HP 500 manual Display

Page 71

Symptom

Call Center:

Repair Center:

Repair Center:

 

Suggestions

Likely Causes

Comments

Main battery does

Check the power source.

Battery or contacts.

Check the main battery and

not charge.

Make sure the main battery is

AC adapter.

AC adapter.

 

installed properly.

Motherboard.

Check the heatsink/fan.

 

Check the battery contacts. If

Heatsink/fan.

 

 

available, try another battery

 

 

 

and AC adapter.

 

 

 

Move the computer away

 

 

 

from any heat source. Unplug

 

 

 

the AC adapter and let the

 

 

 

battery cool down. Check for

 

 

 

blocked air vents.

 

 

Secondary battery

Make sure the main battery is

Secondary battery

Check the secondary battery

module does not

fully charged. If not, the

module.

and AC adapter.

charge.

secondary battery will not

Expansion base.

 

 

charge.

 

 

 

Check the power source.

 

 

 

Make sure the secondary

 

 

 

battery is installed properly.

 

 

Time Remaining

The Time Remaining is an

 

 

indicator is

estimate based on how much

 

 

inaccurate.

power the computer is using

 

 

 

at the moment. The estimate

 

 

 

therefore depends on the

 

 

 

current task, and assumes

 

 

 

that power will be used at the

 

 

 

same rate until the battery

 

 

 

runs out. So, for example, if

 

 

 

the computer is performing a

 

 

 

task requiring a good deal of

 

 

 

power (such as reading from

 

 

 

a CD or DVD), the value will

 

 

 

probably show too little time

 

 

 

remaining.

 

 

Display

 

 

 

Dark display, no

Adjust the display brightness.

Display cable

Reprogram the EEPROM—

light.

Press Fn+F5 several times.

connection.

see page 2-20.

 

Try an external monitor.

Display assembly.

Check the cable connection.

 

If the display is extremely

Motherboard.

Replace the display

 

cold, it will show completely

 

assembly.

 

dark. If this happens, allow

 

If an external monitor

 

the computer to gradually

 

displays no image, replace

 

warm to room temperature.

 

the motherboard.

White display.

Adjust display brightness.

Display assembly.

 

 

 

Motherboard.

 

Erratic display.

 

Display cable

Check the display cable

 

 

connection.

connection.

 

 

Display assembly.

 

 

 

Motherboard.

 

Bright or missing

See quality statement on

Display cable

Check the display cable

pixels or lines.

page 5-2.

connection.

connection.

 

 

Display assembly.

See the quality statement on

 

 

 

page 5-2.

HP Omnibook 500

Troubleshooting and Diagnostics

3-9

Image 71
Contents HP Omnibook HP Omnibook Edition HistoryContents Figures Tables Source Address or Number Comments IntroductionOmnibook 500 Series Models Product InformationProduct Comparisons Omnibook Front View FeaturesOmnibook Back View Expansion Base Front View Expansion Base Back View Turning the Computer On and Off Activating Power ModesOperation Keyboard Status Lights Battery StatusChecking the Status of the Computer Main Status Lights front of computerHot Key Effect Using Fn Hot KeysFn Hot Keys Resetting the Computer Resetting an Expansion Base Resetting the OmnibookDocking the Computer Docking and Undocking the ComputerManually Undocking the Computer Undocking the Computer10. Connecting a Floppy Disk Drive Connecting a Floppy Disk DriveOmnibook 500 Series Specifications SpecificationsPointing Device Wireless LANAudio System Computer KeyboardMajor ICs Computer Security FeaturesEnvironmental Limits Omnibook 500 Series Accessories PC Cards Accessory Description Omnibook Compat 500 6000 900BInternal Design 11. Replaceable Component DiagramFunctional Structure Function Components Used Component Roles BootupRemoval Cross-Reference Removal and ReplacementWireless models only Disassembly FlowchartScrew Thread Size Torque cm-kgf Torque in-lbf Required EquipmentRecommended Screw Torques Removal Procedure Removing the Main BatteryReleasing the Module Removing a Plug-In ModuleDescription Part Number Exchange Part Number Hard Disk Drive Replacement Part NumbersRemoving the Hard Disk Drive Removing the Hard Disk Tray Reassembly Notes Creating a Utility Partition Removing the Power Button Panel Reassembly Notes Removing the Power Button PanelRemoving the Keyboard Screws Removing the KeyboardReassembly Notes Removing a System Sdram Module Sdram Module Replacement Part NumbersRemoving an Sdram Module Removing an Expansion Sdram Module 10. Removing an Sdram Expansion Module Reassembly NoteRemoving a Mini-PCI Card certain models only 12. Routing the Mini-PCI Cables LAN/modem card shown Removing the Switchboard PCA Replacing Small Parts User-Replaceable Replacing Small PartsHP Authorized Service Providers Only Removing the Display Assembly14. Removing the Display Reassembly Notes Page 16. Removing the Heatsink/Fan Removing the Heatsink/Fan17. Separating the Heatsink and Fan Reassembly Note Removing the Top Case 18. Removing the Top Case Removing the Motherboard or Bottom Case 19. Removing the Motherboard Reassembly Notes 20. Removing Motherboard Components Replacing the MotherboardReassembly Note Replacing the Bottom Case 21. Removing Bottom Case Components Installation Procedure 23. Example of Serial Number Label 22. Replacing the Docking DoorsRepairing the Bios IC 24. Boot-Block Jumper Removing Omnibook Components Removing Omnibook ComponentsPanel, mini-PCI Component Removal Procedure Additional Steps Heatsink/fanReassembly Notes Mini-PCI models only. Route Panel, audio/PCMCIAPage Troubleshooting and Diagnostics Basic Troubleshooting Steps TroubleshootingChecking for Customer Abuse Troubleshooting the ProblemVerifying the Repair Scope of Diagnostic Tools Suggestions for TroubleshootingStartup Troubleshooting SuggestionsHP Omnibook Troubleshooting and Diagnostics Troubleshooting and Diagnostics HP Omnibook Display Use the Recovery CD to Keyboard and pointing stick DVDSerial/Parallel Click/scroll buttonLAN/Network Wireless Miscellaneous MotherboardTroubleshooting and Diagnostics HP Omnibook Plug-in Modules Troubleshooting and Diagnostics HP Omnibook Updating e-DiagTools Diagnostic ToolsDiagTools Running e-DiagTools EnterSerial and Parallel Loopback Connectors Interpreting the Results E-DiagTools Error CodesFloppy Disk Tests Smbus Tests 9088h Replace the expansion base Beep Codes Post Description Power-On Self-TestPost Terminal-Error Beep Codes Message Description Post Messages02F7 Fail-Safe Timer NMI Failed Omnibook 500 PCI1410 Sycard PCCtest CommandsSycard PCCtest 450/460 CardBus Card Optional Pcmcia PC Card 16-bit test CardBus 32-bit testDesktop and Windows Management Interfaces DMI/WMI Installing the DMI PackageUsing DMI/WMI Uninstalling the DMI/WMI PackageRunning the Bios Setup Utility Bios Setup UtilityMain Menu Default Bios Setup Menus and ParametersSecurity Menu Default System Devices Menu DefaultExit Menu Power APM Menu DefaultBoot Menu Default Replaceable Parts Omnibook Exploded View Description Part Number Exchange User Repl Replaceable PartsReplaceable Parts HP Omnibook HP Omnibook Replaceable Parts Accessory Replaceable Parts Part Exchange Description User Number Part Number Repl Part Number ReferenceReplaceable Parts HP Omnibook HP Omnibook Replaceable Parts Clip, wireless cable Reference Information Password Removal PolicyHewlett-Packard Display Quality Statement Mechanical Imperfections Omnibook 500 LCD Guidelines 12.1-in TFT, XGAObsolete Parts Obsolete Repair PartsObsolete New Description Service Notes/Comments Part Number Page Part Number F3476-90024
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500 specifications

The HP 500 series is a remarkable line of printers designed to meet the diverse needs of both home and professional users. Renowned for their exceptional print quality and advanced technology, these printers have established themselves as a reliable choice for anyone looking to produce high-quality documents and images.

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