Compaq 1245 specifications Solving PC Card Problems, Solving Power Problems

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Maintenance & Service Guide

Presario 1200 Series

Model: 1245

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Solving PC Card Problems

Some common causes and solutions for PC Card problems are listed in the following table.

Problem

When turned on, the computer does not beep when a PC Card is inserted.

PC Card modem, fax, or network card does not work.

PC Card modem or fax card does not work.

Modem network PC Card does not work.

Solving PC Card Problems

Probable Cause

Solution(s)

Card is not inserted properly. Ensure that the card is inserted in the correct

PC Card beeps are disabled. orientation.

 

Double-click the PC Card icon

 

in the Control Panel; click the

 

Global Settings tab; then,

 

enable PC Card sound effects.

Speaker is turned off or

Press volume buttons to

volume is turned down.

turn the speaker on; then,

 

increase the volume.

PC Card drivers are not

Double click the Add New

installed.

Hardware icon in the Control

 

Panel for installation

 

instructions.

 

If PC Card or drivers are not

 

compatible with Windows,

 

install drivers and use the PC

 

Card in MS-DOS mode.

Card or card driver is not

Contact your Compaq-

supported.

authorized service provider

 

for a list of PC Cards tested

 

successfully in Compaq PC

 

Card platforms.

Card is not fully inserted into

Ensure that the card is

the slot or is not inserted

inserted in the correct

properly.

orientation.

Telephone cord is not plugged

Check and secure telephone

in all the way.

connection.

Necessary drivers are not

Install drivers.

installed (turned on).

 

You are trying to access the

See Specifications to verify

card using the wrong COM

COM port.

port.

 

The card conflicts with a

See Specifications to verify

serial device.

address.

The card is not supported.

Use supported cards only.

Network driver is not

Install driver.

installed or is not set up

 

properly.

 

Memory or storage card does not work.

Telephone cord is not properly connected.

SRAM and flash

memory cards require that the memory card driver be loaded (turned on).

Flash memory cards require the that the Microsoft FlashFile System be loaded.

Hard drives on flash

mass storage cards require that the

PC Card ATA driver be loaded.

You are trying to access the hard drive card using the wrong drive letter.

The card is not supported.

Verify telephone connection. Install driver.

Double-click My Computer to verify the drive letter assigned to the card.

Contact your Compaq authorized service provider for a list of PC Cards tested successfully in Compaq PC Card platforms.

Solving Power Problems

Problem

Computer won't turn on and battery pack is not inserted.

Computer turned off while it was left unattended and the power icon is off.

Solving Power Problems

Probable Cause

Computer is not connected to a power source.

Power cords to the external power source are unplugged.

Power adapter is defective.

System board is defective.

System initiated Hibernation due to a critical low-battery condition.

System initiated Hibernation after a preset timeout.

Solution(s)

Insert battery or connect an external power source.

Ensure that power cords connecting the computer and the external power source are plugged in properly.

Replace AC Adapter and restart.

Replace the system board.

Replace the battery pack with a fully charged battery pack or connect the computer to an external power source. Then turn on the computer.

Turn on the computer.

Solving Printer Problems

If you experience problems printing, run a printer self-test. Refer to the documentation provided with your printer for instructions. If the self-test fails, it is a printer-specific problem. Also refer to the printing section of your application documentation.

 

Solving Printer Problems

Problem

Probable Cause

Printer will not turn on.

The signal cable may not be

 

connected properly, or the

 

printer is unplugged.

Solution(s)

Ensure that the signal cable is properly connected and that the power cord is connected to the electrical outlet.

Printer will not print.

Printer is not turned on or is off

 

line.

The device drivers for your application are not installed.

Printer that is set up for a network is not connected to the network.

Printer cable is too long, unshielded, or defective.

Paper tray is empty.

Printer prints garbled

Correct printer drivers are not

information.

installed.

Cable is not connected properly.

Cable is defective.

Turn the printer on and set it to on line.

Refer to the printer documentation to install the correct printer driver.

Connect the printer to the network.

Replace the cable.

Fill the paper tray with paper and set the printer to online.

Refer to the printer documentation to install the correct printer driver.

Ensure that the printer signal cable is properly connected to the computer.

Replace the printer cable and retest.

Solving Touch Pad/Pointing Device Problems

Some common causes and solutions for Touch Pad/pointing device problems are listed in the following table.

Solving Touch Pad/Pointing Device Problems

Problem

Touch Pad or mouse does not work.

Cause

Incorrect or no device driver is installed.

Solution(s)

Install the device driver and add to the AUTOEXEC.BAT file or CONFIG.SYS file.

External mouse does not work.

Touch Pad or mouse does not work even though the device is enabled in Windows.

Cursor skips or moves abnormally when using the Touch Pad.

The device driver is not installed in Windows.

Mouse is not securely connected or is connected to an incorrect external connector.

Mouse is not enabled.

Cable not properly seated in Touch Pad board.

Defective Touch Pad board.

Defective system board.

Device driver is not correctly installed in Windows.

The Touch Pad needs to be cleaned.

Install the Touch Pad/mouse driver in Windows.

Ensure that the mouse is securely connected to the appropriate external connector.

Enter MOUSE at the system prompt to activate the mouse device driver.

Add a line in the AUTOEXEC.BAT file to automatically activate the mouse device driver each time computer is turned on or restarted.

Reseat cable.

Replace Touch Pad board.

Replace system board.

Install the appropriate device driver in Windows.

Clean the Touch Pad with a cloth dampened with alcohol or an ammonia-based glass cleaner. Wipe up liquid with a dry cloth.

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Contents Maintenance & Service Guide Maintenance & Service Guide Preface SymbolsProduct Description CompaqHard Drive CD Drive 24× MAX Modem Models & FeaturesBattery ES NiMH System Memory 32 MB Display 12 HPA ProcessorControls and Lights Front Panel ComponentsLeft Side Components Right Side Components Bottom of Unit Rear Connectors Power Management for Windows Display Properties Power Management SettingsPower Management Properties Sleep Mode To Initiate To End Indicators Hibernation ModeRebooting After a Lockup Servicing Your Computer Full Off Mode Illustrated Parts Catalog System Unit Place cursor over each device to obtain its part numberPlace cursor over each device to obtain its part number BoardsDisplay Assembly Place cursor over each device to obtain its part number Mass Storage DevicesMiscellaneous Cables Kit Cables Power CordMiscellaneous Hardware and Plastics Kit Miscellaneous Hardware and Plastics KitMiscellaneous Parts Spare Part Number Documentation and SoftwareDescription Serial Number Location Removal and Replacement ProceduresGenerating Static Electrostatic DischargeService Considerations Plastic Parts Cables and ConnectorsSelect the desired illustration ZIF Connectors Ribbon cable position for the 3.2-GB hard drive Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Preparing the Computer for Disassembly To remove the battery pack, complete the following steps Removing the Battery PackReplacement Procedures Removing the Palmrest Cover with Touch Pad Prepare the computer for disassemblyWhen replacing the palmrest cover, ensure Return to Removal Removing the Heatspreader Removing the Keyboard Removing the Processor To replace the processor complete the following steps Maintenance & Service Guide Removing the Hard Drive Presario 1200 Series Models Replacement Procedures Removing the CD Drive Maintenance & Service Guide To replace the CD drive, reverse the previous procedures Removing the Battery Charger Board Removing the Modem To replace the modem, reverse the previous procedures Removing the Display Panel Assembly Maintenance & Service Guide Maintenance & Service Guide Maintenance & Service Guide When removing the display panel assembly Return to Removal Removing the Upper CPU Cover Removing the Speaker Assembly Removing the Diskette Drive Fan Assembly System Board Dip Switch Settings Memory ModuleReplacement Procedures System Board Dip Switch Settings Memory Module Removing the Fan AssemblyTo replace the fan assembly, reverse the previous procedure Removing the System Board Remove three standoffs from the system board Maintenance & Service Guide Remove three screws from the system board To replace the system board, reverse the previous procedures Memory Module Removing the Memory ModuleReplacement Procedures Physical and Environmental SpecificationsHardware System Function System InterruptsSystem Interrupts Hardware DMA System Function System DMASystem DMA System I/O Address Address Hex System Function Shipping ConfigurationSystem I/O Address System Memory Catalog System Memory CatalogDisplay Memory Expansion Environmental Requirements Battery PackEnergy Diskette Drive Seek Times Logical ConfigurationHard Drives Hard Drives Capacity Per Drive FormattedTypical Transfer Rate 24× CD Drive DimensionsCD Drive Rotational SpeedConnector Pin Assignments Disposing of a Used Battery Pack Battery Pack Operating TimeIncreasing Battery Pack Operating Time Conditioning a Battery PackFollow the Preliminary Steps TroubleshootingRun Computer Checkup Preliminary StepsRecommended Action Power-On Self Test PostRunning Post Probable CauseView System Information Inspect Compaq DiagnosticsPerform Computer Checkup Test Shipping Preparation Contacting Compaq SupportRemove the Palmrest Cover with Touch Pad Clearing the Power-on PasswordSelect error codes by number or type Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Minor Problems Solving Power Problems Solving PC Card Problems