Difference between revisions of "HP model nc6220 CMOS battery replacement"

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This procedure seems complicated, but it can be completed easily in less than 10 minutes.  It basically involves removing the display and the top cover so that you can get to the battery.
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This procedure seems complicated, but it can be completed easily in less than 10 minutes.  Basically it involves removing the display and the top cover so that you can get to the battery.
  
  
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1. '''Remove the main battery, hard drive, keyboard and switch cover (the plate above the keyboard).'''
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1. '''Remove the main battery, hard drive and the keyboard.'''
  
  
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2. '''Remove the optical drive'''
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2. '''Remove the switch cover (the plate above the keyboard.)'''
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*   Take out the lock screw. (it's marked on the bottom edge of the laptop, near the drive.)
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* Gently run a thin-bladed screwdriver along the seam between the switch cover and the frame. Start from the center and work toward the edges.  There are no screws, just plastic tabs.
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*  Push the thumb button with the arrow on the far right side of the drive.
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* Unplug the switch cover from the motherboard.
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*   If the drive doesn't pop right out, gently assist with a small flat screw driver at the connection end inside the laptop (sometimes the screws come loose - make sure there are two connector screws).
 
  
  
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3. '''Remove the touch pad'''
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3. '''Remove the touch pad and unthread the antenna wires'''
 
* Press down with your left thumb on a spot just to the left of the top of the pad, and gently pull up the pad with your right hand.
 
* Press down with your left thumb on a spot just to the left of the top of the pad, and gently pull up the pad with your right hand.
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* Unplug the pad.
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* Unplug the pad and remove it.
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* Pop the antenna wires off the wireless card.
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4. '''Unthread the antenna wires from the wireless card'''
 
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* Pop the wires off the card.
 
 
* Gently pull the wires out of their channel all the way back to the display.
 
* Gently pull the wires out of their channel all the way back to the display.
  
  
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5. '''Remove the display panel'''
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4. '''Remove the display panel'''
 
* Unplug the display from the motherboard (top left).
 
* Unplug the display from the motherboard (top left).
 
* Remove the two Phillips screws on the front of the display, one in each corner.
 
* Remove the two Phillips screws on the front of the display, one in each corner.
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* Remove the four Torx screws on the back of the display (below the hinge).
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* Remove the four identical Torx screws on the back of the display (below the hinge).
 
* Gently lift the display up and set it aside.
 
* Gently lift the display up and set it aside.
  
  
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6. '''Remove the top cover'''
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5. '''Remove the top cover'''
 
* Flip the laptop over to the underside with the front towards you.
 
* Flip the laptop over to the underside with the front towards you.
 
* Use a hook to remove the two rubber screw covers from the front corners.
 
* Use a hook to remove the two rubber screw covers from the front corners.
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* Remove the three small Phillips screws from the hard drive compartment.
 
* Remove the three small Phillips screws from the hard drive compartment.
 
* Flip the laptop right side up.
 
* Flip the laptop right side up.
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* Remove the two small Phillips screws (located 1/3 down from the top and 1/3 over from the  right side).
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* Remove two small Phillips screws located 1/3 down from the top and 1/3 over from the  right side.
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* Gently pry the top loose from the left and right hinge areas.  It doesn't need to come all the way off the frame, but you can do so if you like.  (You may have to unplug the bluetooth connector in the lower middle to remove the top completely.)
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* Gently pry the top loose from the left and right hinge areas.  It doesn't need to come all the way off the frame, but you can do so if you like.  (You may have to unplug the bluetooth connector to remove the top completely.)
  
  
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7. '''Remove the CMOS battery'''
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6. '''Remove the CMOS battery'''
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* Unplug the cable that is on top of the battery cable from the motherboard and move it aside.
 
* Gently pull up on the battery, which is in the upper right corner.  It's not fastened, but it might be stuck.
 
* Gently pull up on the battery, which is in the upper right corner.  It's not fastened, but it might be stuck.
 
* Gently unplug the battery cable and remove the battery/cable assembly.
 
* Gently unplug the battery cable and remove the battery/cable assembly.
  
  
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8. '''Replace the battery assembly and reverse the process to reassemble'''
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7. '''Replace the battery assembly and reverse the process to reassemble'''
 
* Be careful to completely snap the top back into place.
 
* Be careful to completely snap the top back into place.
 
* Try to thread the antenna cables in the original channels and don't block the screw hole near the touchpad.
 
* Try to thread the antenna cables in the original channels and don't block the screw hole near the touchpad.

Revision as of 18:02, 10 August 2010

This procedure seems complicated, but it can be completed easily in less than 10 minutes. Basically it involves removing the display and the top cover so that you can get to the battery.


1. Remove the main battery, hard drive and the keyboard.


2. Remove the switch cover (the plate above the keyboard.)

  • Gently run a thin-bladed screwdriver along the seam between the switch cover and the frame. Start from the center and work toward the edges. There are no screws, just plastic tabs.
  • Unplug the switch cover from the motherboard.


3. Remove the touch pad and unthread the antenna wires

  • Press down with your left thumb on a spot just to the left of the top of the pad, and gently pull up the pad with your right hand.
  • Unplug the pad and remove it.
  • Pop the antenna wires off the wireless card.
  • Gently pull the wires out of their channel all the way back to the display.


4. Remove the display panel

  • Unplug the display from the motherboard (top left).
  • Remove the two Phillips screws on the front of the display, one in each corner.
  • Remove the four identical Torx screws on the back of the display (below the hinge).
  • Gently lift the display up and set it aside.


5. Remove the top cover

  • Flip the laptop over to the underside with the front towards you.
  • Use a hook to remove the two rubber screw covers from the front corners.
  • Remove the ten identical Torx screws, including the two under the rubber covers.
  • Remove the three small Phillips screws from the hard drive compartment.
  • Flip the laptop right side up.
  • Remove two small Phillips screws located 1/3 down from the top and 1/3 over from the right side.
  • Gently pry the top loose from the left and right hinge areas. It doesn't need to come all the way off the frame, but you can do so if you like. (You may have to unplug the bluetooth connector to remove the top completely.)


6. Remove the CMOS battery

  • Unplug the cable that is on top of the battery cable from the motherboard and move it aside.
  • Gently pull up on the battery, which is in the upper right corner. It's not fastened, but it might be stuck.
  • Gently unplug the battery cable and remove the battery/cable assembly.


7. Replace the battery assembly and reverse the process to reassemble

  • Be careful to completely snap the top back into place.
  • Try to thread the antenna cables in the original channels and don't block the screw hole near the touchpad.
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