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HP Omnibook XE4400

Troubleshooting and Diagnostics

3-1

Troubleshooting and Diagnostics

This chapter includes troubleshooting and diagnostic information for testing the functionality of the
notebook, and for identifying faulty components:

•

Troubleshooting information

Checking for customer abuse (page 3-3).

Troubleshooting the problem (page 3-3).

Verifying the repair (page 3-4).

Suggestions for troubleshooting (page 3-5).

•

Diagnostic tools

e-Diagtools diagnostic program (page 3-17).

Power-on self-test (page 3-20).

Sycard PCCtest 450/460 PC card (page 3-25).

Windows Management Instrumentation (page 3-26).

BIOS Setup utility (page 3-27).

Summary of Contents for OmniBook XE4400

Page 1: ... HP Omnibook XE4400 Technology Code KD Service Manual ...

Page 2: ...on adaptation or translation of those programs without prior written permission of Hewlett Packard Co is also prohibited Portions of the programs that control this product may also be copyrighted by Microsoft Corporation SystemSoft Corp Phoenix Technologies Ltd ATI Technologies Inc and Adobe Systems Incorporated See the individual programs for additional copyright notices This product incorporates...

Page 3: ... the Floppy Drive HP Authorized Service Providers Only 2 22 Removing the Infrared I R PCA HP Authorized Service Providers Only 2 24 Removing the Audio Control PCA HP Authorized Service Providers Only 2 26 Removing the PCMCIA Socket HP Authorized Service Providers Only 2 28 Removing the ESD Shield HP Authorized Service Providers Only 2 29 Removing the Heatsink with Fans HP Authorized Service Provid...

Page 4: ...iv HP Omnibook XE4400 Replaceable Parts 4 1 Reference Information 5 1 Password Removal Policy 5 1 Hewlett Packard Display Quality Statement 5 2 Service Notes and Obsolete Parts 5 4 ...

Page 5: ...Keyboard 2 14 Figure 2 9 Removing the Button Cover 2 15 Figure 2 10 Removing the CD DVD Drive 2 17 Figure 2 11 Removing the Display Assembly 2 19 Figure 2 12 Removing the Top Case 2 21 Figure 2 13 Removing the Floppy Drive 2 22 Figure 2 14 Removing the I R PCA 2 25 Figure 2 15 Removing the Audio Control PCA 2 27 Figure 2 16 Removing the PCMCIA Socket 2 28 Figure 2 17 Removing the ESD Shield 2 30 F...

Page 6: ...1 Table 2 2 Required Equipment 2 2 Table 2 3 Recommended Screw Torque Values 2 2 Table 2 4 Replacing Small Parts User Replaceable 2 10 Table 2 5 Removing Omnibook XE4400 Components 2 41 Table 3 1 Scope of Diagnostic Tools 3 5 Table 3 2 Troubleshooting Suggestions 3 6 Table 3 3 POST Terminal Error Beep Codes 3 20 Table 3 4 POST Messages 3 23 Table 3 5 Sycard PCCtest Commands 3 25 Table 3 6 BIOS Set...

Page 7: ...ook Web Site http www hp com notebooks http www europe hp com notebook European mirror HP Business Support web Site www hp com go bizsupport HP Partnership Web http partner americas hp com Restricted to Authorized Resellers only HP Asia Pacific Channel Support Centre for DPSP Partners http www hp com au Restricted to DPSP Partners only HP MCD web site http www mcd hp com HP s internal web site for...

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Page 9: ...SDRAM Video Mem Communication Battery F4666 J H Pentium 4 DT 1 8 GHz 14 1 in XGA 20 GB DVD 256 MB 32 MB Modem LAN Li Ion F4667 J H Pentium 4 DT 2 0 GHz 15 in XGA 30 GB CDRW DVD 256 MB 32 MB Modem LAN Li Ion F4670 J H Pentium 4 DT 1 8 GHz 14 1 in XGA 20 GB DVD 256 MB 16 MB Modem LAN Li Ion F4671 J H Pentium 4 DT 2 0 GHz 15 in XGA 30 GB CDRW DVD 256 MB 16 MB Modem LAN Li Ion F4673 J H Pentium 4 DT 1...

Page 10: ...h buttons 3 Keyboard status lights 4 Power button Turns the notebook on and off 5 Touch pad scroll pad click buttons plus on off button 6 Main status lights left to right power mode battery hard disk activity 7 Infrared port 8 Wireless on off button and indicator light 9 Battery 10 Volume and mute controls 11 Audio jacks left to right audio out headphones external microphone 12 CD ROM DVD or other...

Page 11: ... 17 PS 2 keyboard or PS 2 mouse port supports Y adapter 18 Parallel port LPT1 Use this port for a parallel printer or other parallel device 19 External monitor 20 S video port 21 Kensington lock slot security connector 22 Modem port 23 IEEE 1394 port 24 Two PC Card and CardBus slots and buttons 25 Floppy drive on certain models ...

Page 12: ...ormation HP Omnibook XE4400 Figure 1 3 Omnibook XE4400 Bottom View 26 Hard disk drive 27 Battery latch 28 Mini PCI door no user parts inside 29 SDRAM door 30 Port replicator connector 31 Reset button on certain models ...

Page 13: ...on in RAM Restarts quickly Restores network connections Power mode status light blinks Press the power button or click Start Turn Off Computer Stand By Windows XP or click Start Shut Down Standby Windows 2000 or allow timeout Hibernate mode Saves maximum power Saves current session to disk then shuts down Restores network connections Power mode status light is off Press Fn F12 or click Start Shut ...

Page 14: ...us Green The AC adapter is connected and the battery is fully charged Amber The AC adapter is connected and the battery is charging Blinking The AC adapter is connected and the battery is missing or has a fault Off The AC adapter is not connected The keyboard status lights located above the keyboard indicate the states of the keyboard locks Table 1 4 Keyboard Status Lights Meaning Caps Lock Caps L...

Page 15: ...ss Fn F2 Increases the display brightness Fn F5 Toggles among the built in display an external display and simultaneous display on both Fn F8 Toggles the built in keypad on and off Does not affect an external keyboard If Num Lock is on then the numeric functions are active otherwise cursor control is active as marked on an external keyboard Fn F12 Enters Hibernate mode Fn NumLock Toggles Scroll Lo...

Page 16: ...dows 2000 press CTRL ALT DEL click Shut Down and press the power button to restart Press and hold the power button for about four seconds until the display shuts down and then press the power button again to restart Use a ballpoint pen or a straightened paper clip to press the reset button on the bottom of the notebook Figure 1 4 Resetting the Notebook Note To boot from a CD insert a bootable CD s...

Page 17: ...rt Power Rechargeable lithium ion 14 8 Vdc or nickel metal hydride 9 6 Vdc battery with LED charge level gauge Battery life up to 3 LiIon or 2 hours NiMH hours typical varies with model usage and power settings Fast battery recharge 2 5 hours when system is off 4 hours when system is on Low battery warning Suspend resume capability Universal AC adapter 100 240 Vac 50 60 Hz input 19 Vdc output 90 W...

Page 18: ...th DDC support S video TV out certain models PS 2 keyboard mouse 4 Mbps IrDA compliant infrared port certain models IEEE 1394 certain models Universal serial bus USB 1 1 three ports Expandability One or two 16 32 bit PC Card slots Type II or III CardBus enabled Optional port replicator certain models Security Features User and administrator passwords System password PC identification displayed at ...

Page 19: ...urope 8120 6316 Replacement power cord Japan 8121 0702 Replacement power cord India 8120 6317 Replacement power cord South Africa 8120 8367 Replacement power cord Argentina 8120 8373 Replacement power cord People s Rep of China 8120 8441 Replacement power cord S Korea 8120 8452 Replacement power cord Chile 8120 8699 Replacement power cord Hong Kong Singapore Adapters F1469A PS 2 Y adapter PC Cards...

Page 20: ...role in virtually all system functions The CPU module and most other subsystems connect to the motherboard The following figure shows the connections among the notebook s replaceable electronic modules Table 1 8 on page 1 13 lists the roles that these modules play in the notebook s functional subsystems Figure 1 5 Replaceable Module Diagram ...

Page 21: ...witches PS 2 Touchpad Motherboard Top case Keyboard circuitry keyboard controller keyboard BIOS Touch pad sensor click buttons controller PS 2 output Audio Motherboard Audio Control PCA Keyboard cover speaker assembly Audio controller audio decoder speaker amplifier microphone External audio jacks headphone amplifier audio off switch Speakers Status Motherboard Button cover Top case LED circuitry ...

Page 22: ......

Page 23: ...e 2 31 Keyboard page 2 13 Module CPU page 2 33 Module SDRAM page 2 5 Panel cover page 2 15 PCA audio control page 2 26 PCA front antennas page 2 37 PCA IR page 2 24 PCA motherboard page 2 34 Rubber screw plug HDD page 2 10 Shield ESD page 2 29 Socket PCMCIA page 2 28 Caution Always provide proper grounding when performing repairs Without proper grounding an electrostatic discharge can damage the n...

Page 24: ...s screwdriver preferably magnetized Small flat blade screwdriver 5 mm nut driver Table 2 3 Recommended Screw Torque Values Screw Thread Size Torque cm kgf Torque in lbf M2 2 0 2 5 1 7 2 2 M2 5 hinges 3 5 4 0 3 0 3 4 M2 5 other 2 5 3 0 2 2 2 6 M3 2 5 3 0 2 2 2 6 Standoff hex 2 5 3 0 2 2 2 6 ...

Page 25: ...k XE4400 Removal and Replacement 2 3 Disassembly Flowchart The following diagram shows the general path you will use when disassembling the notebook to access any particular component Figure 2 1 Disassembly Flow ...

Page 26: ...placement HP Omnibook XE4400 Removing the Battery User Replaceable Required Equipment None Removal Procedure Slide the battery s release latch then pull the battery out of its compartment Figure 2 2 Removing the Battery ...

Page 27: ...ebook from booting Caution Handle the SDRAM module only by its edges and provide proper grounding or you might damage the module through electrostatic discharge Required Equipment Small Phillips screwdriver Removal Procedure 1 Unplug the AC adapter if present and then remove the battery 2 On the bottom of the notebook loosen the captive screws holding the memory door and then remove the door 3 Pre...

Page 28: ...XE4400 Figure 2 3 Removing an SDRAM Module Reassembly Notes Carefully press the SDRAM module into the connector at an angle of about 30 until it is fully inserted Then press down on both sides of the SDRAM module until the latches snap closed ...

Page 29: ...e notebook loosen the captive screws holding the Mini PCI door and then remove the door Caution Be careful when connecting and disconnecting the antenna cables from the mini PCI card Damaged cables or connectors can degrade notebook performance 3 Disconnect the two antenna cables from the mini PCI card 4 Press outward on the latches at the sides of the mini PCI card to release it the mini PCI card...

Page 30: ... drive load the factory software and operating system on the drive as described in Recovering the Factory Software as shown on the next page 1 Unplug the AC adapter if present and then remove the battery 2 On the bottom of the notebook remove the hard drive rubber screw plug and retaining screws 3 Carefully pull the hard drive out of the notebook Figure 2 5 Removing the Hard Disk Drive Screw M2 5 ...

Page 31: ...k 1 into the notebook s CD DVD drive If the notebook is turned off use a pin or straightened paper clip to press the release switch on the drive door to open it 3 Turn on or restart the notebook 4 When the HP logo appears press Esc to display the Boot menu 5 Use the arrow keys to select the CD DVD drive as the first boot device then press Enter 6 When the Recovery CD dialog box appears follow the ...

Page 32: ...or to the bottom case and then remove the door Door memory On the bottom of the notebook loosen the screws that secure the SDRAM module door to the bottom case and then remove the door Feet rubber on bottom of notebook Insert a small flat blade screwdriver under the foot and pry it loose To replace firmly press the adhesive side of the foot into the recess Rubber cover docking port Grasp the rubbe...

Page 33: ...fully insert a flat blade screwdriver blade under the keyboard cover speaker assembly near the right end and then gently pry up the center 4 Carefully remove the keyboard cover speaker assembly connector from the motherboard Caution Be careful not to damage the antenna PCA that is connected to the left and right display assembly hinges Damaging either antenna PCA can degrade notebook performance R...

Page 34: ...2 12 Removal and Replacement HP Omnibook XE4400 Figure 2 7 Removing the Keyboard Cover Speaker Assembly Screw M2 5 5mm 2 ...

Page 35: ...at the button cover end and then pull it toward the display assembly to release the tabs from the top case 5 Turn the keyboard over and disconnect the motherboard cable 6 Remove the keyboard Reassembly Notes Caution Do not excessively bend or fold the keyboard cable Excessive flexing can damage the keyboard cable connectors Lay the keyboard face down on the top case forward of its normal position ...

Page 36: ...2 14 Removal and Replacement HP Omnibook XE4400 Figure 2 8 Removing the Keyboard Screw M2 5 4mm 4 ...

Page 37: ...ove the battery 2 Remove these additional assemblies Keyboard cover speaker assembly page 2 11 Keyboard page 2 13 3 Carefully disconnect the lid switch cable from the button cover 4 Remove the screws that secure the button cover to the top case 5 Carefully remove the button cover from the top case and then disconnect the underside motherboard cable Figure 2 9 Removing the Button Cover Screw M2 5 4...

Page 38: ...excessively bend or fold the button cover cable Excessive flexing can damage the button cover cable connections Make sure the metal contacts of the button cover cable faces the rear of the notebook Connect the button cover cable to the motherboard before installing the button cover ...

Page 39: ...eaker assembly page 2 11 Keyboard page 2 13 3 Remove the screws that secure the CD DVD drive to the top case and motherboard Caution Be careful when inserting your index finger into the top case opening The edges are very sharp and could cause you to injure your finger 4 Place your index finger in the top case opening and push out on the CD DVD drive to release it from the motherboard 5 Remove the...

Page 40: ...he keyboard cover speaker assembly page 2 11 3 Remove the screws from the rear of the notebook 4 Remove the screws from the left and right antenna PCAs Relocate the antenna PCAs away from the display assembly hinges 5 Disconnect the display assembly cable from the motherboard 6 Remove the screws that secure the display assembly to the top case Note that there is a grounding strap at the left hinge...

Page 41: ...cement 2 19 Figure 2 11 Removing the Display Assembly Reassembly Note When connecting the left and right antenna PCAs make sure they are parallel with the display assembly hinges Screws M2 5x5mm 6 Screws M2 5 6mm 8 Screws Silver M2x4mm 2 ...

Page 42: ...11 Keyboard page 2 13 Button cover page 2 15 CD DVD drive page 2 17 Display assembly page 2 18 3 Remove the two screws from the rear of the bottom case 4 Remove the screws from the middle and near the back of the top case 5 Remove the screws from the bottom case 6 At the CD DVD drive opening carefully unsnap the top case from the bottom case 7 At the USB port use your thumb to push out on the top ...

Page 43: ...e Reassembly Notes When replacing the top case make sure all cables are clear of the motherboard standoffs Make sure the right antenna does not come into contact with any metal surface on the top case Screw M2 5 5mm 16 Screw M2 5 7mm 3 Screw M2 5 4mm Screw M2 5 6mm Screw M2 5 5mm 2 ...

Page 44: ...ter if present and remove the battery 2 Remove these additional assemblies Hard disk drive page 2 7 Keyboard cover speaker assembly page 2 11 Keyboard page 2 13 Button cover page 2 15 Display assembly page 2 18 Top case page 2 20 3 Remove the screws that secure the floppy drive to the top case 4 Lift the floppy drive away from the top case Figure 2 13 Removing the Floppy Drive Screw M2 5 4mm 4 ...

Page 45: ...ively bend or fold the floppy drive cable Excessive flexing can damage the floppy drive cable connections Connect the floppy drive cable to the motherboard with the blue tab facing the rear of the floppy drive Make sure you slip the floppy drive cable under the metal tab on the top case ...

Page 46: ...e 1 Unplug the AC adapter if present and remove the battery 2 Remove these additional assemblies Hard disk drive page 2 7 Keyboard cover speaker assembly page 2 11 Keyboard page 2 13 Button cover page 2 15 Display assembly page 2 18 Top case page 2 20 3 Disconnect the cable from the motherboard 4 Remove the screws that secure the I R PCA to the bottom case 5 Remove the I R PCA ...

Page 47: ...n handling the I R PCA cable Damaging the cable can degrade notebook performance Make sure you lift up on the battery shield and then place the I R PCA under it Make sure you route the I R PCA cable over the battery shield as shown below Figure 2 14 Removing the I R PCA Screw M2 5 4mm 2 ...

Page 48: ... the AC adapter if present and remove the battery 2 Remove these additional assemblies Hard disk drive page 2 7 Keyboard cover speaker assembly page 2 11 Keyboard page 2 13 Button cover page 2 15 Display assembly page 2 18 Top case page 2 20 3 Disconnect the cable from the motherboard 4 Remove the screws that secure the audio control PCA to the bottom case 5 Remove the audio control PCA ...

Page 49: ...tion Use care when handling the audio control PCA cable Damaging the cable can degrade notebook performance Make sure the audio control PCA cable stays clear of the CD DVD drive rail and motherboard standoffs Figure 2 15 Removing the Audio Control PCA Screw M2 5 4mm 2 ...

Page 50: ...nt and remove the battery 2 Remove these additional assemblies Hard disk drive page 2 7 Keyboard cover speaker assembly page 2 11 Keyboard page 2 13 Button cover page 2 15 Display assembly page 2 18 Top case page 2 20 3 Remove the screws that secure the PCMCIA socket to the motherboard 4 Remove the PCMCIA socket by disconnecting it from the motherboard Figure 2 16 Removing the PCMCIA Socket Screw ...

Page 51: ...ug the AC adapter if present and remove the battery 2 Remove these additional assemblies Hard disk drive page 2 7 Keyboard cover speaker assembly page 2 11 Keyboard page 2 13 Button cover page 2 15 Display assembly page 2 18 Top case page 2 20 3 Remove the screws and standoffs that secure the ESD shield to the bottom case 4 Carefully remove the ESD shield 5 Remove the OOD guide ...

Page 52: ...k performance Make sure you route the antenna PCA cable through the opening in the ESD shield Replace the OOD guide first and then make sure the notch in the ESD shield slides into the corresponding opening in the OOD guide Use care when replacing the ESD shield to avoid damaging the USB port Figure 2 17 Removing the ESD Shield Screw M2 5 6mm 2 Standoffs 4 ...

Page 53: ...eyboard page 2 13 Button cover page 2 15 Display assembly page 2 18 Top case page 2 20 3 Remove the screws that secure the heatsink with fans to the motherboard 4 Lift up on the heatsink with fans and then disconnect the fan cables from the motherboard 5 Lift up on the small fan and disconnect it from the motherboard Figure 2 18 Removing the Heatsink with Fans Caution Do not spin the fan blades wi...

Page 54: ... Use a sharp knife or scraper to carefully remove the old thermal pad from the heatsink then attach the new thermal pad Replace the small fan first and then connect it to the motherboard Note that the small fan gets secured to the bottom case when replacing the top case Install the heatsink screws in this order 1 Install all four screws lightly 2 Fully tighten the screws in the order marked on the...

Page 55: ...y assembly page 2 18 Top case page 2 20 Heatsink page 2 31 3 Turn the lock screw one half turn counterclockwise to release the CPU module you should hear a light snap Carefully lift the CPU module off of its socket on the motherboard Figure 2 19 Removing the CPU Module Reassembly Notes The CPU module is keyed for installation and can be inserted only one way Carefully insert the CPU module into th...

Page 56: ...disk as described in the package s Readme file 2 Plug in an AC adapter 3 Insert the Service Utilities floppy disk in the floppy drive 4 Turn on the notebook When the HP logo appears on either the built in display or the external monitor press Esc to display the boot menu then choose Removable Device and boot from the floppy disk 5 Select the Serial Number option from the boot menu 6 When prompted ...

Page 57: ...s time 4 Remove the screws that secure the motherboard to the bottom case 5 Carefully lift the motherboard out of the bottom case 6 If present remove the modem port cover Figure 2 20 Removing the Motherboard Reassembly Notes Wireless Models Only Before installing the motherboard make sure the round coaxial cables from the antenna PCAs are held in place by the clips in the bottom case Make sure the...

Page 58: ... the reassembly notes in the section entitled Removing the Motherboard on page 2 35 Note After Replacing the Motherboard If present insert the modem port cover into the modem port opening Afterwards you must use the Service Utility floppy disk to store the system data and display information in the EEPROM on the new motherboard To do so 1 Plug in an AC adapter 2 Insert the Service Utilities floppy...

Page 59: ...sion includes fields for warranty period and manufacturing location Store the template with other Word templates on a PC connected to a laser printer 1 Open a new document based on the serial label template 2 Enter the information from the old serial label and print the new label on plain white paper The new label does not have barcodes 3 Carefully cut out the new serial label just inside the bord...

Page 60: ...se carefully These tabs can be easily broken 1 Carefully remove both antennas from the old bottom case 2 Route both antenna cables through the new bottom case as shown below Make sure you leave enough room at the cable connector end to connect to the mini PCI card 3 Make sure the right antenna PCA cable does not interfere with the battery latch mechanism Figure 2 22 Replacing the Antennas Replacin...

Page 61: ...the BIOS Setup utility except for BIOS passwords so record these before performing the update Update the notebook s BIOS as follows 1 In Windows exit any programs that are running 2 Undock the notebook if it is docked and remove any PCMCIA cards from it 3 Connect the AC adapter to the notebook 4 Connect any cables or equipment needed to connect to the Internet 5 Click Start Programs or All Program...

Page 62: ...book and allow it to boot from the BIOS floppy disk If the notebook does not turn on at all do the following to boot from the BIOS floppy disk a Unplug the AC adapter b Press and hold Fn B c Plug in the AC adapter d Release Fn B Note If the notebook will not boot from the BIOS floppy disk try plugging the boot block jumper into the notebook s parallel port See the wiring diagram below 3 The displa...

Page 63: ... 17 Display page 2 18 Top case page 2 20 Heatsink page 2 26 Motherboard page 2 34 Reassembly Notes After replacing the CMOS battery set the correct time and date using the BIOS Setup utility or Date Time in the Control Panel Case bottom See page 2 37 Case top See page 2 20 CD DVD drive See page 2 17 Cover button See page 2 15 CPU module See page 2 33 Display assembly See page 2 18 Doors PCMCIA Key...

Page 64: ...lift it from the bottom case PCA audio control See page 2 26 PCA I R See page 2 24 PCA left and right antennas wireless models only Keyboard cover page 2 11 Keyboard page 2 13 Button cover page 2 15 CD DVD page 2 17 Display page 2 18 Top case page 2 20 Disconnect the front antenna PCA cables from the mini PCI card page 2 7 Be careful not to bend the metal tabs on the bottom case when removing or r...

Page 65: ...or identifying faulty components Troubleshooting information Checking for customer abuse page 3 3 Troubleshooting the problem page 3 3 Verifying the repair page 3 4 Suggestions for troubleshooting page 3 5 Diagnostic tools e Diagtools diagnostic program page 3 17 Power on self test page 3 20 Sycard PCCtest 450 460 PC card page 3 25 Windows Management Instrumentation page 3 26 BIOS Setup utility pa...

Page 66: ...r follow the basic troubleshooting steps shown below Check the customer s description of the problem and any supporting information Try to duplicate the customer s problem Troubleshoot the problem using Diagnostic tools Troubleshooting suggestions Verify the repair by testing the functionality of the complete unit Check for customer abuse Figure 3 1 Basic Troubleshooting Steps ...

Page 67: ... and version Software version stored in hidden file c version inf BIOS version Accessories and peripherals used Analyze the problem Observe Symptoms Using the customer s information try to duplicate the problem Determine how the problem differs from proper behavior Also note the functions that do work properly Separate Problems If there are multiple symptoms separate them into distinct problems Co...

Page 68: ...ok will normally be in a confused state and lock up when you apply power If this happens press the reset button this turns the notebook off so that you can restart it in a known state Verifying the Repair Before returning the repaired notebook to the customer verify the repair by running the following tests e Diagtools Basic Diagnostic Test Run the basic test of the e Diagtools diagnostic program ...

Page 69: ... Tests Describes Configures Hard disk Tests Tests Describes Configures Floppy drive Tests Tests Describes Configures Keyboard Tests Tests Describes Audio Tests Serial Tests Describes Configures Parallel Tests Describes Configures LAN Tests Describes Configures Modem Configures Wireless Configures Infrared Describes Configures PS 2 port Tests Configures USB Describes Configures Port replicator PCMC...

Page 70: ...ht does not turn on reprogram BIOS replace top case replace motherboard If power status light turns on but display remains off try external monitor If monitor shows successful boot replace display assembly If monitor shows activity but BIOS does not complete replace display assembly If monitor is blank replace button cover replace motherboard If power status light and display turn on BIOS complete...

Page 71: ...restricted to certain sites See page 5 1 Power No power Make sure charged battery is installed or AC adapter connected Try another battery or AC adapter if available AC adapter Battery Motherboard Notebook has short operating time when on battery Turn down display brightness Check timeout settings in Power in Control Panel Check power management settings in BIOS Setup Try default settings Battery ...

Page 72: ... nearby heat source Unplug AC adapter and allow battery to cool Check for blocked air vents Battery or contacts AC adapter Motherboard Heatsink Check battery and AC adapter Check heatsink AC adapter does not power notebook Try another AC adapter if available AC adapter Motherboard AC adapter cannot be repaired and must be replaced Battery indicator is inaccurate Time Remaining is an estimate based...

Page 73: ...warmed up Check power supply Make sure SDRAM modules are installed properly Adjust display brightness Press Fn F5 several times Try external monitor Display cable connection SDRAM modules CPU module Display assembly Motherboard Check cable connections Replace SDRAM modules Make sure CPU module is installed properly replace CPU module Check display cable connections replace display assembly If exte...

Page 74: ... whining noise Back up disk immediately Check hard disk installation Check for alternate noise sources such as PCMCIA drive or fan Depends on noise source Files corrupted Run virus scan program Check hard disk using Tools tab in disk s Properties sheet Test hard disk drive with e Diagtools diagnostics Back up files if possible then use Recovery CDs to reformat hard disk and reinstall factory softw...

Page 75: ...ow region code to be changed only a limited number of times usually no more than four When this limit is reached last change is hard coded on DVD drive and is permanent Refer to DVD player software help for details HP warranty does not cover expense of correcting this situation System Error Unable to read drive message Make sure disk is clean undamaged and inserted correctly Clean with soft cloth ...

Page 76: ...elect Synaptics PS 2 TouchPad driver Driver is installed from hp drivers touchpad Top case Motherboard Click button does not work Top case Motherboard Memory Out of memory error Make sure C drive has adequate free space Delete temporary and unneeded files Use memory troubleshooter in Windows Help Not all third party memory cards have been tested for use with notebook SDRAM module Notebook does not...

Page 77: ...gnostics For USB contact device vendor and HP Notebook web site see page vii for latest USB drivers For USB if the device is powered by the USB port try the other port Motherboard Modem General problems Check settings in Control Panel Open hardware Device Manager If modem is disabled try to enable If modem has a conflict try disabling another device Use analog telephone line 2 3 or 4 wires not PBX...

Page 78: ...4 or 5 for 10Base T operation or Category 5 for 100Base TX operation Maximum cable length is 100 meters 330 feet Test LAN with e Diagtools diagnostics Motherboard Infrared General problems Infrared is disabled and no drivers installed as shipped Drivers are included Make sure line between infrared ports is not blocked ports face each other squarely and are no more than 1 meter apart Sunlight heat ...

Page 79: ...Download current drivers from card manufacturer s web site PCMCIA socket Motherboard Using a flashlight look for bent pins inside the PCMCIA socket If only one slot is affected replace PCMCIA socket If both slots are affected replace motherboard AC adapter Does not power notebook Make sure AC adapter has correct power rating Try another AC adapter if available AC adapter Motherboard AC adapter can...

Page 80: ... disk power settings Check for overheating see previous symptom If notebook s hard drive frequently runs as indicated by hard drive light on front of notebook while notebook appears to be paused or running slowly consider installing additional SDRAM Make sure hard drive has adequate free space Delete temporary and unneeded files CPU module Motherboard If notebook slows after period of continuous a...

Page 81: ... e Diagtools Diagnostic Program The hardware diagnostic programs provide two levels of testing User level testing using a basic hardware test Advanced testing using individual hardware tests The tests are designed to run after the system reboots so that the notebook will be in a predictable state during the tests The tests are non destructive and are intended to preserve the state of the notebook ...

Page 82: ...or detected hardware 9 Press F2 to run the selected tests and add the results to the Support Ticket 10 After each run press F2 to return to the advanced test screen or press F4 to view the Support Ticket 11 Exit Press F3 and then any key to exit and reboot 12 Optional open the Support Ticket In Windows click Start All Programs or Programs Hewlett Packard Notebook HP e Diagtools e Diagtools for Win...

Page 83: ...low up actions The basic hardware test shows a recommended replacement part To help interpret the results of the e Diagtools tests refer to the following e Diagtools Support Ticket on page 3 18 Replaceable Module Diagram on page 1 12 Functional Structure Description on page 1 13 This combined information should enable you to determine which of the notebook s components require service ...

Page 84: ... Provide clean AC power no auto adapter or unusual AC adapter configuration 3 Press the reset button to return the notebook to a known state 4 Press the power button to start the notebook If the BIOS detects a terminal error condition it halts POST after issuing a beep code and or displaying a message see the following table The beep code indicates the POST routine in which the terminal error occu...

Page 85: ...t for unexpected interrupts 2 2 3 2 Initialize POST display service 2 2 3 3 Display prompt Press F2 to enter SETUP 2 2 3 4 Disable CPU cache 2 2 4 1 Test RAM between 512 and 640 kB 2 3 1 1 Test extended memory 2 3 1 3 Test extended memory address lines 2 3 2 1 Jump to UserPatch1 2 3 2 3 Configure advanced cache registers 2 3 2 4 Initialize Multi Processor APIC 2 3 3 1 Enable external and CPU cache...

Page 86: ...1 1 4 Initialize error display function 4 1 2 1 Initialize system error handler 4 1 2 2 PnPnd dual CMOS optional 4 1 2 3 Initialize note dock optional 4 1 2 4 Initialize note dock late 4 1 3 1 Force check optional 4 1 3 2 Extended checksum optional 4 1 3 3 Redirect Int 15h to enable remote keyboard 4 1 3 4 Redirect Int 13h to Memory Technologies Devices such as ROM RAM PCMCIA and serial disk 4 1 4...

Page 87: ...the system 0251 System CMOS checksum bad Default configuration used System CMOS has been corrupted or modified incorrectly perhaps by an application that changes CMOS data In response the BIOS has installed the default Setup values Use BIOS Setup to modify these values if needed If the error persists check the system battery Connect the AC adapter for at least 24 hours replace the motherboard 0260...

Page 88: ...reen PS 2 mouse installed nnnn kB Extended RAM Passed Where nnnn is the amount of RAM in kB successfully tested nnnn Cache SRAM Passed Where nnnn is the amount of system cache in kB successfully tested nnnn kB Shadow RAM Passed Where nnnn is the amount of shadow RAM in kB successfully tested nnnn kB System RAM Passed Where nnnn is the amount of system RAM in kB successfully tested Operating system...

Page 89: ...PCMCIA functions For details see the Sycard Technology web site http www sycard com The PCCtest product contains these components PCCtest 450 or 460 revision 1 05 PC card PCCtest 450 460 software disk Software updates are available at the Sycard Technology web site Configuration headers PC card 16 bit and CardBus 32 bit that attach to the card You will also need a CardBus extender card such as the...

Page 90: ...einstalled on the notebook s hard disk or can be downloaded from http www hp com toptools the contents are the same in both cases The package must be properly installed before it can be used To install the WMI preloaded on the hard disk 1 Start Windows if it is not already running 2 Click Start Programs or All Programs Hewlett Packard HP Toptools Agent Setup Using WMI For a complete description of...

Page 91: ...during reboot the system prompts you to run BIOS Setup and marks the conflicting settings Note The listings in the following table are for the initial XE4400 BIOS release and might differ somewhat for other models Table 3 6 BIOS Setup Menus and Parameters Omnibook XE4400 Introduced with BIOS version KD M1 00 Spring 2002 Main Menu Description Default BIOS Revision Shows the current BIOS version Det...

Page 92: ...hange or clear the user password The password can have no more than 8 characters 0 9 A Z and cannot include special or accented characters Enter Set Administrator Password Press ENTER to set change or clear the administrator password which protects BIOS Setup settings The password can have no more than 8 characters 0 9 A Z and cannot include special or accented characters Enter Password Required t...

Page 93: ...e Parts 4 1 4 Replaceable Parts This chapter contains an exploded view of the Omnibook XE4400 and the following lists of parts Notebook replaceable parts page 4 3 Accessory replacement parts page 4 5 Part number reference page 4 5 ...

Page 94: ...4 2 Replaceable Parts HP Omnibook XE4400 Figure 4 1 Exploded View ...

Page 95: ... XGA Gray Silver F4640 60938 2 Display Assembly 15 SGVA Gray Silver F4640 60940 2 Display Assembly 15 XGA Gray Silver F4640 60939 2 Display Assembly 14 1 XGA Black Silver F4640 60961 2 Display Assembly 15 SGVA Black Silver F4640 60963 2 Display Assembly 15 XGA Black Silver F4640 60962 18 Door Memory F4665 60901 Yes 24 Door Mini PCI F4665 60902 Yes 27 Drive CD ROM F4640 60934 Yes 27 Drive Combo CD ...

Page 96: ...ard FDD button panel and speaker F4665 60936 Kit Display Screw Plug Gray Rubber Display Screw Plugs 6 Mylar Display Screw Plugs 4 F4640 60970 Yes 14 Kit Door PCMCIA Upper Door w Spring Lower Door w Spring F4640 60965 Kit Rubber Foot and Screw Plug Rubber Feet 6 Rubber Front Screw Plugs 8 F4640 60969 Yes 19 Kit Screw F4640 60975 8 Module CPU DT 22 Panel Wireless w IR w button F4640 60950 25 PCA Aud...

Page 97: ...Yes Cord power Hong Kong Singapore 8120 8699 Yes Drive 40 GB hard disk Yes Port replicator Yes Table 4 3 Part Number Reference Exchange User Part Number Part Number Description Repl 128 MB SDRAM module DDR266 Yes 256 MB SDRAM module DDR266 Yes 512 MB SDRAM module DDR266 Yes 20 GB hard disk drive module Yes 30 GB hard disk drive module Yes 40 GB hard disk drive module Yes 90 watt AC adapter Yes F14...

Page 98: ...FDD includes FDD FDD bezel and flex cable Drive Hard Disk Yes F4665 60911 Fan Small F4665 60918 Guide OOD F4665 60910 Heatsink Assembly F4640 60909 Keyboard Arab English Yes F4640 60910 Keyboard Belgium Yes F4640 60911 Keyboard Czech US Yes F4640 60912 Keyboard Danish Yes F4640 60914 Keyboard French Canada Yes F4640 60913 Keyboard French Yes F4640 60915 Keyboard German Yes F4640 60916 Keyboard Gre...

Page 99: ... 60965 Kit Door PCMCIA F4640 60969 Kit Rubber Foot and Screw Plug Yes Kit Screw Module CPU Pentium 4 M F4640 60950 Panel Wireless w IR w button F4665 60923 PCA Audio Control F4640 60946 PCA I R F4665 60916 PCA Motherboard Pentium DT F4640 60917 PCA Motherboard Pentium DT F4665 60927 PCA Modem Audio F4640 60905 Port Replicator F4665 60913 Shield ESD F4665 60904 Socket PCMCIA F4640 60904 Tray HDD ...

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Page 101: ...nd current owner This requires a sales receipt showing the notebook serial number and owner s name or a written statement from the owner attesting that he or she is the owner of the notebook The statement can be a fax copy of the document The fact that the notebook is in the hands of an HP representative on behalf of the customer is not evidence of ownership In addition HP will not remove the pass...

Page 102: ...indows or in some other application or combination of applications you should make the determination under those same applications Self test is not a normal operating condition and is not a sufficient tool for interpreting display quality 2 Use the table below to determine whether the display should be considered for replacement These are the only conditions in this guideline that might call for a...

Page 103: ...ple defective dots within 15 mm Mechanical Imperfections Discoloration Polarizer bubbles dents b Any polarizer bubble discoloration or dent that is visible from at least 36 cm 14 in Definitions of imperfections a Bright or dark dot a subpixel red green or blue dot that is stuck on or off b Polarizer dent or bubble a light spot with a darker border that appears on a lighted display and does not cha...

Page 104: ...n HP Omnibook XE4400 Service Notes and Obsolete Parts Service notes containing important repair information for these products will be issued as needed These notes are available online at the Partnership web site see page vii ...

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Page 106: ...Part Number F4665 90024 Printed in U S A 4 02 ...

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HP OmniBook XE4400, Service Manual

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