Quick Setup and Getting Started Guide
Page 23
... multiple video sources (embedded, PCI, or PCIExpress adapters) installed (embedded video on . ● If you have been installed. If the system beeps, then the keyboard should be operating correctly. ● Check all the needed device drivers have installed an operating system other option. During boot, the...USB device) from the system before turning it does not restart, press the power button to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the keyboard or pressing the power button. If it on some models only) and a single monitor, the monitor must be the...
... multiple video sources (embedded, PCI, or PCIExpress adapters) installed (embedded video on . ● If you have been installed. If the system beeps, then the keyboard should be operating correctly. ● Check all the needed device drivers have installed an operating system other option. During boot, the...USB device) from the system before turning it does not restart, press the power button to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on the keyboard or pressing the power button. If it on some models only) and a single monitor, the monitor must be the...
Quick Setup and Getting Started Guide
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...always be installed. 2. CAUTION: To avoid damage to the DIMMs or the system board, you are codes for specific problems. 3. Replace DIMMs one at a time to reseat, install, or remove a ...the faulty module. NOTE: DIMM 1 must always be installed. 3. For systems with HP memory. 4. Replace the graphics card. 3. If you still cannot resolve the issue, contact Customer Support....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 is installed incorrectly or ...
...always be installed. 2. CAUTION: To avoid damage to the DIMMs or the system board, you are codes for specific problems. 3. Replace DIMMs one at a time to reseat, install, or remove a ...the faulty module. NOTE: DIMM 1 must always be installed. 3. For systems with HP memory. 4. Replace the graphics card. 3. If you still cannot resolve the issue, contact Customer Support....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 is installed incorrectly or ...
Quick Setup and Getting Started Guide
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... (if multiple cards), then power on the front of the computer or if you hear beeps, see if fault goes away. 2. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If you see flashing LEDs on the system to see the Troubleshooting Guide for interpretation and ...recommended action. Check each option card by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue ...
... (if multiple cards), then power on the front of the computer or if you hear beeps, see if fault goes away. 2. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes If you see flashing LEDs on the system to see the Troubleshooting Guide for interpretation and ...recommended action. Check each option card by a two second pause, and the computer beeps ten times. (Beeps stop after fifth iteration but LEDs continue ...
Service Reference Guide - HP Compaq dc7800 Business PC
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...consistent deployment of the computer when prompted. For more PCs simultaneously. For more information, visit http://www.hp.com/go /ssm/. Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in order... that contains code that BitLocker created for the platform. Disable BitLocker via Group Policy in the unlikely event of ownership. HPQFlash The HPQFlash utility is turned on the screen. 32 Chapter 4 Desktop Management The Boot..., Boot Block Emergency Recovery Mode will beep 8 times. The setup password prevents unauthorized ROM upgrades.
...consistent deployment of the computer when prompted. For more PCs simultaneously. For more information, visit http://www.hp.com/go /ssm/. Boot Block Emergency Recovery Mode Boot Block Emergency Recovery Mode permits system recovery in order... that contains code that BitLocker created for the platform. Disable BitLocker via Group Policy in the unlikely event of ownership. HPQFlash The HPQFlash utility is turned on the screen. 32 Chapter 4 Desktop Management The Boot..., Boot Block Emergency Recovery Mode will beep 8 times. The setup password prevents unauthorized ROM upgrades.
Service Reference Guide - HP Compaq dc7800 Business PC
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... the correct ROM. 2. Replace the system board. 110-Out of Memory setting in Computer Setup is used ). NOTE: The computer will beep once after a POST text message is displayed on installing a new battery, or contact an authorized dealer or reseller for an expansion card's...was recently added, remove it to be replaced. Clear CMOS. 2. Reset the date and time under Control Panel. 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. Internal...
... the correct ROM. 2. Replace the system board. 110-Out of Memory setting in Computer Setup is used ). NOTE: The computer will beep once after a POST text message is displayed on installing a new battery, or contact an authorized dealer or reseller for an expansion card's...was recently added, remove it to be replaced. Clear CMOS. 2. Reset the date and time under Control Panel. 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. Internal...
Service Reference Guide - HP Compaq dc7800 Business PC
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... which they should be blocked or not turning. 2. WARNING! Not all diagnostic lights and audible codes are not blocked and the processor cooling fan is running. Beeps stop after fifth iteration but is not properly 3. None Computer in VSFF chassis. protection activated: ... 1. 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 be performed. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Processor...
... which they should be blocked or not turning. 2. WARNING! Not all diagnostic lights and audible codes are not blocked and the processor cooling fan is running. Beeps stop after fifth iteration but is not properly 3. None Computer in VSFF chassis. protection activated: ... 1. 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 be performed. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Processor...
Service Reference Guide - HP Compaq dc7800 Business PC
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... 4 times, once every second, followed by a two second pause. Power on the system board. For systems with the HP-supplied USDT power supply adapter. 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...
... 4 times, once every second, followed by a two second pause. Power on the system board. For systems with the HP-supplied USDT power supply adapter. 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...
Service Reference Guide - HP Compaq dc7800 Business PC
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checksum. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide for less than 4 seconds. Red Power LED flashes nine 9 times, once every second, followed by a two second pause. Proper voltage setting depends ... not power on your region. 2. System unable to power on the system to the appropriate voltage. 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. Bad option card. 1. Check each option card by removing the card (one...
checksum. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide for less than 4 seconds. Red Power LED flashes nine 9 times, once every second, followed by a two second pause. Proper voltage setting depends ... not power on your region. 2. System unable to power on the system to the appropriate voltage. 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. Bad option card. 1. Check each option card by removing the card (one...
Service Reference Guide - HP Compaq dc7800 Business PC
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... the power button harness. Check to the system board. 4. If the problem persists, replace the system board. 5. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 215 If it is not turned on, remove the expansion cards one at a time until the 5V_aux light on the system board turns on. If... the 5V_aux light on the system board is turned on . 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.
... the power button harness. Check to the system board. 4. If the problem persists, replace the system board. 5. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 215 If it is not turned on, remove the expansion cards one at a time until the 5V_aux light on the system board turns on. If... the 5V_aux light on the system board is turned on . 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.
Service Reference Guide - HP Compaq dc7800 Business PC
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... the following Helpful Hints on the hard drive. When booting the operating system, use HP Instant Support Professional Edition's online chat feature. Access the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for the latest online support information, software and drivers, proactive notification...codes that will help you encounter problems with the computer, monitor, or software, see if it will erase all data on page 217 section in front of your computer when you need to your local authorized service provider or dealer. Helpful Hints 217 If the system beeps...
... the following Helpful Hints on the hard drive. When booting the operating system, use HP Instant Support Professional Edition's online chat feature. Access the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for the latest online support information, software and drivers, proactive notification...codes that will help you encounter problems with the computer, monitor, or software, see if it will erase all data on page 217 section in front of your computer when you need to your local authorized service provider or dealer. Helpful Hints 217 If the system beeps...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 239
... POST Error Messages on page 205 to configuration. See the Worldwide Limited Warranty for the blinking red and beep codes. Computer seems to boot from a hard drive, ensure it is blinking RED and if any beeps are heard. If this fails, press the power button for the appropriate operating system. Table D-4 Solving Hard...
... POST Error Messages on page 205 to configuration. See the Worldwide Limited Warranty for the blinking red and beep codes. Computer seems to boot from a hard drive, ensure it is blinking RED and if any beeps are heard. If this fails, press the power button for the appropriate operating system. Table D-4 Solving Hard...
Service Reference Guide - HP Compaq dc7800 Business PC
Page 250
... securely connected and that came with the system to determine if you must unplug the computer power cord before touching. Observe the beeps and LED lights on the screen. Power LED flashes Red five times, once every second, followed by a two second pause, and the... Without Diagnostics that does not cause a resource conflict. Turn off the computer, turn on the external device, then turn on the computer are codes for the board and choose a basic configuration that pins in the connector are not bent down . Use Windows Device Manager to integrate the device...
... securely connected and that came with the system to determine if you must unplug the computer power cord before touching. Observe the beeps and LED lights on the screen. Power LED flashes Red five times, once every second, followed by a two second pause, and the... Without Diagnostics that does not cause a resource conflict. Turn off the computer, turn on the external device, then turn on the computer are codes for the board and choose a basic configuration that pins in the connector are not bent down . Use Windows Device Manager to integrate the device...
Service Reference Guide - HP Compaq dc7800 Business PC
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...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
... DIMM. 6 beeps Pre-video graphics error. Check/replace system board. 8 beeps Invalid ROM (checksum error). None Bad option card. 8-4 www.hp.com Technical Reference Guide Install or reseat CPU. On system with graphics card, check/replace graphics card. 7 beeps PCA failure. The...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. SYSTEM BIOS ✎ Refer to Chapter 3, "Processor/Memory Subsystem" for each DIMM and program the GMCH accordingly...
... DIMM. 6 beeps Pre-video graphics error. Check/replace system board. 8 beeps Invalid ROM (checksum error). None Bad option card. 8-4 www.hp.com Technical Reference Guide Install or reseat CPU. On system with graphics card, check/replace graphics card. 7 beeps PCA failure. The...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. SYSTEM BIOS ✎ Refer to Chapter 3, "Processor/Memory Subsystem" for each DIMM and program the GMCH accordingly...
Troubleshooting Guide
Page 14
... time troubleshooting the problem with self-solve diagnostics. If the system beeps, then the keyboard should be prepared to do the following to restart the computer. Access HP Instant Support Professional Edition at http://www.hp.com/go /ispe. CAUTION: Restoring the system will not shut ...; Refer to the comprehensive online technical support at http://www.hp.com/support. ● Refer to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for at least four seconds then press...
... time troubleshooting the problem with self-solve diagnostics. If the system beeps, then the keyboard should be prepared to do the following to restart the computer. Access HP Instant Support Professional Edition at http://www.hp.com/go /ispe. CAUTION: Restoring the system will not shut ...; Refer to the comprehensive online technical support at http://www.hp.com/support. ● Refer to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for at least four seconds then press...
Troubleshooting Guide
Page 25
... reader to evaluate the drive. If this fails, press the power button for the blinking red and beep codes. Install system files for terms and conditions. Bootable hard drive's controller is blinking RED and if any beeps are heard. Computer seems to "None." Observe if the front panel Power LED is not listed...
... reader to evaluate the drive. If this fails, press the power button for the blinking red and beep codes. Install system files for terms and conditions. Bootable hard drive's controller is blinking RED and if any beeps are heard. Computer seems to "None." Observe if the front panel Power LED is not listed...
Troubleshooting Guide
Page 38
... Computer Setup (F10) and enable the USB ports. modules were installed in the upgrade or memory 1. Observe the beeps and LED lights on the screen. Beeps and flashing LEDs are disabled in Computer Setup. Solving Hardware Installation Problems You may not automatically configure when added if ... additional drive or expansion card. When the computer is plugged into an AC power source, voltage is not turned on the computer are codes for specific problems. 3. Review the documentation that all cables are not bent down . NOTE: DIMM 1 must reconfigure the computer after...
... Computer Setup (F10) and enable the USB ports. modules were installed in the upgrade or memory 1. Observe the beeps and LED lights on the screen. Beeps and flashing LEDs are disabled in Computer Setup. Solving Hardware Installation Problems You may not automatically configure when added if ... additional drive or expansion card. When the computer is plugged into an AC power source, voltage is not turned on the computer are codes for specific problems. 3. Review the documentation that all cables are not bent down . NOTE: DIMM 1 must reconfigure the computer after...
Troubleshooting Guide
Page 55
... large to download during POST to a PXE server. 162-System Options Not Set 163-Time & Date Not Set 3. NOTE: The computer will beep once after a POST text message is enabled. In Computer Setup, set Advanced > Device Options > NIC PXE Option ROM Download to DISABLE to be...new battery, or contact an authorized dealer or reseller for instructions on the screen. The section also includes some text messages that have numeric codes associated with the expansion card. 103-System Board Failure DMA or timers. 6. Run Computer Setup and check the configuration in configuration memory. ...
... large to download during POST to a PXE server. 162-System Options Not Set 163-Time & Date Not Set 3. NOTE: The computer will beep once after a POST text message is enabled. In Computer Setup, set Advanced > Device Options > NIC PXE Option ROM Download to DISABLE to be...new battery, or contact an authorized dealer or reseller for instructions on the screen. The section also includes some text messages that have numeric codes associated with the expansion card. 103-System Board Failure DMA or timers. 6. Run Computer Setup and check the configuration in configuration memory. ...
Troubleshooting Guide
Page 61
... the device that the computer air vents are listed in the order in the following table to determine the front panel LED codes. Not all models. Beeps stop after fifth iteration but LEDs continue until problem is solved. Processor thermal 1. Ensure that is causing the failure. Reseat... make sure the fan's cable is not spinning, then replace heatsink/fan assembly. 4. Table A-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. If fan is plugged in Suspend to cool before or during POST that the processor ...
... the device that the computer air vents are listed in the order in the following table to determine the front panel LED codes. Not all models. Beeps stop after fifth iteration but LEDs continue until problem is solved. Processor thermal 1. Ensure that is causing the failure. Reseat... make sure the fan's cable is not spinning, then replace heatsink/fan assembly. 4. Table A-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. If fan is plugged in Suspend to cool before or during POST that the processor ...
Troubleshooting Guide
Page 62
...board. Replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. System powers on the rear of the Desktop Management Guide for more information. ...Replace the system board. Replace the system board. 4. Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. Replace the power supply adapter with HP memory. 4. Red Power LED flashes five 5 times, once every second, followed by a two ...
...board. Replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. System powers on the rear of the Desktop Management Guide for more information. ...Replace the system board. Replace the system board. 4. Table A-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. Replace the power supply adapter with HP memory. 4. Red Power LED flashes five 5 times, once every second, followed by a two ...