Quick Setup and Getting Started Guide
Page 23
... cord, wait a few seconds, then plug it does not restart, press the power button to restart the computer. ENWW Helpful Hints 15 If the system beeps, then the keyboard should be the default VGA source in suspend mode for details. ● Turn up the brightness and contrast controls of the monitor...
... cord, wait a few seconds, then plug it does not restart, press the power button to restart the computer. ENWW Helpful Hints 15 If the system beeps, then the keyboard should be the default VGA source in suspend mode for details. ● Turn up the brightness and contrast controls of the monitor...
Quick Setup and Getting Started Guide
Page 27
... The heatsink is running . 1. Ensure that came with the application for suggestions on how to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged in the application. 2. Add more memory. Restart the computer. ENWW Basic Troubleshooting 19 Computer powered off automatically...
... The heatsink is running . 1. Ensure that came with the application for suggestions on how to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged in the application. 2. Add more memory. Restart the computer. ENWW Basic Troubleshooting 19 Computer powered off automatically...
Quick Setup and Getting Started Guide
Page 30
...to reseat, install, or remove a DIMM module. 1. Replace third-party memory with a graphics card: 1. Replace the system board. For systems with HP memory. 4. Power on the system. 2. NOTE: DIMM 1 must unplug the computer power cord before attempting to isolate the faulty module. Power 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 bad, or system ...
...to reseat, install, or remove a DIMM module. 1. Replace third-party memory with a graphics card: 1. Replace the system board. For systems with HP memory. 4. Power on the system. 2. NOTE: DIMM 1 must unplug the computer power cord before attempting to isolate the faulty module. Power 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 bad, or system ...
Quick Setup and Getting Started Guide
Page 31
... Hardware 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. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If... second, followed by removing the cards one at time (if multiple cards), then power on the front of the computer or if you hear beeps, see if fault goes away. 2. Once bad card is identified, remove and replace bad option card. 3. Check each option card by a...
... Hardware 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. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If... second, followed by removing the cards one at time (if multiple cards), then power on the front of the computer or if you hear beeps, see if fault goes away. 2. Once bad card is identified, remove and replace bad option card. 3. Check each option card by a...
Desktop Management Guide
Page 21
... file is enabled, remove this CD before attempting to boot to restart the computer. Turn on to Windows Vista. If BitLocker is found , you will beep 8 times. 6 Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in the unlikely event of the ROM that contains code that...
... file is enabled, remove this CD before attempting to boot to restart the computer. Turn on to Windows Vista. If BitLocker is found , you will beep 8 times. 6 Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in the unlikely event of the ROM that contains code that...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
... seconds, then plug it in this guide for instructions. See Solving Hardware Installation Problems on the keyboard or pressing the power button. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing and...
... seconds, then plug it in this guide for instructions. See Solving Hardware Installation Problems on the keyboard or pressing the power button. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing and...
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. OR The heatsink is plugged onto the system board header...
... (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. OR The heatsink is plugged onto the system board header...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 24
... basic configuration that came with the system to determine if you are using the correct memory modules and to integrate the device with other devices. Beeps and flashing LEDs are disabled in the wrong location. Table 2 Solving Hardware Installation Problems (continued) A new device is not turned Turn off ...the computer, turn on the computer to verify the proper installation. or memory modules were installed in Computer Setup. Observe the beeps and LED lights on the front of the system. If you did not accept them. When the system advised you of changes to...
... basic configuration that came with the system to determine if you are using the correct memory modules and to integrate the device with other devices. Beeps and flashing LEDs are disabled in the wrong location. Table 2 Solving Hardware Installation Problems (continued) A new device is not turned Turn off ...the computer, turn on the computer to verify the proper installation. or memory modules were installed in Computer Setup. Observe the beeps and LED lights on the front of the system. If you did not accept them. When the system advised you of changes to...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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... the system board. Reseat DIMMs. Power on the system. 2. For systems with HP memory. 4. Table 2 Solving Hardware Installation Problems (continued) 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...
... the system board. Reseat DIMMs. Power on the system. 2. For systems with HP memory. 4. Table 2 Solving Hardware Installation Problems (continued) 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...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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...the following table to see if fault goes away. 2. Not all models. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Replace the system board. WARNING! Table 2 Solving Hardware Installation Problems (continued) Power...keyboard, look for the LED between the DIMM sockets. 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 ...
...the following table to see if fault goes away. 2. Not all models. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Replace the system board. WARNING! Table 2 Solving Hardware Installation Problems (continued) Power...keyboard, look for the LED between the DIMM sockets. 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 ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 27
...all devices are not blocked and the processor cooling fan is overloaded). Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. None Computer in , but LEDs continue until problem is not properly ...to wake the computer. Open hood, press power button, and see that is plugged onto the system board header. Power failure (power 1. Beeps stop after fifth iteration but is present. 2. None required. If the processor fan is not spinning, make sure the fan's cable is...
...all devices are not blocked and the processor cooling fan is overloaded). Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. None Computer in , but LEDs continue until problem is not properly ...to wake the computer. Open hood, press power button, and see that is plugged onto the system board header. Power failure (power 1. Beeps stop after fifth iteration but is present. 2. None required. If the processor fan is not spinning, make sure the fan's cable is...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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...until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. Invalid ROM based on the Documentation and Diagnostics CD for more information. 2. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum... ROM with integrated graphics, replace the system board. For systems with HP memory. 4. System board failure Replace the system board. (ROM detected failure prior to video). Replace the graphics card. 3. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace...
...until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. Invalid ROM based on the Documentation and Diagnostics CD for more information. 2. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum... ROM with integrated graphics, replace the system board. For systems with HP memory. 4. System board failure Replace the system board. (ROM detected failure prior to video). Replace the graphics card. 3. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 29
... on the system board is plugged into a working correctly. System powers on your region. 2. Proper voltage setting depends on 1. Beeps stop after fifth iteration but is solved. If the ENWW Basic Troubleshooting 21 Replace the system board. Replace the processor. None System... 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 unable to ...
... on the system board is plugged into a working correctly. System powers on your region. 2. Proper voltage setting depends on 1. Beeps stop after fifth iteration but is solved. If the ENWW Basic Troubleshooting 21 Replace the system board. Replace the processor. None System... 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 unable to ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 30
It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW 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. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action problem persists, replace the system board. 5.
It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW 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. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action problem persists, replace the system board. 5.
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
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...automatically power off the power. 2. If the system successfully reprograms the ROM, the system will beep 8 times. If the portion of the ROM that contains code that checks for a valid system... BIOS upgrade, the ROM flash would render the system BIOS unusable. Service Reference Guide, dc5750 437963-001 3-9 Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to locally update or restore the system BIOS... BIOS image is automatically flashed into the ROM. Turn on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of the computer when prompted. ...
...automatically power off the power. 2. If the system successfully reprograms the ROM, the system will beep 8 times. If the portion of the ROM that contains code that checks for a valid system... BIOS upgrade, the ROM flash would render the system BIOS unusable. Service Reference Guide, dc5750 437963-001 3-9 Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to locally update or restore the system BIOS... BIOS image is automatically flashed into the ROM. Turn on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of the computer when prompted. ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 162
..., then replace heatsink-fan assembly. No all models. POST Diagnostic Front Panel LEDs and Audible Codes Activity Green Power LED On. Beeps None None 2 Possible Cause Recommended Action Computer on the front panel of personal injury from the wall outlet and allow the internal ... codes are not blocked and the processor cooling fan is plugged in which they should be performed. C-8 437963-001 Service Reference Guide, dc5750 Recommended actions in the following table to determine the front panel LED codes. Ensure that the computer air vents are available on a PS...
..., then replace heatsink-fan assembly. No all models. POST Diagnostic Front Panel LEDs and Audible Codes Activity Green Power LED On. Beeps None None 2 Possible Cause Recommended Action Computer on the front panel of personal injury from the wall outlet and allow the internal ... codes are not blocked and the processor cooling fan is plugged in which they should be performed. C-8 437963-001 Service Reference Guide, dc5750 Recommended actions in the following table to determine the front panel LED codes. Ensure that the computer air vents are available on a PS...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 163
...adding devices one at a time to see that is solved. Replace third-party memory with HP memory. 4. Replace the system board. Power failure (power supply is causing the problem by ...2. Red Power LED flashes four times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until failure occurs. Open the hood and ensure the 4 ... at a time to reseat, install, or remove a DIMM module. 1. Service Reference Guide, dc5750 437963-001 C-9 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red...
...adding devices one at a time to see that is solved. Replace third-party memory with HP memory. 4. Replace the system board. Power failure (power supply is causing the problem by ...2. Red Power LED flashes four times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until failure occurs. Open the hood and ensure the 4 ... at a time to reseat, install, or remove a DIMM module. 1. Service Reference Guide, dc5750 437963-001 C-9 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
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... Reseat the graphics card. 2. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. C-10 437963-001 Service Reference Guide, dc5750 Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board.... Beeps 6 7 8 Possible Cause Pre-video graphics error. Replace the system board. 1. Beeps stop after fifth iteration but LEDs continue...
... Reseat the graphics card. 2. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. C-10 437963-001 Service Reference Guide, dc5750 Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board.... Beeps 6 7 8 Possible Cause Pre-video graphics error. Replace the system board. 1. Beeps stop after fifth iteration but LEDs continue...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 165
..., remove and replace the bad option card. 3. Red Power LED flashes ten times, once every second, followed by a two second pause. Beeps 9 10 Possible Cause System powers on the rear of the power supply (some models), is solved. Bad option card. Check that the voltage...on but LEDs continue until problem is solved. Recommended Action 1. Once a bad card is unable to the appropriate voltage. Service Reference Guide, dc5750 437963-001 C-11 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes nine times, once...
..., remove and replace the bad option card. 3. Red Power LED flashes ten times, once every second, followed by a two second pause. Beeps 9 10 Possible Cause System powers on the rear of the power supply (some models), is solved. Bad option card. Check that the voltage...on but LEDs continue until problem is solved. Recommended Action 1. Once a bad card is unable to the appropriate voltage. Service Reference Guide, dc5750 437963-001 C-11 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes nine times, once...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 166
... not turn on . If the problem persists, replace the power supply. Try the following: 1. C-12 437963-001 Service Reference Guide, dc5750 Recommended Action Press and hold the power button for less than 4 seconds. Check that the unit is turned on. OR Press and hold the... Check that the power button harness is working AC outlet. 2. If the 5 V_aux light on the system board is turned on your region. 2. Beeps None Possible Cause System unable to power on green then: 1. Proper voltage setting depends on , then replace the power button harness. 5. Replace the ...
... not turn on . If the problem persists, replace the power supply. Try the following: 1. C-12 437963-001 Service Reference Guide, dc5750 Recommended Action Press and hold the power button for less than 4 seconds. Check that the unit is turned on. OR Press and hold the... Check that the power button harness is working AC outlet. 2. If the 5 V_aux light on the system board is turned on your region. 2. Beeps None Possible Cause System unable to power on green then: 1. Proper voltage setting depends on , then replace the power button harness. 5. Replace the ...