HP Pavilion Dv4 1200 Entertainment Notebook Pc Series Manual

Component replacement procedures
This chapter provides removal and replacement procedures.
There are as many as 104 screws, in 12 different sizes, that must be removed, replaced, or loosened
when servicing the computer. Make special note of each screw size and location during removal and
replacement.
Serial number
Report the computer serial number to HP when requesting information or ordering spare parts. The
serial number is located on the bottom of the computer.
Component replacement procedures 53 

Computer feet
The computer feet are adhesive-backed rubber pads. The feet attach to the base enclosure in the
locations illustrated below.
DescriptionSpare part number
Rubber Kit for use with all computer models (includes computer feet and screw covers) 486834-001
54 Chapter 4   Removal and replacement procedures 

Battery
DescriptionSpare part number
●12-cell, 8.80-Ah484172-001
●6-cell, 2.55-Ah484171-001
●6-cell, 2.20-Ah482186-003
Before disassembling the computer, 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...

SIM
NOTE:This section applies only to computer models with WWAN capability.
NOTE:If there is a SIM inserted in the SIM slot, it must be removed before disassembling the
computer. Be sure that the SIM is reinserted in the SIM slot after reassembling the computer.
Before removing the SIM, 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...

Optical drive
DescriptionSpare part number
For use in standard computer models with AMD processors: 
●Blu-ray BD ROM and DVD±RW Drive482181-002
●DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe482177-002
●DVD±RW and CD-RW Super Multi Double-Layer Combo Drive482175-002
For use in bronze-colored computer models with AMD processors: 
●Blu-ray BD ROM and DVD±RW Drive497524-001
●DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe497523-001
●DVD±RW and CD-RW Super Multi...

Before removing the optical drive, 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 
Battery on page 55).
Remove the optical drive:...

Hard drive
DescriptionSpare part number
For use in computer models with AMD processors: 
●500-GB, 5400-rpm497184-001
●400-GB, 5400-rpm499993-001
●320-GB, 5400-rpm459611-004
●320-GB, 5400-rpm, MultiBay497186-001
●250-GB, 5400-rpm454605-002
●250-GB, 5400-rpm, MultiBay497185-001
●160-GB, 5400-rpm454925-002
●120-GB, 5400-rpm454924-002
For use in computer models with Intel processors: 
●500-GB, 5400-rpm497775-001
●400-GB, 5400-rpm497774-001
●320-GB. 5400-rpm459611-005
●250-GB, 5400-rpm454605-003
●160-GB,...

NOTE:All hard drive spare part kits include a hard drive bracket.
Before removing the hard drive, 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...

6.Remove the hard drive from the hard drive bay (4).
7.If it is necessary to replace the hard drive bracket, remove the four Phillips PM3.0×4.0
screws (1) that secure the hard drive bracket to the hard drive.
8.Lift the bracket (2) straight up to remove it from the hard drive.
Reverse this procedure to reassemble and install the hard drive.
Component replacement procedures 61 

WLAN module
DescriptionSpare part number
WLAN modules
802.11a/b/g/n WLAN modules:
 
●For use in Antigua & Barbuda, Argentina, Aruba, the Bahamas, Barbados, Bermuda,
Brunei, Canada, the Cayman Islands, Chile, Colombia, Costa Rica, the Dominican
Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Hong Kong, India,
Indonesia, Malaysia, Mexico, Panama, Paraguay, Peru, Saudi Arabia, Taiwan, Uruguay,
the United States, Venezuela, and Vietnam480985-001
●For use in Afghanistan, Albania, Algeria,...