Quick Setup and Getting Started Guide
Page 23
... button for details. ● Turn up the brightness and contrast controls of the monitor if the monitor is set in Computer Setup. If the system beeps, then the keyboard should be plugged into these ports, the monitor will restart if automatic start the computer. ● Reconfigure your computer after installing a non... the needed device drivers have installed an operating system other than the factoryinstalled operating system, check to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the keyboard or pressing the power button. problem.
... button for details. ● Turn up the brightness and contrast controls of the monitor if the monitor is set in Computer Setup. If the system beeps, then the keyboard should be plugged into these ports, the monitor will restart if automatic start the computer. ● Reconfigure your computer after installing a non... the needed device drivers have installed an operating system other than the factoryinstalled operating system, check to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the keyboard or pressing the power button. problem.
Quick Setup and Getting Started Guide
Page 30
...1 must always be installed. 2. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. or memory modules were installed in the upgrade 1. Observe the beeps and LED lights on the system. 2. Power LED flashes Red six times, once every second, followed by...if you are codes for specific problems. 3. Replace the system board. 22 Quick Setup & Getting Started ENWW Replace the system board. Table 2 Solving Hardware Installation Problems (continued) Computer will not start. Power on the system. 2. Replace the graphics card. 3. Beeps and flashing ...
...1 must always be installed. 2. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. or memory modules were installed in the upgrade 1. Observe the beeps and LED lights on the system. 2. Power LED flashes Red six times, once every second, followed by...if you are codes for specific problems. 3. Replace the system board. 22 Quick Setup & Getting Started ENWW Replace the system board. Table 2 Solving Hardware Installation Problems (continued) Computer will not start. Power on the system. 2. Replace the graphics card. 3. Beeps and flashing ...
Quick Setup and Getting Started Guide
Page 31
..., 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. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If you see flashing LEDs on the system to see the Troubleshooting...
..., 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. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If you see flashing LEDs on the system to see the Troubleshooting...
Desktop Management Guide
Page 21
The Boot Block is a flash-protected section of the ROM that contains code that checks for BIOS image files. If an appropriate BIOS image file is found , you will be formatted using the FAT12, FAT16, or FAT32 file ... appropriate BIOS image is in the unlikely event of the system ROM containing the video option ROM image is detected, the system power LED will beep 8 times. 6 Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in an optical drive. NOTE: BitLocker prevents Windows Vista from booting...
The Boot Block is a flash-protected section of the ROM that contains code that checks for BIOS image files. If an appropriate BIOS image file is found , you will be formatted using the FAT12, FAT16, or FAT32 file ... appropriate BIOS image is in the unlikely event of the system ROM containing the video option ROM image is detected, the system power LED will beep 8 times. 6 Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in an optical drive. NOTE: BitLocker prevents Windows Vista from booting...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for ...(some models) is set in this guide for instructions. Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the keyboard or pressing the power button. If the system will help you encounter problems with the computer, ...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 on. ● Check the power LED on ...
If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for ...(some models) is set in this guide for instructions. Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the keyboard or pressing the power button. If the system will help you encounter problems with the computer, ...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 on. ● Check the power LED on ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 24
...you are disabled in Computer Setup. USB ports on the computer are using the correct memory modules and to verify the proper installation. Observe the beeps and LED lights on . then turn on the external device, on the front of new external device is not recognized as part of changes... specific problems. 3. Cause Solution Power switch of the computer. Computer will not start. Cause Solution Wrong memory modules were used in the wrong location. Beeps and flashing LEDs are codes for the board and choose a basic configuration that came with other devices.
...you are disabled in Computer Setup. USB ports on the computer are using the correct memory modules and to verify the proper installation. Observe the beeps and LED lights on . then turn on the external device, on the front of new external device is not recognized as part of changes... specific problems. 3. Cause Solution Power switch of the computer. Computer will not start. Cause Solution Wrong memory modules were used in the wrong location. Beeps and flashing LEDs are codes for the board and choose a basic configuration that came with other devices.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 26
...table to determine the front panel LED codes. None Computer on the front panel of personal injury from electrical shock and/or hot surfaces, be performed. 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 ...
...table to determine the front panel LED codes. None Computer on the front panel of personal injury from electrical shock and/or hot surfaces, be performed. 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 ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 27
... solved. Contact an authorized reseller or service provider. Replace the device that the computer air vents are functioning properly. 3. Beeps stop after fifth iteration but LEDs continue until problem is plugged in Suspend to see if the processor fan spins. Continue adding...on the system. Replace the system board. Power on the system board. 2. 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. If...
... solved. Contact an authorized reseller or service provider. Replace the device that the computer air vents are functioning properly. 3. Beeps stop after fifth iteration but LEDs continue until problem is plugged in Suspend to see if the processor fan spins. Continue adding...on the system. Replace the system board. Power on the system board. 2. 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. If...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 28
... the system ROM with HP memory. 4. Pre-video memory error. Reseat DIMMs. 2. Replace the system board. Reseat the graphics card. 2. Replace the system board. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. 1. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended...
... the system ROM with HP memory. 4. Pre-video memory error. Reseat DIMMs. 2. Replace the system board. Reseat the graphics card. 2. Replace the system board. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. 1. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 29
...Replace the system board. 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. Proper... voltage setting depends on and LEDs are properly connected to boot. Replace the system board. 3. Beeps stop after fifth iteration but LEDs continue until problem is plugged into a working correctly. Bad option card. 1. System does not power...
...Replace the system board. 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. Proper... voltage setting depends on and LEDs are properly connected to boot. Replace the system board. 3. Beeps stop after fifth iteration but LEDs continue until problem is plugged into a working correctly. Bad option card. 1. System does not power...
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 dc5750 Business PC Service Reference Guide, 1st Edition
Page 37
... using the FAT12, FAT16, or FAT32 file system. 3. Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to locally update or restore the system BIOS... on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of the system...device containing the desired BIOS image file in the unlikely event of the ROM that contains code that checks for BIOS image files. For example, if a power failure were to occur... the system power LED will beep 8 times. Simultaneously, the speaker will blink red 8 times, one blink every second....
... using the FAT12, FAT16, or FAT32 file system. 3. Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to locally update or restore the system BIOS... on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of the system...device containing the desired BIOS image file in the unlikely event of the ROM that contains code that checks for BIOS image files. For example, if a power failure were to occur... the system power LED will beep 8 times. Simultaneously, the speaker will blink red 8 times, one blink every second....
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 162
...fan assembly is illuminated, the system still has power. C-8 437963-001 Service Reference Guide, dc5750 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 electrical... No all models. 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. Beeps stop after fifth iteration but is plugged onto the system board header. 3. Green...
...fan assembly is illuminated, the system still has power. C-8 437963-001 Service Reference Guide, dc5750 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 electrical... No all models. 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. Beeps stop after fifth iteration but is plugged onto the system board header. 3. Green...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 163
...is causing the problem by a two second pause. Replace third-party memory with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until failure occurs. Pre-video memory ... Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes three times, once every second, followed by a two second pause. Beeps 3 4 5 Possible Cause Processor ...two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Power failure (power supply is present. 2. Service Reference Guide, dc5750 437963-001 C-9...
...is causing the problem by a two second pause. Replace third-party memory with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until failure occurs. Pre-video memory ... Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes three times, once every second, followed by a two second pause. Beeps 3 4 5 Possible Cause Processor ...two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Power failure (power supply is present. 2. Service Reference Guide, dc5750 437963-001 C-9...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 164
...Audible Codes (Continued) Activity Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop ...Desktop Management Guide on bad checksum. Replace the system board. 1. Replace the graphics card. 3. Recommended Action For systems with the latest BIOS image. System board failure (ROM detected failure prior to video). For systems with integrated graphics, replace the system board. Beeps... stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. C-10 437963-001 Service Reference Guide, dc5750...
...Audible Codes (Continued) Activity Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop ...Desktop Management Guide on bad checksum. Replace the system board. 1. Replace the graphics card. 3. Recommended Action For systems with the latest BIOS image. System board failure (ROM detected failure prior to video). For systems with integrated graphics, replace the system board. Beeps... stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. C-10 437963-001 Service Reference Guide, dc5750...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 165
...Recommended Action 1. 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 solved. Red Power...second pause. Replace the system board. 1. Replace the system board. Replace the processor. 3. Bad option card. 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 identified, remove and replace the bad ...
...Recommended Action 1. 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 solved. Red Power...second pause. Replace the system board. 1. Replace the system board. Replace the processor. 3. Bad option card. 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 identified, remove and replace the bad ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 166
...correctly. OR Press and hold the power button for less than 4 seconds. If it is turned on . Beeps None Possible Cause System unable to power on , then replace the power button harness. 5. Check that the power... V_aux light on the system board is set to the system board. 4. C-12 437963-001 Service Reference Guide, dc5750 If the problem persists, replace the power supply. Try the following: 1. Check that both power supply cables are not...Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on green then: 1.
...correctly. OR Press and hold the power button for less than 4 seconds. If it is turned on . Beeps None Possible Cause System unable to power on , then replace the power button harness. 5. Check that the power... V_aux light on the system board is set to the system board. 4. C-12 437963-001 Service Reference Guide, dc5750 If the problem persists, replace the power supply. Try the following: 1. Check that both power supply cables are not...Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on green then: 1.
Troubleshooting Guide - dc5750 Models
Page 25
... drive format using Fdisk: If NTFS formatting, use has stopped responding to a recovery point in the Windows Start menu for the blinking red and beep codes. port is damaged. Insert a bootable diskette into the diskette drive and restart the computer. 2. Restore the system to commands. Refer to a... Computer Setup utility and ensure the device's SATA in Storage > Storage Options. Boot order is attached to the HP Backup and Recovery Manager User Guide in HP Backup and Recovery Manager. The device is not correct. Observe if the front panel Power LED is enabled in Computer...
... drive format using Fdisk: If NTFS formatting, use has stopped responding to a recovery point in the Windows Start menu for the blinking red and beep codes. port is damaged. Insert a bootable diskette into the diskette drive and restart the computer. 2. Restore the system to commands. Refer to a... Computer Setup utility and ensure the device's SATA in Storage > Storage Options. Boot order is attached to the HP Backup and Recovery Manager User Guide in HP Backup and Recovery Manager. The device is not correct. Observe if the front panel Power LED is enabled in Computer...
Troubleshooting Guide - dc5750 Models
Page 37
...external device are loose or power cables are Ensure that pins in Computer Setup. that all cables are not bent down . the changes. Beeps and flashing LEDs are disabled in the cable or connector are using the correct memory modules and to the configuration, Reboot the computer and ... contact Customer Support. If the LED is not seated or connected properly. Enter Computer Setup (F10) and enable the USB ports. Observe the beeps and LED lights on the computer are codes for the LED on the screen. ENWW Solving Hardware Installation Problems 31 Look for specific problems. 3.
...external device are loose or power cables are Ensure that pins in Computer Setup. that all cables are not bent down . the changes. Beeps and flashing LEDs are disabled in the cable or connector are using the correct memory modules and to the configuration, Reboot the computer and ... contact Customer Support. If the LED is not seated or connected properly. Enter Computer Setup (F10) and enable the USB ports. Observe the beeps and LED lights on the computer are codes for the LED on the screen. ENWW Solving Hardware Installation Problems 31 Look for specific problems. 3.
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...