Item Component Spare part number
Top cover for HP 745 821173-001
Top cover for HP 755 821191-001
(4) Power button board
For 14” computers 821169-001
For 15” computers 821190-001
(5) TouchPad
Touchpad button board for HP 745 821171-001
Touchpad button board w/NFC antenna 821172-001
Touchpad button board for HP 755 836620-001
Touchpad button board w/NFC antenna for HP 755 837851-001
(6) Hard drive (does not include hard drive connector cable or hard drive rubber bracket):
1 TB, 5400 rpm, 7 mm 762990-001
500 GB, 7200 rpm, 7 mm, FIPS 820572-001
500 GB, 7200 rpm, 7 mm, Opal-2 820573-001
500 GB, 7200 rpm, 7 mm 703267-001
500 GB, 5400 rpm, 7 mm, hybrid, 8 GB cache 732000-001
(7) Smart card reader board (includes cable) 821167-001
(8) Hard drive hardware kit 821665-001
(9) NFC module (antenna spared with touchpad) 821666-001
(10) Speakers (includes cable) 821170-001
(11) Fingerprint reader assembly (includes cable and bracket) 821165-001
(12) USB/audio board (includes cable)
For HP 755 836619-001
(13) System board (includes processor and replacement thermal material, see System board on page 71)
(14) Solid-state drive (SSD)
512 GB, PCIe 3x4 823959-001
256 GB, PCIe 3x4 823958-001
256 GB, SATA-3 self-encrypting drive Opal-2 MLC 823957-001
256 GB, SATA-3 TLC 823956-001
180 GB, SATA-3, self-encrypting drive Opal-2 MLC 823955-001
180 GB, SATA-3 MLC 823954-001
128 GB, SATA-3 TLC 823953-001
240 GB, SATA-3 (only available on 15” computers) 836618-001
(15) Heat sink/fan assembly
22 Chapter 3 Illustrated parts catalog