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PCG-984L Sony Viao Laptop Will not turn on, no lights, ac plug been replaced

PCG-984L Sony Viao Laptop

hello,

I was wondering if any of you guys have come across this issue before. I have this sony viao laptop modem pcg-984l that simply will not turn on at all. no lights anywhere. I have checked the voltage output of the pwoer supply of the unit, and it reads correctly at 19volts. I have also opened the notebook and checked the voltage reading on the power jack, and it reads 19volts as well. I have resoldered the jack just to make sure.

heres the funny thing. After putting the laptop back togethere, it did turnon several times.. but then, unexpectedly it wont turn on no more.

Not sure what else to check. Any ideas? thank you in advance!

Reply to
robert c
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Any ideas? Bad battery. Most modern laptops will exhibit symptoms of being totally dead if the 'smart' battery is in fact bad. I would start with a new or known good battery.

Reply to
dkuhajda

Does it have to have a battery in order to turn itself on while connected to the wall jack?

Reply to
robert c 

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Reply to
**THE-RFI-EMI-GUY**

The power supply /cord is a single unit. What I meant to say, is that i replaced the ac plug that mounts on the motherboard.

After doing so, I was able to boot up the notebook a few times.. but after a while it refuses to turn on at all.

This laptop is a few years old, and the problem started a few months ago.. by wiggling the ac cord ( pushing it in, or moving it around ) sometimes I would get the notebook to power up. So, I thought that the problem probably lies with the ac plug inside the unit, so the next step I took was to replace it.. however, the same issue persists..

Reply to
robert c

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