Compaq 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, 1275 160

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Contents

Page Welcome to the Maintenance & Service Guide for the Presario through 1275 series Product Description Troubleshooting This online guide is designed to serve the needs of those whose job it is to repair Compaq products Maintenance & Service Guide product This Guide will be periodically maintained and updated online as needed Notice First Edition (June 1999) Compaq Computer Corporation Preface Maintenance and Service Guide Symbols The following words and symbols mark special messages throughout this guide WARNING: Serial Number Locating Additional Information The following documentation is available to support this product: ●Compaq Presario 1200 Series Portable Computer documentation set ●Introducing Windows 95 Guide Product Description Models and Features Controls and Lights Left Side portable computer allows full desktop functionality Troubleshooting If the problem is intermittent, check the NOTE: computer several times to verify that the problem is solved NOTE: Illustrated Parts Catalog System Unit Cables Boards Miscellaneous Hardware & Removal and Replacement Procedures Memory Module Specifications System interrupts Memory Expansion System DMA Battery Pack Dimensions (All models with 12.1" display) Height Depth Width Compaq Home Search Products Service Worldwide Connector Pin Assignments Rear Connectors Click on a link: ●Parallel Connector ●Serial Connector Pin Signal Strobe Acknowledge Data Bit Keyboard/Mouse Data Ground Clock External VGA Monitor 10Ground 11Monitor Detect 12DDC2B Data 13Horizontal Sync 14Vertical Sync Page Battery Pack Operating Time ●Increasing battery pack operating time ●Conditioning a battery pack ●Disposing of a used battery pack Increasing Battery Pack Operating Time Conditioning a Battery Pack CAUTION: To condition a battery pack, complete the following steps: 3.Your battery is re-conditioned 4.Plug in the AC adapter and begin using the computer Page Page Models & Features Page Page Controls and Lights Controls and Lights Bottom of Unit 9. Instant Internet Access 10. Instant Search 21. Number Lock Light 22. Cap Lock Light 23. Scroll Left Side Components Page Right Side Components Models and Features Controls and Lights Left Side Components Right Side Components Page Bottom of Unit Rear Connectors Power Management for Windows 1.AC Adapter 2.Parallel Printer Port 3.Serial Port 9. Security Slot Power Management for Windows Preliminary Steps When these preliminary steps are completed, you are ready to run POST Return to Troubleshootingindex page Return to preliminary stepspage Return to Troubleshootingindex page 1.800.AT.COMPAQ Running POST RAM failure Replace the memory modules Memory test data error XX000YZZ RAM failure XX000YZZ 201-MemoryError 605-DisketteDrive Error Mismatch in drive type 1780-PrimaryHard Drive 0 Failure Disk 0 failed to respond Replace the hard drive Perform Computer Checkup (TEST) View System Information (INSPECT) 4.Press Enter to continue. The Diagnostics menu appears 5.Select View System Information (INSPECT) from the Diagnostics menu 6.Select the item you want to view from the following list: System Memory Diagnostic Error Codes 501 through Hard Drive Test 2402 through Video Test 2458 through Keyboard Test Error Codes Failed ID Test Check the keyboard connection. If disconnected, turn off the computer and connect the keyboard Serial Test Error Codes Serial port test failed Check port configuration Hard Drive Test Error Codes Hard drive format test failed Video Test Error Codes 501-xx Video controller test failed 502-xx Video memory test failed 503-xx Video attribute test failed 504-xx Video character set test failed 2402- Video memory test failed 2403- Video attribute test failed 2404- Video character set test failed 2405- Video 80 × 25 mode 9 × 14 character xx cell test failed 2406- Video 80 × 25 mode 8 × 8 character xx cell test failed Audio Test Error Codes Audio System Internal Error TouchPad/Pointing Device Interface Test Error Codes Mouse test failed Replace the TouchPad and retest 6600- ID test failed 6605- Read test failed 6608- Controller test failed 6623- Random read test failed 3.Verify that drivers are loaded and properly installed Return to the Troubleshootingindex page Page Solving Minor Problems The following problems and possible solutions are addressed: ●Audio Problems ●Battery Pack and Battery Gauge Problems ●CD Drive Problems Solving Battery Pack and Battery Gauge Problems Solving Battery Pack and Battery Gauge Problems Computer won't turn on when Battery pack is discharged Connect the computer to an Solving CD Drive Problems Solving CD Drive Problems CD drive cannot read a compact disc Compact disc is upside down or is Open the CD loading tray, lay the Solving Display Problems 1.Turn off the monitor 2.Turn off the computer 3.Disconnect the monitor signal cable from the computer 4.Turn on the monitor and allow it to warm up for one minute Screen is dim Screen is blank Control for brightness or contrast (if applicable) is not set properly Computer screen is in direct light Screen save was initiated by Power Management due to lack of user activity Solving Hard Drive Problems Solving Hard Drive Problems Reading hard drive takes an System entered Hibernation due to Give the system time to restore the Solving Hardware Installation Problems Solving Hardware Installation Problems Solutions(s) A new device is not recognized as part Cable(s) of new external device are Solving Minor Problems (continued) or return to the Troubleshootingindex page Contacting Compaq Support 4.Close the display and all exterior doors of the computer Return to Compaq Diagnosticspage or Troubleshooting Indexpage Models: 1245, 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and | Home Page| Notice| Preface| Product Description| Troubleshooting Illustrated Parts Catalog| Removal & Replacement Procedures| Specifications System Unit System Unit Boards Assembly Mass Storage Devices Battery Packs: CPU Upper Cover with Power Switch United States June 28 COMPAQ STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | Boards System Unit Boards Display Assembly System Board and Memory Module: 1.800.AT.COMPAQ Display Panel Assembly: Page Mass Storage Devices System Unit Boards Mass Storage Devices Miscellaneous Cable Kit 24x CD Drive Miscellaneous Cables Kit Documentation and Software Place cursor over each device for a description of that item Spare Part Number: North America Asia Pacific w/adapter Page Miscellaneous Hardware and Plastics Kit Page Miscellaneous Parts Miscellaneous Parts (not shown): Page Documentation and Software Page Electrostatic Discharge Generating Static Typical Electrostatic Voltages Relative Humidity Event 10% 40% Service Considerations Tool and Software Requirements To service the computer, you need the following: ●Compaq screwdriver kit (Spare Part No. 161946-001) ●Torx T-9screwdriver Cables and Connectors ●Handle cables by the connector whenever possible Handle flex cables with extreme care; they can tear easily Select the desired illustration ●Removing a Cable from a ZIF Connector Return to Removal & Replacement Procedures Revised: 25 February Preparing the Computer for Disassembly Electrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly Memory Module Return to Removal & Replacement Procedures Removing the Battery Pack Page Removing the Palmrest Cover with Touch Pad Electrostatic Discharge Considerations Cables and Speaker 2. Close the computer and turn the computer upside Diskette Drive Removing the Heatspreader the heatspeader reverse the previous procedures Removing the Keyboard 5. Disconnect the flex cable from the ZIF connector on the system Removing the Processor small-blade screwdriver Charger into the Board Removing the Hard Drive two screws hard drive mounting bracket and lift up the Removing the CD Drive located at the back of the CD drive Removing the Battery Charger Board To remove the battery charger board, complete the following steps: Prepare the computer for disassembly 3.Remove the hard drive battery charger board, reverse the previous procedures When Removing the Modem modem off COMPAQ STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | SEARCH 1.800.AT.COMPAQ Removing the Upper CPU Cover Battery Charger Board Display Panel Assembly 6.Remove the display panel assembly To replace the Upper CPU cover, reverse the previous procedures Removing the Speaker Assembly drive 7.Remove the Upper CPU cover 8.Remove the battery charger board To replace the speaker assembly, reverse the previous procedures Removing the Diskette Drive Upper CPU Cover Dip Switch Settings 8.Remove battery charger board 9.Remove the diskette drive When replacing the diskette drive, ensure that the Removing the Fan Assembly assembly 6. Remove the hard 7. Remove the Upper Removing the System Board Memory Module 10.Remove the battery charger board 11.Remove the diskette drive 12.Remove the CD drive 13.Remove the fan The indicates the position of the switch Page Removing the Memory Module door, and slide the memory module door to the System Interrupts Return to the index list of Specifications System DMA System I/O Address 01F0H - 01F7H 01F0H - 01F7H 0220H - 022FH Page System Memory Catalog Page Display 13.0" (Diagonal) HPA Display 11.6 295.0 mm 8.58 218.0 mm Memory Expansion Battery Pack Nickel Metal Hydride (NiMH) Lithium Ion (Li ion) Dimensions Return to the index list of Specifications Diskette Drive Page Hard Drives 6.4-GB Capacity Per Drive 6.49 GB Seek Times (Typical, Including settling in ms) CD Drive Page 28 June Select: United States-English Online Shopping Support & Drivers » Company information Back Close register select Continue

Compaq manual 160

Models: 1256 1260 1262 1266 1267 1272 1273 1274 1275