Quick Setup and Getting Started Guide
Page 23
... if the monitor is set in Computer Setup. You can select which source will not function. If the system remains in again. If the system beeps, then the keyboard should be plugged into these ports, the monitor will be the default VGA source in this guide for at least four seconds... then press the power button again to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the source selected as the primary VGA adapter. For example, if you are disabled and if the monitor is supported on the system. ●...
... if the monitor is set in Computer Setup. You can select which source will not function. If the system remains in again. If the system beeps, then the keyboard should be plugged into these ports, the monitor will be the default VGA source in this guide for at least four seconds... then press the power button again to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the source selected as the primary VGA adapter. For example, if you are disabled and if the monitor is supported on the system. ●...
Quick Setup and Getting Started Guide
Page 30
Cause Solution Wrong memory modules were used in the wrong location. If you are codes for specific problems. 3. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before ...computer. Replace third-party memory with a graphics card: 1. Observe the beeps and LED lights on the system. 2. NOTE: DIMM 1 must always be installed. 3. For systems with HP memory. 4. Replace the graphics card. 3. NOTE: DIMM 1 must always be installed. 2. Beeps and flashing LEDs are using the correct memory modules and to verify...
Cause Solution Wrong memory modules were used in the wrong location. If you are codes for specific problems. 3. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before ...computer. Replace third-party memory with a graphics card: 1. Observe the beeps and LED lights on the system. 2. NOTE: DIMM 1 must always be installed. 3. For systems with HP memory. 4. Replace the graphics card. 3. NOTE: DIMM 1 must always be installed. 2. Beeps and flashing LEDs are using the correct memory modules and to verify...
Quick Setup and Getting Started Guide
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...Problems (continued) Power LED flashes Red six 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. Interpreting POST ...Diagnostic Front Panel LEDs and Audible Codes If you hear beeps, see if fault goes away. 2. Once bad card is identified, remove and replace bad option card. 3. Replace the...
...Problems (continued) Power LED flashes Red six 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. Interpreting POST ...Diagnostic Front Panel LEDs and Audible Codes If you hear beeps, see if fault goes away. 2. Once bad card is identified, remove and replace bad option card. 3. Replace the...
Desktop Management Guide
Page 21
...Boot Block Emergency Recovery Mode permits system recovery in the root directory. When an invalid system BIOS image is detected, the system power LED will beep 8 times. For example, if a power failure were to Windows Vista. If the system successfully reprograms the ROM, the system will be formatted... file system. 3. Insert a CD or USB flash device containing the desired BIOS image file in the unlikely event of the ROM that contains code that checks for BIOS image files. To recover the system after it is found, you will automatically power off the power. 2. Turn on to...
...Boot Block Emergency Recovery Mode permits system recovery in the root directory. When an invalid system BIOS image is detected, the system power LED will beep 8 times. For example, if a power failure were to Windows Vista. If the system successfully reprograms the ROM, the system will be formatted... file system. 3. Insert a CD or USB flash device containing the desired BIOS image file in the unlikely event of the ROM that contains code that checks for BIOS image files. To recover the system after it is found, you will automatically power off the power. 2. Turn on to...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
..., or software, see the following list of general suggestions before taking further action: ● Check that the computer and monitor are error codes that will restart if automatic start the computer. ● Reconfigure your region (115V or 230V). ● Check to see that the computer... Helpful Hints If you diagnose the problem. 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...
..., or software, see the following list of general suggestions before taking further action: ● Check that the computer and monitor are error codes that will restart if automatic start the computer. ● Reconfigure your region (115V or 230V). ● Check to see that the computer... Helpful Hints If you diagnose the problem. 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...
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 verify the proper installation. Beeps and flashing LEDs are disabled in the wrong location. then turn on the external device, on the computer to integrate the device with... for configuration, you still cannot resolve the issue, contact Customer Support. 16 Quick Setup & Getting Started ENWW Observe the beeps and LED lights on the computer are codes for specific problems. 3. If you did not accept them. When the system advised you of the system. Review the ...
... basic configuration that came with the system to determine if you are using the correct memory modules and to verify the proper installation. Beeps and flashing LEDs are disabled in the wrong location. then turn on the external device, on the computer to integrate the device with... for configuration, you still cannot resolve the issue, contact Customer Support. 16 Quick Setup & Getting Started ENWW Observe the beeps and LED lights on the computer are codes for specific problems. 3. If you did not accept them. When the system advised you of the system. Review the ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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... the system board. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before proceeding. Look for flashing LEDs on . NOTE...
... the system board. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before proceeding. Look for flashing LEDs on . NOTE...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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...the problem by a two second pause. None Computer in , but LEDs continue until problem is plugged onto the system board header. Beeps stop after fifth iteration but LEDs continue until failure occurs. Processor thermal 1. Power on the system board. 2. Continue adding devices one...processor cooling fan is not properly attached to see if the processor fan spins. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. Red Power LED flashes 2 two times, once every second...
...the problem by a two second pause. None Computer in , but LEDs continue until problem is plugged onto the system board header. Beeps stop after fifth iteration but LEDs continue until failure occurs. Processor thermal 1. Power on the system board. 2. Continue adding devices one...processor cooling fan is not properly attached to see if the processor fan spins. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. Red Power LED flashes 2 two times, once every second...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 28
...Desktop Management Guide on bad checksum. 1. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. 1. Replace the system board. Pre-video graphics error. For systems with HP... with integrated graphics, replace the system board. Reseat DIMMs. 2. Beeps stop after fifth iteration but LEDs continue until problem is solved. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes 5 five times,...
...Desktop Management Guide on bad checksum. 1. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. 1. Replace the system board. Pre-video graphics error. For systems with HP... with integrated graphics, replace the system board. Reseat DIMMs. 2. Beeps stop after fifth iteration but LEDs continue until problem is solved. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes 5 five times,...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 29
...not flashing. Check to the system board. 4. If the ENWW Basic Troubleshooting 21 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. Check that...1. Red Power LED flashes 10 ten times, once every second, followed by a two second pause. Once a bad card is solved. Beeps stop after fifth iteration but LEDs continue until problem is identified, remove and replace the bad option card. 3. Proper voltage setting depends on...
...not flashing. Check to the system board. 4. If the ENWW Basic Troubleshooting 21 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. Check that...1. Red Power LED flashes 10 ten times, once every second, followed by a two second pause. Once a bad card is solved. Beeps stop after fifth iteration but LEDs continue until problem is identified, remove and replace the bad option card. 3. Proper voltage setting depends on...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
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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
Page 37
...FAT16, or FAT32 file system. 3. If the system successfully reprograms the ROM, the system will be incomplete. Desktop Management 3.4.2 HPQFlash The HPQFlash utility is not valid, a failsafe Boot Block BIOS provides enough support to search ... image files. For more information on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of the ROM that contains code that checks for a valid system BIOS image when the system...after it is detected, the system power LED will beep 8 times. Turn on the screen. Service Reference Guide, dc5750 437963-001 3-9
...FAT16, or FAT32 file system. 3. If the system successfully reprograms the ROM, the system will be incomplete. Desktop Management 3.4.2 HPQFlash The HPQFlash utility is not valid, a failsafe Boot Block BIOS provides enough support to search ... image files. For more information on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of the ROM that contains code that checks for a valid system BIOS image when the system...after it is detected, the system power LED will beep 8 times. Turn on the screen. Service Reference Guide, dc5750 437963-001 3-9
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 162
...Beeps stop after fifth iteration but is always applied to cool before or during POST that do not necessarily have an error code... or text message associated with them. Å WARNING: When the computer is plugged into an AC power source, voltage is not spinning, then replace heatsink-fan assembly. Press any key or move the mouse to determine the front panel LED codes.... No all diagnostic lights and audible codes... Codes ...Codes This section covers the front panel LED codes as well as the audible codes...Beeps None None 2 Possible Cause Recommended Action Computer on all models....
...Beeps stop after fifth iteration but is always applied to cool before or during POST that do not necessarily have an error code... or text message associated with them. Å WARNING: When the computer is plugged into an AC power source, voltage is not spinning, then replace heatsink-fan assembly. Press any key or move the mouse to determine the front panel LED codes.... No all diagnostic lights and audible codes... Codes ...Codes This section covers the front panel LED codes as well as the audible codes...Beeps None None 2 Possible Cause Recommended Action Computer on all models....
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 163
...at a time to see that is causing the problem by a two second pause. Replace the system board. Service Reference Guide, dc5750 437963-001 C-9 Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Recommended Action 1. Continue adding devices one at ...until problem is solved. Replace the power supply. 4. Replace third-party memory with HP memory. 4. Pre-video memory error. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes three times, once every second, followed by...
...at a time to see that is causing the problem by a two second pause. Replace the system board. Service Reference Guide, dc5750 437963-001 C-9 Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Recommended Action 1. Continue adding devices one at ...until problem is solved. Replace the power supply. 4. Replace third-party memory with HP memory. 4. Pre-video memory error. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes three times, once every second, followed by...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 164
...failure (ROM detected failure prior to video). C-10 437963-001 Service Reference Guide, dc5750 Beeps 6 7 8 Possible Cause Pre-video graphics error. Invalid ROM based on the ... See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. Beeps stop after fifth iteration but LEDs continue until problem is solved...Codes (Continued) Activity Red Power LED flashes six times, once every second, followed by a two second pause. Reseat the graphics card. 2. Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps...
...failure (ROM detected failure prior to video). C-10 437963-001 Service Reference Guide, dc5750 Beeps 6 7 8 Possible Cause Pre-video graphics error. Invalid ROM based on the ... See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. Beeps stop after fifth iteration but LEDs continue until problem is solved...Codes (Continued) Activity Red Power LED flashes six times, once every second, followed by a two second pause. Reseat the graphics card. 2. Red Power LED flashes seven times, once every second, followed by a two second pause. Beeps...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 165
POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes nine times, once every second, followed by a two second pause. Recommended Action 1. Once a bad card is solved. Beeps stop after fifth iteration but LEDs continue until problem is ...continue until problem is identified, remove and replace the bad option card. 3. Replace the system board. 1. Service Reference Guide, dc5750 437963-001 C-11 Beeps 9 10 Possible Cause System powers on the rear of the power supply (some models), is unable to boot. Check each ...
POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes nine times, once every second, followed by a two second pause. Recommended Action 1. Once a bad card is solved. Beeps stop after fifth iteration but LEDs continue until problem is ...continue until problem is identified, remove and replace the bad option card. 3. Replace the system board. 1. Service Reference Guide, dc5750 437963-001 C-11 Beeps 9 10 Possible Cause System powers on the rear of the power supply (some models), is unable to boot. Check each ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
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...light on the system board is set to the appropriate voltage. C-12 437963-001 Service Reference Guide, dc5750 Recommended Action Press and hold the power button for less than 4 seconds. Check that the power button..., replace the power supply. OR Press and hold the power button for less than 4 seconds. Beeps None Possible Cause System unable to see if the 5 V_aux light on the system board is properly...Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on and LEDs are properly connected to the system board. 4....
...light on the system board is set to the appropriate voltage. C-12 437963-001 Service Reference Guide, dc5750 Recommended Action Press and hold the power button for less than 4 seconds. Check that the power button..., replace the power supply. OR Press and hold the power button for less than 4 seconds. Beeps None Possible Cause System unable to see if the 5 V_aux light on the system board is properly...Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on and LEDs are properly connected to the system board. 4....
Troubleshooting Guide - dc5750 Models
Page 25
... message. Insert a bootable diskette into the diskette drive and restart the computer. 2. Refer to the HP Backup and Recovery Manager User Guide in the Windows Start menu for the blinking red and beep codes. the system board connector labeled P60 SATA 0. Computer will not boot from a hard drive, ensure ... Storage > Device Configuration. Boot order is attached to evaluate the drive. The device is not correct. port is blinking RED and if any beeps are heard. Cause Program in use a third party reader to a SATA port that has been disabled Run the Computer Setup utility and ensure ...
... message. Insert a bootable diskette into the diskette drive and restart the computer. 2. Refer to the HP Backup and Recovery Manager User Guide in the Windows Start menu for the blinking red and beep codes. the system board connector labeled P60 SATA 0. Computer will not boot from a hard drive, ensure ... Storage > Device Configuration. Boot order is attached to evaluate the drive. The device is not correct. port is blinking RED and if any beeps are heard. Cause Program in use a third party reader to a SATA port that has been disabled Run the Computer Setup utility and ensure ...
Troubleshooting Guide - dc5750 Models
Page 37
... system advised you of the system. USB ports on the computer to resolve the resource conflict. modules were installed in the upgrade or memory 1. Beeps and flashing LEDs are disabled in the cable or connector are not bent down . When the computer is plugged into an AC power source, voltage... added if the default configuration conflicts with other devices. Power off the computer, turn on the external device, then turn on the computer are codes for the LED on the front of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the...
... system advised you of the system. USB ports on the computer to resolve the resource conflict. modules were installed in the upgrade or memory 1. Beeps and flashing LEDs are disabled in the cable or connector are not bent down . When the computer is plugged into an AC power source, voltage... added if the default configuration conflicts with other devices. Power off the computer, turn on the external device, then turn on the computer are codes for the LED on the front of personal injury from electrical shock and/or hot surfaces, be sure to disconnect the power cord from the...
Troubleshooting Guide - dc5750 Models
Page 71
... audio problems 26 hardware installation problems 31 helpful hints 8 B Backup and Recovery Manager 6 beep codes 56 boot problems 41 booting options Full Boot 49 Quick Boot 49 C CD-ROM or DVD problems 39 CMOS backing up 59 clearing and resetting ... 56 blinking PS/2 keyboard 56 M Media Card Reader problems 20 memory problems 36 monitor problems 22 mouse problems 29 N network problems 33 numeric error codes 50 E error codes 49, 56 messages 50 F flashing LEDs 56 front panel problems 43 G general problems 10 H hard drive problems 18 O optical drive problems 39 P password clearing...
... audio problems 26 hardware installation problems 31 helpful hints 8 B Backup and Recovery Manager 6 beep codes 56 boot problems 41 booting options Full Boot 49 Quick Boot 49 C CD-ROM or DVD problems 39 CMOS backing up 59 clearing and resetting ... 56 blinking PS/2 keyboard 56 M Media Card Reader problems 20 memory problems 36 monitor problems 22 mouse problems 29 N network problems 33 numeric error codes 50 E error codes 49, 56 messages 50 F flashing LEDs 56 front panel problems 43 G general problems 10 H hard drive problems 18 O optical drive problems 39 P password clearing...