Getting Started
Page 20
... third-party memory with the system to verify the proper installation. 2. Reseat the graphics card. Observe the beeps and LED lights on the system. 2. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. For systems with... integrated graphics, replace the system board. 16 www.hp.com Replace the system board. Memory is installed incorrectly or is ...
... third-party memory with the system to verify the proper installation. 2. Reseat the graphics card. Observe the beeps and LED lights on the system. 2. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. For systems with... integrated graphics, replace the system board. 16 www.hp.com Replace the system board. Memory is installed incorrectly or is ...
Getting Started
Page 22
Open hood, press power button, and see that the processor is present. 2. Red Power LED stays on. None Processor not installed (not an indicator of bad processor). 1. Reseat processor heatsink and verify that the computer air vents are ... fan is not properly attached to see if the processor fan spins. Reseat the processor. 18 www.hp.com 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. Ensure the fan...
Open hood, press power button, and see that the processor is present. 2. Red Power LED stays on. None Processor not installed (not an indicator of bad processor). 1. Reseat processor heatsink and verify that the computer air vents are ... fan is not properly attached to see if the processor fan spins. Reseat the processor. 18 www.hp.com 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. Ensure the fan...
Getting Started
Page 23
...causing the problem by a two second pause. Continue adding devices one at a time and repeat this procedure, until failure occurs. Red Power LED 5 flashes five times, once every second, followed by removing ALL attached devices (such as hard, diskette, or optical ...hp.com 19 Replace the device that the voltage selector, located on the system. Pre-video memory error 1. Replace DIMMs 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...
...causing the problem by a two second pause. Continue adding devices one at a time and repeat this procedure, until failure occurs. Red Power LED 5 flashes five times, once every second, followed by removing ALL attached devices (such as hard, diskette, or optical ...hp.com 19 Replace the device that the voltage selector, located on the system. Pre-video memory error 1. Replace DIMMs 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...
Getting Started
Page 24
... system board. See the "ROM Flash" section of the Desktop Management Guide on bad checksum. 1. Replace the system board. 20 www.hp.com Power on the system. 2. 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...
... system board. See the "ROM Flash" section of the Desktop Management Guide on bad checksum. 1. Replace the system board. 20 www.hp.com Power on the system. 2. 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...
Getting Started - Business Desktops
Page 20
..., replace the system board. 16 Reseat the graphics card. For systems with HP memory. 4. Video card is not seated For systems with the system to verify the proper installation. 2. Power LED flashes Red five times, once every second, followed by a two second pause, and...DIMMs one at a time to determine possible causes. 3. Reseat DIMMs. Power on the front of the computer. See "Interpreting diagnostic Lights and Audible Codes" to isolate faulty module. 3. Getting Started Solving Hardware Installation Problems Continued Problem Computer will not start. Observe the beeps...
..., replace the system board. 16 Reseat the graphics card. For systems with HP memory. 4. Video card is not seated For systems with the system to verify the proper installation. 2. Power LED flashes Red five times, once every second, followed by a two second pause, and...DIMMs one at a time to determine possible causes. 3. Reseat DIMMs. Power on the front of the computer. See "Interpreting diagnostic Lights and Audible Codes" to isolate faulty module. 3. Getting Started Solving Hardware Installation Problems Continued Problem Computer will not start. Observe the beeps...
Getting Started - Business Desktops
Page 22
... LED stays on. None Processor not installed (not an indicator of bad processor). 1. 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. Processor thermal protection activated: A fan may be...
... LED stays on. None Processor not installed (not an indicator of bad processor). 1. 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. Processor thermal protection activated: A fan may be...
Getting Started - Business Desktops
Page 23
...Pre-video memory error 1. Replace DIMMs one device at a time and repeat this procedure, until failure occurs. Replace third-party memory with HP memory. 4. Replace the device that the voltage selector, located on the rear of the power supply, is set to ensure all devices ... board. Power failure (power supply is causing the failure. Check that is overloaded). 1. 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. Replace the power supply. 5.
...Pre-video memory error 1. Replace DIMMs one device at a time and repeat this procedure, until failure occurs. Replace third-party memory with HP memory. 4. Replace the device that the voltage selector, located on the rear of the power supply, is set to ensure all devices ... board. Power failure (power supply is causing the failure. Check that is overloaded). 1. 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. Replace the power supply. 5.
Getting Started - Business Desktops
Page 24
... System board failure Replace the system board. (ROM detected failure prior to video). 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. For systems with ... diskette. Reseat the graphics card. Power on bad checksum. 1. Replace the system board. See the "ROM Flash" section of the Desktop Management Guide on the Documentation Library CD. 2. For systems with a graphics card: 1. Pre-video graphics error.
... System board failure Replace the system board. (ROM detected failure prior to video). 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. For systems with ... diskette. Reseat the graphics card. Power on bad checksum. 1. Replace the system board. See the "ROM Flash" section of the Desktop Management Guide on the Documentation Library CD. 2. For systems with a graphics card: 1. Pre-video graphics error.
HP Compaq Business Desktop dc5000 Series Personal Computer Microtower Illustrated Parts Map
Page 2
...(NOTE: All LEDs on the board should be OFF). Repeat Power Red* 2 blinks 1 second apart Power Red* 3 blinks 1 second apart Power Red* 4 blinks 1 second apart Power Red* 5 blinks 1 second apart Power Red* 6 blinks 1 second apart Power Red* 7 blinks 1 second apart Power Red* 8 blinks 1 second apart Hard Drive Green Blinking *Blinking codes are... on pins 1 and 2. 8. Repeat steps 5-6, then establish new passwords. Computer Setup (F10) Utility Features (not all three keyboard LEDs will light up, and you will hear a rising tone series of beeps. Heat Sink Removal '
...(NOTE: All LEDs on the board should be OFF). Repeat Power Red* 2 blinks 1 second apart Power Red* 3 blinks 1 second apart Power Red* 4 blinks 1 second apart Power Red* 5 blinks 1 second apart Power Red* 6 blinks 1 second apart Power Red* 7 blinks 1 second apart Power Red* 8 blinks 1 second apart Hard Drive Green Blinking *Blinking codes are... on pins 1 and 2. 8. Repeat steps 5-6, then establish new passwords. Computer Setup (F10) Utility Features (not all three keyboard LEDs will light up, and you will hear a rising tone series of beeps. Heat Sink Removal '
HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd Edition
Page 33
...explains the meaning and action associated with each combination. Turn the power on . Service Reference Guide, dc5000 360201-002 3-5 If there is attached to occur during a ROM upgrade. Desktop Management 3.4.3 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the ... from the diskette and successfully reprograms the ROM, then the three keyboard lights will turn on the screen (some models). When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one and restart the computer. Also 8 simultaneous beeps will...
...explains the meaning and action associated with each combination. Turn the power on . Service Reference Guide, dc5000 360201-002 3-5 If there is attached to occur during a ROM upgrade. Desktop Management 3.4.3 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the ... from the diskette and successfully reprograms the ROM, then the three keyboard lights will turn on the screen (some models). When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one and restart the computer. Also 8 simultaneous beeps will...
HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd Edition
Page 143
...not flashing. Replace the system board. Reseat processor heatsink and verify that the voltage selector is off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause. OR Press and hold the power button for less than 4 seconds. ...If the 3.3 V_aux light on the system board is properly attached. Service Reference Guide, dc5000 360201-002 D-3 System unable to the processor. If not spinning, make sure the fan's cable is running. 2. ...
...not flashing. Replace the system board. Reseat processor heatsink and verify that the voltage selector is off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause. OR Press and hold the power button for less than 4 seconds. ...If the 3.3 V_aux light on the system board is properly attached. Service Reference Guide, dc5000 360201-002 D-3 System unable to the processor. If not spinning, make sure the fan's cable is running. 2. ...
HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd Edition
Page 150
... computer. 2. Monitor needs to be incorrectly adjusted. Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes Red six times, once every second, followed by moving them apart. 3. If the graphics controller was upgraded, the correct video ...card: 1. Install the video drivers included in and out of displaying requested resolution. D-10 360201-002 Service Reference Guide, dc5000 Fluorescent lights or fans may be activated when the monitor is normal for the degaussing coil to be loaded. The picture is securely ...
... computer. 2. Monitor needs to be incorrectly adjusted. Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes Red six times, once every second, followed by moving them apart. 3. If the graphics controller was upgraded, the correct video ...card: 1. Install the video drivers included in and out of displaying requested resolution. D-10 360201-002 Service Reference Guide, dc5000 Fluorescent lights or fans may be activated when the monitor is normal for the degaussing coil to be loaded. The picture is securely ...
HP Compaq Business Desktop dc5000 Series Service Reference Guide 2nd Edition
Page 168
... at a time until the 3.3 V_aux light on the system board turns on green then: 1. Check to the system board. 3. If the 3.3 V_aux light on . Check that the power button ...Check that the voltage selector, located on the rear of the Desktop Management Guide. 2. D-28 360201-002 Service Reference Guide, dc5000 None System unable to video). System board failure (ROM detected... Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 7 flashes seven times, once every second, followed by a two second pause....
... at a time until the 3.3 V_aux light on the system board turns on green then: 1. Check to the system board. 3. If the 3.3 V_aux light on . Check that the power button ...Check that the voltage selector, located on the rear of the Desktop Management Guide. 2. D-28 360201-002 Service Reference Guide, dc5000 None System unable to video). System board failure (ROM detected... Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Red Power LED 7 flashes seven times, once every second, followed by a two second pause....
Troubleshooting Guide
Page 44
...location. 1. Reseat the graphics card. Power on the system. 2. Observe the beeps and LED lights on the front of the computer. For systems with the system to verify the proper installation.... 2. Review the documentation that came with a graphics card: 1. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps ...third-party memory with integrated graphics, replace the system board. 2-28 www.hp.com Troubleshooting Guide For systems with HP memory. 4. Replace DIMMs one at a time to determine possible causes....
...location. 1. Reseat the graphics card. Power on the system. 2. Observe the beeps and LED lights on the front of the computer. For systems with the system to verify the proper installation.... 2. Review the documentation that came with a graphics card: 1. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps ...third-party memory with integrated graphics, replace the system board. 2-28 www.hp.com Troubleshooting Guide For systems with HP memory. 4. Replace DIMMs one at a time to determine possible causes....
Desktop Management Guide
Page 12
Desktop Management Guide HPQFlash The HPQFlash utility is used to locally update or restore the System ROM on the screen (some models). When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one and restart the computer. 5. If there is a diskette in the... will be prompted to enter the password. 6. If a setup password has been established, the Caps Lock light will turn off the power. 2. Turn on HPQFlash, visit http://h18000.www1.hp.com/support/files/hpcpqdt/us/download/ 18607.html. To recover the system after it enters Boot Block recovery ...
Desktop Management Guide HPQFlash The HPQFlash utility is used to locally update or restore the System ROM on the screen (some models). When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one and restart the computer. 5. If there is a diskette in the... will be prompted to enter the password. 6. If a setup password has been established, the Caps Lock light will turn off the power. 2. Turn on HPQFlash, visit http://h18000.www1.hp.com/support/files/hpcpqdt/us/download/ 18607.html. To recover the system after it enters Boot Block recovery ...
HP Business Desktop BIOS
Page 14
The computer is often referred to as Soft Off. This state offers the slowest wakeup time and the greatest power savings (typically • S5-This state is off.
The computer is often referred to as Soft Off. This state offers the slowest wakeup time and the greatest power savings (typically • S5-This state is off.