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Gateway Laptop Model MA7 --- MT6840

 
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Theresa
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PostPosted: Mon Mar 30, 2009 4:32 pm    Post subject: Gateway Laptop Model MA7 --- MT6840 Reply with quote

My laptop won't turn on. If the battery is completely dead, even if the laptop is plugged in via the power cord, will the unit not turn on? I wouldn't think the battery would matter. All I get is a flashing red light instead of the blue light when I try to turn it on.
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zork
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PostPosted: Mon Sep 07, 2009 4:59 pm    Post subject: flashing light Reply with quote

I have same problem and cannot get an answer from anywhere
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eskreech



Joined: 07 Sep 2009
Posts: 2

PostPosted: Tue Sep 08, 2009 5:31 am    Post subject: Reply with quote

this is the problem with my hp laptop.. and i am thinking of selling it for surplus since i can't get it to work Sad
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Justmanuals



Joined: 21 Aug 2004
Posts: 1949

PostPosted: Wed Sep 09, 2009 1:33 am    Post subject: Reply with quote

They make great doorstops too!
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eskreech



Joined: 07 Sep 2009
Posts: 2

PostPosted: Wed Sep 09, 2009 1:36 am    Post subject: Reply with quote

Justmanuals wrote:
They make great doorstops too!


what do you mean doorstops?
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hajnrih



Joined: 13 Apr 2010
Posts: 12
Location: MACEDONIA

PostPosted: Tue Apr 13, 2010 1:41 am    Post subject: bla bla Reply with quote

OK. Its an adm turion laptop with a sis chipset. There is nothing wrong with the motherboard. The problem is in the chipset. The flashes mean that some of the solder balls under the sis chipset is damaged. The solution is very simple. If you have a hot air gun or a simle home hair dryer you can fix it.

first take the laptop apart all the way to the bare motherboard.
locate the main chipset.
take a piece of aluminium tin foil and wrap the motherboard - it helps dispence the heat.
take a knife and cut out the tin foil in a square where the chipset is located.
take the hair dryer or if you have a hot air gun set it to 330 degrees celzius and air flow to 5.
heat the chipset for about 3 minutes making slow passes over the chipset.
do not hold the air gun on one place long because you will damage the chipset.
after heating it let it air cool for about 10-15 minutes.
Plug everything back in and turn on the laptop. it should work just fine.
if you get the same problem again repeat the procedure.
For better thermal conductivity be sure to apply thermal paste on the cpu the main chipset and the vga chipset.

THIS IS A RULE FOR ALMOST ALL LAPTOPS THAT HAVE A AMD TURION CPU, SIS CHIPSET AND AN NVIDIA VGA. IF YOUR LAPTOP TURNS ON BUT THERE IS NO PICTURE THIS IS ALSO THE SOLUTION ONLY APPLIED TO THE VGA CHIPSET - NVIDIA OR ATI OR SIS.

HOPE THIS HELPS.

CHEERS
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PostPosted: Fri Jun 04, 2010 9:01 pm    Post subject: Reply with quote

Hi if the charge light on the front flashes when you try to turn it on ot means teh battery is flat most likly the dc socket is faulty and it is not charging the battery. Very common fault i have repaired many like this. Take care though if you try to resolder the socket your self the + center pin has to be resolderd both sides of the motherboard as it is dual sided print hope this helps cheers Bob
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Chris Legrand
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PostPosted: Thu Jan 10, 2013 8:51 pm    Post subject: GATEWAY MT6223B not charging Reply with quote

Anonymous wrote:
Hi if the charge light on the front flashes when you try to turn it on ot means teh battery is flat most likly the dc socket is faulty and it is not charging the battery. Very common fault i have repaired many like this. Take care though if you try to resolder the socket your self the + center pin has to be resolderd both sides of the motherboard as it is dual sided print hope this helps cheers Bob


I Love You Bob.
I changed the DC socket with no success and then i read your post and sure enough on the centre pin of the old socket was a tiny copper sleeve that must connect the PCB from one side to another. I heated up the old socket and slid off the sleeve and removed the new skt and got in onto the new skt and refitted the whole thing and BINGO...... WORKING
..... You see... the internet is good for SOME things :)
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natashaoyer21
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PostPosted: Sun Feb 16, 2014 4:53 am    Post subject: laptop won't turn on Reply with quote

I have the same laptop. The laptop was working fine last night but wouldn't turn on this morning . Only the battery light flashed 4 times I've tried taking battery out even tested battery the "battery test" light up to 25 only one light lit. I don't know if that means the battery works of not .. please help!!! I'm lost an inexperienced with electronics Sad
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