Prerequisite Steps ¶ 

Before one can access the interior of the HP Media Center 876x Desktop PC, the side panel(s) and/or front panel must be removed. See guides below for instructions on how to accomplish these preliminary steps.

Guide For Front Cover Removal

Guide For Side Panel Removal

Computer Does Not Read Discs ¶ 

Loose Optical Drive Cable Connection ¶ 

Ensure that the ribbon cable is connected securely from the motherboard to the optical drive. Clean the disc before placing it in the disc tray.

Defective Optical Drive ¶ 

If the ribbon cable is properly connected and problems persist, then the optical drive is defective and requires replacement.

Guide For Optical Drive Removal

Nothing Appears On Screen After Powering On ¶ 

Monitor Not Connected Properly ¶ 

Connect the blue colored VGA cable into the blue ports on the monitor and the back of the computer. Tighten the hand-screws of the cable in order to guarantee a secure connection.

Incorrect BIOS Settings ¶ 

Open the computer and remove the CMOS battery. Press, and hold down, the power button for 10 to 15 seconds. This will reset the BIOS settings for the computer.

Guide For Battery Removal

Defective Memory ¶ 

Open the computer and remove the random access memory (RAM) sticks, then place the sticks back in their respective ports. If the issue is still present, then the system memory is faulty and requires replacement.

Guide For RAM Removal

Faulty Video Card ¶ 

Open up the computer and remove the video card, then place the video card back into its port. If the computer still does not show an image on screen, or the image is of poor quality, then the video card is defective and requires replacement.

Guide For Video Card Removal

No Television Reception ¶ 

Faulty TV Tuner Card ¶ 

Open up the computer and remove the TV tuner card, then place the TV tuner card back into its port. If the computer continues to be unresponsive to the TV tuner, then the TV tuner card is defective and requires replacement.

Guide For TV Tuner Card Removal

Computer Shuts Off Without Warning ¶ 

Overheating Computer Due To Fan Failure ¶ 

If the fan is not spinning while the computer is powered on, turn off the computer and open it up to examine whether the fan is properly connected to the motherboard. If the fan is properly connected but is still not spinning, then it is faulty and requires replacement.

Guide For Cooling Fan Removal

Computer Does Not Turn On ¶ 

Faulty Power Supply ¶ 

Examine if the power supply connections are plugged in securely (to both computer tower and the wall outlet). Press the power button to turn on the computer. If the system fan is not spinning, the indicator lights are off, and the disk drives do not power on, then the power supply is faulty and requires replacement.

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