HP Model 755 - Workstation User's Guide

HP EliteBook 745 G2 Notebook PCHP EliteBook 755 G2 Notebook PCMaintenance and Service Guide

Using Windows Refresh or Windows Reset ... 112Using HP Software Setup ...

2. Release the wireless antenna cables (2) from the routing channel attached to the system board.3. Remove the four Torx TM2.5×6.0 screws (1) that sec

7. Remove the bezel from the display assembly (4).NOTE: In these steps, the display assembly will not be connected to the computer as shown inthe illu

10. Lift the tape that secures the display cable to the display panel (1), and the disconnect thedisplay cable from the panel (2).11. Lift the display

c. Remove the module (3) from the display enclosure. (The module is attached to the displayenclosure with double-sided tape.)13. If you need to remove

14. If you need to remove the display cable, lift the cable straight up and out of the displayenclosure. Use the following image to properly route the

7 Computer Setup (BIOS), MultiBoot, andSystem Diagnostics in Windows 8.1Using Computer SetupComputer Setup, or Basic Input/Output System (BIOS), contr

To exit Computer Setup menus, choose one of the following methods:● To exit Computer Setup menus without saving your changes:Click the Exit icon in th

BIOS version information (also known as ROM date and System BIOS) can be displayed by pressingfn+esc (if you are already in Windows) or by using Compu

NOTE: After a message on the screen reports a successful installation, you can delete thedownloaded file from your hard drive.Using MultiBootAbout the

4. To move the device up in the boot order, use a pointing device to click the up arrow, or press the+ key.– or –To move the device down in the boot o

Requirements for specific countries and regions ... 13516 Recycling ...

Entering MultiBoot Express preferencesWhen the Express Boot menu is displayed during startup, you have the following choices:● To specify a boot devic

Downloading HP PC Hardware Diagnostics (UEFI) to a USB deviceNOTE: The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English

8 Computer Setup (BIOS) and HP PCHardware Diagnostics (UEFI) inWindows 7Using Computer SetupComputer Setup, or Basic Input/Output System (BIOS), contr

To exit Computer Setup menus, choose one of the following methods:● To exit Computer Setup menus without saving your changes:Click the Exit icon in th

BIOS version information (also known as ROM date and System BIOS) can be displayed by pressingfn+esc (if you are already in Windows) or by using Compu

NOTE: After a message on the screen reports a successful installation, you can delete thedownloaded file from your hard drive.Using MultiBootAbout the

To move the device down in the boot order, use a pointing device to click the down arrow, orpress the - key.5. To save your changes and exit Computer

Using HP PC Hardware Diagnostics (UEFI) (select modelsonly)HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows yo

9 Using Setup Utility (BIOS) and SystemDiagnostics in Ubuntu Setup Utility, or Basic Input/Output System (BIOS), controls communication between all th

Displaying system information1. Start Setup Utility.2. Select the Main menu. System information such as the system time and date, and identificationin

xii

To start HP PC Hardware Diagnostics UEFI:1. Turn on or restart the computer, quickly press esc, and then press f2.The BIOS searches two places for the

10 Backup and recovery in Windows 8.1To protect your information, use Windows backup and restore utilities to back up individual files andfolders, bac

To recover your information using Automatic Repair, follow these steps:CAUTION: Some Automatic Repair options will completely erase and reformat the h

website. Go to http://www.hp.com/support, select your country or region, and follow the on-screeninstructions.CAUTION: Using a Windows 8.1 operating s

Using Windows Refresh or Windows Reset When your computer is not working properly and you need to regain system stability, the WindowsRefresh option a

11 Backup and recovery in Windows 7Your computer includes HP and Windows tools to help you safeguard your information and retrieve itif you ever need

well as select drivers and applications if the hard drive becomes corrupted. HP Recovery DiscCreator can create two kinds of recovery DVDs:●Windows 7

To create a backup using Windows Backup and Restore:NOTE: The backup process may take over an hour, depending on file size and the speed of thecompute

CAUTION: Some Startup Repair options will completely erase and reformat the hard drive. All filesyou have created and any software installed on the co

Using f11 recovery tools (select models only)CAUTION: Using f11 completely erases hard drive contents and reformats the hard drive. All filesthat you

1 Product descriptionCategory Description HPEliteBook745HPEliteBook755Product Name HP EliteBook 745 G2 Notebook PC √ HP EliteBook 755 G2 Notebook P

After the repair is completed:1. Eject the Windows 7 operating system DVD and then insert the Driver Recovery DVD.2. Install the Hardware Enabling Dri

12 Backing up, restoring, and recoveringin UbuntuRecovery after a system failure is as good as your most recent backup. As you add new software anddat

Creating a restore image on a USB deviceNOTE: Be sure AC power is connected to the computer you begin this procedure.You can use Recovery Media Creato

Backing up your data filesThe Deja Dup Restore Tool allows you to back up your data files.You should back up your data files on a regular schedule to

13 SpecificationsComputer specifications–HP EliteBook 745 models Metric U.S.DimensionsWidth 33.9 cm 13.34 inDepth 23.7 cm 9.33 inHeightHeight (touch m

Computer specifications–HP EliteBook 755 models Metric U.S.DimensionsWidth 37.6 cm 14.78 inDepth 25.4 cm 9.98 inHeight 2.15 cm 0.85 inHeight (touch mo

35.6 cm (14.0 in) HD SVA display specifications Metric U.S.DimensionsHeight 22.43 cm 8.83 inWidth 36.0 cm 14.17 inDepth 0.38 cm 0.15 inDiagonal 35.6 c

Metric U.S.Format HD+ (1600 x 900)Configuration RGB stripeLCD Mode TNPPI 131 PPIInterface eDP 1.2 (1 lane)Viewing angle SVA 40/40/15/30 (Left/Right/D

Metric U.S.Depth 0.36 cm 0.14 inDiagonal 39.6 cm 14.0 inWeight < 500 g (max) < 1.1 lb (max)Contrast ratio 300:1 (typical)Brightness200 cd/m2 (t

Metric U.S.Interface eDP 1.2 (1 lane)Viewing angle SVA 45/45/25/35 (Left/Right/Down/Up)Hard drive specifications 1 TB* 500 GB* 320 GB*DimensionsHeig

Category Description HPEliteBook745HPEliteBook755Memory Two customer-accessible/upgradable memory module slots withthe following specifications:DDR3L

128 GB* 180 GB* 240 GB* 256 GB*Maximum Sequential Read 415 MB/s Up to 550 MB/s 550 MB/s Up to 460 MB/sMaximum Sequential Write 175 MB/s Up to 520 MB

14 Statement of VolatilityThe purpose of this chapter is to provide general information regarding nonvolatile memory inindustry-standards based HP Bus

i. Reboot the system. If the system has a Trusted Platform Module (TPM) and/or fingerprintsensor, one or two prompts will appear. One to clear the TPM

Non VolatileMemory TypeAmount(Size)Does thismemorystorecustomerdata?Does thismemoryretain datawhenpower isremoved?What is thepurpose ofthis memory?How

Non VolatileMemory TypeAmount(Size)Does thismemorystorecustomerdata?Does thismemoryretain datawhenpower isremoved?What is thepurpose ofthis memory?How

3. Does the “Firmware Hub for System BIOS” contain the BIOS program? Is this chipwritable, and if so how?The Firmware Hub does contain the BIOS progra

15 Power cord set requirementsThe wide-range input feature of the computer permits it to operate from any line voltage from 100 to120 V ac, or from 22

Requirements for specific countries and regionsCountry/region Accredited agency Applicable note numberArgentina IRAM 1Australia SAA 1Austria OVE 1Belg

Country/region Accredited agency Applicable note numberThe United States UL 21. The flexible cord must be Type HO5VV-F, 3-conductor, 0.75 mm² conducto

16 RecyclingWhen a non-rechargeable or rechargeable battery has reached the end of its useful life, do notdispose of the battery in general household

Category Description HPEliteBook745HPEliteBook755Wireless Integrated wireless local area network (WLAN) options by way ofminicardTwo WLAN antennas bui

IndexAAC adapter, spare part numbers31, 33AC adapter/battery light 13accessory battery connector,identifying 16antennaremoval 92spare part numbers 25,

embedded numeric keypad,identifying 12equipment guidelines 43esc key, identifying 12Ethernet, product description 2external monitor port 14Ff11 recove

Ooperating system, productdescription 4optical driveprecautions 40Ppackaging guidelines 42plastic parts, serviceconsiderations 39Plastics Kitcontents

display 124, 125, 126hard drive 127solid-state drive 127SSDspare part numbers 23, 29,35specifications 127Startup Repair, using Windows 7115system boar

Category Description HPEliteBook745HPEliteBook755 ●Secondary battery connector √Keyboard/pointingdevicesGlass with chemical etched surface, dual-point

Category Description HPEliteBook745HPEliteBook755 Preinstalled:●Windows® 8.1 ML 64●Windows 8.1 CH 64●Windows 8.1 EM 64● Windows 8.1 Professional 64●W

Category Description HPEliteBook745HPEliteBook755 Web-only support:●Windows 8.1 Enterprise 64●Windows 7 Enterprise 64 and 32√√Serviceability End user

2 External component identificationDisplayComponent Description(1) WLAN antennas (2)* (select models only) Send and receive wireless signals to commun

© Copyright 2014 Hewlett-PackardDevelopment Company, L.P.AMD and Radeon are trademarks ofAdvanced Micro Devices, Inc. Bluetooth isa trademark owned by

Component Description(6) Internal display switch Turns off the display or initiates Sleep if the display is closedwhile the power is on.NOTE: The disp

LightsComponent Description(1)Power light ●On: The computer is on.●Blinking: The computer is in the Sleep state.●Off: The computer is off.(2) Caps l

Buttons, speakers, and fingerprint reader (select models only)Component Description(1)Power button●When the computer is off, press the button to turn

Component Description(3)Wireless button Turns the wireless feature on or off but does not establish awireless connection.(4)Volume mute button Mutes a

KeysComponent Description(1) esc key (Windows only) Displays system information when pressedin combination with the fn key.(2) fn key Executes fre

FrontComponent Description(1)Wireless light ●White: An integrated wireless device, such as awireless local area network (WLAN) device and/or a Bluetoo

LeftComponent Description(1)Security cable slot Attaches an optional security cable to the computer.NOTE: The security cable is designed to act as ade

RightComponent Description(1)Audio-out (headphone) jack/Audio-in(microphone) jackProduces sound when connected to optional poweredstereo speakers, hea

BottomNOTE: Your computer bottom will resemble one of the examples shown below. Refer to theillustration that most closely matches your computer.Compo

Component Description(3)Service door release latch Releases the service door on the computer.(4)Service door release lock Locks service door.(5) Ve

Important Notice about Customer Self-Repair PartsCAUTION: Your computer includes Customer Self-Repair parts and parts that should only beaccessed by a

Component Description(1) Service door Provides access to the hard drive bay, thewireless LAN (WLAN) module slot, theWWAN module slot, and the memory

Service LabelWhen ordering parts or requesting information, provide the computer serial number and modelnumber provided on the label. It is necessary

3 Illustrated parts catalogNOTE: HP continually improves and changes product parts. For complete and current informationon supported parts for your co

Computer major componentsComputer major components 21

Item Component Spare part number(1) Display assembly: Non-touch display assemblies are spared at the subcomponent level only. For more displayassembly

Item Component Spare part number 500 GB, 7200 rpm, SED 703268-001 500 GB, 7200 rpm 703267-001 500 GB, 5400 rpm, FIPS 730946-001 320 GB, 7200 rpm 6

Item Component Spare part number Broadcom BCM4352 802.11ac 2x2 Wi-Fi + Bluetooth 4.0 combo (select models only) 724935-001 Broadcom BCM943228HMB WiD

Display assembly subcomponentsHP EliteBook 745 modelsItem Component Spare part number(1) Display bezel: 768808-001(2) Webcam 777326-001 Microphone mo

Item Component Spare part number FHD, SVA (1920×1080) 300 nits (cd/m2), slim768811-001 Display Hinge Kit (includes left and right hinges and hinge co

HP EliteBook 755 modelsItem Component Spare part number(1) Display bezel 773963-001(2) Webcam 777326-001 Microphone module (not illustrated) 730795-0

iv Important Notice about Customer Self-Repair Parts

Item Component Spare part number(7) Left and right hinge covers (8) Display enclosure 779686-00128 Chapter 3 Illustrated parts catalog

Mass storage devicesItem Description Spare part number(1) Hard Drive Hardware Kit, includes bracket 730793-001(2) Hard drive (does not include hard dr

Plastics KitItem Description Spare part number Plastics Kit for use only on HP EliteBook 745 models 730958-001 Plastics Kit for use only on HP Elite

Miscellaneous partsComponent Spare part numberAC adapter:45 W HP Smart AC adapter (non-PFC, 7.4 mm RC NSLIM) 744893-00145 W HP Smart AC adapter (non-P

Component Spare part numberFor use in Thailand 755530-201For use in the United Kingdom and Singapore 755530-031Power cord 2-pin, black, 1.0 m, for use

Spare partnumberCSRflagDescription693374-001 A 8 GB memory module (PC3L, 12800, 1600 MHz)693710-001 A 65 W HP Smart AC adapter (RC/V, EM) for use in I

Spare partnumberCSRflagDescription748021-001 B HP lt4211 LTE/EV-DO/HSPA+ 4G Mobile Broadband Module748599-001 B HP hs3110 HSPA+ Mobile Broadband Modul

Spare partnumberCSRflagDescription768801-501 N System board with AMD A10-7350B G2 processor for use with the Windows 8.1 Standardoperating system76880

Spare partnumberCSRflagDescription776474-161 B Keyboard with pointing stick for use in Latin America (includes keyboard cable and pointingstick cable)

Spare partnumberCSRflagDescription776475-041 B Keyboard, backlit, with pointing stick for use in Germany (includes keyboard cable and pointingstick ca

Safety warning noticeWARNING! To reduce the possibility of heat-related injuries or of overheating the device, do notplace the device directly on your

Spare partnumberCSRflagDescription776475-B71 B Keyboard, backlit, with pointing stick for use in Sweden and Finland (includes keyboard cableand pointi

4 Removal and replacement procedurespreliminary requirementsTools requiredYou will need the following tools to complete the removal and replacement pr

Drive handlingCAUTION: Drives are fragile components that must be handled with care. To prevent damage tothe computer, damage to a drive, or loss of i

Typical electrostatic voltage levels Relative humidityEvent 10% 40% 55%Walking across carpet 35,000 V 15,000 V 7,500 VWalking across vinyl floor 12,0

Packaging and transporting guidelinesFollow these grounding guidelines when packaging and transporting equipment:● To avoid hand contact, transport pr

Equipment guidelinesGrounding equipment must include either a wrist strap or a foot strap at a grounded workstation.●When seated, wear a wrist strap c

5 Removal and replacement proceduresfor Customer Self-Repair partsCAUTION: The Customer Self-Repair program is not available in all locations. Install

2. Slide the service door toward the front of the computer (4) and lift (5) to remove the service door.Reverse the removal procedures to install the s

BatteryDescription Spare part number3-cell, 50-Wh, 4.5-Ah 717376-0013-cell, 24-Wh, 2.4-Ah 717375-001Before disassembling the computer, follow these st

Hard driveDescription Spare part number2.5 in HDD, SATA, 9.5 mm (does not include the hard drive bracket or screws) 1 TB, 7200 rpm, 9.5 mm 766644-001

vi Safety warning notice

2. Loosen the 4 hard drive screws (1). Slide the hard drive (2) forward, and then remove it (3).3. If it is necessary to disassemble the hard drive, p

Memory moduleDescription Spare part number8 GB memory module (PC3L, 12800, 1600 MHz) 693374-0014 GB memory module (PC3L, 12800, 1600 MHz) 691740-001Up

2. Remove the memory module (2) by pulling the module away from the slot at an angle.NOTE: Memory modules are designed with a notch to prevent incorre

WWAN moduleNOTE: The WWAN module and the WLAN module are not interchangeable.Description Spare part numberHP lt4211 LTE/EV-DO/HSPA+4G Mobile Broadband

3. Remove the WWAN module (3) by pulling the module away from the slot.NOTE: WWAN modules are designed with a notch to prevent incorrect insertion.NOT

WLAN moduleDescription Spare part numberQualcomm Atheros AR9485 802.11 b/g/n 1x1 WiFi Adaptor (select models only) 675794-001Broadcom BCM4352 802.11ac

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.NOTE: WLAN modules are designed with a notch to prevent incorrect i

KeyboardNOTE: For a detailed list of available keyboards, see Sequential part number listing on page 32.Description Spare part numberKeyboard with poi

3. Insert a screw driver or similar thin tool into the keyboard release hole, and then press onthe back of the keyboard until the keyboard disengages

c. Disconnect the pointing stick cable from the zero insertion force (ZIF) connector (3) on thesystem board.d. Remove the keyboard (4).7. To remove th

Table of contents1 Product description ...

e. Remove the keyboard (5).Reverse this procedure to install the keyboard.58 Chapter 5 Removal and replacement procedures for Customer Self-Repair p

6 Removal and replacement proceduresfor Authorized Service Provider partsCAUTION: Components described in this chapter should only be accessed by an a

Description Spare part numberWebcam module 777326-001Microphone module 730795-001Before removing the display assembly, follow these steps:1. Turn off

4. Lift and rotate the panel onto the computer (2).5. On the back of the display panel, lift the tape that secures the display cable to the display pa

6. Lift the display panel from the display enclosure.7. If it is necessary to replace the webcam/microphone module:a. Release the tape that secures th

RTC batteryDescription Spare part numberRTC battery (includes cable and double-sided tape) 665733-001Before removing the RTC battery, follow these ste

Internal base enclosureInternal base enclosure removal procedures for HP EliteBook 745 models and HP EliteBook 755models are in separated in the follo

2. Remove the seven rubber screw covers from the screws outside of the service door.NOTE: The eight screws outside of the service door also have rubbe

4. Remove the Phillips PM2.0×8.0 screw (1) near the media card reader and the six PhillipsPM2.0×5.0 broadhead screws (2) inside the battery bay that s

Internal base enclosure (HP EliteBook 755 models)Description Spare part numberInternal base enclosure for use only on HP EliteBook 755 models (include

5 Removal and replacement procedures for Customer Self-Repair parts ... 44Component replacement procedu

2. Remove the seven rubber screw covers from the screws outside of the service door.3. Remove the 21 Torx T8M2.5×5.0 screws that secure the internal b

4. Remove the Phillips PM2.0×8.0 screw (1) near the media card reader and the seven PhillipsPM2.0×5.0 broadhead screws (2) inside the battery bay that

FanDescription Spare part numberFan (includes cable) 730792-001Before removing the fan, follow these steps:1. Turn off the computer. If you are unsure

Card reader boardDescription Spare part numberCard reader board for use in HP EliteBook 745 models 768791-001Card reader board for use in HP EliteBook

VGA/USB boardDescription Spare part numberVGA/USB board for use in HP EliteBook 745 models 768792-001VGA/USB board for use in HP EliteBook 755 models

3. Remove the VGA/USB board from the top cover (3).Removing the VGA/USB board for HP EliteBook 755 models1. Disconnect the cable from the VGA/USB boar

Heat sinkNOTE: The heat sink spare part kit includes replacement thermal material.Description Spare part numberFor use only on HP EliteBook 745 models

Remove the heat sink:1. Following the 1, 2, 3, 4 sequence stamped into the heat sink, loosen the four captive Philllipsscrews (1) – (4) that secure th

2. The following illustration shows the replacement thermal material locations. The thermal materialmust be thoroughly cleaned from the surfaces of th

Power button boardDescription Spare part numberPower button board for use in HP EliteBook 745 models 730959-001Power button board for use in HP EliteB

Setting a MultiBoot Express prompt ... 97Entering MultiBoot Express preferences ...

3. Slide the power button board toward the inside of the top cover, and then lift it off the top cover(3).Reverse this procedure to install the power

Fingerprint reader assemblyDescription Spare part numberFingerprint reader assembly for use in HP EliteBook 745 models (includes cable, bracket, andin

4. Remove the fingerprint reader board (3) from the computer.Reverse this procedure to install the fingerprint reader assembly.80 Chapter 6 Removal

System boardNOTE: The system board spare part kit includes replacement thermal material.Description Spare part numberSystem board with AMD A6-7050B G2

When replacing the system board, be sure that the following components are removed fromthe defective system board and installed on the replacement sys

9. Note the routing location of the antenna cables (7) when removing them.10. Remove the three Phillips PM2.5×5.0 screws that secure the system board

12. Remove the system board (2) by sliding it up and to the left at an angle.Reverse this procedure to install the system board.84 Chapter 6 Removal

Speaker assemblyDescription Spare part numberSpeaker assembly (includes cable) 730798-001Before removing the speaker assembly, follow these steps:1. T

3. Remove the speaker assembly (2) from the top cover.Reverse this procedure to install the speaker assembly.86 Chapter 6 Removal and replacement pr

Display assemblyNOTE: Non-touch displays are spared at the subcomponent level only. Touch displays are onlyspared as a whole (touch display components