Compaq 1256 manuals
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96 pages 2.33 Mb
Before You Begin 2 Notice3 PrefaceSymbols Technician Notes Serial Number Locating Additional Information Product Description 4 CompaqModels & FeaturesCompaq Presario 1200 Series 5 Portable Computer ModelsControls and Lights 6 Front Panel Components NOTE: or a shopping cart. 7 Left Side Components8 Right Side Components9 Bottom of Unit10 Rear Connectors12 Power Management SettingsDisplay Properties 13 Sleep14 Hibernation Mode Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275 15 Battery Operating TimeBattery operating time is affected by variables, such as the following: 16 Rebooting After a Lockup17 Servicing Your Computer - Full Off Mode18 Troubleshooting19 Preliminary StepsPower-On Self Test (POST) 20 Power-On Self-Test Messages102-System Board Failure 162-System Options Not Set XX000YZZ 201-Memory Error 301-Keyboard Error 304-Keyboard or System Unit Error 601-Diskette Controller Error 605-Diskette Drive Error 1780-Primary Hard Drive 0 Failure 1782-Hard Drive Controller 28 29 Place cursor over each device to obtain its part number.30 BoardsPlace cursor over each device to obtain its part number. 31 Display Assembly34 Cables
171 pages 3.59 Mb
2 Welcome to the Maintenance & Service Guide for the Presariothrough 1275 series Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Connector Pin Assignments Battery Pack Operations 3 This online guide is designed to serve the needs of those whose job it is torepair Compaq productsMaintenance & Service Guide product This Guide will be periodically maintained and updated online as needed http://www.compaq.com/athome/support/msgs comments.html 4 Notice5 First Edition (June 1999)Compaq Computer Corporation 6 PrefaceMaintenance and Service Guide SymbolsThe following words and symbols mark special messages throughout this guide WARNING: IMPORTANT: Technician Notes 7 Serial NumberLocating Additional InformationThe following documentation is available to support this product: ●Compaq Presario 1200 Series Portable Computer documentation set ●Introducing Windows 95 Guide ●Service Training Guides ●Compaq Service Advisories and Bulletins ●Compaq QuickFind ●Compaq Service Quick Reference Guide privacy and legal statement 8 Product Description10 TroubleshootingIf the problem is intermittent, check the NOTE: computer several times to verify that the problem is solved 11 NOTE:12 Illustrated Parts CatalogSystem Unit Cables Boards Miscellaneous Hardware & Plastics Kit Display Assembly Miscellaneous Parts Mass Storage Devices Documentation & Software Miscellaneous Cable Kit 13 Removal and Replacement Procedures14 MemoryModule 15 SpecificationsSystem interrupts Memory Expansion System DMA Battery Pack System I/O Address Diskette Drive System memory Catalog Hard Drive Physical & environmental CD Drive Display Physical and EnvironmentalComputer Specifications U.S.Metric 16 Dimensions(All models with 12.1" display) Height Depth Width (Model 1275 with 13.0" display) Weight Model Stand-Alone(Battery Pack) Power Requirements Nominal Operating Maximum Average Peak Operating AC Power Requirements 1.97in 12.20 in 10.08 in 12.33 in 6.68lb NiMH W @ 9.6 V W @ 9.6 V W @ 9.6 4.95cm 31.00 cm 25.60 cm 5.00cm 31.30 cm 3.34kg Li-ion W @ 14.8 V W @ 14.8 V W @ 14.8 Operating Voltage Operating Current Operating Frequency Maximum Transient Operating Temperature Non-operatingTemperature Operating Relative Humidity (non condensing) 0.8/0.4 A RMS 47-63Hz Meets IEC 801-4and IEC801-5 1kV for 50 ns 50° to 95 °F 10° to 35 °C -4°to 140 °F -20°to 60 °C 10 to 90% 35°C to 90% Non-operatingRelative Humidity 5 to 95% 60°C to 95% (tw = 38.7°C max) Operating Altitude 0 to 10,000 ft 0 to 3.15 km Non-operatingAltitude 0 to 30,000 ft 0 to 9.14 km Operating Shock 10 G, 11 ms, half sine Non operating Shock 240 G, 2 ms, half sine Operating Vibration 0.5 G Non-operatingVibration 1.5 G Return to the Topof this page 17 Compaq HomeSearch Products Service Worldwide Compaq.com Comments Legal Notices and Privacy Statement United States 18 Connector Pin AssignmentsRear Connectors Click on a link: ●Parallel Connector ●Serial Connector ●Keyboard/Mouse ●External VGA Monitor ●Universal Serial Bus ●Modem Parallel Connector 19 PinSignal Strobe Acknowledge Data Bit Busy Paper Out Select Auto Linefeed Error Initialize Printer Select In Signal Ground * = Active low Return to the top Serial Connector Connector Carrier Detect Receive Data Transmit Data Data Terminal Ready Data Set Ready Ready to Send Clear to Send Ring Indicator 20 Keyboard/MouseData Ground Clock External VGA Monitor Red Analog Green Analog Blue Analog Not connected Ground Analog 21 10Ground11Monitor Detect 12DDC2B Data 13Horizontal Sync 14Vertical Sync 15DDC2B Clock Universal Serial Bus +5V Data + Modem Unused Tip Ring 23 Battery Pack Operating Time●Increasing battery pack operating time ●Conditioning a battery pack ●Disposing of a used battery pack Increasing Battery Pack Operating Time●Power management settings ●Hardware configuration ●Software applications ●Installed options ●Display brightness ●Hard drive usage ●Changes in operating temperature ●Type and number of installed PC Cards Minimizing the Energy RequiredTo minimize the energy required by the computer, follow these steps: 1.Set the power conservation levels in the Power Management utility to Maximum Maximum Maximizing the Energy StoredTo maximize the energy stored in the battery pack, follow these guidelines: ●Store the battery pack in a cool, dry place when not in use Return to the top of this page 24 Conditioning a Battery PackCAUTION: 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 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 2:00 hrs Li ion Battery Pack 4.5 hours 2:50 hrs Disposing of a Used Battery Pack 27 Models & Features30 Controls and LightsControls and Lights Bottom of Unit Rear Connectors Power Management for Windows Front Panel Components1.Display 2.Power Button 3. Keyboard 4. TouchPad 5. Speakers & Ports 6. Palmrest 7.(L) TouchPad Button 8.(R) TouchPad Button 31 9. InstantInternet Access 10. Instant Search 11. Scroll up/down Button 12. Instant Commerce (or Retail Center) Depending on the model, the icon for this button may be either a check mark or a shopping cart 13. Instant E-mail 14. Power Light 15. Battery Charge 16. AC Adapter 17. Headphone Jack 18. Volume Down 19. Volume Up Button 20. Microphone Jack 32 21. Number Lock Light22. Cap Lock Light 23. Scroll 33 Left Side Components35 Right Side ComponentsModels and Features Controls and Lights Left Side Components Right Side Components Bottom of Unit Rear Connectors Power Management for Windows 1.Battery Compartment 2.CD Drive 3.CD Drive Eject Button 37 Bottom of Unit38 Rear ConnectorsPower Management for Windows1.AC Adapter 2.Parallel Printer Port 3.Serial Port 4.Fan Exhaust 5. External Monitor Port 6. USB Keyboard/ Mouse Port 8.Modem Jack 39 9. Security Slot 40 Power Management for Windows41 Preliminary Steps51 Diagnostic Error Codes52 501 throughHard Drive Test 2402 through Video Test 2458 through Audio Test Touch Pad Pointing Device Test 8601 through CD Test 3301 through Processor Test Error Codes Error Code Recommended ActionCPU test failed Replace the processor and retest Coprocessor or Weitek Error Run the Configuration and Diagnostics Utilities Replace the processor board and retest DMA page registers test failed Replace the system board and retest Interrupt controller master test failed Port 61 error Keyboard controller self-testfailed CMOS RAM test failed CMOS interrupt test failed CMOS clock test failed Programmable timer load data test Protected mode test failed Speaker test failed Check system configuration Verify cable connections to speaker Replace the system board and Memory Test Error CodesMemory machine ID test failed Flash the system ROM and retest Memory system ROM checksum failed Write/Read test failed 1. Remove the memory module and Address test failed Random pattern test failed 2. Install a new memory module and Noise test failed Random address test failed Return to the top 53 Keyboard Test Error CodesFailed ID Test Check the keyboard connection. If disconnected, turn off the computer and connect the keyboard Failed Selftest/Interface Test Replace the keyboard and retest Failed Individual Key Test Failed Keyboard Repeat Test Parallel Printer Test Error CodesPrinter failed or not connected Connect the printer Check power to the printer Failed Port Test Install the loop-backconnector and Printer pattern test failed Check port and IRQ configuration 54 Serial Test Error CodesSerial port test failed Check port configuration Hard Drive Test Error CodesHard drive format test failed Diagnostics Utilities and verify drive type Hard drive read test failed Verify that all secondary drives have Hard drive write/read/compare test secondary drive capability Hard drive random seek test failed Replace the hard drive and retest Hard drive controller test failed Hard drive ready test failed Hard drive recalibration test failed Hard drive format bad track test failed Hard drive reset controller test failed 1710- Hard drive park head test failed 1715- Hard drive head select test failed 1716- Hard drive conditional format test failed 1717- Hard drive ECC* test failed 1719- Hard drive power mode test failed 1724- Network preparation test failed 1736- Drive monitoring test failed *ECC = Error Correction Code Return to the top 55 Video Test Error Codes501-xx Video controller test failed 502-xx Video memory test failed 503-xx Video attribute test failed 504-xx Video character set test failed 505-xx Video 80 × 25 mode 9 × 14 character cell test failed 506-xx Video 80 × 25 mode 8 × 8 character cell test failed 507-xx Video 40 × 25 mode test failed failed 511-xx Video screen memory page test failed 512-xx Video gray scale test failed 514-xx Video white screen test failed 516-xx Video noise pattern test failed The following apply to error codes 501- xx through 516-xx: 1.Disconnect external monitor and test with internal LCD display 2.Replace the display assembly and retest 3.Replace the system board and retest 56 2402- Video memory test failed2403- 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 2408- Video 320 × 200 mode color set 0 test xx failed 2409- Video 320 × 200 mode color set 1 test xx failed 2410- Video 640 × 200 mode test failed 2411- Video screen memory page test failed 2412- Video gray scale test failed 2414- Video white screen test failed 2416- Video noise pattern test failed 2418- ECG/VGC memory test failed 2419- ECG/VGC ROM checksum test failed 2421- ECG/VGC 640 × 200 graphics mode xx test failed 2422- ECG/VGC 640 × 350 16 color set test xx failed 2423- ECG/VGC 640 × 350 64 color set test xx failed 2424- ECG/VGC monochrome text mode test xx failed 2425- ECG/VGC monochrome graphics mode xx test failed The following steps apply to error codes 2402-xxthrough 2456-xx: 1.Run the Configuration and Diagnostics Utilities 2.Disconnect external monitor and test with internal LCD display 3.Replace the display assembly and retest 2431- 640 × 480 graphics test failure 2432- 320 × 200 graphics (256 color mode) xx test failure 2448- Advanced VGA Controller test failed 2451- 132-columnAdvanced VGA test failed 2456- Advanced VGA 256 Color xx test failed 2458- Advanced VGA BitBLT test 2468- Advanced VGA DAC test 2477- Advanced VGA data path test 2478- Advanced VGA BitBLT test 2480- Advanced VGA LineDraw test The following step applies to error codes 2458-xxthrough 2480-xx: 57 Audio Test Error CodesAudio System Internal Error TouchPad/Pointing Device Interface Test Error CodesMouse test failed Replace the TouchPad and retest Interface test failed CD Drive Test Error CodesCD drive read test failed Replace the CD and retest Verify that the speakers are CD drive seek test failed connected 58 6600- ID test failed6605- Read test failed 6608- Controller test failed 6623- Random read test failed 3.Verify that drivers are loaded and properly installed 4.Replace the CD drive and retest 5.Replace the system board and retest or return to the Troubleshootingindex page 59 Return to the Troubleshootingindex page61 Solving Minor ProblemsThe following problems and possible solutions are addressed: ●Audio Problems ●Battery Pack and Battery Gauge Problems ●CD Drive Problems ●Diskette and Diskette Drive Problems ●Display Problems ●Hard Drive Problems ●Hardware Installation Problems ●Keyboard/Numeric Keypad Problems ●Memory Problems Solving Audio ProblemsSome common audio problems and solutions are listed in the following table Solving Audio Problems Computer does not beep after the Power This is typical; it indicates successful No action is required On Self-Test(POST) completion of the Power-On Self-Test (POST) 62 Solving Battery Pack and Battery Gauge ProblemsSolving Battery Pack and Battery Gauge Problems Computer won't turn on when Battery pack is discharged Connect the computer to an battery pack is inserted and power external power source and charge cord is unplugged the battery pack Replace the battery pack with a fully charged battery pack Check the battery connectors on the system board to verify that they are evenly spaced and are not bent or broken Computer is beeping and battery Battery charge is low Immediately save any open file(s) LED icon is blinking Then do any one of the following: external power source to charge the battery pack Turn off the computer or initiate Hibernation until you can find another power source or charge the battery pack Computer battery LED icon (front on Volume is turned down too low Adjust the volume the unit) blinks to indicate low battery condition, but computer does not beep Battery LED icon doesn't light and battery pack won't fast charge You have to set the date and time every time you turn on the computer Battery pack is already charged Battery pack was exposed to temperature extremes Battery pack is at end of its life RTC battery is dead No action is necessary Allow time for the battery pack to return to room temperature Replace battery pack Replace the RTC battery Battery charge does not last as long as expected Battery is being exposed to high temperatures or extremely cold temperatures Battery has partially self-discharged Recharge the battery. Discharge the battery completely and then recharge it Battery pack is warm to the touch after charging Power management is disabled An external device or PC Card is draining the battery Normal warming has occurred due to charging Power management is turned off or disabled Set a power management level in Computer Setup Turn off or disconnect external devices when not using them Enable power management in Computer Setup and in Windows Power Properties Battery pack has partially self- discharged (10° C to 40° C) Storage: -4°F to 86° F (-20°C to 30° C ) Recharge the battery pack 63 Solving CD Drive ProblemsSolving CD Drive Problems CD drive cannot read a compact disc Compact disc is upside down or is Open the CD loading tray, lay the improperly inserted in the CD drive compact disc in it (label side up) then close the tray CD is CD Plus or Pregap/Track Cannot read these type CDs in type Remove the CD Solving Diskette and Diskette Drive ProblemsSolving Diskette and Diskette Drive Problems Problem Probable Cause Solution(s) Diskette drive cannot write to a Diskette is write-protected Disable the diskette's write-protect diskette feature or use a diskette that is not write-protected Diskette drive cannot read a diskette Cannot boot from diskette Computer is writing to the wrong drive Not enough space is left on the diskette Drive error has occurred Diskette is not formatted The wrong type of diskette is being used Diskette has a bad sector Bootable diskette is not in drive A Diskette Boot has incorrect setting in Computer Setup Check the drive letter in the path statement Use another diskette Run Computer Checkup from the Compaq Diagnostics diskette Format the diskette. At the system prompt, enter FORMAT A: Use the type of diskette required by the drive Copy files to hard drive or another diskette. Reformat bad floppy Put the bootable diskette in drive A Run Computer Setup and set diskette as first to boot 64 Solving Display Problems1.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 Solving Display Problems 65 Screen is dimScreen 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 Adjust the Brightness of the display by using Fn + F7 or Fn + F8 Adjust the Contrast of the display by using Fn + F5 or Fn + F6 Tilt display or move computer Press any key or touch the Touch Pad Display has overheated System is in Suspend mode Display function was switched to the external monitor If computer is in direct sunlight, move it and allow it to cool off Use Fn + F3 to switch between LCD or CRT LCD CRT Restart the computer The light tube-son the edge of the display Improper backlight or display Replace the display assembly panel do not light up at all and Power-On cable connections Self-Test(POST) completes when the unit is powered up Defective inverter board Defective display cable Defective display panel Defective system board Replace the system board The light tubes on the edge of the display Self-Test(POST) does not complete when the unit is powered up Backlight (brightness) cannot be adjusted Improper display cable 1. Reseat the display cable to the with Fn + F7 or Fn + F8 connections system board 2. Replace the display assembly Contrast cannot be adjusted with Fn + F5 or Fn + F6 Defective display cable. Defective system board System may have a TFT display (which is always at maximum contrast) Replace the display assembly. Replace the system board No adjustment is possible Improper display-cableconnections 1.Reseat the display cable to the system board 2.Replace the display assembly Defective inverter board. Defective display cable Replace the display assembly. Replace the display assembly This display panel has a continuous pattern Reseat the display cable to the across it (e.g., a "jailbars" pattern), has a connections following until the problem is solved: single color on it, or has garbled graphics across the entire panel. This failure is for System board patterns across the entire panel (not just on one section) Display assembly Ghost bars extending from graphics on the Common characteristic of Change the background colors display STN displays Adjust the Contrast of the display by using Fn + F5 or Fn + F6 A single line, a small group of lines, or a block appears on the display panel. This failure occurs in only a section of the display panel NOTE: 66 Solving Hard Drive ProblemsSolving Hard Drive Problems Reading hard drive takes an System entered Hibernation due to Give the system time to restore the unusually long time after restarting low battery condition and is now previously saved data to its exact the computer exiting from it state before Hibernation Hard drive error occurs Hard drive has bad sectors or has Run Computer Checkup failed Hard drive does not work Hard drive is not seated properly Turn off and unplug the computer remove the battery pack, and remove and then reinstall the hard drive 67 Solving Hardware Installation ProblemsSolving Hardware Installation Problems Solutions(s) A new device is not recognized as part Cable(s) of new external device are Ensure that all cables are properly of the computer system loose, or power cables are and securely connected unplugged Power switch of new external device Turn off the computer, turn on the is not turned on external device, then turn on the computer to integrate the device with the computer system Device is not seated properly Turn off the computer and reinsert the device Solving Keyboard/Numeric Keypad ProblemsSolving Keyboard/Numeric Keypad Problems Embedded numeric keypad on computer Num Lock function is not enabled Press the Shift+NumLk keys to Shift NumLk keyboard is disabled enable the Num Lock function and embedded numeric keypad. The Num Lock icon on the status panel turns on Embedded numeric keypad is disabled and External numeric keypad is Disconnect the external numeric Num Lock function is on connected to the computer keypad from the computer 68 Solving Minor Problems (continued)or return to the Troubleshootingindex page 69 Contacting Compaq Support70 4.Close the display and all exterior doors of the computerReturn 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 Pin Assignments| Battery Pack Operations 71 System UnitSystem Unit Boards Assembly Mass Storage Devices Miscellaneous Cable Kit Cables Miscellaneous Hardware and Plastics Kit Miscellaneous Parts Documentation and Software Place cursor over each device to obtain its part number Keyboards CPU Base Enclosure Touchpad and Palmrests 72 Battery Packs:CPU Upper Cover with Power Switch United States June 28 COMPAQ STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | SEARCH Maintenance & Service GuidePresario 1200 Series Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations 73 BoardsSystem Unit Boards Display Assembly Mass Storage Devices Miscellaneous Cable Kit Cables Miscellaneous Hardware and Plastics Kit Miscellaneous Parts Documentation and Software Place cursor over each device to obtain its part number Heatspreader: Modem, K-56.0Kbps Data/Fax w/o SRAM (US, Canada, Latin America) Processor: 74 System Board and Memory Module:1.800.AT.COMPAQ 75 Display Panel Assembly:77 Mass Storage DevicesSystem Unit Boards Mass Storage Devices Miscellaneous Cable Kit Cables Miscellaneous Hardware and Plastics Kit Miscellaneous Parts Documentation and Software Place cursor over each device to obtain its part number 79 Miscellaneous Cables KitDocumentation and Software Place cursor over each device for a description of that item 80 North AmericaAsia Pacific w/adapter 82 Miscellaneous Hardware and Plastics Kit84 Miscellaneous PartsMiscellaneous Parts (not shown): 86 Documentation and Software88 Electrostatic DischargeGenerating Static89 Typical Electrostatic VoltagesEvent10% 40% 55% Walking across carpet 35,000 15,000 7,500 Walking across vinyl floor 12,000 5,000 3,000 Motions of bench worker 6,000 Removing DIPS from plastic 2,000 tubes Removing DIPS from vinyl trays 11,500 4,000 Removing DIPS from Styrofoam 14,500 3,500 Removing bubble pack from 26,000 20,000 7,000 PCBs Packing PCBs in foam-linedbox 21,000 11,000 Return to Removal & Replacement Procedures 90 Service ConsiderationsTool and Software RequirementsTo service the computer, you need the following: ●Compaq screwdriver kit (Spare Part No. 161946-001) ●Torx T-9screwdriver ●3/16-inchand 5mm nut drivers (for screwlocks and standoffs) ●Small, standard screwdriver ●Small, Phillips screwdriver ●Diagnostics software ScrewsCompaq IMPORTANT: area to prevent damage Return to Removal & Replacement Procedures 91 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 ZIF Connector ●The ribbon cable position for the 3.2-GB, 4.0-GB, 4.3-GB,and 6.4-GBhard drive ●The ribbon cable position for the CD drive CD drive ●The ribbon cable position for the diskette drive diskette drive ●The cable position for the speaker assembly speaker assembly Plastic Parts 93 Preparing the Computer for DisassemblyElectrostatic Discharge Service Considerations Cables and Connectors Preparing the Computer for Disassembly Battery Pack Palmrest Cover with Touch Pad Heatspreader Keyboard Processor Hard Drives CD Drive Battery Charger Board Modem Display Panel Assembly Upper CPU Cover Speaker Assembly Diskette Drive Fan Assembly System Board Dip Switch Settings 1.Disconnect AC power and any external devices 2.Remove the battery pack 3.Remove any PC Cards WARNING: NOTE: not respective screws with their associated sub-assembly 94 MemoryModule Return to Removal & Replacement Procedures 95 Removing the Battery Pack97 Removing the Palmrest Cover with Touch PadElectrostatic Discharge Considerations Cables and Preparing the Computer for Disassembly Battery Pack Palmrest Cover with Touch Pad Heatspreader Keyboard Processor CD Drive Battery Charger Board Display Panel Upper CPU Cover It is not necessary to remove the display panel NOTE: assembly to access the interior components of the computer To remove the palmrest cover with touch pad, complete the following steps: 1.Prepare the computer for disassembly 98 Speaker2. Close the computer and turn the computer upside Diskette Drive down Fan Assembly 3. Remove four System Board screws from the Dip Switch bottom of the Settings computer Memory Next Step Module 99 Removing the Heatspreader100 theheatspeader reverse the previous procedures 101 Removing the Keyboard102 5. Disconnectthe flex cable from the ZIF connector on the system board To replace the keyboard Return to Removal & Replacement Procedures 103 Removing the Processor104 small-bladescrewdriver Charger into the Board bottom slot opening on the processor Panel and push toward the display to release the from the chassis slot Diskette 6. Lift the Drive out of the System 105 Removing the Hard Drive107 Removing the CD Drive117 Removing the Speaker Assembly118 drive7.Remove the Upper CPU cover 8.Remove the battery charger board To replace the speaker assembly, reverse the previous procedures 119 Removing the Diskette Drive120 Upper CPU CoverDip Switch Settings 8.Remove battery charger board 9.Remove the diskette drive When replacing the diskette drive, ensure that the 121 Removing the Fan Assembly122 assembly6. Remove the hard 7. Remove the Upper CPU cover 8. Lift the fan assembly chassis slot and disconnect the fan cable 123 Removing the System Board124 Memory Module10.Remove the battery charger board 11.Remove the diskette drive 12.Remove the CD drive 13.Remove the fan 14.Disconnect the speaker assemblycables. Next Step125 Theindicates the position of the switch 127 Removing the Memory Module
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