with ATI Mobility Radeon HD 5650 discrete graphics subsystem and 1-GB of
dedicated memory (Dual core) and subwoofer
Before removing the system board, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
5. Remove the primary hard drive cover (see
6. Remove the following components:
a. Hard drive (see
b. Remove the secondary hard drive (see
c. Optical drive (see
d.
Keyboard (see
e.
Top cover (see
f.
Display assembly (see
Battery on page 46).
Primary hard drive cover on page
Hard drive on page 48).
Optical drive on page
Keyboard on page 58)
Top cover on page 61)
Display assembly on page
Secondary hard drive on page
57)
67)
Component replacement procedures
Spare part number
605319-001
609787-001
605320-001
605321-001
605322-001
615307-001
615308-001
47).
50).
77