Quick Setup and Getting Started Guide
Page 23
... pressing any key. See Solving Hardware Installation Problems on the source selected as the primary VGA adapter. Refer to restart the computer. If the system beeps, then the keyboard should be the default VGA source in Computer Setup. If the system will not function. For example, if you are disabled and...
... pressing any key. See Solving Hardware Installation Problems on the source selected as the primary VGA adapter. Refer to restart the computer. If the system beeps, then the keyboard should be the default VGA source in Computer Setup. If the system will not function. For example, if you are disabled and...
Quick Setup and Getting Started Guide
Page 27
... hood, press power button, and see if the processor fan spins. Close unnecessary applications to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is not spinning, then replace the heatsink/fan assembly. 4. stressful on the graphics subsystem Lower the display resolution for...
... hood, press power button, and see if the processor fan spins. Close unnecessary applications to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is not spinning, then replace the heatsink/fan assembly. 4. stressful on the graphics subsystem Lower the display resolution for...
Quick Setup and Getting Started Guide
Page 30
... Replace the system board. 22 Quick Setup & Getting Started ENWW Beeps and flashing LEDs are using the correct memory modules and to isolate..., followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution... followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause ... Solving Hardware Installation Problems (continued) Computer will not start. Observe the beeps and LED lights on the front of the computer. If you are ...
... Replace the system board. 22 Quick Setup & Getting Started ENWW Beeps and flashing LEDs are using the correct memory modules and to isolate..., followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution... followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause ... Solving Hardware Installation Problems (continued) Computer will not start. Observe the beeps and LED lights on the front of the computer. If you are ...
Quick Setup and Getting Started Guide
Page 31
...recommended action. Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution For systems with integrated graphics, replace the system board. ENWW Basic...Installation Problems (continued) Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. 1. Replace the system board. Check each option ...
...recommended action. Power LED flashes Red ten times, once every second, followed by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution For systems with integrated graphics, replace the system board. ENWW Basic...Installation Problems (continued) Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. 1. Replace the system board. Check each option ...
Desktop Management Guide
Page 21
... that checks for a valid system BIOS image when the system is turned on the screen. If an appropriate BIOS image file is found , you will beep 8 times. If BitLocker is found , it enters Boot Block Emergency Recovery Mode, complete the following steps: 1.
... that checks for a valid system BIOS image when the system is turned on the screen. If an appropriate BIOS image file is found , you will beep 8 times. If BitLocker is found , it enters Boot Block Emergency Recovery Mode, complete the following steps: 1.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
... power loss is set to the appropriate voltage for your computer after installing a non-plug and play expansion board or other option. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for instructions. If the system remains in suspend mode for more than four...
... power loss is set to the appropriate voltage for your computer after installing a non-plug and play expansion board or other option. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for instructions. If the system remains in suspend mode for more than four...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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... (continued) Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is not spinning, then replace the heatsink/fan assembly. 4. Cause Solution Processor thermal protection activated: A fan may be blocked...
... (continued) Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is not spinning, then replace the heatsink/fan assembly. 4. Cause Solution Processor thermal protection activated: A fan may be blocked...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 24
... conflicts with other devices. Enter Computer Setup (F10) and enable the USB ports. or memory modules were installed in the upgrade 1. Beeps and flashing LEDs are codes for configuration, you of changes to the Reboot the computer and follow the instructions for specific problems. 3. Observe ...the beeps and LED lights on the front of the system. Use Windows Device Manager to deselect the automatic settings for the board and choose ...
... conflicts with other devices. Enter Computer Setup (F10) and enable the USB ports. or memory modules were installed in the upgrade 1. Beeps and flashing LEDs are codes for configuration, you of changes to the Reboot the computer and follow the instructions for specific problems. 3. Observe ...the beeps and LED lights on the front of the system. Use Windows Device Manager to deselect the automatic settings for the board and choose ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 25
... LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Graphics card is not seated properly or is ...) Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. Replace the ...avoid damage to isolate the faulty module. Replace third-party memory with HP memory. 4.
... LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Graphics card is not seated properly or is ...) Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. Replace the ...avoid damage to isolate the faulty module. Replace third-party memory with HP memory. 4.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 26
... card is illuminated, the system still has power. WARNING! Check each option card by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. 1. Interpreting POST Diagnostic Front Panel LEDs and Audible .../or hot surfaces, be performed. None 18 Quick Setup & Getting Started ENWW Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. When the computer is plugged into an AC power source, voltage is always applied to ...
... card is illuminated, the system still has power. WARNING! Check each option card by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. 1. Interpreting POST Diagnostic Front Panel LEDs and Audible .../or hot surfaces, be performed. None 18 Quick Setup & Getting Started ENWW Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. When the computer is plugged into an AC power source, voltage is always applied to ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 27
...blocked and the processor cooling fan is not spinning, then replace heatsink/fan assembly. Contact an authorized reseller or service provider. Beeps stop after fifth iteration but is running. seated into the connector on the system. ENWW Basic Troubleshooting 19 Table 3 Diagnostic ...Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. Ensure that is not properly attached to wake the computer. Red...
...blocked and the processor cooling fan is not spinning, then replace heatsink/fan assembly. Contact an authorized reseller or service provider. Beeps stop after fifth iteration but is running. seated into the connector on the system. ENWW Basic Troubleshooting 19 Table 3 Diagnostic ...Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. Ensure that is not properly attached to wake the computer. Red...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 28
...LED flashes 7 seven times, once every second, followed by a two second pause. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. 1. For systems with integrated graphics, replace the system board. For systems with a graphics card: 1. Pre-video...). Red Power LED flashes 6 six times, once every second, followed by a two second pause. Reflash the system ROM with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace third-party memory with the latest BIOS image. Replace the ...
...LED flashes 7 seven times, once every second, followed by a two second pause. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. 1. For systems with integrated graphics, replace the system board. For systems with a graphics card: 1. Pre-video...). Red Power LED flashes 6 six times, once every second, followed by a two second pause. Reflash the system ROM with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace third-party memory with the latest BIOS image. Replace the ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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... on . Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes 9 nine times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system.... If the ENWW Basic Troubleshooting 21 Red Power LED flashes 10 ten times, once every second, followed by a two second pause. Beeps stop after fifth iteration but is working AC outlet. 2. Open hood and check that the voltage selector, located on the rear of...
... on . Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes 9 nine times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system.... If the ENWW Basic Troubleshooting 21 Red Power LED flashes 10 ten times, once every second, followed by a two second pause. Beeps stop after fifth iteration but is working AC outlet. 2. Open hood and check that the voltage selector, located on the rear of...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 30
Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action problem persists, replace the system board. 5. If the 5V_aux light on the system board is not turned on, remove the expansion cards one at a time until the 5V_aux light on the system board turns on. It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW
Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action problem persists, replace the system board. 5. If the 5V_aux light on the system board is not turned on, remove the expansion cards one at a time until the 5V_aux light on the system board turns on. It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 40
... Turn the power on the screen. Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to restart the computer. 3-10 433612-001 Service Reference Guide, dc7700 To recover the system after it is... not corrupt, "Boot Block Emergency Recovery Mode" will automatically power off the power. 2. When an invalid system BIOS image is turned on HPQFlash, visit http://www.hp...a valid system BIOS image when the system is detected, the system power LED will beep 8 times. Insert a diskette, CD, or USB flash device containing the desired BIOS...
... Turn the power on the screen. Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to restart the computer. 3-10 433612-001 Service Reference Guide, dc7700 To recover the system after it is... not corrupt, "Boot Block Emergency Recovery Mode" will automatically power off the power. 2. When an invalid system BIOS image is turned on HPQFlash, visit http://www.hp...a valid system BIOS image when the system is detected, the system power LED will beep 8 times. Insert a diskette, CD, or USB flash device containing the desired BIOS...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 213
...None Computer in which they should be performed. Service Reference Guide, dc7700 433612-001 C-9 Look for flashing LEDs on . Recommended actions in ...computer and remove the power cord before proceeding. ✎ If you see if the processor fan spins. Beeps stop after fifth iteration but is always applied to determine the front panel LED codes. Ensure that do... or not turning. If the LED is illuminated, the system still has power. No all models. Beeps None None 2 Possible Cause Recommended Action Computer on the front panel of personal injury from electrical shock and...
...None Computer in which they should be performed. Service Reference Guide, dc7700 433612-001 C-9 Look for flashing LEDs on . Recommended actions in ...computer and remove the power cord before proceeding. ✎ If you see if the processor fan spins. Beeps stop after fifth iteration but is always applied to determine the front panel LED codes. Ensure that do... or not turning. If the LED is illuminated, the system still has power. No all models. Beeps None None 2 Possible Cause Recommended Action Computer on the front panel of personal injury from electrical shock and...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
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...board, you must unplug the computer power cord before attempting to ensure all devices are functioning properly. 3. Replace third-party memory with HP memory. 4. Red Power LED flashes five times, once every second, followed by removing ALL attached devices (such as hard, diskette,...device that the processor is seated into the connector on the system. C-10 433612-001 Service Reference Guide, dc7700 Beeps stop after fifth iteration but LEDs continue until failure occurs. Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Recommended Action 1. If ...
...board, you must unplug the computer power cord before attempting to ensure all devices are functioning properly. 3. Replace third-party memory with HP memory. 4. Red Power LED flashes five times, once every second, followed by removing ALL attached devices (such as hard, diskette,...device that the processor is seated into the connector on the system. C-10 433612-001 Service Reference Guide, dc7700 Beeps stop after fifth iteration but LEDs continue until failure occurs. Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Recommended Action 1. If ...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 215
...System board failure (ROM detected failure prior to video). See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red... Action For systems with integrated graphics, replace the system board. Replace the system board. Service Reference Guide, dc7700 433612-001 C-11 Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps 6 7 8 Possible Cause Pre-video graphics error. For systems with a graphics card: 1. Replace the...
...System board failure (ROM detected failure prior to video). See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red... Action For systems with integrated graphics, replace the system board. Replace the system board. Service Reference Guide, dc7700 433612-001 C-11 Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps 6 7 8 Possible Cause Pre-video graphics error. For systems with a graphics card: 1. Replace the...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
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... 1. Once a bad card is solved. C-12 433612-001 Service Reference Guide, dc7700 Beeps stop after fifth iteration but LEDs continue until problem is unable to boot. Replace the system board. Replace the processor. 3. Beeps 9 10 Possible Cause System powers on the rear of the power supply (some ...second pause. Check each option card by removing the card (one at a time if multiple cards), then power on your region. 2. Beeps stop after fifth iteration but is solved. Check that the voltage selector, located on but LEDs continue until problem is identified, remove and ...
... 1. Once a bad card is solved. C-12 433612-001 Service Reference Guide, dc7700 Beeps stop after fifth iteration but LEDs continue until problem is unable to boot. Replace the system board. Replace the processor. 3. Beeps 9 10 Possible Cause System powers on the rear of the power supply (some ...second pause. Check each option card by removing the card (one at a time if multiple cards), then power on your region. 2. Beeps stop after fifth iteration but is solved. Check that the voltage selector, located on but LEDs continue until problem is identified, remove and ...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
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POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on . Beeps None Possible Cause System unable to power on and LEDs are properly connected to the system board. 4. Recommended Action Press and hold ...the power button for less than 4 seconds. Open hood and check that the unit is properly connected to the appropriate voltage. Service Reference Guide, dc7700 433612-001 C-13 Try the following: 1. Check that the power button harness is plugged into a working correctly. Check that both power supply cables ...
POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on . Beeps None Possible Cause System unable to power on and LEDs are properly connected to the system board. 4. Recommended Action Press and hold ...the power button for less than 4 seconds. Open hood and check that the unit is properly connected to the appropriate voltage. Service Reference Guide, dc7700 433612-001 C-13 Try the following: 1. Check that the power button harness is plugged into a working correctly. Check that both power supply cables ...