HP Compaq Business PC dc7600 Series Personal Computer Illustrated Parts Map, CMT Chassis (1st Edition)
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...Remove the access panel. 3. Allow the operating system to video) Invalid ROM based on checksum System not fetching code System hang while loading an option ROM Hard drive activity *Blinking codes are repeated after fifth iteration but LEDs continue until problem is , it . 5. Computer Setup (F10) ... Power Power Power Power Power Power Hard Drive Color Green Green Green Clear Clear Red* Red* Red* Red* Red* Red* Red* Red* Red* Green LED/Beep Activity On 1 blink every 2 seconds 1 blink every 2 seconds Off Off 2 blinks 1 second apart 3 blinks 1 second apart 4 blinks 1 second apart 5 blinks ...
...Remove the access panel. 3. Allow the operating system to video) Invalid ROM based on checksum System not fetching code System hang while loading an option ROM Hard drive activity *Blinking codes are repeated after fifth iteration but LEDs continue until problem is , it . 5. Computer Setup (F10) ... Power Power Power Power Power Power Hard Drive Color Green Green Green Clear Clear Red* Red* Red* Red* Red* Red* Red* Red* Red* Green LED/Beep Activity On 1 blink every 2 seconds 1 blink every 2 seconds Off Off 2 blinks 1 second apart 3 blinks 1 second apart 4 blinks 1 second apart 5 blinks ...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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... controller. Audio Format Mic Audio In CD Audio In Mux REC Gain ADC w/SRC Audio In Line Audio In PC Beep In REC Mux Gain Mux/Gain Line Audio Out PB Gain HP Audio Out PB Gain ADC w/SRC Audio In SDI HD Audio Interface RST# BCLK SYNC HD Audio Link Bus... and the DAC. All audio lines represent both left and right) audio. Input/Output Interfaces 5.8.3 HD Audio Codec The HD Audio Codec provides pulse code modulation (PCM) coding and decoding of audio information as well as SD OUT data and is typcially used by the Sample Rate Controllers (SRC) may be recorded...
... controller. Audio Format Mic Audio In CD Audio In Mux REC Gain ADC w/SRC Audio In Line Audio In PC Beep In REC Mux Gain Mux/Gain Line Audio Out PB Gain HP Audio Out PB Gain ADC w/SRC Audio In SDI HD Audio Interface RST# BCLK SYNC HD Audio Link Bus... and the DAC. All audio lines represent both left and right) audio. Input/Output Interfaces 5.8.3 HD Audio Codec The HD Audio Codec provides pulse code modulation (PCM) coding and decoding of audio information as well as SD OUT data and is typcially used by the Sample Rate Controllers (SRC) may be recorded...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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... speaker. None Bad option card. Technical Reference Guide www.hp.com 8-5 None Processor not installed. Install or reseat CPU. Check voltage selector (if applicable), stroage devices, expansion cards and/or system board. 5 beeps Pre-video memory error. On system with graphics card, check.../replace graphics card. 7 beeps PCA failure. Check/replace system board. 8 beeps Invalid ROM (checksum error). Check power supply, CPU, system board. BIOS ROM 8.3.4 Boot Error Codes The BIOS provides visual and audible indications of a failed system boot...
... speaker. None Bad option card. Technical Reference Guide www.hp.com 8-5 None Processor not installed. Install or reseat CPU. Check voltage selector (if applicable), stroage devices, expansion cards and/or system board. 5 beeps Pre-video memory error. On system with graphics card, check.../replace graphics card. 7 beeps PCA failure. Check/replace system board. 8 beeps Invalid ROM (checksum error). Check power supply, CPU, system board. BIOS ROM 8.3.4 Boot Error Codes The BIOS provides visual and audible indications of a failed system boot...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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... error). Beeps None None None 5 beeps 6 beeps 7 beeps 8 beeps 9 beeps None Table A-1. Install or reseat CPU. Blinks red 6 times @ 1 Hz Pre-video graphics error. Blinks red 10 times @ 1 Hz Bad option card. Not all errors listed in this appendix are applicable only for systems running HP/Compaq BIOS. ...power supply, CPU, system board. Check voltage selector (if applicable), stroage devices, expansion cards and/or system board. A.2 Beep/Power LED Codes ✎ Beep and Power LED indictions listed in Table A-1 apply only to boot. Check air flow, fan operation, and CPU heat sink...
... error). Beeps None None None 5 beeps 6 beeps 7 beeps 8 beeps 9 beeps None Table A-1. Install or reseat CPU. Blinks red 6 times @ 1 Hz Pre-video graphics error. Blinks red 10 times @ 1 Hz Bad option card. Not all errors listed in this appendix are applicable only for systems running HP/Compaq BIOS. ...power supply, CPU, system board. Check voltage selector (if applicable), stroage devices, expansion cards and/or system board. A.2 Beep/Power LED Codes ✎ Beep and Power LED indictions listed in Table A-1 apply only to boot. Check air flow, fan operation, and CPU heat sink...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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Index Numerics 8259 Mode 4-12 A Advanced Digital Display (ADD2) 6-2 APIC Mode 4-13 audible (beep) indications 4-23 audio codec 5-32 Audio Specifications 5-35 B beep indications 4-23 BIOS upgrading 8-2 boot device order 8-3 Boot Error Codes 8-5 C CMOS 4-19 CMOS, clearing 4-9 Computer Setup 8-6 configuration memory 4-19 D Direct Memory Access (DMA) 4-16 Diskette Drive Connector 5-11 ..., Setup 4-21 PATA 4-1 PCI 2.3 4-2 PCI Express 4-6 Pentium 4 processor 3-2 power states 7-7 Processor Upgrading 3-3 R Real-time clock (RTC) 4-19 ROM flashing 8-2 Technical Reference Guide www.hp.com Index-1
Index Numerics 8259 Mode 4-12 A Advanced Digital Display (ADD2) 6-2 APIC Mode 4-13 audible (beep) indications 4-23 audio codec 5-32 Audio Specifications 5-35 B beep indications 4-23 BIOS upgrading 8-2 boot device order 8-3 Boot Error Codes 8-5 C CMOS 4-19 CMOS, clearing 4-9 Computer Setup 8-6 configuration memory 4-19 D Direct Memory Access (DMA) 4-16 Diskette Drive Connector 5-11 ..., Setup 4-21 PATA 4-1 PCI 2.3 4-2 PCI Express 4-6 Pentium 4 processor 3-2 power states 7-7 Processor Upgrading 3-3 R Real-time clock (RTC) 4-19 ROM flashing 8-2 Technical Reference Guide www.hp.com Index-1
HP Compaq dx7200 and dc7600 Series Personal Computers Service Reference Card (1st Edition)
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...on power to prevent OS Security breaches. Allows selection of the ROM that contains code that automaticaly invokes system BIOS upgrade utilities. Default Setup - Applies currently selected ... 1024), heads (max. Select computer state after it is missed, a restart will beep 8 times. Insert a diskette, CD, or USB flash device containing the desired BIOS...processor cache; To recover the system after power loss; HP shall not be used by the diskette drive. Service Reference Card HP Compaq dx7200 and dc7600 Series Personal Computers © 2005 Hewlett-Packard Development ...
...on power to prevent OS Security breaches. Allows selection of the ROM that contains code that automaticaly invokes system BIOS upgrade utilities. Default Setup - Applies currently selected ... 1024), heads (max. Select computer state after it is missed, a restart will beep 8 times. Insert a diskette, CD, or USB flash device containing the desired BIOS...processor cache; To recover the system after power loss; HP shall not be used by the diskette drive. Service Reference Card HP Compaq dx7200 and dc7600 Series Personal Computers © 2005 Hewlett-Packard Development ...
Troubleshooting Guide
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If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for loose connections or incorrect connections. ... or software, see the following list of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that will help you diagnose the problem. The flashing lights are plugged into a working electrical outlet. ■ Check to see that ... on the keyboard or pressing the power button. Refer to Appendix A, "POST Error Messages" for instructions. 2-4 www.hp.com Troubleshooting Guide
If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for loose connections or incorrect connections. ... or software, see the following list of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that will help you diagnose the problem. The flashing lights are plugged into a working electrical outlet. ■ Check to see that ... on the keyboard or pressing the power button. Refer to Appendix A, "POST Error Messages" for instructions. 2-4 www.hp.com Troubleshooting Guide
Troubleshooting Guide
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...the computer. Turn on some models only.) MultiBay is hidden in the Boot Order. Troubleshooting Guide www.hp.com 2-17 Hard drive is blinking RED and if any beeps are heard. Observe if the front panel Power LED is damaged. See the Worldwide Limited Warranty for ... drive that has DriveLock security enabled. (This feature supported on the computer. Computer seems to determine possible causes for the blinking red and beep codes. Solution Enter Computer Setup and select Storage > Boot Order and ensure the bootable hard drive's controller is not already inserted. If this fails...
...the computer. Turn on some models only.) MultiBay is hidden in the Boot Order. Troubleshooting Guide www.hp.com 2-17 Hard drive is blinking RED and if any beeps are heard. Observe if the front panel Power LED is damaged. See the Worldwide Limited Warranty for ... drive that has DriveLock security enabled. (This feature supported on the computer. Computer seems to determine possible causes for the blinking red and beep codes. Solution Enter Computer Setup and select Storage > Boot Order and ensure the bootable hard drive's controller is not already inserted. If this fails...
Troubleshooting Guide
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...boards. 3. Flash the ROM if needed. 3. A-2 www.hp.com Troubleshooting Guide POST Error Messages POST Numeric Codes and Text Messages This section covers those POST errors that may be encountered during POST. ✎ The computer will beep once after a POST text message is displayed on the ...screen. Numeric Codes and Text Messages Code/Message Probable Cause 101-Option ROM Checksum Error System ROM or expansion board option ROM...
...boards. 3. Flash the ROM if needed. 3. A-2 www.hp.com Troubleshooting Guide POST Error Messages POST Numeric Codes and Text Messages This section covers those POST errors that may be encountered during POST. ✎ The computer will beep once after a POST text message is displayed on the ...screen. Numeric Codes and Text Messages Code/Message Probable Cause 101-Option ROM Checksum Error System ROM or expansion board option ROM...
Troubleshooting Guide
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...Press any key or move the mouse to RAM mode (some models only) or normal Suspend mode. Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Green Power LED flashes every two seconds. None Computer on the front panel of ...the computer and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following table are listed in the order in Suspend to wake the computer. None required. A-12 www.hp.com Troubleshooting Guide
...Press any key or move the mouse to RAM mode (some models only) or normal Suspend mode. Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Green Power LED flashes every two seconds. None Computer on the front panel of ...the computer and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following table are listed in the order in Suspend to wake the computer. None required. A-12 www.hp.com Troubleshooting Guide
Troubleshooting Guide
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... is fully/properly seated or installed. 3. Processor not installed (not an indicator of bad processor). 1. Troubleshooting Guide www.hp.com A-13 POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 2 flashes two times, once every second, followed by a two second pause. If...
... is fully/properly seated or installed. 3. Processor not installed (not an indicator of bad processor). 1. Troubleshooting Guide www.hp.com A-13 POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 2 flashes two times, once every second, followed by a two second pause. If...
Troubleshooting Guide
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...or optical drives, and expansion cards). Replace DIMMs one at a time to ensure all devices are functioning properly. 3. A-14 www.hp.com Troubleshooting Guide Replace the power supply. 4. system. 2. Continue adding devices one at a time to isolate the faulty module. ...second pause. Reseat DIMMs. Power on the error. Beeps stop after fifth iteration but LEDs continue until problem is overloaded). 1. POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four ...
...or optical drives, and expansion cards). Replace DIMMs one at a time to ensure all devices are functioning properly. 3. A-14 www.hp.com Troubleshooting Guide Replace the power supply. 4. system. 2. Continue adding devices one at a time to isolate the faulty module. ...second pause. Reseat DIMMs. Power on the error. Beeps stop after fifth iteration but LEDs continue until problem is overloaded). 1. POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four ...
Troubleshooting Guide
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... times, once every second, followed by a two second pause. POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes six times, once every second, followed by a two second pause. Reseat the... based on the system. 2. Proper voltage setting depends on 1. Replace the processor. Troubleshooting Guide www.hp.com A-15 For systems with a graphics card: error. 1. Beeps stop after fifth iteration but LEDs continue until problem is unable to located on the rear of the Desktop...
... times, once every second, followed by a two second pause. POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes six times, once every second, followed by a two second pause. Reseat the... based on the system. 2. Proper voltage setting depends on 1. Replace the processor. Troubleshooting Guide www.hp.com A-15 For systems with a graphics card: error. 1. Beeps stop after fifth iteration but LEDs continue until problem is unable to located on the rear of the Desktop...
Troubleshooting Guide
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...Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes ten times, once every second, followed by removing the card (one at a time if multiple cards), then power on the system to see if fault goes away. 2. Beeps stop after fifth ...iteration but LEDs continue until problem is identified, remove and replace the bad option card. 3. Replace the system board. Once a bad card is solved. 10 Bad option card. 1. Check each option card by a two second pause. A-16 www.hp.com Troubleshooting Guide...
...Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes ten times, once every second, followed by removing the card (one at a time if multiple cards), then power on the system to see if fault goes away. 2. Beeps stop after fifth ...iteration but LEDs continue until problem is identified, remove and replace the bad option card. 3. Replace the system board. Once a bad card is solved. 10 Bad option card. 1. Check each option card by a two second pause. A-16 www.hp.com Troubleshooting Guide...
Troubleshooting Guide
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... cables are not flashing. Check that the power button harness is turned on, then replace the power button harness. 5. Troubleshooting Guide www.hp.com A-17 Proper voltage setting depends on . If the hard drive LED does not turn on . 3. Replace the system board. Replace... the system board. POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action System does not power on and LEDs are properly connected to the system board. 4. Press and hold ...
... cables are not flashing. Check that the power button harness is turned on, then replace the power button harness. 5. Troubleshooting Guide www.hp.com A-17 Proper voltage setting depends on . If the hard drive LED does not turn on . 3. Replace the system board. Replace... the system board. POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action System does not power on and LEDs are properly connected to the system board. 4. Press and hold ...
Troubleshooting Guide
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...access panel, removing 2-7 audible codes A-12 audio problems 2-23 B battery, replacing 2-6 beep codes A-12 blank screen 2-18 ...codes A-1 F flashing LEDs A-12 front panel problems 2-41 Full Boot A-1 G general problems 2-6 H hard drive problems 2-15 hardware installation problems 2-30 helpful hints 2-4 I Insight Diagnostics 1-1 Internet access problems 2-42 K keyboard error code... A-5 solving problems 2-27 testing 2-4 L LEDs blinking power A-12 blinking PS/2 keyboard A-12 M memory error codes A-4 solving problems 2-37 monitor blank screen 2-18...
...access panel, removing 2-7 audible codes A-12 audio problems 2-23 B battery, replacing 2-6 beep codes A-12 blank screen 2-18 ...codes A-1 F flashing LEDs A-12 front panel problems 2-41 Full Boot A-1 G general problems 2-6 H hard drive problems 2-15 hardware installation problems 2-30 helpful hints 2-4 I Insight Diagnostics 1-1 Internet access problems 2-42 K keyboard error code... A-5 solving problems 2-27 testing 2-4 L LEDs blinking power A-12 blinking PS/2 keyboard A-12 M memory error codes A-4 solving problems 2-37 monitor blank screen 2-18...
Getting Started
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...in suspend mode, shut down , unplug the power cord, wait a few seconds, then 12 www.hp.com Getting Started The flashing lights are plugged into a working electrical outlet. ■ Check to see ...9632; Wake the computer by pressing any key. Refer to restart the computer. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for at least ...four seconds then press the power button again to "Interpreting Diagnostic Lights and Audible Codes" on the keyboard or pressing the power button. If the system will help you diagnose the...
...in suspend mode, shut down , unplug the power cord, wait a few seconds, then 12 www.hp.com Getting Started The flashing lights are plugged into a working electrical outlet. ■ Check to see ...9632; Wake the computer by pressing any key. Refer to restart the computer. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for at least ...four seconds then press the power button again to "Interpreting Diagnostic Lights and Audible Codes" on the keyboard or pressing the power button. If the system will help you diagnose the...
Getting Started
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...Manager to isolate the faulty module. 3. Review the documentation that does not cause a resource conflict. See "Interpreting Diagnostic Lights and Audible Codes" on page 25 to resolve the resource conflict. If you are using the correct memory modules and to determine if you still cannot ...Customer Support. Power LED flashes Red five times, once every second, followed by a two-second pause, and the computer beeps five times. Getting Started www.hp.com 23 You can also use Computer Setup to reconfigure or disable devices to determine possible causes. 3. Getting Started Solving...
...Manager to isolate the faulty module. 3. Review the documentation that does not cause a resource conflict. See "Interpreting Diagnostic Lights and Audible Codes" on page 25 to resolve the resource conflict. If you are using the correct memory modules and to determine if you still cannot ...Customer Support. Power LED flashes Red five times, once every second, followed by a two-second pause, and the computer beeps five times. Getting Started www.hp.com 23 You can also use Computer Setup to reconfigure or disable devices to determine possible causes. 3. Getting Started Solving...
Getting Started
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...any key or move the mouse to wake the computer. Getting Started www.hp.com 25 Getting Started Interpreting Diagnostic Lights and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an ...refer to the following table are listed in the order in Suspend to RAM mode (only on . Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Green Power LED None On. None Green Power LED flashes every two seconds. None Computer in which they should be ...
...any key or move the mouse to wake the computer. Getting Started www.hp.com 25 Getting Started Interpreting Diagnostic Lights and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an ...refer to the following table are listed in the order in Suspend to RAM mode (only on . Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Green Power LED None On. None Green Power LED flashes every two seconds. None Computer in which they should be ...
Getting Started
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...the problem is properly attached. 5. Ensure that the fan assembly is resolved. Contact an authorized reseller or service provider. 26 www.hp.com Getting Started Processor thermal protection activated: A fan may be blocked or not turning. If fan is plugged in and seated ... but is running. Ensure the fan is fully/properly seated or installed. 3. The beeps continue for five iterations, then stop. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 2 flashes two times, once every second, followed by...
...the problem is properly attached. 5. Ensure that the fan assembly is resolved. Contact an authorized reseller or service provider. 26 www.hp.com Getting Started Processor thermal protection activated: A fan may be blocked or not turning. If fan is plugged in and seated ... but is running. Ensure the fan is fully/properly seated or installed. 3. The beeps continue for five iterations, then stop. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 2 flashes two times, once every second, followed by...