HP 1105 Advanced Device Options, There is no sound or sound volume is too low Cause Solution

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Cursor will not move using the arrow keys on the keypad.

Cause

Solution

 

 

The Num Lock key is turned on.

Press the Num Lock key. The Num Lock light must be off if

 

you want to use the arrow keys on the keypad. You can also

 

disable or enable the Num Lock key in Computer Setup at

 

Advanced > Device Options.

 

 

 

There is no sound or sound volume is too low.

 

 

 

 

Cause

Solution

 

 

System volume may be set low or muted.

1. Check the Computer Setup settings to make sure the

 

 

internal system speaker is not muted (this setting does

 

 

not affect the external speakers).

 

2.

Make sure the external speakers are properly

 

 

connected and powered on and that the speakers'

 

 

volume control is set correctly.

 

3.

Use the system volume control available in the

 

 

operating system to make sure the speakers are not

 

 

muted or to increase the volume.

 

 

 

Cannot remove computer cover or access panel.

Cause

Solution

Smart Cover Lock, featured on some computers, is locked.

Unlock the Smart Cover Lock using Computer Setup.

In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store.

Poor performance.

Cause

Solution

 

 

 

Processor is too hot.

1.

Make sure airflow to the computer is not blocked. Leave

 

 

a 10.2-cm (4-inch) clearance on all vented sides of the

 

 

computer and above the monitor to permit the required

 

 

airflow.

 

2.

Make sure fans are connected and working properly

 

 

(some fans only operate when needed).

 

3.

Make sure the processor heat sink is installed properly.

 

 

Hard drive is full.

Transfer data from the hard drive to create more space on

 

the hard drive.

 

 

Low on memory.

Add more memory.

 

 

Hard drive fragmented.

Defragment hard drive.

 

 

Program previously accessed did not release reserved

Restart the computer.

memory back to the system.

 

 

 

 

 

84 Appendix A Troubleshooting Without Diagnostics

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Contents Maintenance & Service Guide Maintenance & Service Guide Iii About This BookTable of contents Illustrated parts catalog 107 101103 105Viii All-in One Model 139Overview Product FeaturesFront Components Product FeaturesComponent Side Components Rear Components Activating and customizing the software Installing and Customizing the SoftwareActivating the Windows Operating System Run Windows Update monthly thereafter Downloading Windows 8 updatesCustomizing the monitor display Computer Setup F10 Utilities Computer Setup F10 UtilityComputer Setup F10 Utility Using Computer Setup F10 Utilities1Computer Setup F10 Utility 2Computer Setup-File Computer Setup-FileOptionDescription Computer Setup-Storage3Computer Setup-Storage Sata DefaultsMax eSATA Speed Removable Media BootStorage Options ESATA Port Sata EmulationShortcut to Temporarily Override Boot Order Boot OrderDPS Self-Test 4Computer Setup-Security Computer Setup-SecuritySystem IDs Network BootMaster Boot Record Slot SecuritySystem Security Configuration Secure BootDriveLock Security 5Computer Setup-Power Computer Setup-Power6Computer Setup-Advanced for advanced users Computer Setup-AdvancedOption Heading Power-On Options Device Options Bios Power-OnOnboard Devices Bus OptionsVGA Configuration Recovering the Configuration SettingsAMT Configuration Sata Hard Drive Cables Serial ATA Sata Drive Guidelines and FeaturesSerial ATA Hard Drive Characteristics Sata Hard DrivesSmart ATA Drives Serial ATA Sata Drive Guidelines and FeaturesHard Drive Capacities Relative Humidity Event 55% 40% 10% Routine Care, and Disassembly PreparationElectrostatic Discharge Information Generating StaticStatic Shielding Protection Levels Routine Care, and Disassembly PreparationPreventing Electrostatic Damage to Equipment Personal Grounding Methods and EquipmentRecommended Materials and Equipment Grounding the Work AreaRoutine Care General Cleaning Safety PrecautionsCleaning the Computer Case Operating GuidelinesCleaning the Monitor Cleaning the KeyboardTools and Software Requirements Service ConsiderationsCleaning the Mouse Cables and ConnectorsHard Drives Lithium Coin Cell BatteryComputer major components Illustrated parts catalogIllustrated parts catalog Computer major components Cables Webcam module BoardsDescription Spare part number Fan/blower Misc PartsHP Business Digital Headset not illustrated Hard drives Mass storage devices not illustratedSequential part number listing Description Spare part number Optical driveIllustrated parts catalog Preparing to Disassemble the Computer Removal and Replacement Procedures All-in One AIO ChassisDescription Spare part number Rear cover 669985-001 Rear CoverDescription Spare part number Stand 669988-001 StandPage Description Spare part number Foot assembly 669986-001 Foot assemblyPage Memory Cover Page Description Spare part number MemoryPage Wlan Module Page RTC Battery Page Backlight Controller Panel manufacturer Jumper setting Speakers Page Optical Drive Page Optical Drive Cables and Connector Page Hard Drive Page Hard Drive Cables and Connector Page Description Spare part number Fan 669981-001 FanPage Description Spare part number Side I/O cover 710543-001 Side I/O CoverPage Description Spare part number Webcam module 710544-001 Webcam ModulePage System Board Cover Page Description Spare part number Display cable 669996-001 Display CablePage System Board Security Bracket Description Spare part number Front bezel 710542-001 Front BezelDisplay Panel Panel manufacturer Screw hole label Display PanelCMI panels Panel manufacturer Jumper setting Safety and Comfort Before You Call for Technical Support Troubleshooting Without DiagnosticsHelpful Hints Page Computer date and time display is incorrect Cause Solution Solving General ProblemsSolving General Problems Table A-1Solving General ProblemsAdvanced Device Options There is no sound or sound volume is too low Cause SolutionCannot remove computer cover or access panel Cause Poor performance Cause SolutionUnder Windows System, click Run All apps iconCause Solution Power supply shuts down intermittently Cause Solution Solving Power ProblemsSolving Power Problems Table A-2Solving Power ProblemsSome models, is set to the appropriate voltage. Proper Solving Hard Drive Problems Solving Hard Drive ProblemsTable A-3Solving Hard Drive Problems Device Configuration Nonsystem disk/NTLDR missing message Cause SolutionComputer will not boot from hard drive Cause Solution Storage Boot OrderComputer seems to be locked up Cause Solution Table A-4Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Solving Media Card Reader Problems Adjust screen resolution Solving Display ProblemsTable A-5Solving Display Problems Blank screen no video Cause SolutionDim characters Cause Solution Solving Display ProblemsNo Connection, Check Signal Cable displays on screen Cause Image is not centered Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Out of Range displays on screen Cause Certain typed symbols do not appear correct Cause Solving Audio Problems Solving Audio ProblemsTable A-6Solving Audio Problems There is no sound or sound volume is too low Cause Sound from headphones is not clear or muffled CauseLine-in jack is not functioning properly Cause Printer will not print Cause Solution Solving Printer ProblemsSolving Printer Problems Table A-7Solving Printer ProblemsPrinter prints garbled information Cause Solution Solving Keyboard and Mouse Problems Solving Keyboard and Mouse ProblemsTable A-8Solving Keyboard Problems Enter Table A-9Solving Mouse ProblemsControl Panel , and then select Device Manager Solving Hardware Installation ProblemsSolving Hardware Installation Problems Table A-10Solving Hardware Installation ProblemsComputer will not start Cause Solution Solving Network Problems Solving Network ProblemsTable A-11Solving Network Problems Manager Network status link light never flashes Cause SolutionDiagnostics reports a failure Cause Solving Memory Problems Memory count during Post is wrong Cause Solution Solving Memory ProblemsTable A-12Solving Memory Problems Out of memory error Cause SolutionTable A-14Solving CD-ROM and DVD Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems Table A-13Solving Processor ProblemsSecurity Network Boot Solving CD-ROM and DVD ProblemsMovie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause Solving USB Flash Drive ProblemsSystem will not boot from USB flash drive Cause Solution Solving USB Flash Drive ProblemsTable A-15Solving USB Flash Drive Problems USB flash drive not found identified Cause SolutionUnable to connect to the Internet Cause Solution Solving Front Panel Component ProblemsSolving Internet Access Problems Ports are set to Enabled in Security USB SecuritySelect Start Control Panel Solving Internet Access ProblemsClick Internet Options Solving Software Problems Solving Software Problems Contacting Customer Support Why run HP PC Hardware Diagnostics Uefi HP PC Hardware DiagnosticsHow to access and run HP PC Hardware Diagnostics Downloading HP PC Hardware Diagnostics to a USB device Backing up your information Backup and recovery in WindowsUsing the Windows recovery tools Performing a system recoveryUsing Windows 8 operating system media purchased separately Using f11 recovery toolsFollow the on-screen instructions Page Post Error Messages Control panel message Description Recommended action Appendix D Post Error MessagesROM Download to Disable to Post Numeric Codes and Text MessagesPost Numeric Codes and Text Messages Test under Storage DPS Self-test Bios Appendix D Post Error Messages Activity Beeps Possible Cause Recommended Action Options SERR# Generation DisableReplace one device at a time Activity Beeps Possible Cause Recommended Action Board needs to be replaced Japanese Power Cord Requirements Power Cord Set RequirementsGeneral Requirements Country-Specific Requirements Appendix E Power Cord Set RequirementsCountry Accrediting Agency All-in One Model SpecificationsAll-in One Model Index Cleaning 27 keyboard problemsSata
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