Troubleshooting Guide
Page 20
...surfaces, be a problem with the expansion card. 6. Replace the diskette or CD with integrated graphics, replace the system board. 3 short beeps and 1 long beep followed by a three second pause CPU configuration error or invalid CPU 1. Verify the correct ROM. If the message disappears,... pause Flashing operation has failed (checksum 1. Check that the memory modules have an error code or text message associated with them. Replace the system board. Replace the graphics card. 3. Upgrade the BIOS to the system board. error, corrupted image, etc.) 2. For systems with a graphics...
...surfaces, be a problem with the expansion card. 6. Replace the diskette or CD with integrated graphics, replace the system board. 3 short beeps and 1 long beep followed by a three second pause CPU configuration error or invalid CPU 1. Verify the correct ROM. If the message disappears,... pause Flashing operation has failed (checksum 1. Check that the memory modules have an error code or text message associated with them. Replace the system board. Replace the graphics card. 3. Upgrade the BIOS to the system board. error, corrupted image, etc.) 2. For systems with a graphics...
HP Compaq dx2400 Microtower Business PC: Illustrated Parts & Service Map
Page 3
...the Setup Utility held in the system ROM, accessed by pressing the F10 key when prompted (on or Setup password 1. CPU Type View only. Mode Support Onboard LAN Disable/enable onboard LAN controller. Disable/enable the SATA1 controller troller SATA1 Con- ... Clearing Password using computer setup 1. HP Insight Diagnostics The HP Insight Diagnostics utility allows you to pins 4-6 (Clear CMOS) Keep the cap on pins 4-6 for example, dx2400) in each screen of the computer. Select the proper language and click Download. Replace the access panel, external devices, ...
...the Setup Utility held in the system ROM, accessed by pressing the F10 key when prompted (on or Setup password 1. CPU Type View only. Mode Support Onboard LAN Disable/enable onboard LAN controller. Disable/enable the SATA1 controller troller SATA1 Con- ... Clearing Password using computer setup 1. HP Insight Diagnostics The HP Insight Diagnostics utility allows you to pins 4-6 (Clear CMOS) Keep the cap on pins 4-6 for example, dx2400) in each screen of the computer. Select the proper language and click Download. Replace the access panel, external devices, ...
Service Reference Guide: HP Compaq dx2400 Business PC
Page 30
...the connector whenever possible. Handle cables by parts being removed or replaced. This applies to failed drives as well as replacement spares. ● If a drive must be of static electricity... more information about preventing electrostatic damage, refer to Electrostatic Discharge Information on or in the CPU. ● Avoid dropping drives from the work area to their protective packaging until they cannot..., place the drive in such a way that all physical shock and vibration. HP strongly recommends that they are inserting or removing a hard drive, turn off the...
...the connector whenever possible. Handle cables by parts being removed or replaced. This applies to failed drives as well as replacement spares. ● If a drive must be of static electricity... more information about preventing electrostatic damage, refer to Electrostatic Discharge Information on or in the CPU. ● Avoid dropping drives from the work area to their protective packaging until they cannot..., place the drive in such a way that all physical shock and vibration. HP strongly recommends that they are inserting or removing a hard drive, turn off the...
Service Reference Guide: HP Compaq dx2400 Business PC
Page 66
... opposite pairs (as the pins on the socket are very fragile and any damage to them may require replacing the system board. 60 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis You may require replacing the system board. 5. To remove the fan, pull back on the four clips that secure the heatsink to... T15 captive screws that secure the fan to the heatsink and loosen the fan from the processor. Unplug the fan cable from the system board (CPU FAN). 4.
... opposite pairs (as the pins on the socket are very fragile and any damage to them may require replacing the system board. 60 Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis You may require replacing the system board. 5. To remove the fan, pull back on the four clips that secure the heatsink to... T15 captive screws that secure the fan to the heatsink and loosen the fan from the processor. Unplug the fan cable from the system board (CPU FAN). 4.
Service Reference Guide: HP Compaq dx2400 Business PC
Page 96
...image file, etc.) Upgrade the BIOS to proper version. 4 short beeps followed by a three second pause CPU configuration error or invalid CPU 1. For systems with integrated graphics, replace the system board. 3 short beeps and 1 long beep followed by a three second pause Flashing operation ...the correct ROM. If an expansion board was successful No action required. 90 Appendix C Troubleshooting For systems with a graphics card: 1. Replace the system board. 5 short beeps followed by a three second pause No floppy diskette or CD found . 1. Run the Computer Setup...
...image file, etc.) Upgrade the BIOS to proper version. 4 short beeps followed by a three second pause CPU configuration error or invalid CPU 1. For systems with integrated graphics, replace the system board. 3 short beeps and 1 long beep followed by a three second pause Flashing operation ...the correct ROM. If an expansion board was successful No action required. 90 Appendix C Troubleshooting For systems with a graphics card: 1. Replace the system board. 5 short beeps followed by a three second pause No floppy diskette or CD found . 1. Run the Computer Setup...