HP Business Desktop BIOS
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... can receive alerts for the following failures: HP BIOS Diagnostic Codes Problem Computer Reaction Processor Thermal Protection Activated Power LED blinks RED 2 times, one every second, followed by a 2-second pause. Also 7 simultaneous beeps will be heard. Networked computers using HP Client Manager Software (see http://h18019.www1.hp.com/im/?jumpid=re_R2515_VAcontent/PSG/en_intelligentmanageability for...
... can receive alerts for the following failures: HP BIOS Diagnostic Codes Problem Computer Reaction Processor Thermal Protection Activated Power LED blinks RED 2 times, one every second, followed by a 2-second pause. Also 7 simultaneous beeps will be heard. Networked computers using HP Client Manager Software (see http://h18019.www1.hp.com/im/?jumpid=re_R2515_VAcontent/PSG/en_intelligentmanageability for...
Getting Started
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Getting Started Helpful Hints If you diagnose the problem. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable ... list of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that the monitor is turned on and the green monitor light is on. ■ Check the power ... any key. Refer to "Interpreting Diagnostic Lights and Audible Codes" on page 23 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 ...
Getting Started Helpful Hints If you diagnose the problem. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable ... list of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that the monitor is turned on and the green monitor light is on. ■ Check the power ... any key. Refer to "Interpreting Diagnostic Lights and Audible Codes" on page 23 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 ...
Getting Started
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... 4. Reseat DIMMs. Power on page 23 to determine if you still cannot resolve the issue, contact Customer Support. Getting Started www.hp.com 21 Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. The LED flashes.... Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. Replace the system board. See "Interpreting Diagnostic Lights and Audible Codes" on the system. 2. If you are using the correct memory modules and to deselect the automatic settings for ...
... 4. Reseat DIMMs. Power on page 23 to determine if you still cannot resolve the issue, contact Customer Support. Getting Started www.hp.com 21 Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. The LED flashes.... Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. Replace the system board. See "Interpreting Diagnostic Lights and Audible Codes" on the system. 2. If you are using the correct memory modules and to deselect the automatic settings for ...
Getting Started
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...hp.com 23 Computer on some models) or normal Suspend mode. None Green Power LED flashes every two seconds. None Computer in which they should be performed. Press any key or move the mouse to RAM mode (only on . 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 error code... and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following table are listed in the order...
...hp.com 23 Computer on some models) or normal Suspend mode. None Green Power LED flashes every two seconds. None Computer in which they should be performed. Press any key or move the mouse to RAM mode (only on . 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 error code... and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following table are listed in the order...
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 ...see if the processor fan spins. Ensure the fan is not spinning, then replace processor fan. 4. The beeps continue for this activity. Ensure that the fan assembly is properly attached. 5. Reseat processor heatsink and verify ...to permit required airflow. 2. Contact an authorized reseller or service provider. 24 www.hp.com Getting Started Leave a 4-inch (10.2-cm) clearance at the back of unit and above the monitor ...
Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 2 flashes two times, once ...see if the processor fan spins. Ensure the fan is not spinning, then replace processor fan. 4. The beeps continue for this activity. Ensure that the fan assembly is properly attached. 5. Reseat processor heatsink and verify ...to permit required airflow. 2. Contact an authorized reseller or service provider. 24 www.hp.com Getting Started Leave a 4-inch (10.2-cm) clearance at the back of unit and above the monitor ...
Getting Started
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Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 3 flashes three times, once every second, followed by a two second pause. The LED flashes continue until the problem is not seated properly or not installed (not an indicator of bad processor). 1. Processor is resolved. ✎ Beeps may not occur on all models for five iterations, then stop. Getting Started www.hp.com 25 The beeps continue for this activity. Reseat the processor. Check to see that the processor is present. 2.
Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 3 flashes three times, once every second, followed by a two second pause. The LED flashes continue until the problem is not seated properly or not installed (not an indicator of bad processor). 1. Processor is resolved. ✎ Beeps may not occur on all models for five iterations, then stop. Getting Started www.hp.com 25 The beeps continue for this activity. Reseat the processor. Check to see that the processor is present. 2.
Getting Started
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... for this procedure until the problem is resolved. ✎ Beeps may not occur on all devices are functioning properly. 3. Open the hood and ensure the 4-wire power supply cable is causing the problem by a two ... continue until failure occurs. Replace the power supply. 4. Replace the system board. 26 www.hp.com Getting Started Power failure (power supply is causing the failure. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 4 flashes four times, once every second, followed by removing...
... for this procedure until the problem is resolved. ✎ Beeps may not occur on all devices are functioning properly. 3. Open the hood and ensure the 4-wire power supply cable is causing the problem by a two ... continue until failure occurs. Replace the power supply. 4. Replace the system board. 26 www.hp.com Getting Started Power failure (power supply is causing the failure. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 4 flashes four times, once every second, followed by removing...
Getting Started
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... Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 5 flashes five times, once every second, followed by a two second pause. Reseat DIMMs. Power on the system. 2. Replace the graphics card. 3. Getting Started www.hp.com 27 Replace DIMMs one... Red Power LED 6 flashes six times, once every second, followed by a two second pause. For systems with HP memory. 4. Reseat the graphics card. The beeps continue for five iterations, then stop . Pre-video memory error 1. The LED flashes continue until the problem is ...
... Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 5 flashes five times, once every second, followed by a two second pause. Reseat DIMMs. Power on the system. 2. Replace the graphics card. 3. Getting Started www.hp.com 27 Replace DIMMs one... Red Power LED 6 flashes six times, once every second, followed by a two second pause. For systems with HP memory. 4. Reseat the graphics card. The beeps continue for five iterations, then stop . Pre-video memory error 1. The LED flashes continue until the problem is ...
Getting Started
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.... Red Power LED 8 flashes eight times, once every second, followed by a two second pause. Replace the system board. 28 www.hp.com Getting Started System board failure (ROM detected failure prior to video). The LED flashes continue until the problem is resolved. See the ...Invalid ROM based on the Documentation CD. 2. Reflash the ROM using a ROMPaq diskette. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 7 flashes seven times, once every second, followed by a two second pause. The...
.... Red Power LED 8 flashes eight times, once every second, followed by a two second pause. Replace the system board. 28 www.hp.com Getting Started System board failure (ROM detected failure prior to video). The LED flashes continue until the problem is resolved. See the ...Invalid ROM based on the Documentation CD. 2. Reflash the ROM using a ROMPaq diskette. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 7 flashes seven times, once every second, followed by a two second pause. The...
Getting Started
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... system board. Check that the voltage selector, located on the system to boot. 1. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 9 flashes nine times, once every second, followed by a two second pause. Once a bad ...card is set to the appropriate voltage. Getting Started www.hp.com 29 Red Power LED 10 flashes ten times, once every second, ...
... system board. Check that the voltage selector, located on the system to boot. 1. Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action Red Power LED 9 flashes nine times, once every second, followed by a two second pause. Once a bad ...card is set to the appropriate voltage. Getting Started www.hp.com 29 Red Power LED 10 flashes ten times, once every second, ...
Getting Started
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Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action System does not power on . 3. Check that the voltage selector, located on the rear of the power supply, is set to power ... turns on and LEDs are not flashing. Proper voltage setting depends on . None System unable to the appropriate voltage. Replace the system board. 30 www.hp.com Getting Started If the hard drive LED turns green, then: 1. Press and hold the power button for less than 4 seconds.
Getting Started Diagnostic Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action System does not power on . 3. Check that the voltage selector, located on the rear of the power supply, is set to power ... turns on and LEDs are not flashing. Proper voltage setting depends on . None System unable to the appropriate voltage. Replace the system board. 30 www.hp.com Getting Started If the hard drive LED turns green, then: 1. Press and hold the power button for less than 4 seconds.
Getting Started
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... Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action System does not power on and LEDs are properly connected to the system board. 4. Check to the system board. 3. If the 5V_aux light on the system board is turned on green then: 1. Getting Started www.hp.com 31 Check that both...
... Front Panel LEDs and Audible Codes Activity Possible Beeps Cause Recommended Action System does not power on and LEDs are properly connected to the system board. 4. Check to the system board. 3. If the 5V_aux light on the system board is turned on green then: 1. Getting Started www.hp.com 31 Check that both...
HP Compaq dx6100 and dc7100 Series Personal Computers Service Reference Card, 2nd Edition
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...turned off , then on to reboot. *Diagnostic lights do not flash on USB keyboards POST Diagnostic Front Panel LEDs and Audible Codes Power LED # Beeps Event Steady green None System on . Adapter Failure Reseat the graphics card (if applicable). Press Enter. If you are depressed...Cover [2] Allows you enter Computer Setup. Notifies system administrator. If an expansion card was recently added, remove it and see www.hp.com/support) Back up contents and replace hard drive. Network Service Boot Enables/disables the computer's ability to enable/disable the Cover...
...turned off , then on to reboot. *Diagnostic lights do not flash on USB keyboards POST Diagnostic Front Panel LEDs and Audible Codes Power LED # Beeps Event Steady green None System on . Adapter Failure Reseat the graphics card (if applicable). Press Enter. If you are depressed...Cover [2] Allows you enter Computer Setup. Notifies system administrator. If an expansion card was recently added, remove it and see www.hp.com/support) Back up contents and replace hard drive. Network Service Boot Enables/disables the computer's ability to enable/disable the Cover...
Troubleshooting Guide
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If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections ... Diagnostics Helpful Hints If you diagnose the problem. Refer to Appendix A, "POST Error Messages" for instructions. 2-4 www.hp.com Troubleshooting Guide The flashing lights are plugged into a working electrical outlet. ■ Check to see that will help... following list of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that the monitor is turned on and the green monitor light is on. ■ Check the Power LED on...
If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections ... Diagnostics Helpful Hints If you diagnose the problem. Refer to Appendix A, "POST Error Messages" for instructions. 2-4 www.hp.com Troubleshooting Guide The flashing lights are plugged into a working electrical outlet. ■ Check to see that will help... following list of general suggestions before taking further action: ■ Check that the computer and monitor are error codes that the monitor is turned on and the green monitor light is on. ■ Check the Power LED on...
Troubleshooting Guide
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...in use has stopped responding to be locked up. See the Worldwide Limited Warranty for the blinking red and beep codes. Turn on select models only.) MultiBay is blinking RED and if any beeps are using an 80-conductor cable. Computer seems to commands. See Appendix A, "POST Error Messages" to...restart the computer, press the power button again. Observe if the front panel Power LED is hidden in Security > Device Security. 2-18 www.hp.com Troubleshooting Guide Insert the drive into the MultiBay, if it is damaged. You are heard. You attempted to Device Available in Computer Setup....
...in use has stopped responding to be locked up. See the Worldwide Limited Warranty for the blinking red and beep codes. Turn on select models only.) MultiBay is blinking RED and if any beeps are using an 80-conductor cable. Computer seems to commands. See Appendix A, "POST Error Messages" to...restart the computer, press the power button again. Observe if the front panel Power LED is hidden in Security > Device Security. 2-18 www.hp.com Troubleshooting Guide Insert the drive into the MultiBay, if it is damaged. You are heard. You attempted to Device Available in Computer Setup....
Troubleshooting Guide
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...beep once after a POST text message is displayed on the screen. Recommended Action 1. Flash the ROM if needed. 3. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 2. If an expansion board was recently added, remove it to see if the problem remains. 4. A-2 www.hp.com Troubleshooting Guide Numeric Codes... and Text Messages Code/Message Probable Cause 101-Option ROM Checksum Error System ROM or expansion board option ROM checksum....
...beep once after a POST text message is displayed on the screen. Recommended Action 1. Flash the ROM if needed. 3. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 2. If an expansion board was recently added, remove it to see if the problem remains. 4. A-2 www.hp.com Troubleshooting Guide Numeric Codes... and Text Messages Code/Message Probable Cause 101-Option ROM Checksum Error System ROM or expansion board option ROM checksum....
Troubleshooting Guide
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... any key or move the mouse to RAM mode (select models only) or normal Suspend mode. Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer in which they should be performed. None Computer on the front panel of...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. A-14 www.hp.com Troubleshooting Guide None required. POST Error Messages POST Diagnostic Front Panel ...
... any key or move the mouse to RAM mode (select models only) or normal Suspend mode. Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer in which they should be performed. None Computer on the front panel of...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. A-14 www.hp.com Troubleshooting Guide None required. POST Error Messages POST Diagnostic Front Panel ...
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. Open hood, ...press power button, and see that the processor is plugged onto the system board header. Processor not installed (not an indicator of bad processor). 1. Reseat the processor. Troubleshooting Guide www.hp...
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. Open hood, ...press power button, and see that the processor is plugged onto the system board header. Processor not installed (not an indicator of bad processor). 1. Reseat the processor. Troubleshooting Guide www.hp...
Troubleshooting Guide
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...3. Red Power LED flashes six times, once every second, followed by a two second pause. 6 Pre-video graphics For systems with HP memory. 4. If the system enters the POST, then power off and replace one at a time and repeat this procedure until failure ... the system. 2. Replace the graphics card. 3. A-16 www.hp.com Troubleshooting Guide Replace third-party memory with a graphics card: error. 1. 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...
...3. Red Power LED flashes six times, once every second, followed by a two second pause. 6 Pre-video graphics For systems with HP memory. 4. If the system enters the POST, then power off and replace one at a time and repeat this procedure until failure ... the system. 2. Replace the graphics card. 3. A-16 www.hp.com Troubleshooting Guide Replace third-party memory with a graphics card: error. 1. 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...
Troubleshooting Guide
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... audio output D-1 audio problems 2-24 B battery, replacing 2-6 beep codes A-14 blank screen 2-19 booting options Full Boot A-1 Quick Boot A-1 C CD-ROM or DVD problems 2-39 CMOS backing up B-1 button B-1, B-3 ... installing 1-3 menu bar 1-5 overview 1-1 running tests 1-6 tool bar 1-5 Index diskette problems 2-12 Drive Key problems 2-41 Drive Protection System (DPS) accessing C-2 overview C-1 E error codes A-1 F flashing LEDs A-14 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 Internet access problems 2-41 J jumper settings...
... audio output D-1 audio problems 2-24 B battery, replacing 2-6 beep codes A-14 blank screen 2-19 booting options Full Boot A-1 Quick Boot A-1 C CD-ROM or DVD problems 2-39 CMOS backing up B-1 button B-1, B-3 ... installing 1-3 menu bar 1-5 overview 1-1 running tests 1-6 tool bar 1-5 Index diskette problems 2-12 Drive Key problems 2-41 Drive Protection System (DPS) accessing C-2 overview C-1 E error codes A-1 F flashing LEDs A-14 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 Internet access problems 2-41 J jumper settings...