HP ZBook x2 Detachable WorkstationMaintenance and Service GuideIMPORTANT! This document is intended for HP authorized service providers only.
10 Backing up, restoring, and recovering ...
● HP PC Hardware Diagnostics (UEFI) tool to test hard drive, memory and system.● Thermal Monitor (available only to authorized service providers/techn
Windows Advanced Boot OptionWindows 7:1. Press F8 to open the Windows Advanced Boot Option screen.2. Select Disable automatic restart on system failur
Freeze at Windows Logo (hang/lockup)Items ProceduresSymptoms● Has power, light activity, fan spinning● HP Logo displays briey● Attempt to boot to ope
Electromagnetic Interference (EMI)Items ProceduresSymptomsSystem locks up, freezes in certain physical area or locationPossible causesElectromagnetic
Items Procedures4. Screen saver is set. Press any key or touch TouchPad to resume.5. Verify that Display Choice is set to external video only. Toggle
UnresponsiveItems ProceduresSymptomUnresponsivePossible causesProgram in use has stopped responding to commands. Troubleshooting steps1. If possible,
HP Smart Adapter warning messageItems ProceduresSymptomWarning message displayed in WindowPossible causesLess powerful AC adapter, BIOS out of date.
Incorrect time and dateItem ProcedureSymptomIncorrect date and timePossible causeReal-time clock (RTC) battery might need replacement.Troubleshooting
Display anomaliesCracked screen Cracked image Blurred imageDead pixelVertical linesHorizontal linesQuick check● Visually examine the display for crack
Display assembly diagramThe display assembly diagram shows basic video components: system board, graphics cards, display cables, display connectors, o
1 Product descriptionCategory DescriptionProduct Name HP ZBook x2 Detachable WorkstationProcessors ● Intel® Core™ i7-8650U 1.90-GHz (turbo up to 4.20-
No video (external)Items ProceduresSymptomNo image on external monitorPossible causesExternal monitor, resolution, display conguration, drivers.Troub
No or bad external video via dockingItems ProceduresSymptomsNo or bad image on external monitor via ports of docking station (VGA, DP, TB, display por
Items ProceduresBe sure that external display cables have good connection at both ends (system board and display panel).● If moving cables aects the
I/O devicesNOTE:● Make sure external devices are supported and compliant (i.e., USB Type C, Thunderbolt 3, PCI Express, etc).● If you have problems wi
Keyboard point stickItems ProceduresSymptomPoint stick not working properlyPossible causesDust trapped under point stick, loose point stick cap. Trou
TouchPadItems ProceduresSymptomsNot working properlyPossible causesOn/O enabled, driver, settings.(1) – TouchPad on/o button(2) – TouchPadTroublesho
Items Procedures10. Congure power management advanced settings as necessary.In the example to the left, U-APSD support (Unscheduled Automatic Power S
USBItems ProceduresSymptoms● USB devices are not recognized● USB devices are not chargingPossible causesUSB devices do not have the latest software dr
Smart card readerItems ProceduresSymptoms● Not recognized● Unable to writePossible causesPhysical damage, incorrect insertion, dirt, driver, malfuncti
Speaker, headphone - audio issuesItems ProceduresSymptoms● No sound from external or internal speakers● Distorted sound, too soft, too loud, intermitt
Category DescriptionStorage (continued) ● 1-TB, 2280.M2, Peripheral Component Interconnect Express (PCIe-3×4), Non-Volatile Memory Express (NVMe), Dou
Thunderbolt (TB)Items ProceduresSymptomThunderbolt device not workingPossible causesBIOS, drivers, and user settings. Troubleshooting steps1. Update
StorageNOTE:● Back up all critical data prior to drive troubleshooting.● Prior to contacting support, HP recommends that you run a drive (HDD, SSD, M.
Hard drive/solid-state drive not recognizedItems ProceduresSymptomHard drive is not recognized during POSTPossible causesLoose connection, faulty hard
Items Procedures6. Test with a veried working operating system hard drive, if available.Note If there is a hard drive POST error message, see POST Er
Blue screen (BSOD) errorFaulty hard drive may cause blue screen error. Perform the drive tests using the HP Diagnostics Tool to make sure the drive is
MechanicalFan error message - 90BItems ProceduresSymptomsFan error 90B at bootCAUTION: May lead to system shutdown, data loss or possible system damag
Items ProceduresSee https://support.hp.com/us-en/document/c01657439.Noise (sound)Items ProceduresSymptomsComputer emits abnormal noisePossible causesA
Fan runs constantlyItems ProceduresSymptoms● Fan never stops running● Generates heat● Decreased computer performancePossible causes● BIOS not up to da
Thermal shutdown (hot)Items ProceduresSymptomsSimilar to fan runs constantly issue (Fan runs constantly on page 117)● System shutdown● Abnormal heat●
Stuck power buttonItems ProceduresSymptoms● Rear power indicator light is on● Will not turn on when power button is pressed● Automatically powers onPo
Category DescriptionKeyboard/pointing devicesBacklitBluetooth capableCharged through the micro-USB portClickPad requirements:● Image sensor clickpad●
SSD–Solid-state driveTSG–Troubleshooting GuideUEFI–Unied Extensible Firmware InterfaceWLAN–Wireless local area networkWWAN–Wireless wide area network
BIOS recovery code unable to nd valid BIOS recovery imageThis computer has experienced a problem in locating a valid BIOS image, resulting in a faile
Intel Trusted Execution Technology (TXT) ErrorThis computer has experienced a problem related to the Intel Trusted Execution Technology resulting in a
POST Error Messages and User ActionsTest description Failure descriptions Error code Possible user actionsProduct informationInvalid value 00A Contact
Test description Failure descriptions Error code Possible user actionsBoot Device ManagerHard Disk 1 SMART 301 Indicates a potential problem with the
Routine Maintenance for Performance ImprovementThe following table presents a summary of the suggested times for performing the routine maintenance ta
Microsoft general troubleshooting of Windows bug check codes● If you recently added hardware to the system, try removing or replacing it. Or check wit
Windows Software Development Kit (SDK)1. Download the SDK from the following link:https://dev.windows.com/en-US/downloads/windows-10-sdk2. Set up the
4. Run the SDK as an administrator.5. Set the symbol path. Select File > Symbol File Path.● In the Symbol path box, type SRV*C:\Windows\symbol_cach
6. Open the crash dump le.Additional information 129
2 Getting to know your tabletThis chapter provides details about the tablet components, where they're located, and how they work.Locating hardwar
7. Analyze the le. In the following memory dump sample, look for Bug Check 0x3B. The ATIKMAG driver needs to be investigated for further root cause.L
Display Issue: Pixel AnomaliesAll HP notebook displays adhere to strict quality and reliability specications. A small percentage of display panels ma
Cable managementProper routing of the internal cables is critical to the operation of the computer. Follow good cable management practices when removi
Connector typesIMPORTANT: Connector pins and connector gold ngers should not be touched directly with bare hands.There are several dierent types of
1. Slide connector evenly into receptacle on same horizontal plane as PCB connector.2. Pull lock bar to insert and push both side connector horizontal
7 Tablet Setup (BIOS), TPM, and HP Sure StartUsing Tablet SetupTablet Setup, or Basic Input/Output System (BIOS), controls communication between all t
Restoring factory settings in Tablet SetupNOTE: Restoring defaults will not change the hard drive mode.To return all settings in Tablet Setup to the v
Downloading a BIOS updateCAUTION: To reduce the risk of damage to the tablet or an unsuccessful installation, download and install a BIOS update only
Changing the boot orderTo dynamically choose a boot device for the current startup sequence, follow these steps:1. Turn o the tablet. Press the power
8 Using HP PC Hardware Diagnostics (UEFI)HP PC Hardware Diagnostics is a Unied Extensible Firmware Interface (UEFI) that allows you to run diagnostic
Right sideItem Icon Component Description(1) Battery light When AC power is connected:● White: The battery charge is greater than 90 percent.● Amber
Downloading HP PC Hardware Diagnostics (UEFI) to a USB deviceNOTE: The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English
9 Specications Metric U.S.Tablet dimensionsWidth 36.5 cm 14.5 inDepth 22.7 cm 8.9 inHeight 1.3 cm 0.5 inWeight (includes UMA fan/heat sink assemby,
10 Backing up, restoring, and recoveringThis chapter provides information about the following processes. The information in the chapter is standard pr
You can use Windows tools to create system restore points and create backups of personal information, see Using Windows tools on page 143.● If your co
Restore and recoveryThere are several options for recovering your system. Choose the method that best matches your situation and level of expertise:IM
IMPORTANT: HP Recovery Manager does not automatically provide backups of your personal data. Before beginning recovery, back up any personal data you
Changing the computer boot orderIf your computer does not restart in HP Recovery Manager, you can change the computer boot order, which is the order o
Removing the HP Recovery partition (select products only)HP Recovery Manager software allows you to remove the HP Recovery partition to free up hard d
11 Statement of memory volatilityThe purpose of this chapter is to provide general information regarding nonvolatile memory in HP Business PCs. This c
h. Select the Main menu, and then select Reset BIOS Security to factory default. Click Yes at the warning message.The tablet will reboot.i. During the
Item Icon Component Description(6) Memory card reader (continued) 1. Hold the card label up, with the connectors facing the tablet.2. Insert the card
Nonvolatile memory usageNonvolatile memory type Amount (Size)Does this memory store customer data?Does this memory retain data when power is removed?W
Nonvolatile memory type Amount (Size)Does this memory store customer data?Does this memory retain data when power is removed?What is the purpose of th
Questions and answers1. How can the BIOS settings be restored (returned to factory settings)?IMPORTANT: Restore defaults does not securely erase any d
IMPORTANT: Resetting will result in the loss of information.These steps will not reset Custom Secure Boot Keys. See question and answer 7 for informat
12 Power cord set requirementsThe wide-range input feature of the tablet permits it to operate from any line voltage from 100 to 120 volts AC, or from
Country/region Accredited agency Applicable note numberSouth Korea EK 4Sweden CEMKO 1Switzerland SEV 1Taiwan BSMI 4The United Kingdom BSI 1The United
13 RecyclingWhen a non-rechargeable or rechargeable battery has reached the end of its useful life, do not dispose of the battery in general household
IndexAAC adapter, spare part numbers 22alignment posts 12antennalocations 10removal 40spare part number 20, 40audio, product description 2audio-in jac
HP Recovery Managercorrecting boot problems 146starting 145HP Recovery mediacreating 142recovery 145HP Recovery partitionrecovery 145removing 147HP Su
recoveroptions 144recoverydiscs 143, 145HP Recovery Manager 144media 145starting 145supported discs 143system 144USB ash drive 145using HP Recovery m
Left sideItem Icon Component Description(1) Audio-out (headphone)/Audio-in (microphone) jackConnects optional powered stereo speakers, headphones, ear
Item Icon Component Description(5) Security cable slot (continued) NOTE: The security cable is designed to act as a deterrent, but it may not preven
FrontNOTE: This tablet has HP Quick Keys. These keys provide quick access to app shortcuts, and they can be customized to perform the most common key
© Copyright 2018 HP Development Company, L.P.Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. Intel and Core are U.
Front (continued)NOTE: This tablet has HP Quick Keys. These keys provide quick access to app shortcuts, and they can be customized to perform the most
Front (continued)NOTE: This tablet has HP Quick Keys. These keys provide quick access to app shortcuts, and they can be customized to perform the most
BottomItem Component Description(1) Alignment posts (2) Connect to the alignment posts on the keyboard base.(2) Docking connector Connects the tablet
Keyboard base componentsThe tablet supports a keyboard. This section provides information about the features of the keyboard.TouchPadItem Component De
LightsItem Icon Component Description(1) Caps lock light On: Caps lock is on, which switches the keys to all capital letters.(2) Microphone mute lig
USB portItem Component Description(1) Micro USB port Connects a micro USB cable (purchased separately), that can be used to supply power to the keyboa
Optional HP ZBook x2 PenItem Component Description(1) Tip/removable nib Draws on the screen. Increased pressure applied to the tip results in wider or
3 Illustrated parts catalogNOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your t
Component Description(2) Serial number(3) Product identication (The SKU# that is regionalized #ABA, #ABM)(4) Warranty period(5) 2D bar code that has
Component Description(3) Spare part number(4) Batch numberTablet componentsTablet components 19
Safety warning noticeWARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on you
Item Component Spare part number(1) Display panel assembly (14.0-in, LED, AntiGlare (3840×2160), UWVA DreamColor, 16:9 aspect ratio, includes magnets,
Item Component Spare part number Equipped with an Intel Core i5-8250U 1.60-GHz (turbo up to 3.40-GHz) quad core processor (6.0-GB L3 cache, 15-W), an
Miscellaneous partsComponent Spare part numberAC adapter:90-W AC adapter (PFC, S-3P, 4.5-mm) 710413-00165-W HP Smart Adapter (non-PFC, EM, 4.5-mm) 714
Component Spare part numberFor use in Switzerland L03264-BG1For use in Taiwan L03264-AB1For use in Thailand L03264-281For use in Turkey L03264-141For
4 Removal and replacement preliminary requirementsTools requiredYou will need the following tools to complete the removal and replacement procedures:●
Cables and connectorsCAUTION: When servicing the tablet, be sure that cables are placed in their proper locations during the reassembly process. Impro
Grounding guidelinesElectrostatic discharge damageElectronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure
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
5 Removal and replacement proceduresThis chapter provides removal and replacement procedures for Authorized Service Provider only parts.CAUTION: Compo
iv Safety warning notice
5. Remove the kickstand (4).Reverse this procedure to install the kickstand.Display panel assemblyDescription Spare part numberDisplay panel assembly
2. Remove the four Torx4 M2.0×4.2 shoulder screws that secure the display panel assembly to the tablet.3. Remove the SD card slot blank.4. Rest and su
6. Separate the left side (2) of the bottom edge of the display panel assembly from the back cover.7. Separate the right side (3) of the bottom edge o
10. Separate the top edge of the display panel assembly from the back cover.11. Position the tablet on its back cover with the bottom edge toward you.
14. Position the tablet with the top edge toward you.15. Release the zero insertion force (ZIF) connector (1) to which the right QuickKey button board
24. Remove the display panel assembly (6).Reverse this procedure to install the display panel assembly.Component replacement procedures 35
QuickKey button boardDescription Spare part numberQuickKey button boards (2, includes left and right button boards and cables) L03247-001Before removi
Display panel cableDescription Spare part numberDisplay panel cable (includes extension cable, grounding tape, and double-sided adhesive) L13280-001Be
Fingerprint reader boardDescription Spare part numberFingerprint reader board (includes cable) L03249-001Before removing the ngerprint reader board,
BatteryDescription Spare part number4-cell, 70-WHr, 4.55-AHr, Li-ion battery (includes cable) 856843-855Before removing the battery, follow these step
Table of contents1 Product description ...
Wireless antennaDescription Spare part numberWireless antenna (includes main and auxiliary wireless antenna cables, transceivers, and double-sided adh
5. Remove the wireless antenna cables (5) and transceivers.Reverse this procedure to install the wireless antenna.Component replacement procedures 41
Front-facing webcam/microphone moduleDescription Spare part numberFront-facing webcam/microphone module (includes camera bracket, cables, and double-s
Reverse this procedure to install the front-facing webcam/microphone module.Rear-facing webcam moduleDescription Spare part numberRear-facing webcam m
HDMI/USB connector boardDescription Spare part numberHDMI/USB port connector board (includes HDMI port, USB port, and cable) L03248-001Before removing
POGO pin connector cableDescription Spare part numberPOGO pin connector cable (includes POGO connector and double-sided adhesive) L03262-001Before rem
System boardNOTE: All system board spare part kits include a processor and replacement thermal material.Description Spare part numberEquipped with an
6. Remove the battery (see Battery on page 39).7. Remove the front-facing webcam/microphone module (see Front-facing webcam/microphone module on page
NOTE: The quantity of screws removed in step 6 varies depending on tablet model. Tablet models equipped with a graphics subsystem with discrete memory
10. Remove the system board (3) by sliding it up and to the right at an angle.Reverse this procedure to install the system board.Fan/heat sink assembl
5 Removal and replacement procedures ...
NOTE: Steps 2 through 4 apply to tablet models equipped with a graphics subsystem with discrete memory. See steps 5 through 7 for fan/heat sink assemb
Tablet models with a graphics subsystem with UMA memory: Thermal paste is used on the processor (1) and the heat sink section (2) that services it.Rev
RTC batteryDescription Spare part numberRTC battery L03258-001Before removing the RTC battery, follow these steps:1. Shut down the tablet. If you are
Reverse this procedure to install the RTC battery.Memory moduleDescription Spare part number16-GB (2400, 1.2-V DDR4) 865396-8558-GB (2400, 1.2-V DDR4)
3. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module. (The memory module tilts up.)4. Remove the memor
3. Disconnect the power from the tablet by rst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the tablet.4. Re
3. Disconnect the power from the tablet by rst unplugging the power cord from the AC outlet, and then unplugging the AC adapter from the tablet.4. Re
HingesDescription Spare part numberHinges (2, available in the Kickstand Hinge Kit, includes left and right hinges) L13279-001Before removing the hing
6 Troubleshooting guideThis chapter is primarily focused on troubleshooting HP Mobile Workstations and HP Notebooks. The information is provided so th
ResourcesHP Resource Tool Description LinkHP Elite Support Provides live HP Premium support (available 24/7) to Elite computers.http://www8.hp.com/us/
Non HP diagnostics tools ... 677. Status lights, blinking light c
Identify the issue1. Understand the issueIt is important to understand the issue that occurred, including related symptoms. It helps to understand the
A single symptom can be listed under dierent groups. For example, No Video can belong to (1) Power-on or (4) Display; but Flickering when powered sho
Failure classication by hardware devices and mechanicalTable 6-4 Failure classication by hardware devices and mechanical4. Display 5. I/O devices 6
3. Perform a visual inspection of hardwareIt is important to do a visual inspection of the hardware itself. Perform physical inspection of the compute
6. HP Hardware Diagnostics and ToolsHP oers dierent diagnostics and tools to diagnose hardware failure. This section describes how to use some of th
2. When the diagnostic tool opens, use the keyboard arrow keys to select the type of diagnostic test you want to run, and then follow the on-screen in
HP Support Assistant (HPSA)HP Support Assistant (HPSA) helps you maintain peak performance and resolve problems through automatic updates, built-in di
HP BIOS Conguration Utility (BCU)HP BCU is a free utility that captures the BIOS settings and their values. This tool provides a text le of the comp
7. Status lights, blinking light codes, troubleshooting lights, and POST error messagesCarefully observe any behavior the computer may be exhibiting:
Blinking light codesDuring startup, the computer may not boot properly. If this occurs, blinking light codes that will help identify what is causing t
HP Smart Adapter warning message ... 96Incorrect time and date .
Table 6-6 System diagnostics failure codes and user actions (continued)Test description Failure description Error code Suggested user actionsBIOS App
To perform a hard reset on a computer with a sealed or non removable battery, use the following steps:1. Turn o the computer.2. Remove the computer f
10. Reseat cables and connectionsNOTE: Before disassembling the computer to reseat cables and connections, always disconnect power and remove the batt
Essential hardware congurationNOTE: This step is to be used by authorized service providers only. HP will not honor the warranty for a system tested
12. Test with veried working conguration (hardware and/or operating system)One troubleshooting technique that can quickly isolate an issue is using
Verify solution● Verify that the implemented solution works. Reboot the system or device and try to complete the task that produced the issue.● If a p
During operation1. To wake the computer:a. Press the power button or any key on the keyboard.b. If the system remains in the Sleep (Windows), Suspend
● Third-party hardware or software● Operating system type and revision levelCommon issues and possible solutionsThis section contains common issues, s
Items Procedures2. Verify that battery is installed properly in battery bay without a gap and that latch locks are tight (for models with removable ba
Intermittent power-on, shutdown, rebootItems ProceduresSymptoms● Does not always turn on● Intermittently hangs● Intermittently shuts down● Spontaneous
Acronyms ...
AC adapter issue SolutionSymptoms● No sign of power● No boot● No rear power light● No front power light● Battery does not charge when AC adapter is c
Battery not recognized, not chargingItems ProceduresSymptoms● No battery status light● Blinking amber (critically low battery level)● No boot without
Items Procedures3. If issue remains, test with a veried working battery and verify battery status lights and battery conditions.4. If issue remains,
Burnt smellItems ProceduresSymptomsEmits smoke, burnt smellPossible causesDefective on-board components. Troubleshooting stepsGeneral visual inspecti
POSTNo video (with power)Items ProceduresSymptoms● No video (black/blank image) but have power● Light activity● No error messages● Fan noise● Hard dri
Items Procedures9. If issue persists, test or replace a conrmed working display.10. If issue persists, replace discrete graphics card.11. If issue pe
Diagnostics error messagesItems ProceduresSymptoms● Computer has power● POST error message displays (Windows logo has not yet appeared)Possible causes
BIOS passwordItems ProceduresSymptomsSome sections are unavailable (grayed out)Possible causesBIOS administration password is required. Troubleshooti
Intermittent shutdownItems ProceduresSymptoms● Shutdown during startup● Shutdown during operationPossible causesIt is often dicult to troubleshoot an
Items Procedures2. Verify that lights are solid.3. If shutdown is reproducible, test essential hardware conguration:a. If no issue with hardware con
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