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Is it gone?

ProBook 4420s

Best Answer redsox1 , 27 May 2016 - 12:26 PM

paws.........YOU DA MAN!!!!! Don't know which did it, but it came back. Thank you soooooooo much!! Go to the full post »


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#1
redsox1

redsox1

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My wife's computer slid off her lap and now it won't start. It did come on a couple times, but shut off again. Now..... nothing. Anything I can try? Thanks in advance!!!!


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#2
paws

paws

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Hi redsox1,

sorry to hear about the accident to your wife's computer

 

Its not good news that it now won't start properly, but maybe there is some tests we can make to find out if it is salvageable.

 

1  Remove any CD's or DVD's or memory sticks or printers cameras phones, or other gadgets from the laptop and make sure the computer is powered down (if you can!) hold down the power on button for 25 seconds and then release it.

 

2 Unplug the mains electric cord and power supply unit from the wall socket

 

3 Unplug the other end of the above cord from the laptop computer.

 

4 Remove any other wires connected to the laptop, and turn the computer over so you can get at the underside and remove the battery ( that is the big battery..place it somewhere safe)

 

5 remove the access cover from where the RAM modules sit.....( usually held in by one or sometimes a few small screws.... note carefully how they fit, but before touching them touch a bare metal part of laptop computer to equalise the earth (ground) potential and with a finger nail press on the retaining levers at either end of the module and the RAM module should fly sharply up to be at an angle of around 45 degrees, the RAM module can now be removed by gently pulling it out.... place in a safe place and then do the same procedure for the second RAM module (if fitted)...as its best to replace each module in its own original position note which one goes where!

 

6 Look at the Ram modules and you will see a tiny "cut out" in the connectors (gold coloured) usually around two thirds of the way along it..... this is to help when you replace the modules, as the laptop's RAM sockets have a "peg" that locates in the cutout to ensure correct alignment... don't try and force them in, don't touch the connectors (hold only by the modules edges) and insert them in the correct order making sure they are well seated as far as they will go in, still at an angle of 45 degrees or so then pressing them down so they become flat you will find that the levers at the modules ends snap into place locking them in.

 

7 Explanation

when a laptop is dropped a likely cause of the problems you have been experiencing with starting, is one or both RAM modules becoming displaced slightly from their correct location and this can cause the non starting... following the above procedures ensures two important things

 

it ensures that each module is relocated correctly

the act of removing and then replacing then helps removes any oxidization that may be causing incomplete connection integrity

 

9 Now replace the ram cover, replace the battery, connect the power core to the laptop ( via the Power Supply Unit) and finally connect the other end of the power cord to the wall socket 230v/115v power outlet, if you are located in USA then its normally a 110/115 v wall socket outlet (if in UK then its 230v

 

10 press the power on button and see if it starts... if so rejoice, if not then post back and we will move on to the next steps.

regards

paws


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#3
redsox1

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✓  Best Answer

paws.........YOU DA MAN!!!!! Don't know which did it, but it came back. Thank you soooooooo much!!


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#4
paws

paws

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Hi redox1,

That's good to hear.

Well done!

:thumbsup:

Regards

paws


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