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Cursor will not move using the arrow keys on the keypad. Reset the printer by turning it off for one minute, then turn it back on. Check the power supply to make sure it is properly connected to the rear of the enclosure frame. Diskette drive cannot write to a diskette. Printer memory may be overloaded. Power cable from the computer power supply to the enclosure frame is not properly connected. This socket must be populated with a memory module.

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HP encountered an error while trying to scan your product. Printer is not turned on and online. Monitor settings in the computer are not compatible with the monitor. Xx7400 is in standby mode. High pitched noise coming from inside a flat panel monitor. Computer seems to be locked up.

In the audio driver or application software, reconfigure the jack or set the jack to its default value.

HP Compaq Business Desktop dx7400 – Core 2 Duo E6550 2.33 GHz – Monitor : none. Series

Do not know how to remove a media card correctly. Email list of drivers.


Ensure that the computer power is off while connecting the video cable. Make sure the processor heatsink is installed properly.

The network controller requires drivers. See the Hardware Reference Guide for instructions on installing a new battery, or contact an authorized dealer or reseller for RTC battery replacement.

HP DisplayPort To VGA Adapter (ASAA) | HP® Canada

Check the F10 BIOS settings to make sure the internal system speaker is not muted this setting does not affect the external speakers. Set bp Hardware acceleration slider to Full and the Sample rate conversion quality slider to Best and retest the audio. Drive responds slowly immediately after power-up. Ensure that the cable is attached to the correct connector. The external speakers are not turned on. Cannot connect to network server when attempting Remote System Installation.

Network controller is disabled. Power on the system.

How does HP install software and gather data? USB ports on the computer are disabled in Computer Setup. Too many applications running. HP Download and Install Assistant. HP Compaq Business Desktop. Monitor without energy saver capabilities is being used with energy saver features dx4700. Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. Re-insert the Media with the label facing up.


The system may not have automatically recognized a va installed device.

HP Compaq dx7400 Small Form Factor PC

Press the monitor’s Menu button to access the OSD menu. The Virtual Agent is currently unavailable.

During boot, the other monitor connectors are disabled and if the monitor is connected into these ports, the monitor will not function. Diskette drive cannot write to a diskette. Or, view all available drivers for your product below.

If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the vg and power-on passwords if they are set.