HP dx2480 manual Cable connections are

Page 75

Troubleshooting

Problem

Cause

Solution

Poor performance is

Hard drive is full.

Transfer data from the hard

experienced (continued).

 

drive to create more space

 

 

on the hard drive.

 

 

 

 

Low on memory.

Add more memory.

 

 

 

 

Hard drive is fragmented.

Defragment hard drive.

 

 

 

 

Program previously

Restart the computer.

 

accessed did not release

 

 

reserved memory back to

 

 

the system.

 

 

 

 

 

Virus resident on the hard

Run the virus protection

 

drive.

program.

 

 

 

 

Too many applications

1. Close unnecessary

 

running.

applications to free up

 

 

memory. 2. Add more

 

 

memory.

 

 

 

 

Some software applications,

1. Lower the display

 

especially games, are

resolution for the current

 

stressful on the graphics

application or consult the

 

subsystem.

documentation that came

 

 

with the application for

 

 

suggestions on how to

 

 

improve performance by

 

 

adjusting parameters in

 

 

the application.

 

 

2. Add more memory.

 

 

3. Upgrade the graphics

 

 

solution.

 

 

 

 

Cause unknown.

Restart the computer.

 

 

 

Blank screen (no video).

Monitor is not turned on and the monitor light is not on.

Turn on the monitor and check that the monitor light is on.

The cable connections are

Check the cable connection from

not correct.

the monitor to the computer and

 

to the electrical outlet.

 

 

Troubleshooting Guide

www.hp.com/in

8-14

Image 75
Contents Hardware Reference Manual Hardware Reference Guide Hardware Reference Guide Contents Security Lock Provisions Standard Configuration Features Product FeaturesFront Panel Components Front Panel ComponentsRear Panel Components Rear Panel ComponentsKeyboard Components KeyboardSpecial Mouse Functions Windows Logo KeySerial Number Location Serviceability Features Hardware UpgradesRemoving the Computer Access Panel Removing the Front Bezel Installing Additional Memory DIMMsDDR2-SDRAM DIMMs Populating Dimm Sockets Installing DIMMs Installing a Dimm Removing a 5.25 Drive Bezel Blank Replacing or Upgrading a Drive Drive Positions Locating Drive PositionsRemoving a Drive Hard disk is inserted or slide out from the back Replacing a Drive Sliding the Drives into the Drive Cage Sliding the Hard Drive into the Drive Cage Install Second Hard Disk Hardware Upgrades Hardware Upgrades Removing or Installing an Expansion Card Releasing the Slot Cover Lock Removing an Expansion Slot Cover Removing an Expansion Card Replacing or Adding an Expansion Card Securing the Expansion Cards and Slot Covers Reassembling the Computer Turn on the computer by pressing the power button Battery Replacement Hardware Reference Guide Power Supply Notice Power Supply Label Installing a Security Lock Chassis Intrusion SwitchMechanical Lock Grounding Methods Preventing Electrostatic DamageHardware Reference Guide Computer Operating Guidelines and Routine Care Operation Optical Drive PrecautionsCleaning SafetyShipping Preparation Computer Setup F10 Utility Guide Computer Setup F10 Utility Guide Contents Contents Computer Setup F10 Utilities Computer Setup F10 UtilityUsing Computer Setup F10 Utilities Computer Setup F10 Utility Heading Option Description Computer SetupCHS 1MB 3BC/IRQ7 Computer Setup Heading Option Description Troubleshooting Guide Troubleshooting Guide HP Insight Diagnostics Computer Diagnostic FeaturesAccessing HP Insight Diagnostics Survey Tab Unattended Test TabStatus Tab Log Tab Saving and Printing Information in HP Insight DiagnosticsDownloading the Latest Version of HP Insight Diagnostics Safety and Comfort Before You Call for Technical Support TroubleshootingTroubleshooting Helpful Hints Run the Restore Plus! DVDTroubleshooting Problem Cause Solution Solving General ProblemsTo permit required airflow Cable connections are Problem Cause Solution Solving Hardware Installation Problems Problem Cause Interpreting Diagnostic Lights and Audible CodesDiagnostic Front Panel LEDs and Audible Codes Diagnostic Front Panel LEDs and Audible Codes Contacting Customer Support Restoring the Software