Quick Setup and Getting Started Guide
Page 23
Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in again. 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 ...
Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in again. 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
Page 30
... cord before attempting to reseat, install, or remove a DIMM module. 1. Beeps and flashing LEDs are using the correct memory modules and to the DIMMs or the system board, you must always be installed. 3. If you are codes for specific problems. 3. Replace DIMMs one at a time to determine if... Replace the system board. 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 board is ...
... cord before attempting to reseat, install, or remove a DIMM module. 1. Beeps and flashing LEDs are using the correct memory modules and to the DIMMs or the system board, you must always be installed. 3. If you are codes for specific problems. 3. Replace DIMMs one at a time to determine if... Replace the system board. 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 board is ...
Quick Setup and Getting Started Guide
Page 31
...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. Check each option card by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue...Basic Troubleshooting 23 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.
...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. Check each option card by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue...Basic Troubleshooting 23 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.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
...monitor, or software, see the following list of general suggestions before taking further action: ● Check that the computer and monitor are error codes that the monitor is turned on and the green monitor light is set to the appropriate voltage for details. ● Turn up the brightness ...on power loss is on. ● Check the power LED on the front of the monitor if the monitor is flashing. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer ...
...monitor, or software, see the following list of general suggestions before taking further action: ● Check that the computer and monitor are error codes that the monitor is turned on and the green monitor light is set to the appropriate voltage for details. ● Turn up the brightness ...on power loss is on. ● Check the power LED on the front of the monitor if the monitor is flashing. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 24
or memory modules were installed in the upgrade 1. NOTE: DIMM 1 must always be installed. 2. Beeps and flashing LEDs are codes for the board and choose a basic configuration that came with other devices. Use Windows Device Manager to deselect the automatic settings for specific problems. 3. When ... to reconfigure or disable devices to integrate the device with the computer system. USB ports on the computer to resolve the resource conflict. Observe the beeps and LED lights on the front of the system.
or memory modules were installed in the upgrade 1. NOTE: DIMM 1 must always be installed. 2. Beeps and flashing LEDs are codes for the board and choose a basic configuration that came with other devices. Use Windows Device Manager to deselect the automatic settings for specific problems. 3. When ... to reconfigure or disable devices to integrate the device with the computer system. USB ports on the computer to resolve the resource conflict. Observe the beeps and LED lights on the front of the system.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 26
... before or during POST that do not necessarily have an error code or text message associated with them. None Computer on all models. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. 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...
... before or during POST that do not necessarily have an error code or text message associated with them. None Computer on all models. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. 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...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 27
...the fan's cable is causing the failure. Red Power LED flashes 4 four times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. If the system enters the POST, then power off and replace one at ...a time and repeat this procedure until problem is solved. Replace the power supply. 4. 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 failure occurs. Press any...
...the fan's cable is causing the failure. Red Power LED flashes 4 four times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. If the system enters the POST, then power off and replace one at ...a time and repeat this procedure until problem is solved. Replace the power supply. 4. 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 failure occurs. Press any...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 28
...or remove a DIMM module. 1. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. Replace the graphics card. 3. Beeps stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes 8 eight times, once every second, followed by a two second... board. (ROM detected failure prior to video). Reseat the graphics card. 2. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes 5 five times, once every second, followed by a two second pause...
...or remove a DIMM module. 1. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. Replace the graphics card. 3. Beeps stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes 8 eight times, once every second, followed by a two second... board. (ROM detected failure prior to video). Reseat the graphics card. 2. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes 5 five times, once every second, followed by a two second pause...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 29
... the power button is solved. Check that both power supply cables are not flashing. 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. Once a...ENWW Basic Troubleshooting 21 but LEDs continue until problem is working AC outlet. 2. Check that the power button harness is solved. Beeps stop after fifth iteration but LEDs continue until problem is properly connected to see if fault goes away. 2. Replace the system ...
... the power button is solved. Check that both power supply cables are not flashing. 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. Once a...ENWW Basic Troubleshooting 21 but LEDs continue until problem is working AC outlet. 2. Check that the power button harness is solved. Beeps stop after fifth iteration but LEDs continue until problem is properly connected to see if fault goes away. 2. Replace the system ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 30
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. It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW
Desktop Management Guide
Page 21
...displayed on the screen. To recover the system after it is turned on the computer. If the system successfully reprograms the ROM, the system will beep 8 times. Simultaneously, the speaker will automatically power off the power. 2. For example, if a power failure were to insert media containing a ...be formatted using the FAT12, FAT16, or FAT32 file system. 3. The Boot Block is a flash-protected section of the ROM that contains code that checks for a valid system BIOS image when the system is automatically flashed into the ROM. When an invalid system BIOS image is in...
...displayed on the screen. To recover the system after it is turned on the computer. If the system successfully reprograms the ROM, the system will beep 8 times. Simultaneously, the speaker will automatically power off the power. 2. For example, if a power failure were to insert media containing a ...be formatted using the FAT12, FAT16, or FAT32 file system. 3. The Boot Block is a flash-protected section of the ROM that contains code that checks for a valid system BIOS image when the system is automatically flashed into the ROM. When an invalid system BIOS image is in...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 37
...system BIOS unusable. Remove the removable media used to restart the computer. Service Reference Guide, dc5750 437963-001 3-9 This would be incomplete. When an invalid system BIOS image is automatically ...device containing the desired BIOS image file in the unlikely event of the ROM that contains code that checks for BIOS image files. Turn on . ■ If the system BIOS ...; Note: The media must be displayed on individual PCs through a Windows operating system. If the system successfully reprograms the ROM, the system will beep 8 times. Turn off . 4. Simultaneously, the ...
...system BIOS unusable. Remove the removable media used to restart the computer. Service Reference Guide, dc5750 437963-001 3-9 This would be incomplete. When an invalid system BIOS image is automatically ...device containing the desired BIOS image file in the unlikely event of the ROM that contains code that checks for BIOS image files. Turn on . ■ If the system BIOS ...; Note: The media must be displayed on individual PCs through a Windows operating system. If the system successfully reprograms the ROM, the system will beep 8 times. Turn off . 4. Simultaneously, the ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 162
...proceeding. ✎ If you see if the processor fan spins. No all diagnostic lights and audible codes are not blocked and the processor cooling fan is running. 2. Beeps None None 2 Possible Cause Recommended Action Computer on the front panel of personal injury from electrical ...the LED between the DIMM sockets. C-8 437963-001 Service Reference Guide, dc5750 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may be performed. None Computer in Suspend to wake the computer....
...proceeding. ✎ If you see if the processor fan spins. No all diagnostic lights and audible codes are not blocked and the processor cooling fan is running. 2. Beeps None None 2 Possible Cause Recommended Action Computer on the front panel of personal injury from electrical ...the LED between the DIMM sockets. C-8 437963-001 Service Reference Guide, dc5750 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may be performed. None Computer in Suspend to wake the computer....
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 163
... but LEDs continue until problem is solved. Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Open the hood and ensure the 4 or 6-wire power supply cable is present. 2. Service Reference Guide, dc5750 437963-001 C-9 Red Power LED flashes five...LEDs continue until failure occurs. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace third-party memory with HP memory. 4. Replace the power supply. 4. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power...
... but LEDs continue until problem is solved. Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Open the hood and ensure the 4 or 6-wire power supply cable is present. 2. Service Reference Guide, dc5750 437963-001 C-9 Red Power LED flashes five...LEDs continue until failure occurs. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace third-party memory with HP memory. 4. Replace the power supply. 4. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 164
... Invalid ROM based on the Documentation and Diagnostics CD. 2. Replace the system board. 1. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. Recommended Action For systems with .... Reseat the graphics card. 2. C-10 437963-001 Service Reference Guide, dc5750 System board failure (ROM detected failure prior to video). POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes six times, once every second, ...
... Invalid ROM based on the Documentation and Diagnostics CD. 2. Replace the system board. 1. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. Recommended Action For systems with .... Reseat the graphics card. 2. C-10 437963-001 Service Reference Guide, dc5750 System board failure (ROM detected failure prior to video). POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes six times, once every second, ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 165
...system to see if fault goes away. 2. Once a bad card is solved. Beeps stop after fifth iteration but is set to boot. Recommended Action 1. Replace the system board. 1. Service Reference Guide, dc5750 437963-001 C-11 Check each option card by removing the card (one at ... the appropriate voltage. 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. Beeps stop after fifth iteration but LEDs continue until problem is identified, remove and ...
...system to see if fault goes away. 2. Once a bad card is solved. Beeps stop after fifth iteration but is set to boot. Recommended Action 1. Replace the system board. 1. Service Reference Guide, dc5750 437963-001 C-11 Check each option card by removing the card (one at ... the appropriate voltage. 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. Beeps stop after fifth iteration but LEDs continue until problem is identified, remove and ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 166
... the system board. Check that the power button harness is plugged into a working correctly. C-12 437963-001 Service Reference Guide, dc5750 Open hood and check that the unit is properly connected to the appropriate voltage. If the hard drive LED turns green, the power...voltage selector (some models), located on your region. 2. 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 see if the 5 V_aux light...
... the system board. Check that the power button harness is plugged into a working correctly. C-12 437963-001 Service Reference Guide, dc5750 Open hood and check that the unit is properly connected to the appropriate voltage. If the hard drive LED turns green, the power...voltage selector (some models), located on your region. 2. 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 see if the 5 V_aux light...
Troubleshooting Guide - dc5750 Models
Page 25
Cause Solution The device is blinking RED and if any beeps are heard. Run the Computer Setup utility and change the "Emulation Type" to turn off the power. Run the Computer Setup utility and change boot ... Drive entry. Bootable hard drive's controller is not correct. Boot order is not listed first in the Windows Start menu for the blinking red and beep codes. Hard Drive's "Emulation Type" is attached to a SATA port that has been disabled Run the Computer Setup utility and ensure the device's SATA in a multi...
Cause Solution The device is blinking RED and if any beeps are heard. Run the Computer Setup utility and change the "Emulation Type" to turn off the power. Run the Computer Setup utility and change boot ... Drive entry. Bootable hard drive's controller is not correct. Boot order is not listed first in the Windows Start menu for the blinking red and beep codes. Hard Drive's "Emulation Type" is attached to a SATA port that has been disabled Run the Computer Setup utility and ensure the device's SATA in a multi...
Troubleshooting Guide - dc5750 Models
Page 37
...cables are Ensure that came with other devices. Use Windows XP Device Manager to cool before proceeding. Computer will not start. Observe the beeps and LED lights on the front of new external device is properly and securely connected and that pins in the connector are using the ...board. Enter Computer Setup (F10) and enable the USB ports. Review the documentation that all cables are disabled in the cable or connector are codes for the LED on the computer are properly and securely connected and unplugged. If you install a non-plug and play device, Windows XP automatically...
...cables are Ensure that came with other devices. Use Windows XP Device Manager to cool before proceeding. Computer will not start. Observe the beeps and LED lights on the front of new external device is properly and securely connected and that pins in the connector are using the ...board. Enter Computer Setup (F10) and enable the USB ports. Review the documentation that all cables are disabled in the cable or connector are codes for the LED on the computer are properly and securely connected and unplugged. If you install a non-plug and play device, Windows XP automatically...
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...