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Compaq AP400 - Professional - 64 MB RAM, Troubleshooting Manual

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Compaq AP400 - Professional - 64 MB RAM Troubleshooting Manual Download Page 42

3-14

Troubleshooting Flowcharts for Portable Computers

13. No O/S Loading from Diskette Drive

O/S not loading 

from diskette drive

Non-

System Disk 

message?

N

N

Y

Diskette 

drive boot order 

N

Change boot 

priority using

F10 Setup.

Y

Boot 

from another 

device?

Y

Diskette 

drive enabled
 in Computer 

Setup?

Y

N

Enable drive and 

cold boot 

computer.

Clear CMOS.

Go to Page 3-18,

Non-Functioning 

Device

Bootable 

diskette

 in drive?

Install bootable 

diskette and 

reboot computer.

N

Y

Check diskette for 

system files. Try 

different diskette.

O/S loading?

Y

N

Go to Page 3-18, 

Non-Functioning 

Device

Done

Reseat 

diskette drive.

O/S loads OK?

Y

Done.

N

Non System 

Disk error?

1. Replace diskette 
    drive.
2. Replace system
    board.

Y

N

Summary of Contents for AP400 - Professional - 64 MB RAM

Page 1: ...Quick Troubleshooting Guide Compaq Deskpro Family of Personal Computers Compaq Deskpro Workstations Compaq Professional Workstations Compaq Armada Notebooks Compaq Prosignia Notebooks ...

Page 2: ...ark of Compaq Computer Corporation Microsoft MS DOS Windows Windows NT and other names of Microsoft products referenced herein are trademarks or registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation Celeron and MMX are trademarks of Intel Corporation Product names mentioned herein may be trademarks and or registered trademarks of their resp...

Page 3: ...Printer s Mark ...

Page 4: ... 5 5 No Video Part 1 2 6 6 No Video Part 2 2 7 7 No Video Part 3 2 8 8 Error Messages Part 1 2 9 9 Error Messages Part 2 2 10 10 Error Messages Part 3 2 11 11 No O S Loading 2 12 12 No O S Loading from Hard Drive Part 1 2 13 13 No O S Loading from Hard Drive Part 2 2 14 14 No O S Loading from Hard Drive Part 3 2 15 15 No O S Loading from Diskette Drive 2 16 16 No O S Loading from CD ROM Drive 2 17...

Page 5: ...ve 3 14 14 No O S Loading from CD ROM or DVD ROM Drive 3 15 15 No Audio Part 1 3 16 16 No Audio Part 2 3 17 17 Non Functioning Device 3 18 18 Non Functioning Pointing Device or Keyboard 3 19 19 No Network or Modem Connection 3 20 appendix A Further Troubleshooting A 1 appendix B POST Error Messages Numbered B 1 appendix C Post Error Messages Not Numbered C 1 ...

Page 6: ...ed Desktop Computers and Workstations T Torx T 15 and flat blade screwdrivers T Loopback plugs T Write protected bootable diskette T Anti static wrist strap Tools Required Notebooks T Magnetic flat blade screwdriver Torx T 8 and T 10 screwdrivers T 3 16 inch and 7 mm hex sockets or nut drivers T Security wrench T Loopback plugs T Write protected bootable diskette T Anti static wrist strap Protecti...

Page 7: ...is connected to an AC power source there is always voltage applied to the system board You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage 3 Remove the computer cover 4 Reset the computer by one of the following methods depending on the model T If the system board has a CMOS reset button press the button and then release ...

Page 8: ...computer case 5 CMOS memory is checked for configuration time and date If the CMOS memory parameters do not match the actual system configuration a 162 System Options error or a System CMOS error will be displayed with instructions for restarting the computer 6 The speaker will sound two short beeps or will display the Compaq splash screen when the POST has been successfully completed Refer to the...

Page 9: ...y is an online information gathering tool similar to other Compaq management tools that run on computers It gathers critical hardware and software information from various sources to give a complete view of the computer Configuration Record Utility delivers comprehensive configuration capture provides a means for automatically identifying and comparing configuration changes and has the ability to ...

Page 10: ...2 2 7 7 No Video Part 3 2 8 8 Error Messages Part 1 2 9 9 Error Messages Part 2 2 10 10 Error Messages Part 3 2 11 11 No O S Loading 2 12 12 No O S Loading from Hard Drive Part 1 2 13 13 No O S Loading from Hard Drive Part 2 2 14 14 No O S Loading from Hard Drive Part 3 2 15 15 No O S Loading from Diskette Drive 2 16 16 No O S Loading from CD ROM Drive 2 17 17 No O S Loading from Network 2 18 18 N...

Page 11: ... 115 230V set right End Begin Troubleshooting Go to Page 2 12 No O S Loading Go to Page 2 9 Error Messages Go to Page 2 6 No Video Go to Page 2 3 No Power Set voltage to 115V or 230V as required Y Y N N N Y N Y Y N All drives working Y N Go to Page 2 19 Non Functioning Device New options or software added N Run Compaq Configuration Utility see Chapter 1 Y ...

Page 12: ...re power strip or UPS is turned on Restart computer and return to start of this chart Turn off power disconnect power cord and open the computer No Power Power LED is off Y N Y N Y N Caution Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disa...

Page 13: ...n off Does fan spin N N 1 Unplug power to all drives 2 Remove all installed cards 3 Press power button on Does fan spin Replace power supply Y Y 1 Add drives back one at a time to find faulty drive 2 Add cards back one at a time to find faulty card Power on Done Y N Go to Page 2 5 No Power Part 3 Caution Power is continuous to the system board and power supply even when the power switch is turned ...

Page 14: ...and data cable connectors Y Reseat loose components and replace damaged items in the computer Power LED on Y N Replace power switch Power LED on Y N Replace system board Done Done Caution Power is continuous to the system board and the power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning dis...

Page 15: ...tial Troubleshooting Reconnect monitor note 3 Y N Y Y N N Green Amber N Notes 1 Older monitors do not support the amber LED 2 If more than one adapter is installed monitor must be connected to primary controller 3 Turn off and unplug computer before reconnecting cables N Video OK Y Done Caution Power is continuous to the system board and power supply even when the power switch is turned off To pre...

Page 16: ...he power source or the unit before beginning disassembly procedures Y N N Continued from Page 2 6 No Video Part 1 Turn off computer and disconnect power Replace components in system one at a time starting with hard drive Test system after each replacement for video or beeps Go to Page 2 8 No Video Part 3 Notes 1 System boards without a piezo speaker or chassis without an internal speaker require a...

Page 17: ...th hard drive Test system after each replacement for video or beeps Y Replace video card Caution Power is continuous to the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Continued from Page 2 7 No Video Part 2 N Integrated video N Replace system...

Page 18: ...the system board and power supply even when the power switch is turned off To prevent damage to the unit disconnect the power cord from the power source or the unit before beginning disassembly procedures Num Lock LED flashing green Memory error Caps Lock LED flashing green No video Scroll Lock LED flashing green System board failure prior to video Power LED glows green Computer is on Audible 1L 3...

Page 19: ...rom Compaq website at www compaq com 2L 1S Scroll Lock blinking System HW failure prior to video Unplug open computer and check for physical damage Ensure all cables and cards are seated Look for burn marks or smoke No beeps HD and Power LED blinking Riser not detected Unplug open computer and check and reseat riser board Continued from Page 2 9 Error Messages Part 1 Continued on Page 2 11 Error M...

Page 20: ...data cables Error 91x Misc Connection Error See Appendix B for specific definitions Unplug open computer and check hood lock coil thermal sensor pigtail and riser for good connection Error 178x Fixed Disk Error See Appendix B for specific definitions Unplug open computer check hard drive and check and reseat power and data cables Error 1800 Thermal Alert System overheating Let computer cool off En...

Page 21: ...ive go to Page 2 16 CD ROM drive go to Page 2 17 Hard drive go to Page 2 13 Network go to Page 2 18 Factory recommended booting priority 1 CD ROM drive 2 Diskette drive 3 Hard drive 4 Network NOTE Before beginning always check drive jumpers cable connections cable ends and drives for bent or damaged pins ...

Page 22: ...e Drive Boot from network N Go to Page 2 18 No O S Loading from Network Change boot priority through Computer Setup and reboot Boot from hard drive Go to Page 2 19 Non Functioning Device Done Y N Factory Recommended Booting Priority 1 CD ROM drive if bootable drive 2 Diskette drive 3 Hard drive 4 Network NOTE Before beginning always check drive jumpers cable connections cable ends and drives for b...

Page 23: ... S Loading from Diskette Drive Y Go to Page 2 15 No O S Loading from Hard Drive Part 3 Run FDISK Hard drive partition Y N N Create partition then format hard drive to bootable C prompt Hard drive formatted Format hard drive and bring to a bootable C prompt Y N Y Load O S using Restore CD if applicable see note Note Refer to the Customer Responsibilities section of this document and the customer se...

Page 24: ... CD if applicable see note Y Install O S and reboot see note Clean virus see note Boot from hard drive Done Y N Continued from Page 2 14 No O S Loading from Hard Drive Part 2 Run DPS test Boot from hard drive Replace hard drive Fix bad sectors Done Y N Note Refer to the Customer Responsibilities section of this document and the customer service contract N Y Boot from hard drive Y Replace hard driv...

Page 25: ...nabled in Computer Setup Y N Enable drive and cold boot computer Clear CMOS Go to Page 2 19 Non Functioning Device Bootable diskette in drive Install bootable diskette and reboot computer N Y Check diskette for system files Try different diskette Bootable diskette in drive N Y Notes Factory Recommended Booting Priority 1 CD ROM drive if bootable 2 Diskette drive 3 Hard drive 4 Network Go to Page 2...

Page 26: ...e notes N Y Boots from CD N Y Done Go to Page 2 19 Non Functioning Device Install bootable CD Bootable CD in drive Install bootable CD and reboot computer N Y Try another bootable CD Notes Factory Recommended Booting Priority 1 CD ROM drive if bootable 2 Diskette drive 3 Hard drive 4 Network Booting order correct Clear CMOS N Y Go to Page 2 19 Non Functioning Device ...

Page 27: ...etwork cable attached Notes Factory Recommended Booting Sequence 1 CD ROM drive 2 Diskette drive 3 Hard drive 4 Network Boots from another device Y Select F12 on prompt Network jack functional Y Y N N N Y Connect to working network jack Attach network or WOL cable Reboot computer Select F12 when prompted Go to Page 2 19 Non Functioning Device C N Turn off power disconnect power cord open computer ...

Page 28: ... cable from the non functioning device Inspect cables and plugs for bent or broken pins or other damage For a NIC or SCSI controller remove the expansion card and inspect leads Drive boots properly NIC Possible bad NIC replace card If integrated NIC replace system board N Y Any physical damage Y N Diskette drive Possible bad diskette drive Replace drive Drive boots properly Y N Caution Power is co...

Page 29: ...on Functioning Docking Station 3 9 9 No O S Loading 3 10 10 No O S Loading from Hard Drive Part 1 3 11 11 No O S Loading from Hard Drive Part 2 3 12 12 No O S Loading from Hard Drive Part 3 3 13 13 No O S Loading from Diskette Drive 3 14 14 No O S Loading from CD ROM or DVD ROM Drive 3 15 15 No Audio Part 1 3 16 16 No Audio Part 2 3 17 17 Non Functioning Device 3 18 18 Non Functioning Pointing Dev...

Page 30: ...r Begin Troubleshooting Go to page 3 16 No Audio Go to Page 3 10 No O S Loading Go to Page 3 7 No Video Go to Page B 1 Error Messages Go to Page 3 3 No Power Y Y N N N Y Y N N End Y Connecting to network or modem Keyboard Mouse working All drives working Go to page 3 20 Network or Modem Connection Go to Page 3 19 Keyboard Mouse Go to Page 3 18 Non Functioning Device N Y Y N N Y ...

Page 31: ...e AC outlet 2 Ensure AC power source is active 3 Ensure power strip is working Reset Power Y Power up in docking station Y Done N Go to Page 3 9 Non Functioning Docking Station Power up on battery power N Go to page 3 4 No Power Part 2 Y Power up on AC power N Go to page 3 5 No Power Part 3 Y Notes 1 On some models there is a separate reset button 2 On some models the computer may be reset by usin...

Page 32: ...eck battery by recharging moving it to another PC or replacing it N Y Visually check for debris in battery socket and clean if required N Done Power on Done N Y Replace power supply if applicable Power on Done N Y Go to Page 3 5 No Power Part 3 Continued from page 3 3 No Power Part 1 ...

Page 33: ... at power source N Done Plug directly into AC outlet Internal or external AC adapter Replace external AC adapter Done Power outlet active N Try different outlet Y Go to page 3 6 No Power Part 4 Power on Done Power on Replace power cord Y Done External N Y N Internal Continued from page 3 4 No Power Part 2 ...

Page 34: ...Loose or damaged parts Close computer and retest Y Done Continued from Page 3 5 No Power Part 3 N Power on Y N Replace these items Check computer operation after each replacement 1 Internal DC DC Converter 2 Internal AC Adapter 3 Processor board if applicable 4 System board Replace these items as a set to prevent shorting out among the components ...

Page 35: ...OK Done Y N Replace one at a time Test after each item 1 Cable between PC and internal monitor if applicable 2 Inverter board if applicable 3 Display LCD 4 System board External Video OK Done Y N Check for bent pins on cable and for monitor connection Video OK N Y Done Video OK Replace system board A Note To change from internal to external display use Fn F4 Key combination Docking Station Go to p...

Page 36: ... 3 7 No Video Part 1 Remove PC from docking station Go to page 3 7 No Video Part 1 Y Check for PC properly seated in docking station bent pins on cable and for monitor connection Video OK Done Y Try another external monitor Video OK Done N Adjust external monitor brightness N A N Y Video OK N Y Done Check brightness of external monitor Adjust internal monitor brightness ...

Page 37: ...ting Replace these items one at a time Check computer operation after each replacement 1 Power supply 2 I O board 3 Backplane board 4 Switch box 5 Docking motor mechanism Reseat monitor cable connector at docking station Remove PC reseat all internal parts and replace any damaged items in docking station Reinstall PC into docking station Y Done N Docking station operating Done N Y ...

Page 38: ...o O S Loading O S not loading from Diskette drive go to Page 3 14 Hard drive go to Page 3 11 CD ROM drive go to Page 3 15 Network go to Page 3 20 NOTE Before beginning always check drive jumpers cable connections cable ends and drives for bent or damaged pins ...

Page 39: ...ty through Computer Setup and reboot Y N Boot from hard drive Done Y N Go to Page 3 14 No O S Loading from Diskette Drive Go to Page 3 18 Non Functioning Device NOTE Before beginning always check drive jumpers cable connections cable ends and drives for bent or damaged pins Non System Disk Message N Go to Page 3 12 No O S Loading from Hard Drive Part 2 Y Reseat external hard drive N Boot from CD Y...

Page 40: ... partition N Create partition then format hard drive to bootable C prompt Hard drive formatted Format hard drive and bring to a bootable C prompt Y N Y Load O S using Restore CD if applicable see note Note Refer to the Customer Responsibilities section of this document and the customer service contract Computer boot Done Y Go to Page 3 13 No O S Loading from Hard Drive Part 3 N 1 Replace hard driv...

Page 41: ...ard drive Virus on hard drive N Replace hard drive Y Install O S and reboot see note Clean virus see note O S loading from hard drive N Y Continued from Page 3 12 No O S Loading from Hard Drive Part 2 Done Boot from hard drive Replace hard drive Fix bad sectors Done Y N N Y F10 diags on diskette Y Replace hard drive Run diags and follow recommendations N ...

Page 42: ...vice Y Diskette drive enabled in Computer Setup Y N Enable drive and cold boot computer Clear CMOS Go to Page 3 18 Non Functioning Device Bootable diskette in drive Install bootable diskette and reboot computer N Y Check diskette for system files Try different diskette O S loading Y N Go to Page 3 18 Non Functioning Device Done Reseat diskette drive O S loads OK Y Done N Non System Disk error 1 Re...

Page 43: ...er device Y Correct boot order using F10 Setup N Boots from CD or DVD N Y Done Go to Page 3 18 Non Functioning Device Install bootable disk Bootable disk in drive Install bootable disk and reboot computer Y Try another bootable disk Booting order correct Clear CMOS N Y Go to Page 3 18 Non Functioning Device N Y Reseat drive Boots from CD or DVD Y Done N ...

Page 44: ... Audio Y N Take the following actions one at a time as applicable Check after each change 1 Reseat docking station audio cable 2 Replace audio cable 3 Replace speaker 4 Replace docking station audio board 5 Replace backplane board 6 Replace I O board N Y Audio Go to Page 3 9 Non Functional Docking Station Done Y N Go to Page 3 17 No Audio Part 2 Go to Page 3 17 No Audio Part 2 ...

Page 45: ...Load drivers and set configuration in OS N Y Replace audio board and speaker connections in PC if applicable Audio driver in OS configured N Connect to external speaker Audio Done 1 Replace internal speaker 2 Replace audio board if applicable 3 Replace system board Y N Y Y Continued from Page 3 16 No Audio Part 1 ...

Page 46: ... Reattach device Close computer plug in power and reboot Unplug the non functioning device from the unit Inspect cables and plugs for bent or broken pins or other damage Device boots properly NIC Possible bad NIC Replace card If integrated NIC replace system board N Y Any physical damage Y N Diskette drive Possible bad diskette drive Replace drive Drive boots properly Y N Clear CMOS Done Done Non ...

Page 47: ...ternal keyboard connector if applicable OK Y Y External device works N Connect unit to good external keyboard or pointing device Replace system board Pointing device or keyboard not operating properly Done OK N Y Done Replace system board N Replace internal keyboard cable or pointing device ...

Page 48: ...wer from PC and open computer Y Connect to non digital line No network modem connection Reseat NIC modem if applicable Network or modem jack active Replace jack or have jack activated N NIC modem configured in OS N Reload drivers and reconfigure N OK Y Done Replace NIC modem if applicable N OK Y Done Replace system board Y ...

Page 49: ... brightness and contrast controls if the monitor is dim Press and hold any key If the system beeps then the keyboard should be operating correctly Check all cables for loose or incorrect connections Reconfigure the computer after installing a non Plug and Play expansion board or other option such as a diskette drive Are all of the necessary device drivers installed Have all printer drivers been in...

Page 50: ...erature was exceeded because the unit is in an exceedingly hot environment or the fan is blocked Let the unit cool down 2 The fan may not be functioning correctly or air vents may be blocked 3 The unit temperature was exceeded because the computer was running with the cover or side panel removed Replace cover or side panel and let the computer cool down before turning power back on Insufficient po...

Page 51: ...l not turn on 1 Computer not connected to active external power source Connect power cable to active wall plug or power strip 2 Power switch not connected to system board Plug the power switch cable into the system board 3 Power line selector switch on rear of computer set to wrong voltage Select the proper AC voltage 115V or 230V Power LED blinks red once every 2 seconds 1 Power supply overloaded...

Page 52: ...ings in Computer Setup Cannot format diskette Invalid media reported When formatting a diskette in DOS you may need to specify diskette capacity For example to format a 1 44 MB diskette type the following command at the DOS prompt FORMAT A F 1440 Diskette drive cannot read a diskette 1 Diskette is not formatted Format the diskette 2 Using the wrong diskette type for the drive type Check the drive ...

Page 53: ...ormat the hard disk 2 See Non Functioning Device Flowchart Disk transaction problem 1 Either the directory structure is bad or there is a problem with a file In Windows 95 98 or 2000 run ScanDisk In Windows NT right click Start click Explore and select a drive Select FileÆPropertiesÆTools Under Error checking click Check Now 2 See Non Functioning Device Flowchart Drive not found 1 Cable could be l...

Page 54: ...fixed sync monitor is used be sure that the monitor can accept the same sweep rate as the resolution chosen 10 See No Video Flowchart Video colors are wrong 1 Either the cabling or the monitor impedance is incorrect 2 Ensure that the Red Green and Blue BNC cables are connected to the corresponding monitor connectors 3 Be sure the monitor s RGB inputs are set to 75 ohms Characters are dim 1 Adjust ...

Page 55: ...ure it is online 2 Try printing using the DOS command DIR C printer port If printer works reload printer driver 3 If the computer is on a network you may not have made the connection to the printer Make the proper network connections to the printer Printer will not turn on Reconnect all cables and check the power cord and electrical outlet Prints garbled information 1 The correct printer drivers f...

Page 56: ...ng the changes 3 A Plug and Play board may not automatically configure when added if the default configuration conflicts with other devices Use Windows 95 98 or 2000 Device Manager to deselect the automatic settings for the board and choose a basic configuration that doesn t cause a resource conflict You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict...

Page 57: ...nd insert a thin metal rod into the emergency eject hole and push firmly a straightened paper clip can be used Slowly pull the tray out from the drive until the tray is fully extended then remove the CD Cannot eject compact disc slot load unit 1 Remove the drive from the chassis 2 Remove the front bezel from the drive 3 Remove the top and bottom drive covers 4 Release the clamping mechanism to ret...

Page 58: ...puter has run out of memory for the application Check the application documentation to determine the memory requirements Memory count during POST is wrong Memory modules may not have been installed incorrectly or incorrect memory modules may have been used Insufficient memory error during operation 1 Too many Terminate and Stay Resident programs TSRs are installed Delete any unnecessary TSRs 2 The...

Page 59: ...utosense the network Disable autosensing capabilities and force the system into the correct operating mode Diagnostics reports a failure 1 The cable is not securely connected or is attached incorrectly Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device 2 There is a problem with the cable or a device at ...

Page 60: ...xpansion board were installed or the files containing the network drivers are corrupted Reinstall the network drivers using backup diskettes Network controller stopped working without apparent cause 1 The files containing the network drivers are corrupted Reinstall the network drivers using backup diskettes 2 The cable is not securely connected or is attached incorrectly Ensure that the cable is s...

Page 61: ... does not come out of the speaker Software volume control is turned down in Microsoft Sound System Control Panel or CD ROM or DVD volume control on the front or back of the computer is turned down 1 Click Start then select Programs Accessories Multimedia Volume Control 2 Turn the CD ROM volume control knob on the front or back of the computer to increase the volume Troubleshooting Using Compaq Int...

Page 62: ...and see if the problem remains 4 Clear CMOS 5 If the message disappears there may be a problem with the expansion card 6 Replace the system board 102 System Board Failure None DMA timers etc 1 Clear CMOS 2 Remove expansion boards 3 Replace the system board 103 System Board Failure None DMA timers etc 1 Clear CMOS 2 Remove expansion boards 3 Replace the system board 150 SafePost Active None A PCI e...

Page 63: ... added test using Compaq only memory 183 Invalid Processor Jumper Setting 2S System board jumper improperly set Reset system board jumpers to match processor and bus speeds 201 Memory Error None RAM failure 1 Run computer Setup F10 Setup or Windows utilities 2 Ensure memory and continuity modules are installed correctly 3 Verify proper memory module type 4 Remove and replace memory module s one at...

Page 64: ...emory module type 2 Try another memory socket 3 Replace memory module if problem persists 301 Keyboard Error None Keyboard failure 1 Reconnect keyboard with computer turned off 2 Check connector for bent or missing pins 3 Ensure that none of the keys are depressed 4 Replace keyboard 304 Keyboard or System Unit Error None Keyboard failure 1 Reconnect the keyboard with computer turned off 2 Ensure t...

Page 65: ...or replace cables 3 Clear CMOS 4 Replace diskette drive 5 Replace the system board 602 Diskette Boot Record Error None Diskette in drive A not bootable Replace the diskette 605 Diskette Drive Type Error 2S Mismatch in drive type 1 Run Computer Setup F10 Setup or Windows NT Windows 95 98 or 2000 utilities 2 Disconnect any other diskette controller devices tape drives 3 Clear CMOS 610 External Stora...

Page 66: ...d or not installed Install riser board if missing or remove and reseat to ensure good connection 1151 Serial Port 1 Address Conflict Detected 2S Both external and internal serial ports are assigned to COM1 1 Remove any Comm port expansion cards 2 Clear CMOS 3 Reconfigure card resources and or run Computer Setup F10 Setup Run Computer Setup or Windows utilities 1152 Serial Port 2 Address Conflict D...

Page 67: ... patch if applicable 3 Back up contents and replace hard drive 1721 SMART SCSI Hard Drive Detects Imminent Failure None Hard drive is about to fail Some hard drives have a firmware patch that will fix an erroneous error message 1 Determine if hard drive is giving correct error message Run the Drive Protection System test available 2 Apply firmware patch if applicable 3 Back up contents and replace...

Page 68: ...1 Failure None Hard drive format error 1 Run Computer Setup F10 Setup 2 Clear CMOS 3 Check cable seating jumper settings 4 Run hard drive diagnostics 5 Disconnect additional drives 6 Run the Drive Protection System test if available 7 Replace the hard drive 1782 Disk Controller Failure None Hard drive circuitry error 1 Run Computer Setup F10 Setup 2 Clear CMOS 3 Check cable seating jumper settings...

Page 69: ...rd 1791 Disk 1 Failure None Hard drive error or wrong drive type 1 Run Computer Setup F10 Setup 2 Clear CMOS 3 Check cable seating jumper settings 4 Run hard drive diagnostics 5 Disconnect additional drives 6 Confirm drive is supported on this computer Large drive ROM support 7 Run the Drive Protection System test if available 8 Replace the hard drive 9 Replace the system board 1792 Secondary Disk...

Page 70: ... None Processor not supported by ROM Bios Upgrade Bios to proper version Audible 1L 3S System ROM is bad system is running in Failsafe Boot Block mode Reflash the ROM using a ROMPaq diskette Refer to the Failsafe Boot Block ROM section of the Software Reference Guide Audible 2S Power on successful None Flashing Caps Lock LED on Keyboard 1L 2S Graphics controller not present or incorrectly initiali...

Page 71: ...e riser board 2 Wipe connector 3 Reinstall riser board Red Power LED Blinks Every 2 or more Seconds None Power supply overloaded 1 Push in power button LED should be green 2 Remove all AC power from computer wait 30 seconds then apply power 3 Remove load from power supply by removing options one at a time until computer runs 4 Check for damage to system board 5 Replace system board 6 Replace power...

Page 72: ...ing any errors found POST checks the following assemblies to ensure that the computer system is functioning properly T Keyboard T System board T Memory modules T Video memory T Diskette drives T Hard drive T Power supply POST also detects the type of mass storage devices installed in the computer If POST finds an error in the system an error condition is indicated by an audible and or visual messa...

Page 73: ... Incorrect Drive A Type Type of diskette in drive A is not correctly identified 1 Run Setup 2 Replace the diskette drive Invalid NVRAM Media Type Problem with NVRAM CMOS access Replace the system board Keyboard Controller Error Keyboard I O keyboard controller on system board or mouse error 1 Replace the keyboard 2 Replace the mouse 3 Replace the system board Keyboard Error Keyboard I O keyboard c...

Page 74: ...hecksum Bad CMOS is corrupted or modified incorrectly Run Setup System RAM Failed at Offset nnn System RAM failed Replace memory modules System Timer Error DMA timers etc Replace the system board UMB Upper Limit Segment Address nnn Displays the address nnn of the upper limit of Upper Memory Blocks indicating released segments of the BIOS Status message No action required Video BIOS Shadowed Video ...

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