Introduction

today we will show you how to open/ repair and upgrade the acer aspire 7551g

first of all : when you open a laptop you need to know where the screws come from , and how to put them back in the right location. so draw a map or use a magnetic project map.
  • first of all : when you open a laptop you need to know where the screws come from , and how to put them back in the right location. so draw a map or use a magnetic project map.

  • remove the battery

  • open the back panel ( remove the 2 screws) underneath you will see ram , hdd and wifi card.

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now remove the HDD , there is a screw you have to remove. ( under the screwdriver at the picture)
  • now remove the HDD , there is a screw you have to remove. ( under the screwdriver at the picture)

  • to get the hdd out you will have to pull the hdd plastic tab to the right . afterwards the hdd will be loose and you can remove it.

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  • remove the RAM modules. just click the metal levars tot the right and they will pop up.

  • remove the black screw from the wifi card. and remove the 2 antenna's. remember the color code.

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  • first remove the screw like you see in picture 1

  • use a spudger to pry the dvd bay away from the case

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  • remove the case screws

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  • remove following screws

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  • remove the following screws

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  • now we will remove the keyboard

  • note that if you have to replace the keyboard you don't have to remove any screws , just follow these instructions.

  • you have to push the "clips " away from the keyboard. ( 3 clips)

  • afterwards just pull (gently) the keyboard away. ( but watch out for the flex cable. In the next step you'll see how to remove the flex cable.

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  • first we remove the flex cable from the keyboard.

  • lift it up by using a flathead screwdriver.

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  • remove the cable's ( orange and pink circkle) use an IC extractor or a flathead screwdriver : be very carefull

  • remove aslo the screws ( red circkle)

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  • before we open up the case , we will remove the screen.

  • remove all black plastick stickers to reveal the hidden screws.

  • remove the screws and pry open the case around the screen.

  • be carefull cause there is adhesive under te cover. just pry and slide with your isesamo and you will hear clicks.

  • after that you will see the screen. remove the cable from the webcam module.

  • remove the screws at the ( both sides) side of the screen ( tiny screws in the metal frame around the screen)

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  • after removing al the screws there is the LCD cable. gently remove it.

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  • use a isesamo opening tool to open the laptop. slide with it and you will hear clicks.

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  • remove the cable from the connectors and remove the screws from the usb pcb.

  • after that remove the screw(s) from the mainboard.

  • remove the LCD connector ( do it gently , using the black plastic lid. Be carefull cause the cable is under a plastic holder don't break the cable..

  • be carefull when you want to remove the mainboard, the DC jack is in an holder and the cable is short.

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  • get the DC jack out of is holder.

  • remove the mainboard by lifting it up. and remove it from the case.

  • now you can remove ( if it's necessary ..) the power board PCB. see picture 3

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  • if necessary you can replace the dc jack now. use a IC extracor ..

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  • now we will remove the cpu/ graphic coolingpads and fan. You can do this for replacing the fan, or clean out the fan and renew the thermal paste or upgrade the cpu.

  • remove the power connector of the fan from the mainboard, use a IC extractor.

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  • remove the screws from the cooling pads.

  • remove them simultaneous !

  • after removing the screws lift the cooling pads up toghetter with the fan.

  • remove the thermal paste from the pads and chips. using Isopropyl alcohol.

  • you can also remove the cpu and upgrade the system with a better cpu..

  • to clean out the fan use compressed air and blow out the fan.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

2 other people completed this guide.

Kevin D

Member since: 05/02/2014

5,618 Reputation

21 Guides authored

2 Comments

Wonderful techniques to follow. Very good explation and practical work.

Sck - Reply

Thanks, glad i could help.

Kevin D - Reply

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