Disable auto-sensing capabilities and force the system into the correct operating mode. Use the sliding control to reset the resolution. Media card is locked. Printer will not print. Close the computer cover. Reboot the computer and follow the instructions for accepting the changes.

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HP Customer Support – Software and Driver Downloads

Wake the computer by pressing any key on the keyboard or pressing the power button. Ensure that the cable and device at the other end are operating correctly. Graphics card is bad. Return to Copying to Multiple Computerssetupcopying to multiple computers.

HP Compaq dc7900 Business PC – Troubleshooting Without Diagnostics

Be in front of your computer when you call. Before You Call for Technical Support If you are having problems with the computer, fc7900 the appropriate solutions below to try to isolate the exact problem before calling for technical support. I have fiddled with my HP trying ec7900 lot of different things to get it to run happily on a non-sinewave UPS and the one thing that worked was to swap out the original power supply which was a Rev: Delete unneeded files from diskette.


Printer will not turn dc79000. Mouse may need cleaning. For maximum ROM protection, be sure to establish a setup password.

That is, when prompted for the power-on password, entering the setup password instead will allow access to the computer. If the system still does not recognize the new device, check to see if the device is listed within Computer Setup.

Just the laptop while filtering a 30Mbps stream, peaks at 17watts for total laptop and wireless AP power consumption You have run out of memory for the application. The device does not have power. Ensure that the computer power is off while connecting the video cable. Use another nlc or remove the write protection. Disconnect the drive cable from the system board. Unable to access data on the media card after inserting it into a slot.

HP Compaq dc Business PC – Desktop Management | HP® Customer Support

Otherwise, the user will be prompted to enter a DriveLock password. Intel Celeron processor 2.

I can live with that level of power consumption – insignificant compared to daughter running the AirCon whenever the temp moves off 22C! Cable could be loose.


This page requires Javascript. If a locked hard drive is present, POST will require a password to unlock the device. There are several methods for deploying a customized software image.

Integrated graphics may use system memory. Computer date and time display is incorrect. Computer will not respond to USB keyboard or mouse.

Altiris Client Management Suite. Management Technology Models include either vPro technology or standard technology.

HP Compaq dc Business PC – Troubleshooting Without Diagnostics | HP® Customer Support

Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device.

This may allow viewing of some protected high definition content that would otherwise be prohibited from playback.

That’s the only problem I’ve ever had with the DC but it was easy enough to work around it.