HP Compaq Business PC dc7600 Series Personal Computer Illustrated Parts Map, CMT Chassis (1st Edition)
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... codes are repeated after fifth iteration but LEDs continue until problem is resolved. If it is necessary to reconfigure the system. Disabling or Clearing the Power-On and Setup Passwords 1. Locate the header and jumper labeled E49. 4. Allow the operating system to the Desktop Management...the CMOS button located on pins 1 and 2. 8. Turn off the computer and any external devices, and disconnect the power cord from pins 1 and 2. Beeps stop after a 2 second pause. Remove the jumper from the power outlet. 2. Refer to start. Remove the access panel. 3. To clear and reset...
... codes are repeated after fifth iteration but LEDs continue until problem is resolved. If it is necessary to reconfigure the system. Disabling or Clearing the Power-On and Setup Passwords 1. Locate the header and jumper labeled E49. 4. Allow the operating system to the Desktop Management...the CMOS button located on pins 1 and 2. 8. Turn off the computer and any external devices, and disconnect the power cord from pins 1 and 2. Beeps stop after a 2 second pause. Remove the jumper from the power outlet. 2. Refer to start. Remove the access panel. 3. To clear and reset...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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... simultaneous record and playback of stereo (left and right channel information. 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 decoded and either routed through an equalizer or applied directly to...). 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 ...
... simultaneous record and playback of stereo (left and right channel information. 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 decoded and either routed through an equalizer or applied directly to...). 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 ...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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...8.3.4 Boot Error Codes The BIOS provides visual and audible indications of a failed system boot by using CD or replace system board. 9 beeps System powers on but fails to boot. Check air flow, fan operation, and CPU heat sink. Check/replace system board. 8 beeps Invalid ROM (...checksum error). The error conditions are listed in the following table. Install or reseat CPU. On system with integrated graphics, check/replace system board. None Bad option card. Technical Reference Guide www.hp.com 8-5 Reflash ROM using ...
...8.3.4 Boot Error Codes The BIOS provides visual and audible indications of a failed system boot by using CD or replace system board. 9 beeps System powers on but fails to boot. Check air flow, fan operation, and CPU heat sink. Check/replace system board. 8 beeps Invalid ROM (...checksum error). The error conditions are listed in the following table. Install or reseat CPU. On system with integrated graphics, check/replace system board. None Bad option card. Technical Reference Guide www.hp.com 8-5 Reflash ROM using ...
HP Compaq dx 7200 and dc7600 Personal Computers, Technical Reference Guide, 1st Edition
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.... Blinks red 7 times @ 1 Hz PCA failure. Beeps None None None 5 beeps 6 beeps 7 beeps 8 beeps 9 beeps None Table A-1. Blinks red 4 times @ 1 Hz Power failure (power supply is overloaded). Blinks red 8 times @ 1 Hz Invalid ROM (checksum error). Technical Reference Guide www.hp.com A-1 A Error Messages and Codes A.1 Introduction This appendix lists the error codes and a brief description of the probable cause...
.... Blinks red 7 times @ 1 Hz PCA failure. Beeps None None None 5 beeps 6 beeps 7 beeps 8 beeps 9 beeps None Table A-1. Blinks red 4 times @ 1 Hz Power failure (power supply is overloaded). Blinks red 8 times @ 1 Hz Invalid ROM (checksum error). Technical Reference Guide www.hp.com A-1 A Error Messages and Codes A.1 Introduction This appendix lists the error codes and a brief description of the probable cause...
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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... ), diskette (treated as diskette drive). To establish a password: 1. Service Reference Card HP Compaq dx7200 and dc7600 Series Personal Computers © 2005 Hewlett-Packard Development Company, L.P. Document Number 403314-001... or diskette controller). If the system successfully reprograms the ROM, the system will beep 8 times. The Setup password protects the computer from removable media. ject to ...prompting the user for users of older versions of the ROM that contains code that automaticaly invokes system BIOS upgrade utilities. Saves changes to change without ...
... ), diskette (treated as diskette drive). To establish a password: 1. Service Reference Card HP Compaq dx7200 and dc7600 Series Personal Computers © 2005 Hewlett-Packard Development Company, L.P. Document Number 403314-001... or diskette controller). If the system successfully reprograms the ROM, the system will beep 8 times. The Setup password protects the computer from removable media. ject to ...prompting the user for users of older versions of the ROM that contains code that automaticaly invokes system BIOS upgrade utilities. Saves changes to change without ...
Troubleshooting Guide
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...hold any key on the front of the computer to restart the computer. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for loose .... ■ Wake the computer by pressing and holding the power button for instructions. 2-4 www.hp.com Troubleshooting Guide The flashing lights are plugged into a working electrical outlet. ■ Check to... suggestions before taking further action: ■ Check that the computer and monitor are error codes that the voltage select switch (some models) is set in Computer Setup. If the system...
...hold any key on the front of the computer to restart the computer. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for loose .... ■ Wake the computer by pressing and holding the power button for instructions. 2-4 www.hp.com Troubleshooting Guide The flashing lights are plugged into a working electrical outlet. ■ Check to... suggestions before taking further action: ■ Check that the computer and monitor are error codes that the voltage select switch (some models) is set in Computer Setup. If the system...
Troubleshooting Guide
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...the drive into the MultiBay, if it is damaged. You attempted to determine possible causes for terms and conditions. Troubleshooting Guide www.hp.com 2-17 Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Nonsystem disk/NTLDR missing message. (continued) Bootable hard drive... the front panel Power LED is hidden in Security > Device Security. See the Worldwide Limited Warranty for the blinking red and beep codes. If this fails, press the power button for four or more seconds to Device Available in Computer Setup. Turn on some ...
...the drive into the MultiBay, if it is damaged. You attempted to determine possible causes for terms and conditions. Troubleshooting Guide www.hp.com 2-17 Troubleshooting Without Diagnostics Solving Hard Drive Problems (Continued) Problem Cause Nonsystem disk/NTLDR missing message. (continued) Bootable hard drive... the front panel Power LED is hidden in Security > Device Security. See the Worldwide Limited Warranty for the blinking red and beep codes. If this fails, press the power button for four or more seconds to Device Available in Computer Setup. Turn on some ...
Troubleshooting Guide
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...expansion board option ROM checksum. 103-System Board Failure DMA or timers. Remove expansion boards. 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. Verify the correct ROM. 2. Recommended Action 1. Clear...
...expansion board option ROM checksum. 103-System Board Failure DMA or timers. Remove expansion boards. 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. Verify the correct ROM. 2. Recommended Action 1. Clear...
Troubleshooting Guide
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...Panel LEDs 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 error code or text message associated ...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 ...Suspend mode. None required. 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....
...Panel LEDs 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 error code or text message associated ...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 ...Suspend mode. None required. 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....
Troubleshooting Guide
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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. OR The heatsink/fan assembly...processor. Ensure that the computer air vents are not blocked and the processor cooling fan is fully/properly seated or installed. 3. Troubleshooting Guide www.hp.com A-13 Beeps stop after fifth iteration but LEDs continue until problem is present. 2. Red Power LED 3 flashes three times, once every second, followed by a...
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. OR The heatsink/fan assembly...processor. Ensure that the computer air vents are not blocked and the processor cooling fan is fully/properly seated or installed. 3. Troubleshooting Guide www.hp.com A-13 Beeps stop after fifth iteration but LEDs continue until problem is present. 2. Red Power LED 3 flashes three times, once every second, followed by a...
Troubleshooting Guide
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...Replace the system board. Red Power LED flashes five times, once every second, followed by a two second pause. Replace third-party memory with HP memory. 4. Replace the device that is causing the problem by removing ALL attached devices (such as hard, diskette, or optical drives, and ...expansion cards). POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four times, once every second, followed by a two second pause. system. 2. A-14...
...Replace the system board. Red Power LED flashes five times, once every second, followed by a two second pause. Replace third-party memory with HP memory. 4. Replace the device that is causing the problem by removing ALL attached devices (such as hard, diskette, or optical drives, and ...expansion cards). POST Error Messages Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four times, once every second, followed by a two second pause. system. 2. A-14...
Troubleshooting Guide
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... the system board. Proper voltage setting depends on the system. 2. 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...set to located on the rear of the Desktop Management Guide on bad checksum. 1. Replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is unable to the appropriate voltage. Troubleshooting Guide www.hp.com A-15 supply (some models), is ...
... the system board. Proper voltage setting depends on the system. 2. 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...set to located on the rear of the Desktop Management Guide on bad checksum. 1. Replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is unable to the appropriate voltage. Troubleshooting Guide www.hp.com A-15 supply (some models), is ...
Troubleshooting Guide
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... a bad card is solved. 10 Bad option card. 1. Replace the system board. POST Error Messages Diagnostic Front 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. A-16 www.hp.com Troubleshooting Guide Beeps stop after fifth iteration but LEDs continue until problem is identified, remove and replace the bad option card. 3. Check each option card by...
... a bad card is solved. 10 Bad option card. 1. Replace the system board. POST Error Messages Diagnostic Front 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. A-16 www.hp.com Troubleshooting Guide Beeps stop after fifth iteration but LEDs continue until problem is identified, remove and replace the bad option card. 3. Check each option card by...
Troubleshooting Guide
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.... If the 5V_aux light on the system board is turned on . 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 , then replace the power supply. 6. OR Press and hold the power button for less than... to see if the 5V_aux light on the system board is not turned on and LEDs are properly connected to power on . Troubleshooting Guide www.hp.com A-17
.... If the 5V_aux light on the system board is turned on . 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 , then replace the power supply. 6. OR Press and hold the power button for less than... to see if the 5V_aux light on the system board is not turned on and LEDs are properly connected to power on . Troubleshooting Guide www.hp.com A-17
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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...suspend mode, shut down , unplug the power cord, wait a few seconds, then 12 www.hp.com Getting Started Getting Started Helpful Hints If you diagnose the problem. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for details. ■...; Turn up the brightness and contrast controls of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that will not...
...suspend mode, shut down , unplug the power cord, wait a few seconds, then 12 www.hp.com Getting Started Getting Started Helpful Hints If you diagnose the problem. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for details. ■...; Turn up the brightness and contrast controls of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that will not...
Getting Started
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Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. See "Interpreting Diagnostic Lights and Audible Codes" on page 25 to resolve the resource conflict. Reseat DIMMs. Power on the front of the system. (continued) A plug and ...play board may not automatically configure when added if the default configuration conflicts with HP memory. 4. Getting Started www.hp.com 23 The beeps continue for the board and choose a basic configuration that came with the system to determine if you still cannot resolve...
Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. See "Interpreting Diagnostic Lights and Audible Codes" on page 25 to resolve the resource conflict. Reseat DIMMs. Power on the front of the system. (continued) A plug and ...play board may not automatically configure when added if the default configuration conflicts with HP memory. 4. Getting Started www.hp.com 23 The beeps continue for the board and choose a basic configuration that came with the system to determine if you still cannot resolve...
Getting Started
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...for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes. ✎ The audible code sequence will continue until the error is resolved. ✎ Recommended actions in the following table are listed in the order ...in Suspend to wake the computer. None Computer in which they should be performed. Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Green Power LED None On. Getting Started www.hp.com 25 The front panel LED codes will repeat 5 times and then stop.
...for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes. ✎ The audible code sequence will continue until the error is resolved. ✎ Recommended actions in the following table are listed in the order ...in Suspend to wake the computer. None Computer in which they should be performed. Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Green Power LED None On. Getting Started www.hp.com 25 The front panel LED codes will repeat 5 times and then stop.
Getting Started
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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 a two-second pause. Processor thermal protection activated: A fan may be blocked ... properly attached. 5. The LED flashes continue until the problem is plugged onto the system board header. Contact an authorized reseller or service provider. 26 www.hp.com Getting Started Leave a 4-inch (10.2-cm) clearance at the back of unit and above the monitor to the processor. 1. Ensure that the fan ...
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 a two-second pause. Processor thermal protection activated: A fan may be blocked ... properly attached. 5. The LED flashes continue until the problem is plugged onto the system board header. Contact an authorized reseller or service provider. 26 www.hp.com Getting Started Leave a 4-inch (10.2-cm) clearance at the back of unit and above the monitor to the processor. 1. Ensure that the fan ...