Compaq 1255 Troubleshooting, Follow the Preliminary Steps, If the problem is intermittent, check

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Presario 1200 Series

Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275

Before You Begin

 

Specifications

 

Parts Catalog

 

 

 

 

 

 

 

 

 

 

Removal Sequence

 

Troubleshooting

 

Battery Operations

 

 

 

 

 

 

 

 

 

Index

Product Description

 

Pin Assignments

 

 

 

 

 

 

Troubleshooting

Preliminary Steps

Clearing the Power-On Password

Power-On Self Test (POST)

Compaq Diagnostics Diagnostic Error Codes

Troubleshooting Without Diagnostics

Solving Minor

Problems

Contacting Compaq Support

This section covers troubleshooting information for the Compaq Presario 1200 Series Portable Computers. The basic steps in troubleshooting include:

1.Follow the Preliminary Steps.

2.Run the Power-OnSelf-Test (POST).

3.If you are unable to run POST or if POST displays an error message, follow the recommended actions described in the diagnostic tables.

When following the recommended actions in the Sections on POST and Diagnostic Error Codes,

perform them in the order listed. Rerun POST after each recommended action until the problem is solved and no error message occurs. Once the problem is solved, do not complete the remaining recommended actions.

If the problem is intermittent, check the

NOTE: computer several times to verify that the problem is solved.

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Contents Before You Begin IndexIndex Symbols PrefaceCompaq Product DescriptionModels & Features Front Panel Components Controls and LightsLeft Side Components Battery Compartment CD Drive CD Drive Eject Button Right Side ComponentsBottom of Unit Rubber feetRear Connectors USB Keyboard/Mouse PortPower Management for Windows Power Management Settings Power Management PropertiesDisplay Properties Sleep Hibernation Mode Time Out DefaultBattery Operating Time Rebooting After a Lockup Servicing Your Computer Full Off Mode Troubleshooting If the problem is intermittent, checkFollow the Preliminary Steps Preliminary Steps Probable Cause Power-On Self Test PostRunning Post Recommended ActionClearing the Power-on Password Remove the PalmrestView System Information Inspect Compaq DiagnosticsPerform Computer Checkup Test AudioDiagnostic Error Codes Select error codes by number or typeTroubleshooting Without Diagnostics Before Replacing PartsSolving Minor Problems Solving PC Card Problems Solving Power ProblemsContacting Compaq Support Shipping PreparationIllustrated Parts Catalog Place cursor over each device to obtain its part number System UnitBoards BoardsDisplay Assembly Mass Storage Devices NumberMiscellaneous Cables Kit Place cursor over each device for a description of that itemDescription Power CordModem Cables FrontPage Save Results ComponentMiscellaneous Hardware and Plastics Kit Miscellaneous Hardware and Plastics KitMiscellaneous Parts Documentation and Software Description Spare Part NumberQuickFind Part Number Suffix Suffix Month Suffix Month Removal and Replacement Procedures Serial Number LocationElectrostatic Discharge Generating StaticService Considerations To service the computer, you need the followingSelect the desired illustration Cables and ConnectorsRemoving a Cable from a ZIF Connector Plastic PartsZIF Connectors Models 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Preparing the Computer for Disassembly Preparing the Computer for DisassemblyRemoving the Battery Pack Battery PackReplacement Procedures Return to RemovalRemoving the Palmrest Cover with Touch Pad Palmrest Cover with Touch PadWhen replacing the palmrest cover, ensure Return to Removal Removing the Heatspreader HeatspreaderTo remove the heatspreader, complete the following steps Removing the Keyboard KeyboardTo remove the keyboard, complete the following steps Removing the Processor ProcessorTo remove the processor, complete the following steps To replace the processor complete the following steps Index Removing the Hard Drive Hard DrivesRemoval Sequence Replacement Procedures Removing the CD Drive CD DriveNext Step To replace the CD drive, reverse the previous procedures Removing the Battery Charger Board Battery Charger BoardWhen replacing the battery charger board, ensure Removing the Modem ModemDisconnect the modem cable from the modem Removing the Display Panel Assembly Display Panel AssemblyIndex Index Index When removing the display panel assembly Return to Removal Removing the Upper CPU Cover Upper CPU CoverRemoving the Speaker Assembly Speaker AssemblyDiskette Drive When replacing the diskette drive, ensure thatRemoving the Diskette Drive To remove the diskette drive, complete the following stepsReplacement Procedures Removing the Fan Assembly Fan AssemblyTo replace the fan assembly, reverse the previous procedure Removing the System Board System BoardRemove three standoffs from the system board Index Remove three screws from the system board To replace the system board, reverse the previous procedures Removing the Memory Module Memory ModuleReplacement Procedures Specifications Physical and EnvironmentalSystem Interrupts System InterruptsHardware System Function System DMA System DMAHardware DMA System Function System Function Shipping Configuration System I/O AddressSystem I/O Address Address Hex Texas Instruments PCI-1131 Card System Memory CatalogSystem Memory Catalog System board extension for PnPContrast Ratio Overall DimensionsActive Area Brightness32-MB Memory Expansion System Memory Expansion Board Memory16-MB 64-MBBattery Pack Nickel Metal Hydride NiMH Lithium Ion Battery PackWeight Energy Environmental RequirementsDiskette Size Average ms Setting Time msDiskette Drive Capacity per Diskette Read/Write Number of Drives SupportedHard Drives Typical Transfer Rate 24× CD DriveRotational Speed Spin Up time Data Buffer CapacityConnector Pin Assignments Click on a linkConditioning a Battery Pack Battery Pack Operating TimeIncreasing Battery Pack Operating Time Disposing of a Used Battery Pack

1256, 1272, 1266, 1260, 1274 specifications

The Compaq series of printers, specifically the models 1273, 1267, 1275, 1262, and 1255, represents a noteworthy chapter in the realm of commercial printing technology from the 1990s. Each model was designed to cater to various user needs, ranging from high-quality document printing to efficient office use.

The Compaq 1273 is characterized by its robust performance aimed at small to medium businesses. This model is equipped with high-resolution printing capabilities which allows for sharp and vibrant output, making it ideal for presentations and marketing materials. The 1273 also supports multiple paper sizes, enhancing its versatility for different printing tasks.

Moving on to the Compaq 1267, this model bridges the gap between compact design and high efficiency. It features a user-friendly interface that simplifies the printing process, making it accessible for users with varying tech proficiency. Additionally, the 1267 incorporates a fast print speed, ensuring that tasks are completed quickly without sacrificing quality.

The Compaq 1275 is notable for integrating advanced printing technologies aimed at increasing productivity. This model offers both black-and-white and color printing options, catering to diverse printing needs. Furthermore, the 1275 supports network connectivity, allowing multiple users to share the printer effectively, fostering collaboration within office environments.

The Compaq 1262 places an emphasis on cost-effectiveness, appealing to budget-conscious consumers. It provides essential functionalities without unnecessary features, making it a solid choice for home offices. Despite its lower price point, it still upholds a commendable print quality, ensuring that users do not have to compromise.

Lastly, the Compaq 1255 offers basic printing capabilities that are particularly suited for everyday tasks. It is designed for users who require reliable performance without the bells and whistles of higher-end models. The 1255 is lightweight and compact, making it easy to fit into various spaces, ideal for smaller work areas.

In conclusion, the Compaq series 1273, 1267, 1275, 1262, and 1255 present a range of features catering to different audiences. Each model encapsulates the brand's commitment to quality, efficiency, and user-friendliness, making them attractive options for various printing needs in the business landscape of the 1990s.
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