Getting Started
Page 20
... the system board. 16 www.hp.com See "Interpreting diagnostic Lights and Audible Codes" to isolate faulty module. 3. If you are using the correct memory modules and to determine if you still cannot resolve the issue, contact Customer Support. Reseat DIMMs. Power on the system. 2. Power LED flashes Red six times, once every second...
... the system board. 16 www.hp.com See "Interpreting diagnostic Lights and Audible Codes" to isolate faulty module. 3. If you are using the correct memory modules and to determine if you still cannot resolve the issue, contact Customer Support. Reseat DIMMs. Power on the system. 2. Power LED flashes Red six times, once every second...
Getting Started
Page 22
...vents are not blocked and the cooling fan is present. 2. Contact an authorized reseller or service provider. Reseat the processor. 18 www.hp.com If the processor fan is not spinning, make sure the fan's cable is not properly attached to see if the processor fan spins.... Check to the processor. 1. 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. If fan is plugged in and...
...vents are not blocked and the cooling fan is present. 2. Contact an authorized reseller or service provider. Reseat the processor. 18 www.hp.com If the processor fan is not spinning, make sure the fan's cable is not properly attached to see if the processor fan spins.... Check to the processor. 1. 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. If fan is plugged in and...
Getting Started
Page 23
... HP memory. 4. Replace the system board. Replace DIMMs one at a time to ensure all devices are functioning properly. 4. Replace the system board. Check if a device is causing the problem 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 flashes...
... HP memory. 4. Replace the system board. Replace DIMMs one at a time to ensure all devices are functioning properly. 4. Replace the system board. Check if a device is causing the problem 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 flashes...
Getting Started
Page 24
...See the "ROM Flash" section of the Desktop Management Guide on bad checksum. 1. System board failure (ROM detected failure prior to video). Pre-video graphics error. Red Power LED 8 flashes eight times, once every second, followed by a two second pause. Red Power LED 7 flashes seven times, once... every second, followed by a two-second pause. Power on the system. 2. Getting Started Diagnostic Front Panel Lights (LEDs) and ...
...See the "ROM Flash" section of the Desktop Management Guide on bad checksum. 1. System board failure (ROM detected failure prior to video). Pre-video graphics error. Red Power LED 8 flashes eight times, once every second, followed by a two second pause. Red Power LED 7 flashes seven times, once... every second, followed by a two-second pause. Power on the system. 2. Getting Started Diagnostic Front Panel Lights (LEDs) and ...
Getting Started - Business Desktops
Page 20
...resolve the issue, contact Customer Support. Replace the system board. Reseat the graphics card. See "Interpreting diagnostic Lights and Audible Codes" to isolate faulty module. 3. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. ... five times. Video card is bad. 1. Observe the beeps and LED lights on the system. 2. If you are using the correct memory modules and to verify the proper installation. 2. For systems with HP memory. 4. Replace the system board. Power on the front of the ...
...resolve the issue, contact Customer Support. Replace the system board. Reseat the graphics card. See "Interpreting diagnostic Lights and Audible Codes" to isolate faulty module. 3. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. ... five times. Video card is bad. 1. Observe the beeps and LED lights on the system. 2. If you are using the correct memory modules and to verify the proper installation. 2. For systems with HP memory. 4. Replace the system board. Power on the front of the ...
Getting Started - Business Desktops
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...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. Contact an authorized ...reseller or service provider. Red Power LED stays on. Reseat the processor. 18 Ensure ...
...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. Contact an authorized ...reseller or service provider. Red Power LED stays on. Reseat the processor. 18 Ensure ...
Getting Started - Business Desktops
Page 23
...HP memory. 4. Replace the system board. 19 Check if a device is set to the appropriate voltage. Replace the power supply. 5. Reseat DIMMs. Power on the system. Replace the device that the voltage selector, located on the system board. 3. Pre-video memory error 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. Check that is overloaded). 1. Continue ...
...HP memory. 4. Replace the system board. 19 Check if a device is set to the appropriate voltage. Replace the power supply. 5. Reseat DIMMs. Power on the system. Replace the device that the voltage selector, located on the system board. 3. Pre-video memory error 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. Check that is overloaded). 1. Continue ...
Getting Started - Business Desktops
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... of the Desktop Management Guide on the system. 2. Replace the graphics card. 3. For systems with a graphics card: 1. Invalid ROM based on bad checksum. 1. 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...
... of the Desktop Management Guide on the system. 2. Replace the graphics card. 3. For systems with a graphics card: 1. Invalid ROM based on bad checksum. 1. 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...
Desktop Management Guide
Page 13
...FailSafe Boot Block ROM provides enough support to start the system from the diskette and successfully reprograms the ROM, then the three keyboard lights will be prompted to enter the password. 6. Turn on . If no ROMPaq diskette is found, you will turn on power...into the diskette drive. 3. The Boot Block is a flash-protected section of beeps also signals successful completion. 8. Enter the setup password. 7. Desktop Management Guide www.hp.com 9 "When the bootblock detects an invalid system ROM, The System Power LED blinks RED 8 times, one and restart the computer. 5. If ...
...FailSafe Boot Block ROM provides enough support to start the system from the diskette and successfully reprograms the ROM, then the three keyboard lights will be prompted to enter the password. 6. Turn on . If no ROMPaq diskette is found, you will turn on power...into the diskette drive. 3. The Boot Block is a flash-protected section of beeps also signals successful completion. 8. Enter the setup password. 7. Desktop Management Guide www.hp.com 9 "When the bootblock detects an invalid system ROM, The System Power LED blinks RED 8 times, one and restart the computer. 5. If ...
HP Business Desktop d300 and dx6050 Series Personal Computers Service Reference Guide (8th Edition)
Page 37
...ROMPaq diskette, which will be heard. The following steps: 1. When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one every second, followed by Boot Block ROM Failsafe Boot Block Mode Keyboard LED Color Keyboard LED Activity State/Message Num ... three keyboard lights will be prompted to insert one -at-a-time- If there is found, you will program the system ROM with each combination. Desktop Management 3.4.3 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the unlikely event of a ROM flash failure, for...
...ROMPaq diskette, which will be heard. The following steps: 1. When the bootblock detects an invalid system ROM, the System Power LED blinks RED 8 times, one every second, followed by Boot Block ROM Failsafe Boot Block Mode Keyboard LED Color Keyboard LED Activity State/Message Num ... three keyboard lights will be prompted to insert one -at-a-time- If there is found, you will program the system ROM with each combination. Desktop Management 3.4.3 FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the unlikely event of a ROM flash failure, for...
HP Business Desktop d300 and dx6050 Series Personal Computers Service Reference Guide (8th Edition)
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.... 3. Open hood and check that both power supply cables are properly connected to the system board. 3. Ensure computer air vents are not flashing. If the hard drive LED does not turn on . 3. Service Reference Guide, d300, dx6050 319865-008 D-3 Open hood, press power button...If the 3.3 V_aux light on the system board is set to power on , then replace the power button harness. 5. Processor thermal protection activated: A fan may be blocked or not turning. Check that the voltage selector is off automatically and the Power LED flashes Red two times, once every...
.... 3. Open hood and check that both power supply cables are properly connected to the system board. 3. Ensure computer air vents are not flashing. If the hard drive LED does not turn on . 3. Service Reference Guide, d300, dx6050 319865-008 D-3 Open hood, press power button...If the 3.3 V_aux light on the system board is set to power on , then replace the power button harness. 5. Processor thermal protection activated: A fan may be blocked or not turning. Check that the voltage selector is off automatically and the Power LED flashes Red two times, once every...
HP Business Desktop d300 and dx6050 Series Personal Computers Service Reference Guide (8th Edition)
Page 206
.... Be sure the monitor cable is normal for some monitors to be sure the monitors are not properly connected. Fluorescent lights or fans may be activated when the monitor is being used with energy saver features. It is securely connected to the... capable of standby mode, and when changing resolutions. Degauss the monitor. Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes Red six times, once every second, followed by moving them apart. 3. Reseat the graphics card. 2. Replace the system board. Disable monitor ...
.... Be sure the monitor cable is normal for some monitors to be sure the monitors are not properly connected. Fluorescent lights or fans may be activated when the monitor is being used with energy saver features. It is securely connected to the... capable of standby mode, and when changing resolutions. Degauss the monitor. Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes Red six times, once every second, followed by moving them apart. 3. Reseat the graphics card. 2. Replace the system board. Disable monitor ...
HP Business Desktop d325/dx6050 uT Illustrated Parts Map, 3rd Edition
Page 2
...) Off (S5) Computer off Red when flashing ROM; Repeat steps 5-6, then establish new passwords. Diagnostic LEDs LED Power Power Power Power Power Power Color Green Green Green Clear Clear Red/Green Power Power Power Power Power Power Hard Drive Red Red Red Red Red Red Green LED Activity State/Message On...audio/USB host controller 22 Network interface card (NIC) Computer Setup (F10) Utility Features (not all three keyboard LEDs will light up, and you will be available) File Storage Security Advanced System Information About Set Time and Date Save to Diskette Restore ...
...) Off (S5) Computer off Red when flashing ROM; Repeat steps 5-6, then establish new passwords. Diagnostic LEDs LED Power Power Power Power Power Power Color Green Green Green Clear Clear Red/Green Power Power Power Power Power Power Hard Drive Red Red Red Red Red Red Green LED Activity State/Message On...audio/USB host controller 22 Network interface card (NIC) Computer Setup (F10) Utility Features (not all three keyboard LEDs will light up, and you will be available) File Storage Security Advanced System Information About Set Time and Date Save to Diskette Restore ...