HP Desktop Pro A G3 MT Maintenance and Service Guide - Page 75
Device Security, Drive not found
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Drive not found (identified). Cause Cable could be loose. The system may not have automatically recognized a newly installed device. The device is attached to a SATA port that has been hidden in Computer Setup. Drive responds slowly immediately after power-up. Solution Check cable connections. See reconfiguration directions in the Solving hardware installation problems on page 61 section. If the system still does not recognize the new device, check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem. If this is a newly installed drive, run the Computer Setup utility and try adding a POST delay under Advanced > Power-On Options. Run the Computer Setup utility and ensure Available is selected for the device's SATA port in Security > Device Security. Run Computer Setup and increase the POST Delay in Boot Options > POST Hotkey Delay (sec). CD-ROM or DVD devices are not detected or driver is not loaded. Cause Solution Drive is not connected properly or not properly configured. See the documentation that came with the optional device. Movie will not play in the DVD drive. Cause Movie may be regionalized for a different country. Decoder software is not installed. Damaged media. Movie rating locked out by parental lock. Media installed upside down. Solution See the documentation that came with the DVD drive. Install decoder software. Replace media. Use DVD software to remove parental lock. Reinstall media. Cannot eject compact disc (tray-load unit). Cause Disc not properly seated in the drive. Solution Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the disc. CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start. Cause Solution Media is corrupt. Try different media to confirm whether media is valid. Solving CD-ROM and DVD problems 67