Quick Setup and Getting Started Guide
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..., press the power button to restart the computer. 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 the needed device drivers have installed an operating system other than four seconds, ... is connected into the monitor connector on power loss is set in Computer Setup. Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in this guide for details. ● Turn up the brightness and contrast controls of the monitor if the monitor is...
..., press the power button to restart the computer. 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 the needed device drivers have installed an operating system other than four seconds, ... is connected into the monitor connector on power loss is set in Computer Setup. Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 23 in this guide for details. ● Turn up the brightness and contrast controls of the monitor if the monitor is...
Quick Setup and Getting Started Guide
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...HP memory. 4. Cause Solution Wrong memory modules were used in the wrong location. Review the documentation that came with the system to verify the proper installation. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps...must always be installed. 2. Replace the system board. 22 Quick Setup & Getting Started ENWW Beeps and flashing LEDs are using the correct memory modules and to determine if you are codes for specific problems. 3. NOTE: DIMM 1 must always be installed. 3. Power on the system...
...HP memory. 4. Cause Solution Wrong memory modules were used in the wrong location. Review the documentation that came with the system to verify the proper installation. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps...must always be installed. 2. Replace the system board. 22 Quick Setup & Getting Started ENWW Beeps and flashing LEDs are using the correct memory modules and to determine if you are codes for specific problems. 3. NOTE: DIMM 1 must always be installed. 3. Power on the system...
Quick Setup and Getting Started Guide
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Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If you hear beeps, see if fault goes away. 2. ENWW Basic Troubleshooting 23 Replace the system board. Check each option card by removing the cards one at time (if ... card. 3. Table 2 Solving Hardware Installation Problems (continued) Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. 1. Power LED flashes Red ten times, once every second, followed by...
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If you hear beeps, see if fault goes away. 2. ENWW Basic Troubleshooting 23 Replace the system board. Check each option card by removing the cards one at time (if ... card. 3. Table 2 Solving Hardware Installation Problems (continued) Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Bad option card. 1. Power LED flashes Red ten times, once every second, followed by...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 44
...hp.com/support/files and enter the model number of Remote ROM Flash. NOTE: SSM does not currently support remote ROM flash on systems that have Windows Vista BitLocker enabled and are using TPM measurements to locally update or restore the system BIOS of the ROM that contains code...must be powered on, or turned on the screen. 32 Chapter 4 Desktop Management This would invalidate the trust signature that checks for the platform. ...is found, it is not corrupt, Boot Block Emergency Recovery Mode will beep 8 times. System Software Manager allows the system administrator to perform this ...
...hp.com/support/files and enter the model number of Remote ROM Flash. NOTE: SSM does not currently support remote ROM flash on systems that have Windows Vista BitLocker enabled and are using TPM measurements to locally update or restore the system BIOS of the ROM that contains code...must be powered on, or turned on the screen. 32 Chapter 4 Desktop Management This would invalidate the trust signature that checks for the platform. ...is found, it is not corrupt, Boot Block Emergency Recovery Mode will beep 8 times. System Software Manager allows the system administrator to perform this ...
Service Reference Guide - HP Compaq dc7800 Business PC
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...the message disappears, there may be encountered during POST. Run Computer Setup and check the configuration in configuration memory. NOTE: The computer will beep once after a POST text message is used ). If an expansion board was recently added, remove it to see if the problem remains. .... 163-Time & Date Not Set Invalid time or date in Advanced > Onboard Devices. Verify the correct ROM. 2. Table C-1 Numeric Codes and Text Messages Control panel message Description Recommended action 101-Option ROM Checksum Error System ROM or expansion board option ROM checksum. 1. Remove ...
...the message disappears, there may be encountered during POST. Run Computer Setup and check the configuration in configuration memory. NOTE: The computer will beep once after a POST text message is used ). If an expansion board was recently added, remove it to see if the problem remains. .... 163-Time & Date Not Set Invalid time or date in Advanced > Onboard Devices. Verify the correct ROM. 2. Table C-1 Numeric Codes and Text Messages Control panel message Description Recommended action 101-Option ROM Checksum Error System ROM or expansion board option ROM checksum. 1. Remove ...
Service Reference Guide - HP Compaq dc7800 Business PC
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...to the following table are available on all diagnostic lights and audible codes are listed in the order in Suspend to wake the computer. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer in ...is plugged in VSFF chassis. Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Parity Check 2 Parity RAM failure. NOTE: If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on . Beeps stop after fifth iteration but LEDs continue until problem...
...to the following table are available on all diagnostic lights and audible codes are listed in the order in Suspend to wake the computer. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer in ...is plugged in VSFF chassis. Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Parity Check 2 Parity RAM failure. NOTE: If you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on . Beeps stop after fifth iteration but LEDs continue until problem...
Service Reference Guide - HP Compaq dc7800 Business PC
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... repeat this procedure until problem is seated into the connector on the USDT. For systems with the HP-supplied USDT power supply adapter. For systems with HP memory. 4. Processor not installed (not an indicator of bad processor). 1. expansion cards). Replace the... the system board. Pre-video graphics error. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 213 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 ...
... repeat this procedure until problem is seated into the connector on the USDT. For systems with the HP-supplied USDT power supply adapter. For systems with HP memory. 4. Processor not installed (not an indicator of bad processor). 1. expansion cards). Replace the... the system board. Pre-video graphics error. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 213 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 ...
Service Reference Guide - HP Compaq dc7800 Business PC
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..., followed by a two second pause. system. 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. System does not power on the rear of the Desktop Management Guide for less than 4 seconds. Check that the voltage selector (some models), is...
..., followed by a two second pause. system. 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. System does not power on the rear of the Desktop Management Guide for less than 4 seconds. Check that the voltage selector (some models), is...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 227
Check to the system board. 4. It the problem persists, replace the power supply. 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. If the problem persists, replace the system board. 5. Check that both power supply cables are properly...
Check to the system board. 4. It the problem persists, replace the power supply. 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. If the problem persists, replace the system board. 5. Check that both power supply cables are properly...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 229
... that the computer and monitor are error codes that your service call your system. ...Business Support Center (BSC) at http://www.hp.com/go /ispe. Be sure to its original factory condition in this guide. Access HP Instant Support Professional Edition at http://www.hp.com/support. ● Refer to contact HP...HP experts. If you diagnose the problem. NOTE: For sales information and warranty upgrades (Care Packs), call is dim. ● Press and hold any hardware that was recently added to your local authorized service provider or dealer. If it is flashing red. If the system beeps...
... that the computer and monitor are error codes that your service call your system. ...Business Support Center (BSC) at http://www.hp.com/go /ispe. Be sure to its original factory condition in this guide. Access HP Instant Support Professional Edition at http://www.hp.com/support. ● Refer to contact HP...HP experts. If you diagnose the problem. NOTE: For sales information and warranty upgrades (Care Packs), call is dim. ● Press and hold any hardware that was recently added to your local authorized service provider or dealer. If it is flashing red. If the system beeps...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 239
... drive's controller is trying to determine possible causes for terms and conditions. See the Worldwide Limited Warranty for the blinking red and beep codes. System files missing or not properly installed. 1. Boot order is not listed first in Computer Setup. Insert a bootable diskette into... has been hidden in the device's details under the Hard Drive entry. Hard Drive's "Emulation Type" is blinking RED and if any beeps are heard. Table D-4 Solving Hard Drive Problems (continued) Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to "None."...
... drive's controller is trying to determine possible causes for terms and conditions. See the Worldwide Limited Warranty for the blinking red and beep codes. System files missing or not properly installed. 1. Boot order is not listed first in Computer Setup. Insert a bootable diskette into... has been hidden in the device's details under the Hard Drive entry. Hard Drive's "Emulation Type" is blinking RED and if any beeps are heard. Table D-4 Solving Hard Drive Problems (continued) Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to "None."...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 250
...cord from electrical shock and/or hot surfaces, be installed. 2. Cause Solution Wrong memory modules were used in the wrong location. Observe the beeps and LED lights on the front of the new hardware. CAUTION: To avoid damage to the DIMMs or the system board, you must reconfigure...deselect the automatic settings for specific problems. 3. Cable(s) of new external device are loose or power cables are Ensure that all cables are codes for the board and choose a basic configuration that pins in the cable or connector are disabled in the connector are using the correct memory...
...cord from electrical shock and/or hot surfaces, be installed. 2. Cause Solution Wrong memory modules were used in the wrong location. Observe the beeps and LED lights on the front of the new hardware. CAUTION: To avoid damage to the DIMMs or the system board, you must reconfigure...deselect the automatic settings for specific problems. 3. Cable(s) of new external device are loose or power cables are Ensure that all cables are codes for the board and choose a basic configuration that pins in the cable or connector are disabled in the connector are using the correct memory...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 270
...backwall, SFF 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 Remote ROM Flash... 32 Boot Block Emergency Recovery Mode 32 boot problems 246 bootable device creating 35 DiskOnKey 35, 36 HP Drive Key 35, 36 USB flash media device 35 booting options Full Boot 205 Quick Boot 205 C cable CMT hard drive removal and ...
...backwall, SFF 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 Remote ROM Flash... 32 Boot Block Emergency Recovery Mode 32 boot problems 246 bootable device creating 35 DiskOnKey 35, 36 HP Drive Key 35, 36 USB flash media device 35 booting options Full Boot 205 Quick Boot 205 C cable CMT hard drive removal and ...
Technical Reference Guide: HP Compaq dc7800 Series Business Desktop Computers
Page 96
...Reflash ROM using CD or replace system board. 9 beeps System powers on SPD data and the DIMM slots that...@ 1 Hz Table 8-1 Boot Error Codes Audible (speaker) Meaning None Processor thermal shut down. Enable refresh. 8.3.4 Boot Error Codes The BIOS provides visual and audible indications... of a failed system boot by the DIMMs. 3. Incompatible or incorrectly seated DIMM. 6 beeps Pre-video graphics error. On system with graphics card, check/replace graphics card. 7 beeps...beeps Pre-video memory error. None Bad option card. 8-4 www...
...Reflash ROM using CD or replace system board. 9 beeps System powers on SPD data and the DIMM slots that...@ 1 Hz Table 8-1 Boot Error Codes Audible (speaker) Meaning None Processor thermal shut down. Enable refresh. 8.3.4 Boot Error Codes The BIOS provides visual and audible indications... of a failed system boot by the DIMMs. 3. Incompatible or incorrectly seated DIMM. 6 beeps Pre-video graphics error. On system with graphics card, check/replace graphics card. 7 beeps...beeps Pre-video memory error. None Bad option card. 8-4 www...
Troubleshooting Guide
Page 14
...hp.com/go /ispe. Helpful Hints If you encounter problems with 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... the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for at http://www.hp.com/support. ● Refer to contact HP support, use HP Instant Support...CAUTION: Restoring the system will 8 Chapter 2 Troubleshooting Without Diagnostics ENWW If the system beeps, then the keyboard should be prepared to do the following Helpful Hints on . ...
...hp.com/go /ispe. Helpful Hints If you encounter problems with 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... the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for at http://www.hp.com/support. ● Refer to contact HP support, use HP Instant Support...CAUTION: Restoring the system will 8 Chapter 2 Troubleshooting Without Diagnostics ENWW If the system beeps, then the keyboard should be prepared to do the following Helpful Hints on . ...
Troubleshooting Guide
Page 25
.... 3. Run the Computer Setup utility and select Storage > Boot Order and ensure the bootable hard drive's controller is blinking RED and if any beeps are heard. Run the Computer Setup utility and change the "Emulation Type" to turn off the power. If FAT32 formatting, the hard drive cannot... order is selected for the device's SATA port in Storage > Boot Order. If this fails, press the power button for the blinking red and beep codes. Install system files for terms and conditions. Check the hard drive format using Fdisk: If NFTFS formatting, use a third party reader to evaluate the...
.... 3. Run the Computer Setup utility and select Storage > Boot Order and ensure the bootable hard drive's controller is blinking RED and if any beeps are heard. Run the Computer Setup utility and change the "Emulation Type" to turn off the power. If FAT32 formatting, the hard drive cannot... order is selected for the device's SATA port in Storage > Boot Order. If this fails, press the power button for the blinking red and beep codes. Install system files for terms and conditions. Check the hard drive format using Fdisk: If NFTFS formatting, use a third party reader to evaluate the...
Troubleshooting Guide
Page 38
... the power cord from electrical shock and/or hot surfaces, be installed. 2. Enter Computer Setup (F10) and enable the USB ports. Beeps and flashing LEDs are codes for the board and choose a basic configuration that pins in the cable or connector are not bent down . Computer will not start.... the device and configures the computer. If you install a non-plug and play board may need to resolve the resource conflict. Observe the beeps and LED lights on . Ensure that the device is not seated or connected properly. Cable(s) of personal injury from the wall outlet and ...
... the power cord from electrical shock and/or hot surfaces, be installed. 2. Enter Computer Setup (F10) and enable the USB ports. Beeps and flashing LEDs are codes for the board and choose a basic configuration that pins in the cable or connector are not bent down . Computer will not start.... the device and configures the computer. If you install a non-plug and play board may need to resolve the resource conflict. Observe the beeps and LED lights on . Ensure that the device is not seated or connected properly. Cable(s) of personal injury from the wall outlet and ...
Troubleshooting Guide
Page 55
... Buffers @ Top of Memory Space for instructions on installing a new battery, or ENWW POST Numeric Codes and Text Messages 49 Remove expansion boards. 3. NOTE: The computer will beep once after a POST text message is used ). POST Numeric Codes and Text Messages This section covers those POST errors that may be encountered during POST...
... Buffers @ Top of Memory Space for instructions on installing a new battery, or ENWW POST Numeric Codes and Text Messages 49 Remove expansion boards. 3. NOTE: The computer will beep once after a POST text message is used ). POST Numeric Codes and Text Messages This section covers those POST errors that may be encountered during POST...
Troubleshooting Guide
Page 61
... system components to the processor. power supply cable is seated into an AC power source, voltage is overloaded). Table A-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. WARNING! Red Power LED flashes four 4 times, once every second, followed by The incorrect external removing...
... system components to the processor. power supply cable is seated into an AC power source, voltage is overloaded). Table A-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. WARNING! Red Power LED flashes four 4 times, once every second, followed by The incorrect external removing...
Troubleshooting Guide
Page 62
...is solved. For systems with the HP-supplied USDT power supply adapter. Beeps stop after fifth iteration but is set to isolate the faulty module. 3. Invalid ROM based on your region. 2. System powers on the rear of the Desktop Management Guide for more information. 2.... every second, followed by a two second pause. Pre-video memory error. Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. checksum. Replace the power supply. 4. Replace the processor. 56 Appendix A POST Error Messages ENWW
...is solved. For systems with the HP-supplied USDT power supply adapter. Beeps stop after fifth iteration but is set to isolate the faulty module. 3. Invalid ROM based on your region. 2. System powers on the rear of the Desktop Management Guide for more information. 2.... every second, followed by a two second pause. Pre-video memory error. Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. checksum. Replace the power supply. 4. Replace the processor. 56 Appendix A POST Error Messages ENWW