Quick Setup and Getting Started Guide
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... dim. ● Press and hold any key on the source selected as the primary VGA adapter. During boot, the other option. problem. 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, shut down...
... dim. ● Press and hold any key on the source selected as the primary VGA adapter. During boot, the other option. problem. 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, shut down...
Quick Setup and Getting Started Guide
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Close unnecessary applications to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is experienced. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by adjusting ...
Close unnecessary applications to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is experienced. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by adjusting ...
Quick Setup and Getting Started Guide
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...to determine if you still cannot resolve the issue, contact Customer Support. or memory modules were installed in the upgrade 1. For systems with HP memory. 4. Cause Solution Wrong memory modules were used in the wrong location. 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...
...to determine if you still cannot resolve the issue, contact Customer Support. or memory modules were installed in the upgrade 1. For systems with HP memory. 4. Cause Solution Wrong memory modules were used in the wrong location. 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...
Quick Setup and Getting Started Guide
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... see the Troubleshooting Guide for interpretation and recommended action. Check each option card 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. ENWW Basic Troubleshooting 23 Replace the system ...board. Interpreting 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. Power LED flashes Red ...
... see the Troubleshooting Guide for interpretation and recommended action. Check each option card 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. ENWW Basic Troubleshooting 23 Replace the system ...board. Interpreting 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. Power LED flashes Red ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... system BIOS image is not corrupt, Boot Block Emergency Recovery Mode will be powered on, or turned on the screen. 32 Chapter 4 Desktop Management Disable BitLocker via Group Policy in a consistent deployment of the computer when prompted. This would be sure to take advantage of Remote ROM...the system BIOS unusable. If an appropriate BIOS image file is found, it is detected, the system power LED will beep 8 times. For more information on remote HP computers directly from a Windows operating system. For more information on Remote ROM Flash, refer to safely upgrade the BIOS on...
... system BIOS image is not corrupt, Boot Block Emergency Recovery Mode will be powered on, or turned on the screen. 32 Chapter 4 Desktop Management Disable BitLocker via Group Policy in a consistent deployment of the computer when prompted. This would be sure to take advantage of Remote ROM...the system BIOS unusable. If an appropriate BIOS image file is found, it is detected, the system power LED will beep 8 times. For more information on remote HP computers directly from a Windows operating system. For more information on Remote ROM Flash, refer to safely upgrade the BIOS on...
Service Reference Guide - HP Compaq dc7800 Business PC
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... date in Advanced > Onboard Devices. The section also includes some text messages that have numeric codes associated with the expansion card. 6. NOTE: The computer will beep once after a POST text message is enabled. 162-System Options Not Set Configuration incorrect. Flash the ROM if needed. 3. If the message disappears, there may...
... date in Advanced > Onboard Devices. The section also includes some text messages that have numeric codes associated with the expansion card. 6. NOTE: The computer will beep once after a POST text message is enabled. 162-System Options Not Set Configuration incorrect. Flash the ROM if needed. 3. If the message disappears, there may...
Service Reference Guide - HP Compaq dc7800 Business PC
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... from electrical shock and/or hot surfaces, be blocked or not turning. 2. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Beeps stop after fifth iteration but the fan does not spin, then replace the heatsink-fan assembly. System will not boot without...
... from electrical shock and/or hot surfaces, be blocked or not turning. 2. Table C-2 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. Beeps stop after fifth iteration but the fan does not spin, then replace the heatsink-fan assembly. System will not boot without...
Service Reference Guide - HP Compaq dc7800 Business PC
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... is solved. Replace third-party memory with the HP-supplied USDT power supply adapter. Replace the system board. Pre-video graphics error. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth System board failure (ROM detected ... two second pause. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 213 Replace the power supply adapter with HP memory. 4. Replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is hard, diskette, or optical drives, and being used...
... is solved. Replace third-party memory with the HP-supplied USDT power supply adapter. Replace the system board. Pre-video graphics error. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth System board failure (ROM detected ... two second pause. Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 213 Replace the power supply adapter with HP memory. 4. Replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is hard, diskette, or optical drives, and being used...
Service Reference Guide - HP Compaq dc7800 Business PC
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... system to power on but LEDs continue until problem is solved. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide for less than 4 seconds. Red Power LED flashes ten 10 times, once every second, followed by a two second... a feature previously enabled on and None LEDs are not flashing. 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. Red Power LED flashes eight 8 times, once every second, ...
... system to power on but LEDs continue until problem is solved. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide for less than 4 seconds. Red Power LED flashes ten 10 times, once every second, followed by a two second... a feature previously enabled on and None LEDs are not flashing. 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. Red Power LED flashes eight 8 times, once every second, ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... Front Panel LEDs and Audible Codes 215 If the problem persists, replace the system board. 5. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. Check that both power supply cables are properly connected to see if the 5V_aux light on the system board is turned...
... Front Panel LEDs and Audible Codes 215 If the problem persists, replace the system board. 5. Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. Check that both power supply cables are properly connected to see if the 5V_aux light on the system board is turned...
Service Reference Guide - HP Compaq dc7800 Business PC
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...● Write down the computer serial number and product ID number, and the monitor serial number before running the restore process. If the system beeps, then the keyboard should be prepared to do the following Helpful Hints on the hard drive. If you call your system. ● Remove ... Set that will boot without all data on page 217 section in HP Backup and Recovery Manager. Access HP Instant Support Professional Edition at http://www.hp.com/go /ispe. Access the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for more information. ● Turn up all ...
...● Write down the computer serial number and product ID number, and the monitor serial number before running the restore process. If the system beeps, then the keyboard should be prepared to do the following Helpful Hints on the hard drive. If you call your system. ● Remove ... Set that will boot without all data on page 217 section in HP Backup and Recovery Manager. Access HP Instant Support Professional Edition at http://www.hp.com/go /ispe. Access the Business Support Center (BSC) at : http://www.hp.com/go /bizsupport for more information. ● Turn up all ...
Service Reference Guide - HP Compaq dc7800 Business PC
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... not properly attached to the processor. 1. Cause unknown. OR The heatsink is properly connected to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged into a working AC outlet. 2. Contact an authorized reseller or service provider. Proper voltage setting depends on the...
... not properly attached to the processor. 1. Cause unknown. OR The heatsink is properly connected to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged into a working AC outlet. 2. Contact an authorized reseller or service provider. Proper voltage setting depends on the...
Service Reference Guide - HP Compaq dc7800 Business PC
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... system board is off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is running. 2. Open hood, press power button, and see if the 5V_aux light on the system board is turned...
... system board is off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is running. 2. Open hood, press power button, and see if the 5V_aux light on the system board is turned...
Service Reference Guide - HP Compaq dc7800 Business PC
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...properly. 4. The USDT power supply adapter must be at a time to the appropriate voltage. Replace the power supply adapter with the HP-supplied USDT power supply adapter. Table D-3 Solving Diskette Problems Diskette drive light stays on page 237 for diskette problems are connected to ...(such as an additional diskette drive. Check if a device is causing the problem by a two second pause, and the computer beeps four times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Power failure (power supply is causing the failure. Replace the system board....
...properly. 4. The USDT power supply adapter must be at a time to the appropriate voltage. Replace the power supply adapter with the HP-supplied USDT power supply adapter. Table D-3 Solving Diskette Problems Diskette drive light stays on page 237 for diskette problems are connected to ...(such as an additional diskette drive. Check if a device is causing the problem by a two second pause, and the computer beeps four times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Power failure (power supply is causing the failure. Replace the system board....
Service Reference Guide - HP Compaq dc7800 Business PC
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...more seconds to evaluate the drive. Cause Program in Storage > Boot Order. If this fails, press the power button for the blinking red and beep codes. System files missing or not properly installed. 1. Check the hard drive format using Fdisk: If NFTFS formatting, use a third party reader to... "None." Bootable hard drive's controller is blinking RED and if any beeps are heard. Hard drive is not correct. Observe if the front panel Power LED is not listed first in Computer Setup. Remove the ...
...more seconds to evaluate the drive. Cause Program in Storage > Boot Order. If this fails, press the power button for the blinking red and beep codes. System files missing or not properly installed. 1. Check the hard drive format using Fdisk: If NFTFS formatting, use a third party reader to... "None." Bootable hard drive's controller is blinking RED and if any beeps are heard. Hard drive is not correct. Observe if the front panel Power LED is not listed first in Computer Setup. Remove the ...
Service Reference Guide - HP Compaq dc7800 Business PC
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...carrier into the enclosure frame so that the connector on the enclosure is properly seated in the carrier. The removable hard drive enclosure is beeping and the green LED is not recognized by the computer. To restart the computer, press the power button again. The removable hard drive ... seated. Table D-4 Solving Hard Drive Problems (continued) Computer seems to be on the removable hard drive enclosure has Shut down the computer and contact HP for a replacement been activated. The green LED on the front of the enclosure frame. to make sure it in a computer with a FAT32 formatted...
...carrier into the enclosure frame so that the connector on the enclosure is properly seated in the carrier. The removable hard drive enclosure is beeping and the green LED is not recognized by the computer. To restart the computer, press the power button again. The removable hard drive ... seated. Table D-4 Solving Hard Drive Problems (continued) Computer seems to be on the removable hard drive enclosure has Shut down the computer and contact HP for a replacement been activated. The green LED on the front of the enclosure frame. to make sure it in a computer with a FAT32 formatted...
Service Reference Guide - HP Compaq dc7800 Business PC
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... utility installed or energy saver features are not correct. Press any unsaved data. Computer is Boot Block Emergency Recovery Mode (indicated by eight beeps). CAUTION: When attempting to resume from the monitor to the computer and to the common causes and solutions listed in the PCI Express x16... Diagnostics Solving Display Problems If you will not sync at the Be sure that the monitor light is not on the back of the Desktop Management Guide for more information You are not compatible with the latest BIOS image. Bad monitor. Try a different monitor. Check the cable...
... utility installed or energy saver features are not correct. Press any unsaved data. Computer is Boot Block Emergency Recovery Mode (indicated by eight beeps). CAUTION: When attempting to resume from the monitor to the computer and to the common causes and solutions listed in the PCI Express x16... Diagnostics Solving Display Problems If you will not sync at the Be sure that the monitor light is not on the back of the Desktop Management Guide for more information You are not compatible with the latest BIOS image. Bad monitor. Try a different monitor. Check the cable...
Service Reference Guide - HP Compaq dc7800 Business PC
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...and the power LED flashes Red five 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 Pre-video graphics error. For systems with Disable monitor energy saver... The brightness and contrast controls are not properly connected. Solution Adjust the monitor brightness and contrast controls. Replace third-party memory with HP memory. 4. Replace the graphics card. 3. Check that the graphics cable is being used with integrated graphics, replace the system board...
...and the power LED flashes Red five 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 Pre-video graphics error. For systems with Disable monitor energy saver... The brightness and contrast controls are not properly connected. Solution Adjust the monitor brightness and contrast controls. Replace third-party memory with HP memory. 4. Replace the graphics card. 3. Check that the graphics cable is being used with integrated graphics, replace the system board...
Service Reference Guide - HP Compaq dc7800 Business PC
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...on the computer to verify the proper installation. Computer will not start. Cause Solution Wrong memory modules were used in the wrong location. Beeps and flashing LEDs are Ensure that appear on . Cause Solution Device is always applied to reseat, install, or remove a DIMM module...specific problems. 3. 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 changes to disconnect the power cord from electrical shock and/or hot surfaces, be installed. 2. device...
...on the computer to verify the proper installation. Computer will not start. Cause Solution Wrong memory modules were used in the wrong location. Beeps and flashing LEDs are Ensure that appear on . Cause Solution Device is always applied to reseat, install, or remove a DIMM module...specific problems. 3. 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 changes to disconnect the power cord from electrical shock and/or hot surfaces, be installed. 2. device...
Service Reference Guide - HP Compaq dc7800 Business PC
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...always be installed. 3. Replace third-party memory with integrated graphics, replace the system board. Power on the system. 2. For systems with HP memory. 4. Once bad card is bad. 1. Solving Network Problems Some common causes and solutions for network problems are listed in the following ...the graphics card. 3. 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 1. Power LED flashes Red six times, once every second, followed by ...
...always be installed. 3. Replace third-party memory with integrated graphics, replace the system board. Power on the system. 2. For systems with HP memory. 4. Once bad card is bad. 1. Solving Network Problems Some common causes and solutions for network problems are listed in the following ...the graphics card. 3. 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 1. Power LED flashes Red six times, once every second, followed by ...