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HP ProBook 4445s Notebook PC - Removing and Replacing the Hard Disk Drive

This document pertains only to HP ProBook 4445s Notebook PC with the following case design:
Introduction
This document is provided to assist in removing and replacing the Hard disk for the HP ProBook 4445s Notebook PC.
Tools required
Phillips-head P1 screwdriver
Minimum skill level
The End User requires no hardware-specific training to replace the defective part. The End user should have familiarity with system hardware and software requiring repair.
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the Hard disk that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
750GB, 7200 rpm (2.5 in)
633252-001 ()
yes
750GB, 5400 rpm (2.5 in)
634250-001
yes
640GB, 5400 rpm (2.5 in)
669300-001
yes
500GB, 7200 rpm (2.5 in)
634925-001
yes
500GB, 5400 rpm (2.5 in)
669299-001
yes
320GB, 5400 rpm (2.5 in)
622643-001
yes
320GB, 5400 rpm (7 mm)
645193-001
yes
320GB, 7200 rpm (2.5 in)
641672-001
yes
  note:
For customers in countries/regions with RoHS legislation* (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the Original Spare part is regulated by RoHS legislation. If your unit contains a part that is labeled with the Modified Spare number, the Modified Spare must be ordered as the replacement part. If your unit contains a part that is labeled with the Original Spare number, please order the Original Spare as the replacement part. In this case either the Original Spare or the Modified Spare may be shipped which will not affect performance or functionality of the unit.
Hard disk drive removal instructions
Review the safety considerations before performing the steps listed below by clicking on the following link:
  caution:
Failure to comply with the precautions could result in damage to your product or loss of data.
Step
Procedure
Instruction
1
Remove the battery.
2
Remove the service door.
3
Remove the four 3-mm P1 Phillips-head screws that secure the hard disk drive to the base enclosure.
4
Access and grasp the Mylar tab on the hard disk drive carrier and slide the hard disk drive to disconnect it from its connector on the system board.
5
Pull up on the Mylar tab on the hard disk drive to lift and remove the hard disk drive out of the base enclosure.
6
Remove the four 3.5-mm thick P1 Phillips-head screws that secure the hard disk drive to the hard disk drive bracket.
7
Carefully unwrap the Mylar covering.
8
Lift and remove the hard disk drive from its carrier.
9
Place the hard disk drive in a static dissipative bag.
Hard disk drive replacement instructions
Step
Procedure
Instruction
1
Remove the hard disk drive from the static dissipative bag.
2
Place the hard disk drive into the hard disk drive bracket and re-wrap the Mylar covering around the hard disk drive.
3
Replace the four 3.5 mm thick P1 Phillips-head screws to secure the hard disk drive to the hard disk drive bracket.
4
With the Mylar tab-side up, lower the hard disk drive into the hard disk drive bay.
5
Grasp the Mylar tab and slide the hard drive to fully seat the hard disk drive into its connector on the system board.
6
Tuck the Mylar tab back into its slot in the hard disk drive bracket case.
7
Replace the four 3 mm P1 Phillips-head screws to secure the hard disk drive to the base enclosure.
8
Replace the service door.
9
Replace the battery.

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