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In the Tasks list, select Device Manager. Change the settings to a supported setting then restart the computer so that the new settings take effect. Reconfigure the computer after installing a non—plug and play expansion board or other option. Disable monitor energy saver feature. The inserted media card has boot capability.

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Cables are not properly connected.

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

Under Network and Internetselect View network status and tasks. The Virtual Agent is currently unavailable.

The correct device driver is not installed. Software being used is not Microsoft-certified for your version of Windows. The memory modules may not be installed correctly.

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

Check to see that the voltage select switch some models is set to the appropriate voltage for your region V or V. Open the hood and ensure the 4- or 6-wire power supply cable is seated into the connector on the vba board.

Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps four times. To resume from standby mode, press the power button or press any key. External speakers plugged into the wrong audio jack on a recently installed sound card.


Check that both power supply cables are properly connected to the system board. Headphones are plugged into the rear audio output connector.

HP Compaq dx7400 Business PC Service Reference Guide – Troubleshooting Without Diagnostics

Drive responds slowly immediately after power-up. On systems with Intel integrated graphics, the integrated graphics cannot be enabled after installing a PCI Express x Digital CD audio is not enabled.

Follow the procedures described in the “ROM Flash: Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times.

Use Windows Device Manager to deselect the automatic vag for the board and choose a basic configuration that does not cause a resource conflict.

Blurry video or requested resolution cannot be set. Fluorescent lights or fans may be too close to the monitor.

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.

The computer will restart if automatic start on power loss is set in Computer Setup. Movie will not play vg the DVD drive.


am4computers – HP Compaq dx Microtower PC – GWEA – EGYPT

Jack has been reconfigured in the audio driver or application software. Bootable hard drive is not attached as first in a multi-hard drive configuration. Check the F10 BIOS settings to make sure the internal system speaker is not muted this setting does not affect the external speakers.

If you recently added new hardware, remove the hardware and see if the computer functions properly.

Processor is not seated properly or not installed. For example, to format a 1. Insert the key and turn the lock clockwise 90 degrees. Verify that you are using the correct media for the drive.

Enable digital CD audio. Direct sound latency, common in many media player applications. Install the correct printer driver for the application. Either the directory structure is bad or there is a problem with a file.