Quick Setup and Getting Started Guide
Page 23
...power cord, wait a few seconds, then plug it does not restart, press the power button to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in this guide for that model printer. ● Remove all bootable media (diskette, CD, or USB device) from the ... monitor must be the default VGA source in Computer Setup. ENWW Helpful Hints 15 For example, if you have been installed. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer ...
...power cord, wait a few seconds, then plug it does not restart, press the power button to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in this guide for that model printer. ● Remove all bootable media (diskette, CD, or USB device) from the ... monitor must be the default VGA source in Computer Setup. ENWW Helpful Hints 15 For example, if you have been installed. 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
Page 30
...memory with a graphics card: 1. Cause Solution Wrong memory modules were used in the wrong location. Beeps and flashing LEDs are using the correct memory modules and to determine if you are codes for specific problems. 3. 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 with a graphics card: 1. Cause Solution Wrong memory modules were used in the wrong location. Beeps and flashing LEDs are using the correct memory modules and to determine if you are codes for specific problems. 3. 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...
Quick Setup and Getting Started Guide
Page 31
... Troubleshooting 23 Power LED flashes Red ten 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. Once bad card is identified, remove ... 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 ...
... Troubleshooting 23 Power LED flashes Red ten 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. Once bad card is identified, remove ... 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 ...
Desktop Management Guide
Page 21
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 checks for a valid system BIOS image when the system is turned on. ● If the system BIOS image is valid, the system ...If an appropriate BIOS image file is found , you will be incomplete. Turn off . 4. If the system successfully reprograms the ROM, the system will beep 8 times. NOTE: The media must be displayed on the screen. If BitLocker is automatically flashed into the ROM. When an invalid system BIOS image is...
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 checks for a valid system BIOS image when the system is turned on. ● If the system BIOS image is valid, the system ...If an appropriate BIOS image file is found , you will be incomplete. Turn off . 4. If the system successfully reprograms the ROM, the system will beep 8 times. NOTE: The media must be displayed on the screen. If BitLocker is automatically flashed into the ROM. When an invalid system BIOS image is...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 44
...9679; If the system BIOS image is a flash-protected section of the ROM that contains code that BitLocker created for BIOS image files. For more information, visit http://www.hp.com/go...invalid system BIOS image is used to locally update or restore the system BIOS of individual PCs from the centralized network management console. The setup password prevents unauthorized ROM upgrades. Simultaneously,...to flash the system BIOS. HPQFlash The HPQFlash utility is detected, the system power LED will beep 8 times. For example, if a power failure were to occur during a BIOS upgrade, ...
...9679; If the system BIOS image is a flash-protected section of the ROM that contains code that BitLocker created for BIOS image files. For more information, visit http://www.hp.com/go...invalid system BIOS image is used to locally update or restore the system BIOS of individual PCs from the centralized network management console. The setup password prevents unauthorized ROM upgrades. Simultaneously,...to flash the system BIOS. HPQFlash The HPQFlash utility is detected, the system power LED will beep 8 times. For example, if a power failure were to occur during a BIOS upgrade, ...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 218
... memory. If the problem persists, replace the RTC battery. If the problem persists, replace the RTC battery. NOTE: The computer will beep once after a POST text message is enabled. 162-System Options Not Set Configuration incorrect. If a PCI expansion card was recently added,...expansion boards. 3. See the Hardware Reference Guide for instructions on the screen. RTC (real-time clock) battery may be replaced. POST Numeric Codes and Text Messages This section covers those POST errors that may need to see if the problem remains. 2. Clear CMOS. 2. Replace the system...
... memory. If the problem persists, replace the RTC battery. If the problem persists, replace the RTC battery. NOTE: The computer will beep once after a POST text message is enabled. 162-System Options Not Set Configuration incorrect. If a PCI expansion card was recently added,...expansion boards. 3. See the Hardware Reference Guide for instructions on the screen. RTC (real-time clock) battery may be replaced. POST Numeric Codes and Text Messages This section covers those POST errors that may need to see if the problem remains. 2. Clear CMOS. 2. Replace the system...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 224
...they should be blocked or not turning. 2. NOTE: If you see if the processor fan spins. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None None Red Power LED flashes two 2 times, once every second, followed by a two ...surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to determine the front panel LED codes. Beeps stop after fifth iteration but the fan does not spin, then replace the heatsink-fan assembly. Open hood, press power button, and see...
...they should be blocked or not turning. 2. NOTE: If you see if the processor fan spins. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None None Red Power LED flashes two 2 times, once every second, followed by a two ...surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system components to determine the front panel LED codes. Beeps stop after fifth iteration but the fan does not spin, then replace the heatsink-fan assembly. Open hood, press power button, and see...
Service Reference Guide - HP Compaq dc7800 Business PC
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...flashes seven 7 times, once every second, followed by a two second pause. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 213 Reseat the processor. Replace the device that the processor is seated into the connector on the system board. Replace the... every second, followed by a two second pause. Replace the system board. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes three 3 times, once every second, followed by The incorrect external removing ALL...
...flashes seven 7 times, once every second, followed by a two second pause. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 213 Reseat the processor. Replace the device that the processor is seated into the connector on the system board. Replace the... every second, followed by a two second pause. Replace the system board. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes three 3 times, once every second, followed by The incorrect external removing ALL...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 226
... power on your region. 2. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action iteration but LEDs continue until problem is solved. checksum. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the ... card. 1. Replace the system board. Red Power LED flashes eleven 11 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but is working AC outlet. 2. system. Disable TXT in to boot. 1. Press and hold the power button ...
... power on your region. 2. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action iteration but LEDs continue until problem is solved. checksum. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the ... card. 1. Replace the system board. Red Power LED flashes eleven 11 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but is working AC outlet. 2. system. Disable TXT in to boot. 1. Press and hold the power button ...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 227
... the system board is turned on, then replace the power button harness. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 215 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. It the problem persists, replace the power supply. Check to the system board. 4. If it is...
... the system board is turned on, then replace the power button harness. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 215 Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. It the problem persists, replace the power supply. Check to the system board. 4. If it is...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 229
...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 voltage select switch (some models) is on. ● Check the Power LED on the hard drive. The flashing lights are plugged ... is turned on and the green monitor light is set to the appropriate voltage for technical assistance, be operating correctly. If the system beeps, then the keyboard should be prepared to do the following Helpful Hints on page 205 for the latest online support information, software and ...
...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 voltage select switch (some models) is on. ● Check the Power LED on the hard drive. The flashing lights are plugged ... is turned on and the green monitor light is set to the appropriate voltage for technical assistance, be operating correctly. If the system beeps, then the keyboard should be prepared to do the following Helpful Hints on page 205 for the latest online support information, software and ...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 239
... Solving Hard Drive Problems 227 Cause Program in the device's details under the Hard Drive entry. Boot order is blinking RED and if any beeps are heard. Solution Attempt the normal Windows "Shut Down" procedure. If this fails, press the power button for four or more seconds to...is not correct. See POST Error Messages on page 205 to start from a hard drive, ensure it is selected for the blinking red and beep codes. Insert a bootable diskette into the diskette drive and drive may have been damaged. Hard drive is trying to determine possible causes for the device's...
... Solving Hard Drive Problems 227 Cause Program in the device's details under the Hard Drive entry. Boot order is blinking RED and if any beeps are heard. Solution Attempt the normal Windows "Shut Down" procedure. If this fails, press the power button for four or more seconds to...is not correct. See POST Error Messages on page 205 to start from a hard drive, ensure it is selected for the blinking red and beep codes. Insert a bootable diskette into the diskette drive and drive may have been damaged. Hard drive is trying to determine possible causes for the device's...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 250
... or memory 1. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after completing installation of the new hardware. When the computer is plugged into an AC power source, voltage is bad. ...Appendix D Troubleshooting Without Diagnostics Table D-11 Solving Hardware Installation Problems A new device is not seated or connected properly. that all cables are codes for specific problems. 3. You can also use the Add Hardware Wizard and follow the instructions for the board and choose a basic configuration ...
... or memory 1. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after completing installation of the new hardware. When the computer is plugged into an AC power source, voltage is bad. ...Appendix D Troubleshooting Without Diagnostics Table D-11 Solving Hardware Installation Problems A new device is not seated or connected properly. that all cables are codes for specific problems. 3. You can also use the Add Hardware Wizard and follow the instructions for the board and choose a basic configuration ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... 220 access to computer, controlling 38 Active Management Technology, Intel vPro-branded PCs with 29 Altiris AClient 22 Deployment Solution Agent 22 asset tracking 38 ATA/ATAPI (IDE) drive cable pin assignments 196 audible codes 212 audio problems 233 B backup 28 Backup and Recovery Manager 28 backwall... removal and replacement 155 battery CMT removal and replacement 100 disposal 59 SFF removal and replacement 156 USDT removal and replacement 189 beep codes 212 bezel blanks SFF removal and replacement 115 USDT removal and replacement 165 BIOS Boot Block Emergency Recovery Mode 32 HPQFlash 32 ...
... 220 access to computer, controlling 38 Active Management Technology, Intel vPro-branded PCs with 29 Altiris AClient 22 Deployment Solution Agent 22 asset tracking 38 ATA/ATAPI (IDE) drive cable pin assignments 196 audible codes 212 audio problems 233 B backup 28 Backup and Recovery Manager 28 backwall... removal and replacement 155 battery CMT removal and replacement 100 disposal 59 SFF removal and replacement 156 USDT removal and replacement 189 beep codes 212 bezel blanks SFF removal and replacement 115 USDT removal and replacement 165 BIOS Boot Block Emergency Recovery Mode 32 HPQFlash 32 ...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
Page 96
...6 times @ 1 Hz Blinks red 7 times @ 1 Hz Blinks red 8 times @ 1 Hz Blinks red 9 times @ 1 Hz Blinks red 10 times @ 1 Hz Table 8-1 Boot Error Codes Audible (speaker) Meaning None Processor thermal shut down. Program the buffer strength control registers based on SPD data and the DIMM slots that can be... supported by using CD or replace system board. 9 beeps System powers on but fails to boot. Determine the common CAS latency that are listed in the following steps: 1. On system with ...
...6 times @ 1 Hz Blinks red 7 times @ 1 Hz Blinks red 8 times @ 1 Hz Blinks red 9 times @ 1 Hz Blinks red 10 times @ 1 Hz Table 8-1 Boot Error Codes Audible (speaker) Meaning None Processor thermal shut down. Program the buffer strength control registers based on SPD data and the DIMM slots that can be... supported by using CD or replace system board. 9 beeps System powers on but fails to boot. Determine the common CAS latency that are listed in the following steps: 1. On system with ...
Troubleshooting Guide
Page 14
... product ID number, and the monitor serial number before calling. ● Spend time troubleshooting the problem with self-solve diagnostics. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer ...you in this guide. The computer will erase all data files before taking further action: ● Check that the computer and monitor are error codes that the computer is turned on and the green power light is on. ● Check to see if it becomes necessary to call . ...
... product ID number, and the monitor serial number before calling. ● Spend time troubleshooting the problem with self-solve diagnostics. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer ...you in this guide. The computer will erase all data files before taking further action: ● Check that the computer and monitor are error codes that the computer is turned on and the green power light is on. ● Check to see if it becomes necessary to call . ...
Troubleshooting Guide
Page 25
...drive format using fdisk: If NTFS formatting, use a third party reader to configuration. Hard Drive's "Emulation Type" is blinking RED and if any beeps are heard. Solution Attempt the normal Windows "Shut Down" procedure. Cause Solution The device is attached to evaluate the drive. is listed immediately under Storage... Run the Computer Setup utility and select Storage > Boot Order and ensure the bootable hard drive's controller is selected for the blinking red and beep codes. Run the Computer Setup utility and change the "Emulation Type" to be accessed. 3.
...drive format using fdisk: If NTFS formatting, use a third party reader to configuration. Hard Drive's "Emulation Type" is blinking RED and if any beeps are heard. Solution Attempt the normal Windows "Shut Down" procedure. Cause Solution The device is attached to evaluate the drive. is listed immediately under Storage... Run the Computer Setup utility and select Storage > Boot Order and ensure the bootable hard drive's controller is selected for the blinking red and beep codes. Run the Computer Setup utility and change the "Emulation Type" to be accessed. 3.
Troubleshooting Guide
Page 38
... the configuration, Reboot the computer and follow the instructions that pins in the cable or connector are not bent down . Observe the beeps and LED lights on the computer to resolve the resource conflict. Cause Solution Wrong memory modules were used in the wrong location. NOTE... when you must always be installed. 2. Table 2-11 Solving Hardware Installation Problems A new device is not turned on the computer are codes for the board and choose a basic configuration that came with the system to determine if you still cannot resolve the issue, contact Customer...
... the configuration, Reboot the computer and follow the instructions that pins in the cable or connector are not bent down . Observe the beeps and LED lights on the computer to resolve the resource conflict. Cause Solution Wrong memory modules were used in the wrong location. NOTE... when you must always be installed. 2. Table 2-11 Solving Hardware Installation Problems A new device is not turned on the computer are codes for the board and choose a basic configuration that came with the system to determine if you still cannot resolve the issue, contact Customer...
Troubleshooting Guide
Page 55
...the RTC battery. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on installing a new battery, or ENWW POST Numeric Codes and Text Messages 49 See the Hardware Reference Guide for booting from being downloaded during POST to download during POST. If the problem ...may be encountered during POST. The section also includes some text messages that have numeric codes associated with the expansion card. 103-System Board Failure DMA or timers. 6. NOTE: The computer will beep once after a POST text message is enabled. Clear CMOS. (See Appendix B, ...
...the RTC battery. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on installing a new battery, or ENWW POST Numeric Codes and Text Messages 49 See the Hardware Reference Guide for booting from being downloaded during POST to download during POST. If the problem ...may be encountered during POST. The section also includes some text messages that have numeric codes associated with the expansion card. 103-System Board Failure DMA or timers. 6. NOTE: The computer will beep once after a POST text message is enabled. Clear CMOS. (See Appendix B, ...
Troubleshooting Guide
Page 61
...to the system board. If fan is running. When the computer is solved. Table A-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer in Suspend to wake the computer. OR The heatsink/fan assembly... is causing the failure. Check to determine the front panel LED codes. Reseat the processor. OR 2. protection activated: A fan may occur before touching. Beeps stop after fifth iteration but LEDs continue until failure occurs. If the processor fan is...
...to the system board. If fan is running. When the computer is solved. Table A-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer in Suspend to wake the computer. OR The heatsink/fan assembly... is causing the failure. Check to determine the front panel LED codes. Reseat the processor. OR 2. protection activated: A fan may occur before touching. Beeps stop after fifth iteration but LEDs continue until failure occurs. If the processor fan is...