Compaq 1270 Maintenance & Service Manual
Compaq 1270 Maintenance & Service Manual

Compaq 1270 Maintenance & Service Manual

Presario series
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Compaq 1270 Maintenance & Service Manual

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Summary of Contents for Compaq 1270

  • Page 1 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 2: Specifications

    Guide (MSG) to your hard drive. Welcome to the Maintenance & Service Guide (MSG). This online guide is designed to serve the needs of those whose job it is to repair Compaq products. Many of the components of the hardcopy MSG are contained in this online guide.
  • Page 3 This MSG will be periodically maintained and updated online as needed. Editor. For content comments or questions, contact the To report a technical problem, contact your Regional Support Center or IM Help Center. 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...RESARIO%201270,%201670,%20and%201675/index.htm (2 of 2)6/27/2004 2:45:51 AM...
  • Page 4 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 5 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 First Edition (March 1999) Compaq Computer Corporation 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/notice.html (2 of 2)6/27/2004 2:45:57 AM...
  • Page 6: Troubleshooting

    This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario Series Portable Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario Series Portable Computers without notice.
  • Page 7: Serial Number

    Improper repairs can create a safety hazard. Any indications of component replacement or printed circuit board modifications may void any warranty Serial Number When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The serial number is located on the bottom of the computer. Locating Additional Information...
  • Page 8: Product Description

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 9 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 AMD-K6 - based portable computer allows full desktop functionality. 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ARIO%201270,%201670,%20and%201675/product.html (2 of 2)6/27/2004 2:45:58 AM...
  • Page 10 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 11 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20check...SARIO%201270,%201670,%20and%201675/trouble.html (2 of 2)6/27/2004 2:45:59 AM...
  • Page 12: Illustrated Parts Catalog

    Specifications Pin Assignments Battery Pack Operations Illustrated Parts Catalog This section provides an breakdown and identifies the spare parts System Unit ordering number associated with each item(s) for the Compaq Boards Presario Series Portable Computers. Display Assembly Mass Storage Devices...
  • Page 13 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20check...ESARIO%201270,%201670,%20and%201675/illust.html (2 of 2)6/27/2004 2:45:59 AM...
  • Page 14: Removal And Replacement Procedures

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 15: Display Panel

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Hard Drive DVD or CD Drive Battery Charger Board Modem Display Panel Assembly Upper CPU Cover Speaker Assembly Diskette Drive Fan Assembly System Board Dip Switch...
  • Page 16: Specifications

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 17: System Interrupts

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Dimensions 1.97 in 5.0 cm Height 12.32 in 31.3 cm Depth 10.12 in 25.7 cm Width Weight 7.35 lbs 3.34 kg Model 1270 7.35 lbs 3.34 kg...
  • Page 18: System Dma

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 IRQ3 Compaq Prosignia 56K-DF IRQ4 Communications Port (COM1) IRQ5 ES1869 Plug and Play Audio Drive IRQ6 Standard Floppy Disk Controller IRQ7 Printer Port (LPT1)
  • Page 19: System Memory Catalog

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 x0022 - x0024 Motherboard resources x0040 - x0043 System timer x0060 - x0060 Standard 101/102-Key or Microsoft Natural Keyboard x0061 - x0061 System speaker...
  • Page 20 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 x00100000 - x01FFFFFF System board extension for PnP BIOS x03000000 - x03000FFF Texas Instruments PCI-1131 CardBus Controller x03001000 - x03001FFF Texas Instruments PCI-1131 CardBus Controller...
  • Page 21: Memory Expansion

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 (Information not available) 13.3" (Diagonal) TFT Display with LVDS U.S. Metric Dimensions Height Width Diagonal Size Mounting Number of Colors Contrast Ratio Brightness Pixel Resolution...
  • Page 22: Diskette Drive

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 32-MB 128-MB 160-MB Memory Expansion for 380-MHz Processor System Memory Expansion Board Memory Total Memory 64-MB 32-MB 96-MB 64-MB 64-MB 128-MB 64-MB 128-MB 192-MB...
  • Page 23 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Seek Times 2.5 ms 2.5 ms (Typical, Including settling in ms) 13 ms 13 ms (read) Track to Track 23 ms 23 ms Average Maximum...
  • Page 24: Battery Pack

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Track Pitch 0.74um (DVD) Laser .05" / 1.2cm Beam Divergence Audio Output Level 1.0 volts RMS Line out 0 - 0.6 volts RMS Headphone...
  • Page 25 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Fax Modulation V. 17 V. 21 (Group III Compatible) V.29 V.27Ter Command Set Hayes AT Class 1 Fax Cable 6 Ft. RJ-11 telephone cable Top of Page 1.800.AT.COMPAQ...
  • Page 26: Connector Pin Assignments

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 27: Serial Connector

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 Data Bit 7 18-25 Signal Ground * = Active low Serial Connector Connector Signal Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready...
  • Page 28: Universal Serial Bus

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 External VGA Monitor Connector Signal Red Analog Green Analog Blue Analog Not connected Ground Ground Analog Ground Analog Ground Analog Not connected Ground Monitor Detect DDC2B Data Horizontal Sync...
  • Page 29 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 Data - Universal Serial Bus Connector Data + Ground Modem Connector Signal Unused Unused Modem Connector Ring Unused Unused 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ARIO%201270,%201670,%20and%201675/connec1.html (4 of 4)6/27/2004 2:46:04 AM...
  • Page 30 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675 Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal &...
  • Page 31: Maximizing The Energy Stored

    4. Plug in the AC adapter and begin using the computer. The table below shows the approximate battery pack charge times. Approximate Battery Charge Time Computer On Line Off Line NiMH Battery Pack 4.0 hours premature termination 2:00 hrs file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20check...SARIO%201270,%201670,%20and%201675/battery.html (2 of 3)6/27/2004 2:46:05 AM...
  • Page 32 2:50 hrs Disposal of a Used Battery Pack In the interest of safeguarding our environment. Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium ion (Li ion) battery packs be recycled. Battery packs should be handled in accordance with country, state, province, or local regulations.
  • Page 33: Models And Features

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 34 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/models.html (2 of 2)6/27/2004 2:46:05 AM...
  • Page 35: Controls And Lights

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 36 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/contrs.html (2 of 2)6/27/2004 2:46:06 AM...
  • Page 37: Front Bezel Lights

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models: 1270, 1670, and 1675...
  • Page 38 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ARIO%201270,%201670,%20and%201675/newpage3.htm (2 of 2)6/27/2004 2:46:07 AM...
  • Page 39 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models: 1270, 1670, and 1675 Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures...
  • Page 40 Copy of New Page 3 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...RIO%201270,%201670,%20and%201675/newpage31.htm (2 of 2)6/27/2004 2:46:07 AM...
  • Page 41: Left-Side Components

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 42 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20check...SARIO%201270,%201670,%20and%201675/leftsid.html (2 of 2)6/27/2004 2:46:08 AM...
  • Page 43: Right-Side Components

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 44 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ESARIO%201270,%201670,%20and%201675/right.html (2 of 2)6/27/2004 2:46:09 AM...
  • Page 45 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 46 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/bottom.html (2 of 2)6/27/2004 2:46:09 AM...
  • Page 47: Rear Connectors

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 48 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/connec.html (2 of 2)6/27/2004 2:46:10 AM...
  • Page 49: Power Management Settings

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 50: Display Properties

    You can select Sleep mode instead of turning off the computer when you have finished using it. This allows the computer to wake up faster than turning it completely off and saves power over the active (On) mode. Compaq Presario Series Notebook computers have two levels of sleep, Hibernation and Sleep.
  • Page 51: Hibernation Mode

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Hibernation Mode Hibernation helps conserve battery life and protects your data. Hibernation can be a routine power saving event, or can be the result of a low battery condition. As it enters Hibernation your computer will display a progress screen, as it automatically saves the machine state before it shuts down and turns itself off.
  • Page 52: Rebooting After A Lockup

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Rebooting After a Lockup Occasionally you may encounter a frozen keyboard or a locked screen. To reboot your computer (as if from a cold start) press and hold down the Power Button for at least four seconds, which will cause a manual shutdown.
  • Page 53: Preliminary Steps

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 54 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 When the preliminary steps are completed, you are ready to run POST. 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/prelim.html (2 of 2)6/27/2004 2:46:16 AM...
  • Page 55: Clearing The Power-On Password

    United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675 Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal &...
  • Page 56: Remove The Keyboard

    8. Reassemble the computer. 9. Turn on the computer to verify that the power-on password has been cleared. If it has not been cleared, repeat Steps 1 through 9. 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ARIO%201270,%201670,%20and%201675/ponpass.html (2 of 2)6/27/2004 2:46:17 AM...
  • Page 57: Power-On Self Test (Post)

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 58 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 XX000YZZ 201-Memory Error Probable Cause Recommended Action 301-Keyboard Error Probable Cause Recommended Action Keyboard failure 1. Ensure the keys are not depressed during POST.
  • Page 59: Compaq Diagnostics

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 60: View System Information (Inspect)

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 interrupt the program.) 2. Turn on the external devices that you want to test. Connect the printer if you want to print a log of error messages.
  • Page 61 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 The View System Information (INSPECT) utility provides information about the computer and installed or connected devices. You can display, print, or save the information.
  • Page 62: Diagnostic Error Codes

    Battery Pack Operations Diagnostic Error Codes Diagnostic error codes occur if the system recognizes a problem while running the Compaq Diagnostic program. These error codes help identify possibly defective subassemblies. The following tables list error codes, a description of the error condition, and the action required to resolve the error condition.
  • Page 63 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 2458 through 2480 3206 Audio Test 8601 through 8602 Touch Pad Pointing Device Test 3301 through 6623 CD Test Processor Test Error Codes Error Code Description Recommended Action...
  • Page 64 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 300-xx Failed ID Test 1. Check the keyboard connection. If disconnected, turn off the computer and 301-xx Failed Selftest/Interface Test connect the keyboard. 302-xx Failed Individual Key Test 2.
  • Page 65 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 2. Verify that all secondary drives have Hard drive write/read/compare test 1703-xx secondary drive capability. failed 3. Replace the hard drive and retest. 1704-xx Hard drive random seek test failed 4.
  • Page 66 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 512-xx Video gray scale test failed 514-xx Video white screen test failed 516-xx Video noise pattern test failed 2402-xx Video memory test failed The following steps apply to error codes...
  • Page 67 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 2432-xx 320 × 200 graphics (256 color mode) test failure 2448-xx Advanced VGA Controller test failed 2451-xx 132-column Advanced VGA test failed 2456-xx Advanced VGA 256 Color test failed...
  • Page 68 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 6608-xx Controller test failed 6623-xx Random read test failed Back to top 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ESARIO%201270,%201670,%20and%201675/error.html (7 of 7)6/27/2004 2:46:20 AM...
  • Page 69: Troubleshooting Without Diagnostics

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 70: Troubleshooting

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 71 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Computer is beeping and battery LED Battery charge is low. Immediately save any open file(s). icon is blinking. Then do any one of the following:...
  • Page 72: Solving Diskette And Diskette Drive Problems

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Battery pack has partially self- Condition the battery pack by fully discharged. charging, fully discharging, then fully recharging it. To maintain the charge, leave battery packs in the computer when it is connected to external power.
  • Page 73: Solving Display Problems

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Drive error has occurred. Run Computer Checkup from the Compaq Diagnostics diskette. Diskette is not formatted. Format the diskette. At the system prompt, enter FORMAT A: Diskette drive cannot read a diskette.
  • Page 74 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Screen is blank. Screen save was initiated by Power Press any key or touch the Touch Management due to lack of user Pad. activity.
  • Page 75: Solving Hard Drive Problems

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 ** This problem indicates that the backlight or its power circuitry has failed. Since you cannot observe the POST result on the display panel when the backlight is not functioning, connect the unit to an external monitor before powering the unit up.
  • Page 76: Solving Hardware Installation Problems

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 CAUTION: To prevent loss of information, always maintain an up-to-date backup of your hard drive at all times, in case of errors or failures.
  • Page 77: Solving Memory Problems

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Solving Memory Problems Some common causes and solutions for memory problems are listed in the following table. Solving Memory Problems Problem Probable Cause Solution(s)
  • Page 78: Contacting Compaq Support

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 79 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 4. Close the display and all exterior doors of the computer. 5. Pack the computer with sufficient packing material to protect it. Use the original packing box or similar packaging.
  • Page 80: System Unit

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 81 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20check...201270,%201670,%20and%201675/images/system.html (2 of 2)6/27/2004 2:46:24 AM...
  • Page 82 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 83 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 7. System Memory 32-MB 122699- (Model: 1270) 64-MB (Models: 122700- 1670 and 1675) 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...SARIO%201270,%201670,%20and%201675/boards.html (2 of 2)6/27/2004 2:46:25 AM...
  • Page 84 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 85: Mass Storage Devices

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 86: Miscellaneous Cables Kit

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 87: Miscellaneous Hardware Kit

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 88: Miscellaneous Plastics Kit

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 89 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...ARIO%201270,%201670,%20and%201675/newpage4.htm (2 of 2)6/27/2004 2:46:28 AM...
  • Page 90: Miscellaneous Parts

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675 Home Page...
  • Page 91: Documentation And Software

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 92: Electrostatic Discharge

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 93 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Removing DIPS from vinyl trays 11,500 V 4,000 V 2,000 V Removing DIPS from Styrofoam 14,500 V 5,000 V 3,500 V Removing bubble pack from PCBs...
  • Page 94: Service Considerations

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 95 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 1.800.AT.COMPAQ privacy and legal statement file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20check...SARIO%201270,%201670,%20and%201675/service.html (2 of 2)6/27/2004 2:46:30 AM...
  • Page 96: Cables And Connectors

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 97: Plastic Parts

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Model: 1670 Plastic Parts Plastic parts can be damaged by the use of excessive force during disassembly and reassembly. When handling the plastic parts, use care. Apply pressure only at the points designated in the maintenance instructions.
  • Page 98: Preparing The Computer For Disassembly

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series...
  • Page 99 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675 Battery Do not crush, puncture, or incinerate the battery CAUTION: Charger Board pack. Do not open a battery pack, as this damages the pack,...
  • Page 100: Removing The Battery Pack

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 101 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Modem Display Panel Assembly Upper CPU Cover Speaker Assembly Diskette Drive Fan Assembly System Board Dip Switch Settings Memory Module 1.800.AT.COMPAQ privacy and legal statement...
  • Page 102: Removing The Palmrest Cover With Touch Pad

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 103: Fan Assembly

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Upper CPU 2. Close the Cover computer and turn Speaker the computer Assembly upside down. Diskette Drive 3. Remove four Fan Assembly screws from the...
  • Page 104: Removing The Keyboard

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 105: Display Panel Assembly

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Modem 4. Remove Display Panel Assembly heatspreader. Upper CPU Cover Next Step Speaker Assembly Diskette Drive Fan Assembly System Board Dip Switch Settings Memory Module 1.800.AT.COMPAQ...
  • Page 106: Removing The Heatspreader

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 107: Dip Switch

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 4. Remove Modem two screws Display Panel from the Assembly heatspreader and lift out of Upper CPU the chassis. Cover Speaker To replace Assembly Diskette Drive...
  • Page 108: Removing The Processor

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 109: Charger Board

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 into the Battery bottom slot Charger Board opening on Modem processor Display Panel and push Assembly toward the Upper CPU display to Cover release the...
  • Page 110 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 111 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 hard drive Modem mounting Display Panel bracket and Assembly lift out the hard drive Upper CPU with drive Cover mounting Speaker bracket Assembly attached. Diskette Drive...
  • Page 112 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 113 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 the back Modem DVD or CD Display Panel drive. Assembly Upper CPU Next Step Cover Speaker Assembly Diskette Drive Fan Assembly System Board Dip Switch...
  • Page 114: Removing The Battery Charger Board

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 115: The Battery

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 and lift out of the Battery chassis. Charger Board Modem To replace the Display Panel battery charger Assembly board, reverse the previous Upper CPU procedures.
  • Page 116: Removing The Modem

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 117 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 pull the Modem modem off Display Panel Assembly connector on the system Upper CPU board. Cover Speaker Next Step Assembly Diskette Drive Fan Assembly System Board...
  • Page 118: Removing The Display Panel Assembly

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 119 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Modem Display Panel Disconnect Assembly the backlight cable Upper CPU attached to Cover the display Speaker panel Assembly assembly from the Diskette Drive connector on...
  • Page 120: Removing The Upper Cpu Cover

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 121 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Battery 6. Remove Charger Board display Modem panel assembly. Display Panel Assembly 7. Remove Upper CPU the screw Cover located Speaker under the Assembly bottom of...
  • Page 122: Removing The Speaker Assembly

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 123 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Processor 6. Remove Hard Drive display panel DVD or assembly. CD Drive Battery 7. Remove Charger Board Upper Modem cover. Display Panel Assembly 8. Remove...
  • Page 124: Removing The Diskette Drive

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 125 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 Processor 8. Remove the screw from the Hard Drive diskette drive DVD or and lift up the CD Drive diskette drive. Battery 9. Disconnect the...
  • Page 126: Removing The Fan Assembly

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 127 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 assembly. DVD or CD Drive 6. Remove Battery hard Charger Board drive. Modem Display Panel 7. Remove Assembly Upper cover. Upper CPU Cover 8. Lift the...
  • Page 128: Removing The System Board

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 129 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 12. Remove the CD or DVD drive. Battery Charger Board 13. Remove the assembly. Modem Display Panel When replacing the system board remove the memory...
  • Page 130 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675 Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal &...
  • Page 131: Removing The Memory Module

    "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 United States June 27, 2004 STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | COMPAQ SEARCH Maintenance & Service Guide Presario Series Models : 1270, 1670, and 1675...
  • Page 132 "Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1270, 1670, and 1675 door, and Modem slide the Display Panel memory Assembly module door to the Upper CPU right. Cover Speaker Next Step Assembly Diskette Drive Fan Assembly...

This manual is also suitable for:

16701675Presario 1270Presario 1670Presario 1675

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