If the screen is blank, plug the monitor into a different video port on the computer if one is available. Users in this category include personal users or users who do not maintain sensitive data on their hard drives as a common practice. The application was not installed or configured correctly. For more information on HPQFlash, visit http: This power supply is rated to withstand a power surge of up to volts without incurring any system downtime or data loss. Cable Lock Provision The rear panel of the computer accommodates a cable lock so that the computer can be physically secured to a work area. Shut down the computer using the keyboard.

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In the Device Manager area, click the Device Manager button. The new password takes effect the next time you turn on the computer. Disc not properly seated in bp drive. Turn off the computer. Configuration files are corrupt. Software being used is not Microsoft-certified for your version of Windows.

HP Compaq dc7800 Business PC Specifications

If the hard drive LED does not turn on green then:. I don’t see my operating system. System Software Manager allows the system administrator to set the setup password on one or more PCs simultaneously.


Headphones are plugged into the dx7800 audio output connector.

Please try again shortly. Disconnect the drive cable from the system board. Fault Notification and Recovery Fault Notification and Recovery features combine innovative hardware and software technology to prevent the loss of critical data and minimize unplanned downtime. You may prefer to replace the preinstalled software image with a customized set of system and application software.

Otherwise, a bootable diskette must be used. The brightness and contrast controls are not set properly.

Cannot remove computer cover or access panel. To access this feature, open a browser from any other system on the network and enter http: Cd7800 has been reconfigured in the audio driver or application software. Check to see that the voltage select switch some models is set to the appropriate voltage for your region V or V. Operating System – Windows 7, Windows 8, Windows 8.

HP Compaq dc Service Reference Guide – Desktop Management | HP® Customer Support

Re-insert the Media with the label facing up. Therefore, DriveLock is most safely used when the data contained on the hard drive is replicated on a corporate information system or is regularly backed up.

Reset the printer by turning it off for one minute, then turn it back on. Computer seems to be locked up. Installing additional software applications after unbundling the preinstalled software image. This sc7800 detection tool installs software on your Microsoft Windows device that allows HP to detect and gather data about your HP and Compaq products to provide quick access to support information and solutions.


Remove selected files Download files.

The system may not have automatically recognized a newly installed device. HP has scanned your product but currently has no suggestions for driver updates. Entering a Power-On Password To enter a power-on password, complete the following steps:.

HP Compaq dc Business PC Specifications | HP® Customer Support

The Num Lock key can be disabled or enabled in Computer Setup. Be in front of your computer when you call. The operating system needs time to recognize the device if the reader was just installed into the computer and you are turning the PC on for the first time.

Monitor does not function properly when used with energy saver features. Helpful Hints If you encounter problems with the computer, monitor, or software, see the following list of general suggestions before taking further action:.