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I have a HP Pavilion dv7-1235nr Entertainment Notebook. The battery and powercords have been changed since I thought they were the problem but turned out not to be. The laptop remain off and make a beeping noise and won't come completely on. What's wrong and what can I do to get this fixed?

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Computer does not boot up The problem maybe the RAM, it is faulty or just needs reseating to make proper electrical contact.
Reseat the RAM and then boot up your laptop. If it still does not boot up then remove the RAM module/s and take them to your friendly computer repair shop and get them to test the RAM for you. Just like you sometimes need a mechanic to repair your car, sometimes you do need a technician to diagnose and identify the fault or faults on your computer. Not only does a good service technican have the experience to deal with this type of problem, they also have the equipment that allows them to look at things the average computer user can't see, and he has a collection of replacement parts that can be used to quickly test individual components on your computer.

Posted on Jan 23, 2013

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SOURCE: boot up beep and blanck screen

The beep patterns always tell you what the problem is, but it depends on what kind of BIOS is in your computer. You can take a look here, maybe you find what is the problem with your machine: http://www.pchell.com/hardware/beepcodes.shtml

Posted on Apr 11, 2009

leecom72
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SOURCE: need to replace keyboard in HP Pavilion dv6626us

Hi,
Turn the computer off and close the computer lid.
Remove the battery and the AC power supply.

1st we need to remove the switch cover or keyboard bezel. This is plastic strip that runs above the keyboard.

Turn the computer upside down with the front panel towards you.
Remove the three Phillips screws that secure the switch cover to the computer.

Turn the computer display-side up with the front toward you.
Open the computer as far as possible.
Lift the rear edge of the switch cover and swing it forward until it rests on the keyboard.

Release the zero insertion force (ZIF) connector to which the LED board cable is connected and disconnect the cable from the LED board.
Remove the switch cover.

Now remove the panel directly above the battery compartment and remove the 2 keyboard screws there and another 2 screw in the battery compartment (they should me marked with icons of keyboards)

Turn the computer display-side up with the front panel towards you.
Open the computer as far as possible.
Lift the rear edge of the keyboard until it rests at an angle.
Slide the keyboard back to disengage the tabs on the front edge of the keyboard from the top cover.
Swing the keyboard forward until it rests on the palm rest.

Release the ZIF connector to which the keyboard cable is connected and disconnect the keyboard cable from the system board.

Remove the keyboard.

Just reverse the procedures to replace everything.

Good luck.

Posted on Sep 17, 2009

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http://h10025.www1.hp.com/ewfrf/wc/prodinfoCategory?lc=en&dlc=es&cc=mx&product=3824509&lang=es

Please find complete details for HP Pavilion dv4-1151TX Entertainment Notebook PC in the above link.

The price for the same starts from HK$9,980
Thanks

Have a nice day.

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