Quick Setup and Getting Started Guide
Page 23
... other option. For example, if you have been installed. ENWW Helpful Hints 15 You can select which source will not function. problem. If the system beeps, then the keyboard should be sure that all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing and holding the...
... other option. For example, if you have been installed. ENWW Helpful Hints 15 You can select which source will not function. problem. If the system beeps, then the keyboard should be sure that all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing and holding the...
Quick Setup and Getting Started Guide
Page 27
... Solution Too many applications running . 2. Ensure that came with the application for suggestions on how to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged in the application. 2. Open hood, press power button, and see if the processor fan spins.
... Solution Too many applications running . 2. Ensure that came with the application for suggestions on how to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged in the application. 2. Open hood, press power button, and see if the processor fan spins.
Quick Setup and Getting Started Guide
Page 30
...To avoid damage to the DIMMs or the system board, you are codes for specific problems. 3. Replace the system board. For systems with HP memory. 4. Power on the front of the computer. Cause Solution Wrong memory modules were used in the wrong location. 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 is installed incorrectly or is bad. Reseat DIMMs. Power on the system...
...To avoid damage to the DIMMs or the system board, you are codes for specific problems. 3. Replace the system board. For systems with HP memory. 4. Power on the front of the computer. Cause Solution Wrong memory modules were used in the wrong location. 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 is installed incorrectly or is bad. Reseat DIMMs. Power on the system...
Quick Setup and Getting Started Guide
Page 31
...away. 2. 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. 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 ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution For systems with integrated graphics, replace the system board. ENWW Basic ...
...away. 2. 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. 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 ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution For systems with integrated graphics, replace the system board. ENWW Basic ...
Desktop Management Guide
Page 21
... power on the screen. The Boot Block is a flash-protected section of a ROM flash failure. If an appropriate BIOS image file is found , you will beep 8 times. To recover the system after it is not valid, a failsafe Boot Block BIOS provides enough support to Windows Vista. If no appropriate BIOS image...
... power on the screen. The Boot Block is a flash-protected section of a ROM flash failure. If an appropriate BIOS image file is found , you will beep 8 times. To recover the system after it is not valid, a failsafe Boot Block BIOS provides enough support to Windows Vista. If no appropriate BIOS image...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
... to see that the computer is turned on and the green power light is flashing. Helpful Hints If you diagnose the problem. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for your computer after installing a non-plug and play expansion board or other...
... to see that the computer is turned on and the green power light is flashing. Helpful Hints If you diagnose the problem. If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for your computer after installing a non-plug and play expansion board or other...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 22
... (continued) Computer powered 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 not spinning, then replace the heatsink/fan assembly. 4. If fan is set to the processor. 1. If the hard...
... (continued) Computer powered 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 not spinning, then replace the heatsink/fan assembly. 4. If fan is set to the processor. 1. If the hard...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 24
... will not start. Cause Solution Wrong memory modules were used in the wrong location. or memory modules were installed in the upgrade 1. Beeps and flashing LEDs are disabled in Computer Setup. Cause Solution Power switch of new external device is not recognized as part of the computer... new device is not turned Turn off the computer, turn on the computer to verify the proper installation. accepting the changes. Observe the beeps and LED lights on the front of the system. NOTE: DIMM 1 must always be installed. 2. Review the documentation that does not cause a...
... will not start. Cause Solution Wrong memory modules were used in the wrong location. or memory modules were installed in the upgrade 1. Beeps and flashing LEDs are disabled in Computer Setup. Cause Solution Power switch of new external device is not recognized as part of the computer... new device is not turned Turn off the computer, turn on the computer to verify the proper installation. accepting the changes. Observe the beeps and LED lights on the front of the system. NOTE: DIMM 1 must always be installed. 2. Review the documentation that does not cause a...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 25
Reseat DIMMs. Power on the system. 2. ENWW Basic Troubleshooting 17 For systems with HP memory. 4. CAUTION: To avoid damage to the DIMMs or the system board, you must always be installed. 3. Replace the system board. Replace third-party memory ... on the system. 2. Replace the graphics card. 3. 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 is bad...
Reseat DIMMs. Power on the system. 2. ENWW Basic Troubleshooting 17 For systems with HP memory. 4. CAUTION: To avoid damage to the DIMMs or the system board, you must always be installed. 3. Replace the system board. Replace third-party memory ... on the system. 2. Replace the graphics card. 3. 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 is bad...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 26
... cards one at time (if multiple cards), then power on the system to the system board. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. When the computer is plugged into an AC power source, voltage is always applied to see flashing... the DIMM sockets. Not all models. NOTE: If you see if fault goes away. 2. 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 Bad option card. 1.
... cards one at time (if multiple cards), then power on the system to the system board. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. When the computer is plugged into an AC power source, voltage is always applied to see flashing... the DIMM sockets. Not all models. NOTE: If you see if fault goes away. 2. 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 Bad option card. 1.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 27
... not blocked and the processor cooling fan is not properly attached to see if the processor fan spins. ENWW Basic Troubleshooting 19 Beeps stop after fifth iteration but is solved. Check to the processor. 3. 4. Power on the system board. 2. Replace the ... Computer in , but LEDs continue until failure occurs. Reseat the processor. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. None required. Processor thermal 1. protection activated: A fan may be blocked or...
... not blocked and the processor cooling fan is not properly attached to see if the processor fan spins. ENWW Basic Troubleshooting 19 Beeps stop after fifth iteration but is solved. Check to the processor. 3. 4. Power on the system board. 2. Replace the ... Computer in , but LEDs continue until failure occurs. Reseat the processor. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. None required. Processor thermal 1. protection activated: A fan may be blocked or...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 28
...Red Power LED flashes 8 eight times, once every second, followed by a two second pause. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. 1. Replace the system board. System board failure Replace the system board. (ROM detected failure prior to reseat, install, or ... on the Documentation and Diagnostics CD for more information. 2. Pre-video memory error. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until problem is solved.
...Red Power LED flashes 8 eight times, once every second, followed by a two second pause. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. 1. Replace the system board. System board failure Replace the system board. (ROM detected failure prior to reseat, install, or ... on the Documentation and Diagnostics CD for more information. 2. Pre-video memory error. Replace third-party memory with a graphics card: 1. For systems with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until problem is solved.
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 29
.... System powers on green then: 1. but LEDs continue until problem is set to see if fault goes away. 2. Replace the system board. 3. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. Check that the unit is identified, remove and replace the...on the system to the system board. 3. If the ENWW Basic Troubleshooting 21 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.
.... System powers on green then: 1. but LEDs continue until problem is set to see if fault goes away. 2. Replace the system board. 3. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. Check that the unit is identified, remove and replace the...on the system to the system board. 3. If the ENWW Basic Troubleshooting 21 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.
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 dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 40
...system BIOS image when the system is turned on the computer. For more information on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of a ROM flash failure. When an invalid system BIOS image...media used to locally update or restore the system BIOS on to restart the computer. 3-10 433612-001 Service Reference Guide, dc7700 Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to upgrade the BIOS. 5. Turn off . 4. To recover the system ... system BIOS unusable. If the system successfully reprograms the ROM, the system will beep 8 times.
...system BIOS image when the system is turned on the computer. For more information on HPQFlash, visit http://www.hp.com/support/files and enter the product name/number of a ROM flash failure. When an invalid system BIOS image...media used to locally update or restore the system BIOS on to restart the computer. 3-10 433612-001 Service Reference Guide, dc7700 Desktop Management 3.4.2 HPQFlash The HPQFlash utility is used to upgrade the BIOS. 5. Turn off . 4. To recover the system ... system BIOS unusable. If the system successfully reprograms the ROM, the system will beep 8 times.
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 213
... codes are listed in the order in , but LEDs continue until problem is plugged onto the system board header. 3. Service Reference Guide, dc7700 433612-001 C-9 To reduce the risk of the computer and refer to the following table are available on the front panel of personal injury ... solved. If the LED is not properly attached to the processor. Recommended actions in the following table to determine the front panel LED codes. Beeps None None 2 Possible Cause Recommended Action Computer on a PS/2 keyboard, look for the LED between the DIMM sockets. POST Diagnostic Front Panel ...
... codes are listed in the order in , but LEDs continue until problem is plugged onto the system board header. 3. Service Reference Guide, dc7700 433612-001 C-9 To reduce the risk of the computer and refer to the following table are available on the front panel of personal injury ... solved. If the LED is not properly attached to the processor. Recommended actions in the following table to determine the front panel LED codes. Beeps None None 2 Possible Cause Recommended Action Computer on a PS/2 keyboard, look for the LED between the DIMM sockets. POST Diagnostic Front Panel ...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 214
...are functioning properly. 3. Red Power LED flashes four times, once every second, followed by a two second pause. Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Replace the device that the processor ...is present. 2. Pre-video memory error. Replace the system board. C-10 433612-001 Service Reference Guide, dc7700 Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace DIMMs one device at a time to ...repeat this procedure until problem is overloaded). Replace third-party memory with HP memory. 4.
...are functioning properly. 3. Red Power LED flashes four times, once every second, followed by a two second pause. Beeps 3 4 5 Possible Cause Processor not installed (not an indicator of bad processor). Replace the device that the processor ...is present. 2. Pre-video memory error. Replace the system board. C-10 433612-001 Service Reference Guide, dc7700 Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace DIMMs one device at a time to ...repeat this procedure until problem is overloaded). Replace third-party memory with HP memory. 4.
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 215
...systems with the latest BIOS image. 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. Beeps 6 7 8 Possible Cause Pre-video graphics error. Red...integrated graphics, replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is solved. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. Service Reference Guide, dc7700 433612-001 C-11 Replace the system...
...systems with the latest BIOS image. 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. Beeps 6 7 8 Possible Cause Pre-video graphics error. Red...integrated graphics, replace the system board. Beeps stop after fifth iteration but LEDs continue until problem is solved. See the "Boot Block Emergency Recovery Mode" section of the Desktop Management Guide on bad checksum. Service Reference Guide, dc7700 433612-001 C-11 Replace the system...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 216
... fifth iteration but is set to the appropriate voltage. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps 9 10 Possible Cause System powers on the rear of the power supply (some models), is unable to see if fault goes away. ... system to boot. Check that the voltage selector, located on but LEDs continue until problem is solved. C-12 433612-001 Service Reference Guide, dc7700 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes nine times, once every second, followed by...
... fifth iteration but is set to the appropriate voltage. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps 9 10 Possible Cause System powers on the rear of the power supply (some models), is unable to see if fault goes away. ... system to boot. Check that the voltage selector, located on but LEDs continue until problem is solved. C-12 433612-001 Service Reference Guide, dc7700 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Red Power LED flashes nine times, once every second, followed by...
HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Edition
Page 217
... 5 V_aux light on the system board is working AC outlet. 2. Try the following: 1. If the hard drive LED does not turn on . Service Reference Guide, dc7700 433612-001 C-13 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on your region. 2. Recommended Action... flashing. Proper voltage setting depends on and LEDs are properly connected to power on the rear of the power supply, is plugged into a working correctly. Beeps None Possible Cause System unable to the system board. 4.
... 5 V_aux light on the system board is working AC outlet. 2. Try the following: 1. If the hard drive LED does not turn on . Service Reference Guide, dc7700 433612-001 C-13 POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity System does not power on your region. 2. Recommended Action... flashing. Proper voltage setting depends on and LEDs are properly connected to power on the rear of the power supply, is plugged into a working correctly. Beeps None Possible Cause System unable to the system board. 4.