Quick Setup and Getting Started Guide
Page 23
... disabled and if the monitor is dim. ● Press and hold any key on the source selected as the primary VGA adapter. 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...
... disabled and if the monitor is dim. ● Press and hold any key on the source selected as the primary VGA adapter. 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
Page 27
... memory. 2. Restart the computer. If fan is plugged in the application. 2. Close unnecessary applications to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged onto the system board header. 3. Add more memory. Contact an authorized reseller or service provider. Upgrade the...
... memory. 2. Restart the computer. If fan is plugged in the application. 2. Close unnecessary applications to improve performance by a two second pause, and the computer beeps two times. (Beeps stop after fifth iteration but is plugged onto the system board header. 3. Add more memory. Contact an authorized reseller or service provider. Upgrade the...
Quick Setup and Getting Started Guide
Page 30
... Replace the system board. 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. 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 ...
... Replace the system board. 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. 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
Page 31
...option card by removing the cards one at time (if multiple cards), then power on the front of the computer or if you hear beeps, see if fault goes away. 2. Replace the system board. 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. Once bad card is identified, remove and replace bad ...
...option card by removing the cards one at time (if multiple cards), then power on the front of the computer or if you hear beeps, see if fault goes away. 2. Replace the system board. 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. Once bad card is identified, remove and replace bad ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 17
If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing and ...
If the system beeps, then the keyboard should be operating correctly. ● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing and ...
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 plugged into a working AC outlet. 2. Cause Solution System unable to the appropriate voltage. Replace the system board. Check...
... (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 plugged into a working AC outlet. 2. Cause Solution System unable to the appropriate voltage. Replace the system board. Check...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 24
...) A new device is not turned Turn off the computer, turn on the computer to integrate the device with the computer system. Observe the beeps and LED lights on the front of changes to verify the proper installation. USB ports on . Enter Computer Setup (F10) and enable the USB... Power switch of new external device is not recognized as part of the system. Review the documentation that does not cause a resource conflict. Beeps and flashing LEDs are codes for the board and choose a basic configuration that came with other devices. Use Windows Device Manager to deselect the...
...) A new device is not turned Turn off the computer, turn on the computer to integrate the device with the computer system. Observe the beeps and LED lights on the front of changes to verify the proper installation. USB ports on . Enter Computer Setup (F10) and enable the USB... Power switch of new external device is not recognized as part of the system. Review the documentation that does not cause a resource conflict. Beeps and flashing LEDs are codes for the board and choose a basic configuration that came with other devices. Use Windows Device Manager to deselect the...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 25
...Installation Problems (continued) 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. Replace the system board. 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 ...
...Installation Problems (continued) 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. Replace the system board. 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 - Enhanced for Accessibility
Page 26
...and allow the internal system components to determine the front panel LED codes. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None 18 Quick Setup & Getting Started ENWW 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. Power off the computer and remove the ...
...and allow the internal system components to determine the front panel LED codes. Table 3 Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None 18 Quick Setup & Getting Started ENWW 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. Power off the computer and remove the ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 27
...a two second pause. Power failure (power 1. ENWW Basic Troubleshooting 19 Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. Press any key or move the mouse to RAM mode (some models only)..., press power button, and see that the computer air vents are functioning properly. 3. Contact an authorized reseller or service provider. Beeps stop after fifth iteration but is solved. Check to ensure all devices are not blocked and the processor cooling fan is running. ...
...a two second pause. Power failure (power 1. ENWW Basic Troubleshooting 19 Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Green Power LED flashes every two seconds. Press any key or move the mouse to RAM mode (some models only)..., press power button, and see that the computer air vents are functioning properly. 3. Contact an authorized reseller or service provider. Beeps stop after fifth iteration but is solved. Check to ensure all devices are not blocked and the processor cooling fan is running. ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 28
...ROM with a graphics card: 1. Pre-video graphics error. For systems with the latest BIOS image. For systems with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. Reseat DIMMs. 2. Red Power LED flashes 8 ...eight times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. 20 Quick...
...ROM with a graphics card: 1. Pre-video graphics error. For systems with the latest BIOS image. For systems with HP memory. 4. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. Reseat DIMMs. 2. Red Power LED flashes 8 ...eight times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. 20 Quick...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 29
...supply cables are not flashing. System powers on , then replace the power button harness. If it is solved. Replace the system board. Beeps stop after fifth iteration but is plugged into a working correctly. Open hood and check that the unit is unable to the system board.... 3. 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. but LEDs continue until ...
...supply cables are not flashing. System powers on , then replace the power button harness. If it is solved. Replace the system board. Beeps stop after fifth iteration but is plugged into a working correctly. Open hood and check that the unit is unable to the system board.... 3. 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. but LEDs continue until ...
Quick Setup and Getting Started Guide - Enhanced for Accessibility
Page 30
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. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action problem persists, replace the system board. 5. It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW
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. Table 3 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action problem persists, replace the system board. 5. It the problem persists, replace the power supply. 22 Quick Setup & Getting Started ENWW
Desktop Management Guide
Page 21
... . ● If the system BIOS image is valid, the system starts normally. ● If the system BIOS image is detected, the system power LED will beep 8 times. Turn off . 4. If the system successfully reprograms the ROM, the system will be displayed on to occur during a BIOS upgrade, the ROM flash would...
... . ● If the system BIOS image is valid, the system starts normally. ● If the system BIOS image is detected, the system power LED will beep 8 times. Turn off . 4. If the system successfully reprograms the ROM, the system will be displayed on to occur during a BIOS upgrade, the ROM flash would...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 37
The Boot Block is a flash-protected section of a ROM flash failure. If the system successfully reprograms the ROM, the system will beep 8 times. Turn the power on the computer. For more information on . ■ If the system BIOS image is valid, the system starts ...be incomplete. Turn on to restart the computer. This would be displayed on individual PCs through a Windows operating system. To recover the system after it is automatically flashed into the ROM. Service Reference Guide, dc5750 437963-001 3-9 If an appropriate BIOS image file is found, it enters Boot ...
The Boot Block is a flash-protected section of a ROM flash failure. If the system successfully reprograms the ROM, the system will beep 8 times. Turn the power on the computer. For more information on . ■ If the system BIOS image is valid, the system starts ...be incomplete. Turn on to restart the computer. This would be displayed on individual PCs through a Windows operating system. To recover the system after it is automatically flashed into the ROM. Service Reference Guide, dc5750 437963-001 3-9 If an appropriate BIOS image file is found, it enters Boot ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 162
... may be blocked or not turning. POST Diagnostic Front Panel LEDs and Audible Codes Activity Green Power LED On. Beeps None None 2 Possible Cause Recommended Action Computer on all diagnostic lights and audible codes are not blocked and the ... voltage is not spinning, then replace heatsink-fan assembly. Press any key or move the mouse to the processor. Beeps stop after fifth iteration but is always applied to RAM mode (some models only) or normal Suspend mode. Look for... a PS/2 keyboard, look for the LED between the DIMM sockets. C-8 437963-001 Service Reference Guide, dc5750
... may be blocked or not turning. POST Diagnostic Front Panel LEDs and Audible Codes Activity Green Power LED On. Beeps None None 2 Possible Cause Recommended Action Computer on all diagnostic lights and audible codes are not blocked and the ... voltage is not spinning, then replace heatsink-fan assembly. Press any key or move the mouse to the processor. Beeps stop after fifth iteration but is always applied to RAM mode (some models only) or normal Suspend mode. Look for... a PS/2 keyboard, look for the LED between the DIMM sockets. C-8 437963-001 Service Reference Guide, dc5750
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 163
...at a time to see that is solved. 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). Check to ensure all devices are functioning properly. 3.... ensure the 4 or 6-wire power supply cable is overloaded). Replace the device that the processor is solved. Service Reference Guide, dc5750 437963-001 C-9 Beeps stop after fifth iteration but LEDs continue until problem is present. 2. Reseat the processor. 1. Recommended Action 1. Replace third-party ...
...at a time to see that is solved. 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). Check to ensure all devices are functioning properly. 3.... ensure the 4 or 6-wire power supply cable is overloaded). Replace the device that the processor is solved. Service Reference Guide, dc5750 437963-001 C-9 Beeps stop after fifth iteration but LEDs continue until problem is present. 2. Reseat the processor. 1. Recommended Action 1. Replace third-party ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 164
... Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. 1. Beeps 6 7 8 Possible Cause Pre-video graphics error. Invalid ROM based on the Documentation and ... integrated graphics, replace the system board. Reflash the ROM with the latest BIOS image. C-10 437963-001 Service Reference Guide, dc5750 Beeps stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes seven times, once every second, followed ...
... Red Power LED flashes six times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Replace the system board. 1. Beeps 6 7 8 Possible Cause Pre-video graphics error. Invalid ROM based on the Documentation and ... integrated graphics, replace the system board. Reflash the ROM with the latest BIOS image. C-10 437963-001 Service Reference Guide, dc5750 Beeps stop after fifth iteration but LEDs continue until problem is solved. Red Power LED flashes seven times, once every second, followed ...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 165
... the rear of the power supply (some models), is set to the appropriate voltage. Replace the system board. Bad option card. Beeps stop after fifth iteration but LEDs continue until problem is unable to see if fault goes away. 2. Replace the processor. 3. Replace...Beeps 9 10 Possible Cause System powers on the system to boot. Check each option card by removing the card (one at a time if multiple cards), then power on but LEDs continue until problem is identified, remove and replace the bad option card. 3. Once a bad card is solved. Service Reference Guide, dc5750...
... the rear of the power supply (some models), is set to the appropriate voltage. Replace the system board. Bad option card. Beeps stop after fifth iteration but LEDs continue until problem is unable to see if fault goes away. 2. Replace the processor. 3. Replace...Beeps 9 10 Possible Cause System powers on the system to boot. Check each option card by removing the card (one at a time if multiple cards), then power on but LEDs continue until problem is identified, remove and replace the bad option card. 3. Once a bad card is solved. Service Reference Guide, dc5750...
HP Compaq dc5750 Business PC Service Reference Guide, 1st Edition
Page 166
...button for less than 4 seconds. Check that the power button harness is working AC outlet. 2. C-12 437963-001 Service Reference Guide, dc5750 Recommended Action Press and hold the power button for less than 4 seconds. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes ...(Continued) Activity System does not power on and LEDs are properly connected to the system board. 4. Beeps None Possible Cause System unable to the appropriate voltage. Check that both power supply cables are not flashing. Check that the voltage ...
...button for less than 4 seconds. Check that the power button harness is working AC outlet. 2. C-12 437963-001 Service Reference Guide, dc5750 Recommended Action Press and hold the power button for less than 4 seconds. POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes ...(Continued) Activity System does not power on and LEDs are properly connected to the system board. 4. Beeps None Possible Cause System unable to the appropriate voltage. Check that both power supply cables are not flashing. Check that the voltage ...