Question about HP Compaq Presario 906US Notebook
How to open the case
Tips for a great answer:
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
A computer case holds major hardware components such as a motherboard, hard drives and expansion cards.
Desktop cases come in a variety of designs but they all share a similar feature; the motherboard is fastened in the special tray attached to one internal side panel of the case. Typically you need to open the opposite side panel to access the inside of the case.
Switch off the computer.
Unplug the power cords from the back panel of the computer and from all attached peripherals.
Depending on your computer's set up, you might also need to disconnect other cables and peripherals, including keyboard/mouse, network and video cables.
Turn the computer around to face its back panel.
Unscrew two screws on that fasten the side right panel of the case.
Modern cases typically use thumbscrews; loosen and then remove such screws with your fingers. Other cases employ release buttons that you need to push.
Consult your computer owner's manual if in doubt.
Slide the case side panel back to open the case.
Hope this helps.
Nov 21, 2012 | Computers & Internet
Shut the computer down completely if you are installing a PC speaker in a computer that you have already built.
Disconnect the power cable, and bring the PC case to a sturdy table or workbench.
Open the PC case.
A PC case sometimes has a release lever that you can use to slide the cover off without tools.
If your case has no release lever, look for a series of Phillips-head screws on the back and remove them before sliding the cover off of the case.
After removing the cover, place the case on its side so you can access the motherboard.
Locate the connector for the PC speaker near the front of the case.
Generally, the connector has two wires black and red and a black connector with four holes on the end.
Examine the black connector, and note the hole a dot or arrow next to it.
This end of the connector should align with pin 1 on the motherboard.
Look for a bank of pins on the motherboard, near the front of the PC case.
Near the bank of pins, there should be a guide explaining the purpose of each section of pins. Examine the guide to find the four pins labeled "SPK," "SPEAKER" or similar.
Place the connector over the four corresponding pins so that the side of the connector marked with an arrow or dot goes over the pin marked "1."
Hope this helps
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