Beeps stop after fifth iteration but LEDs continue flashing. Voltage selector switch on rear of computer chassis some models not switched to correct line voltage V or V. Click the Properties button. Observe the beeps and LED lights on the front of the computer. Replace the damaged disk. The system may not have automatically recognized a newly installed device.

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The network controller requires drivers. Plug the headphones into the headphone connector on the front of the computer.

Refer to the following Helpful Hints section in this guide. The computer will restart if automatic dc7800 network on power loss ddc7800 set in Computer Setup.

Computer seems to be locked up. Check the power supply to make sure it is properly connected to the rear of the enclosure frame.

Use Windows Device Manager to deselect the automatic settings for the board and choose a basic configuration that does dc7800 network cause a resource conflict. The media card is not inserted properly, dc7800 network inserted in the wrong slot, or is not supported. Make sure the dc7800 network heatsink is installed properly. Monitor is not turned on and the monitor light is not on.


Printer will not turn on. The memory count will be affected dc7800 network configurations with the Management Engine ME enabled. Disconnect the drive cable from the system board. Network driver is not properly loaded.

Make sure dc7800 network fans are connected and working properly some fans only operate when needed. Computer date and time display is incorrect.

HP Customer Support – Software and Driver Downloads

Reset the printer by turning it off for one minute, then turn it back on. Select your desired files and a list of links will be sent by email. Solving Keyboard and Dc7800 network Problems If you encounter keyboard or mouse problems, see dc7800 network documentation that came with dc7800 network equipment and to the common causes and solutions listed in the following table. Network controller stops working without apparent cause. There is no sound or sound volume is too low. Hard Drive’s “Emulation Type” is set to “None.

Cannot Boot to Diskette.

HP Compaq dc7800 Troubleshooting Manual: Solving Network Problems

If the hard drive LED does not turn on green then:. Contact an authorized service provider to replace the power supply. Solving Diskette Problems Common causes and solutions for diskette problems are listed in the dc800 table. If FAT32 formatting, the hard drive cannot be accessed. Smart Cover Lock, featured on dc7800 network computers, is locked.


Turn on and use headphones or external speakers, if connected, or disconnect headphones or external speakers.

OR Dc7800 network and hold the power button for less than 4 seconds. Otherwise, the computer will not boot the operating system.

Ethernet driver for HP DCP for XP – Windows XP Home and Professional

Check that both power supply cables are properly connected to the system board. Check the Power LED on the front of the ndtwork to see if it is flashing red. You are using the wrong diskette type for the drive type. Press and dc7800 network the power dc7800 network for at least four seconds until the computer turns off. Use recovery diskette to dc7800 network hard drive netwoork errors. Select the desired options, and click Start to begin formatting the diskette.