HP dx2700 manual Solving Display Problems, Select Enable VGA Mode

Page 87

Troubleshooting Without Diagnostics

Solving Display Problems

Solving Display Problems

Problem

Cause

Solution

 

 

 

Blank screen (no video).

The cable connections

Check the cable connections from

 

are not correct.

the monitor to the computer and to

 

 

the electrical outlet.

 

 

 

 

Screen blanking utility

Press any key or click the mouse

 

installed or energy

button and, if set, type your

 

saver features enabled.

password.

 

 

 

 

System ROM is bad;

Reflash the ROM using a ROMPaq

 

system is running in

diskette.

 

FailSafe Boot Block

 

 

mode (indicated by

 

 

eight beeps).

 

 

 

 

 

Fixed-sync monitor will

Ensure that the monitor can accept

 

not sync at the

the same horizontal scan rate as the

 

resolution chosen.

resolution chosen.

 

 

 

 

Computer is in

Press the power button to resume

 

standby mode.

from standby mode.

ÄCAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose your data.

 

Monitor cable plugged

If the computer system has both

 

into the wrong

an integrated graphics connector

 

connector.

and an AGP card connector, plug

 

 

the monitor cable into the AGP card

 

 

connector.

 

 

 

 

 

Monitor settings in the

1.

Restart the computer and press

 

computer are not

 

F8 during startup when you see

 

compatible with the

 

“Press F8” in the bottom right

 

monitor.

 

corner of the screen.

 

 

2.

Using the keyboard arrow keys,

 

 

 

select Enable VGA Mode

 

 

 

and press Enter.

 

 

3.

In Windows Control Panel,

 

 

 

double-click the Display icon

 

 

 

and select the Settings tab.

 

 

4.

Use the sliding control to reset

 

 

 

the resolution.

 

 

 

 

 

Service Reference Guide

431672-001

D–7

Image 87 Contents
Service reference guide September Service Reference GuideService Reference Guide Contents Contents Front I/O Panel Housing Assembly MT chassis Microsoft Windows XP/Redflag Linux Installing the Operating SystemConverting to Ntfs Associated with WinXP OS HP SoftwareWindows XP Home and XP Professional Power-On Self-Test Post Setup Utilities and Diagnostics FeaturesUsing Computer Setup F10 Utilities Computer Setup UtilitiesSetup Utilities and Diagnostics Features Computer Setup Menu Computer SetupHeading Option Description Heading OptionDescription Features Sata Port For each, allows you toCD-ROM Allows you to set Dvmt Mode to Parallel port Allows you to select a setting for the onboard S1 POS PnP/PCI IRQ Resources Configurations Recovering the Configuration Settings Backing up the CmosRestoring the Cmos ROM Flash Initial Configuration and DeploymentFailSafe Boot Block ROM Desktop ManagementPower Management Dual-State Power ButtonSecurity Password SecurityEstablishing a Supervisor Password Using Computer Setup Establishing a User Password Using Computer SetupEntering a User Password Delimiter character as shown current password Current password/new password/new passwordNational Keyboard Delimiter Characters Surge-Tolerant Power SupplySerial ATA Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata 1.5 and 3.0 Hard Drives Pin Number Usage Device Plug Host Plug Sata Power CableSata Hard Drive Cables Sata Data CableSata Smart Drives Drive CapacitiesWindows 2000, XP, and Linux Native Mode Legacy ModeMicrotower MT/Small Form Factor SFF Chassis DesignationsDx2708 MT Dx2700SFF Relative Humidity Event 55% 40% 10% Electrostatic Discharge InformationGenerating Static Preventing Electrostatic Damage to EquipmentStatic Shielding Protection Levels Method Voltage Personal Grounding Methods and EquipmentGrounding the Work Area Recommended Materials and EquipmentGeneral Cleaning Safety Precautions Cleaning the Computer CaseRoutine Care Cleaning the Keyboard Cleaning the MonitorCleaning the Mouse Service Considerations Tools and Software RequirementsScrews Cables and Connectors Lithium Coin Cell BatteryHard Drives Preparation for Disassembly Access Panel MT Chassis Front Bezel MT Chassis Removing the Computer Access Panel Removing the Front Bezel Installing the Tower Stand Removing a 5.25 Drive Bezel Blank/MT Chassis Front Drive BezelsMemory Installing Memory Modules/MT chassisRotating the Easy Access Drive Bay Installing DDR2-SDRAM DIMMs SFF chassisInstalling a Dimm Expansion Cards Expansion Slot Cover Lock2 PCI/PCIe Expansion Card 431672-001 Removing the Expansion Slot Cover Installing an Expansion CardInstalling an Expansion Card Removing an Expansion Card Cable Management Locating Drive Positions DrivesRemoving a Drive Drive PositionsItem Description Desktop Drive Positions Locating Drive Positions SFF chassisRemoving an Optical Drive or Diskette Drive SFF chassis Installing an Optional Optical Drive SFF chassis Installing Guide Screws in the Optical Drive Connecting the Flat Ribbon Cable and Audio Cable Removing and Replacing the Hard Drive Upgrading the Hard Drive SFF chassisRemove the screw Slide the drive to the right of the bay Front I/O Panel Housing Assembly MT chassis System Fan Heatsink MT chassis Processor 431672-001 System Board Battery Battery Holder Power Supply Mouse Connector Pin AssignmentsConnector and Icon Pin Signal Enhanced KeyboardMicrophone Serial Interface, Powered and Non-PoweredConnector and Icon 1/8 miniphone Pin Signal Parallel InterfaceMonitor HeadphoneLine-In Audio Line-Out AudioPin Power Pin Power for CPUConnector Pin Signal General Requirements Power Cord Set RequirementsPost Error Messages Post Error MessagesScreen Message Probable Cause Recommended Action Post Error Messages Default Settings Save and Exit Ensure the system board Bios supports the processorPost Error Messages Preliminary Checklist Troubleshooting Without DiagnosticsSolving General Problems Problem Cause SolutionStandby mode Num Lock key Problem Cause Solution Solving Hardware Installation Problems Interpreting Diagnostic Lights and Audible Codes Solving Display Problems Solving Display ProblemsSelect Enable VGA Mode Set properly Click Start All Programs Accessories System ToolsSolving Audio Problems Solving Audio ProblemsSolving Audio Problems DIR C\ printer port Solving Printer ProblemsSolving Printer Problems Where printer port isSolving Keyboard Problems Solving Keyboard and Mouse ProblemsSolving Network Problems Solving Network ProblemsRestore Plus! CD Solving Memory Problems Solving Memory ProblemsSolving Processor Problems Solving Processor ProblemsSolving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving Internet Access Problems Solving Drive Key ProblemsSolving Internet Access Problems Solving DiskOnKey ProblemsDelete Cookies button Select Start ControlPanel OptionsProperties Click the Device ManagerDiagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible CodesActivity Beeps Possible Cause Recommended Action Diagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible Codes Restoring the Software Contacting Customer Support Memory
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