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AdmiralTimothy
Paper Tape
Posts: 4
Registered: ‎01-21-2012
Views: 398
Message 1 of 8

Lenovo 3000 n500 crashes after pressing A-F buttons

Hi!

 

The problem appeared about 3 days ago. I was working on my school project, when suddenly the screen froze and a second later the blue screen came on . Unfortunately I was unable to read the message, before the computer restarted itself. Now every time that I press the keyboard buttons from A to F a little harder than usual the blue screen appears and the computer restarts itself. Can somebody tell me what caused the crash. I've already run the virus scan but nothing was found.

 

Timothy

Community SeniorMod
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Registered: ‎01-21-2010
Location: US
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Message 2 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

Hi AdmiralTimothy and welcome to the community,

 

It sounds like something is shorting under the keyboard.  It could be the keyboard cable, the keyboard itself, the cable connector, or a component under the keyboard.

 

You're not going to know until you take the keyboard off and inspect it and the cable.  Look for any kinking or rub marks on the cable.  If it's rubbing against any metal in the chassis, use a piece of anti-static bag to insulate it between the cable and chassis.  Make sure the cable connector is seated properly.  While you're under there blow out any dust or dirt you might see with a can of air.

 

Dave


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AdmiralTimothy
Paper Tape
Posts: 4
Registered: ‎01-21-2012
Views: 373
Message 3 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

Hello Dave!

 

I followed your advice and dissasembled the keyboard. The cables seem to be OK and they are not rubbing against any kind of material.. When I dissasembled the keyboard, and when I pressed with my finger on the plastic on top of the motherboard, the computer has crashed yet again.So it appears that something is wrong with the motherboard. Do you have any advices what to do now?

 

Timothy

Community SeniorMod
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Registered: ‎01-21-2010
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Message 4 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

Sounds like something is shorting on the board.  Do you have any warranty left?

 

Dave


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AdmiralTimothy
Paper Tape
Posts: 4
Registered: ‎01-21-2012
Views: 356
Message 5 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

Hi!

 

Unfortunally no. The warranty has just expired. Can you tell me where can I find/get the replacement parts?

 

Timothy

Community SeniorMod
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Posts: 3,976
Registered: ‎01-21-2010
Location: US
Views: 350
Message 6 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

Hi Timothy,

 

On the bottom of the laptop, under the area where you're pressing, isn't that where the ram chips are?

 

You might want to take the cover off of the bottom and maybe see what's there where you're pressing.

 

If the ram chips are under there, try taking a chip out one at a time and do your press thing and see if maybe the ram chips are at fault or maybe one of the DIMM slots.  It sounds like pressing on the board is flexing something either on the board or a component that's mounted to the board.  

 

Make sure the ram is seated properly first.

 

Dave 


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AdmiralTimothy
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Posts: 4
Registered: ‎01-21-2012
Views: 340
Message 7 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

Hello Dave!

 

Well I'll do what you told me to do and I'll reply back what might be the problem

 

Timothy

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Registered: ‎01-21-2010
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Views: 329
Message 8 of 8

Re: Lenovo 3000 n500 crashes after pressing A-F buttons

I always try the easy cheap stuff first.  


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