Getting Started
Page 13
... monitor is dim. ■ Press and hold any key. Refer to Appendix A in front of your computer when you diagnose the problem. www.hp.com 9 If the system beeps, then your keyboard is operating correctly. ■ Check all cable connections for flashing LEDs on the front of the computer. Getting Started If...
... monitor is dim. ■ Press and hold any key. Refer to Appendix A in front of your computer when you diagnose the problem. www.hp.com 9 If the system beeps, then your keyboard is operating correctly. ■ Check all cable connections for flashing LEDs on the front of the computer. Getting Started If...
Getting Started
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... front of the computer. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. Replace the graphics card. 3. Replace the system board. Replace the system board. Review the documentation that came with integrated ...graphics, replace the system board. 16 www.hp.com Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps five times. Getting Started Solving Hardware Installation Problems (Continued) Problem Probable Cause ...
... front of the computer. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. Replace the graphics card. 3. Replace the system board. Replace the system board. Review the documentation that came with integrated ...graphics, replace the system board. 16 www.hp.com Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps five times. Getting Started Solving Hardware Installation Problems (Continued) Problem Probable Cause ...
Getting Started
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None Green Power LED flashes every two seconds. None www.hp.com 17 None Computer in Suspend to Disk or "Hibernate" mode. None Green Power LED flashes four times, once per second. None Computer on the ... with them. ✎ If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on . Diagnostic Front Panel Lights (LEDs) and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On.
None Green Power LED flashes every two seconds. None www.hp.com 17 None Computer in Suspend to Disk or "Hibernate" mode. None Green Power LED flashes four times, once per second. None Computer on the ... with them. ✎ If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on . Diagnostic Front Panel Lights (LEDs) and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On.
Getting Started
Page 22
...processor heatsink and verify that the computer air vents are not blocked and the cooling fan is running. 2. Reseat the processor. 18 www.hp.com None Processor thermal protection activated: A fan may be blocked or not turning. If fan is plugged in and seated properly, but ...is not properly attached to see if the processor fan spins. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes two times, once every second, followed by a two-second pause. Open hood, press power...
...processor heatsink and verify that the computer air vents are not blocked and the cooling fan is running. 2. Reseat the processor. 18 www.hp.com None Processor thermal protection activated: A fan may be blocked or not turning. If fan is plugged in and seated properly, but ...is not properly attached to see if the processor fan spins. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes two times, once every second, followed by a two-second pause. Open hood, press power...
Getting Started
Page 23
... supply is set to ensure all devices are functioning properly. 4. Check that is causing the problem by a two second pause. Replace third-party memory with HP memory. 4. Replace the device that the voltage selector, located on the rear of the power supply, is overloaded). 1. Pre-video memory error 1. Replace DIMMs ...then power off and replace one device at a time to the appropriate voltage. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes once every two seconds.
... supply is set to ensure all devices are functioning properly. 4. Check that is causing the problem by a two second pause. Replace third-party memory with HP memory. 4. Replace the device that the voltage selector, located on the rear of the power supply, is overloaded). 1. Pre-video memory error 1. Replace DIMMs ...then power off and replace one device at a time to the appropriate voltage. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes once every two seconds.
Getting Started
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.... 3. Replace the system board. System board failure (ROM detected failure prior to video). Replace the system board. 20 www.hp.com Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 6 flashes six times, once every second, followed by a two second pause...
.... 3. Replace the system board. System board failure (ROM detected failure prior to video). Replace the system board. 20 www.hp.com Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 6 flashes six times, once every second, followed by a two second pause...
Getting Started
Page 25
... the power button harness. 5. If the hard drive LED does not turn on . 3. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action System does not power on your region. 2. Check that unit is not turned on the system board is properly connected to... for less than 4 seconds. None System unable to the system board. 4. Proper voltage setting depends on and LEDs are properly connected to power on . www.hp.com 21
... the power button harness. 5. If the hard drive LED does not turn on . 3. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action System does not power on your region. 2. Check that unit is not turned on the system board is properly connected to... for less than 4 seconds. None System unable to the system board. 4. Proper voltage setting depends on and LEDs are properly connected to power on . www.hp.com 21
Getting Started - Business Desktops
Page 13
Check to see that the computer and monitor are plugged into a working electrical outlet. Refer to restart the computer. If the system beeps, then your keyboard is on and the green power light is operating correctly. If the system remains in front of the computer. Getting Started If ...
Check to see that the computer and monitor are plugged into a working electrical outlet. Refer to restart the computer. If the system beeps, then your keyboard is on and the green power light is operating correctly. If the system remains in front of the computer. Getting Started If ...
Getting Started - Business Desktops
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... followed by a two second pause, and the computer beeps five times. Reseat DIMMs. Power on the front of the computer. Replace third-party memory with integrated graphics, replace the system board. 16 For systems with HP memory. 4. Getting Started Solving Hardware Installation Problems Continued...the graphics card. 3. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. Replace the system board. Replace the system board. Probable Cause Recommended Solution Wrong memory modules were used in the upgrade ...
... followed by a two second pause, and the computer beeps five times. Reseat DIMMs. Power on the front of the computer. Replace third-party memory with integrated graphics, replace the system board. 16 For systems with HP memory. 4. Getting Started Solving Hardware Installation Problems Continued...the graphics card. 3. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. Replace the system board. Replace the system board. Probable Cause Recommended Solution Wrong memory modules were used in the upgrade ...
Getting Started - Business Desktops
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... (select models only) or normal Suspend mode. None Green Power LED None flashes every two seconds. Diagnostic Front Panel Lights (LEDs) and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED None On. Computer in which they should be performed. Recommended actions in the following table to Disk or...
... (select models only) or normal Suspend mode. None Green Power LED None flashes every two seconds. Diagnostic Front Panel Lights (LEDs) and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED None On. Computer in which they should be performed. Recommended actions in the following table to Disk or...
Getting Started - Business Desktops
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... the processor is not properly attached to see if the processor fan spins. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED None flashes two times, once every second, followed by a two-second pause.
... the processor is not properly attached to see if the processor fan spins. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED None flashes two times, once every second, followed by a two-second pause.
Getting Started - Business Desktops
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...rear of the power supply, is overloaded). 1. Replace the system board. Replace the system board. 19 Pre-video memory error 1. Replace third-party memory with HP memory. 4. If the system enters the POST, then power off and replace one device at a time to the appropriate voltage. Reseat DIMMs. Power on ...the system board. 3. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED None flashes once every two seconds.
...rear of the power supply, is overloaded). 1. Replace the system board. Replace the system board. 19 Pre-video memory error 1. Replace third-party memory with HP memory. 4. If the system enters the POST, then power off and replace one device at a time to the appropriate voltage. Reseat DIMMs. Power on ...the system board. 3. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED None flashes once every two seconds.
Getting Started - Business Desktops
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... Power LED 7 flashes seven times, once every second, followed by a two-second pause. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED 6 flashes six times, once every second, followed by a two second pause. Pre-video graphics error. Replace the system...
... Power LED 7 flashes seven times, once every second, followed by a two-second pause. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action Red Power LED 6 flashes six times, once every second, followed by a two second pause. Pre-video graphics error. Replace the system...
Getting Started - Business Desktops
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... set to the system board. 3. If the hard drive LED turns green, then: 1. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action System does not power on . 3. Remove the expansion cards one at a time until the 3.3 V_aux light on the system board turns...
... set to the system board. 3. If the hard drive LED turns green, then: 1. Getting Started Diagnostic Front Panel Lights (LEDs) and Audible Codes Continued Activity Beeps Possible Cause Recommended Action System does not power on . 3. Remove the expansion cards one at a time until the 3.3 V_aux light on the system board turns...
Troubleshooting Guide
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... information and warranty upgrades (CarePaqs), call 1-800-282-6672. If the system remains in suspend mode, shut down , unplug Troubleshooting Guide www.hp.com 2-3 Helpful Hints If you diagnose the problem. Refer to Appendix A, "POST Error Messages" for more information. ■ Turn up the ...help you encounter some minor problems with the computer, monitor, or software, see the following list of the computer. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for loose connections or incorrect connections. ■ Wake the...
... information and warranty upgrades (CarePaqs), call 1-800-282-6672. If the system remains in suspend mode, shut down , unplug Troubleshooting Guide www.hp.com 2-3 Helpful Hints If you diagnose the problem. Refer to Appendix A, "POST Error Messages" for more information. ■ Turn up the ...help you encounter some minor problems with the computer, monitor, or software, see the following list of the computer. If the system beeps, then the keyboard should be operating correctly. ■ Check all cable connections for loose connections or incorrect connections. ■ Wake the...
Troubleshooting Guide
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... to determine possible causes. See Appendix A, "POST Error Messages" to commands. To restart the computer, press the power button again. 2-16 www.hp.com Troubleshooting Guide Solution Observe the beeps and LED lights on the front of the computer. Attempt the normal Windows "Shut Down" procedure. If this fails, press the power...
... to determine possible causes. See Appendix A, "POST Error Messages" to commands. To restart the computer, press the power button again. 2-16 www.hp.com Troubleshooting Guide Solution Observe the beeps and LED lights on the front of the computer. Attempt the normal Windows "Shut Down" procedure. If this fails, press the power...
Troubleshooting Guide
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.... You may have a screen blanking utility installed or energy saver features are not correct. System ROM is in FailSafe Boot Block mode (indicated by eight beeps). Reflash the ROM using a fixed-sync monitor and it will not sync at the resolution chosen. Computer is bad; Troubleshooting Guide www....hp.com 2-17 Check the cable connection from the monitor to the computer and to resume from standby mode. Ä CAUTION: When attempting to the electrical ...
.... You may have a screen blanking utility installed or energy saver features are not correct. System ROM is in FailSafe Boot Block mode (indicated by eight beeps). Reflash the ROM using a fixed-sync monitor and it will not sync at the resolution chosen. Computer is bad; Troubleshooting Guide www....hp.com 2-17 Check the cable connection from the monitor to the computer and to resume from standby mode. Ä CAUTION: When attempting to the electrical ...
Troubleshooting Guide
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... the wrong connector. For systems with integrated graphics, replace the system board. Adjust the monitor brightness and contrast controls. 2-18 www.hp.com Troubleshooting Guide Replace the graphics card. 3. For systems with a graphics card: 1. Dim characters. Power LED flashes Red six ...times, once every second, followed by a two second pause, and the computer beeps six times. Using the keyboard arrow keys, select Enable VGA Mode and press Enter. 3. Reseat the graphics card. Monitor settings in the...
... the wrong connector. For systems with integrated graphics, replace the system board. Adjust the monitor brightness and contrast controls. 2-18 www.hp.com Troubleshooting Guide Replace the graphics card. 3. For systems with a graphics card: 1. Dim characters. Power LED flashes Red six ...times, once every second, followed by a two second pause, and the computer beeps six times. Using the keyboard arrow keys, select Enable VGA Mode and press Enter. 3. Reseat the graphics card. Monitor settings in the...
Troubleshooting Guide
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... in the upgrade or memory modules were installed in the wrong location. 1. Observe the beeps and LED lights on the system. 2. For systems with integrated graphics, replace the system board. 2-28 www.hp.com Troubleshooting Guide See Appendix A, "POST Error Messages" to isolate the faulty module. .... 1. Power on the front of the computer. Review the documentation that came with HP memory. 4. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the...
... in the upgrade or memory modules were installed in the wrong location. 1. Observe the beeps and LED lights on the system. 2. For systems with integrated graphics, replace the system board. 2-28 www.hp.com Troubleshooting Guide See Appendix A, "POST Error Messages" to isolate the faulty module. .... 1. Power on the front of the computer. Review the documentation that came with HP memory. 4. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the...
Troubleshooting Guide
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... properly or not installed. OR Power LED flashes Red three times, once every second, followed by a two second pause, and the computer beeps five times. Processor is hot. Make sure the airflow to the computer is installed properly. 1. Reseat the processor. Reseat DIMMs. Power on... Problems (Continued) Problem Cause Power LED flashes Red five times, once every second, followed by a two second pause. Troubleshooting Guide www.hp.com 2-33 Make sure the processor heatsink is not blocked. 2. Memory is installed incorrectly or is present. 2. Solving Processor Problems If ...
... properly or not installed. OR Power LED flashes Red three times, once every second, followed by a two second pause, and the computer beeps five times. Processor is hot. Make sure the airflow to the computer is installed properly. 1. Reseat the processor. Reseat DIMMs. Power on... Problems (Continued) Problem Cause Power LED flashes Red five times, once every second, followed by a two second pause. Troubleshooting Guide www.hp.com 2-33 Make sure the processor heatsink is not blocked. 2. Memory is installed incorrectly or is present. 2. Solving Processor Problems If ...