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6 Posts

03-28-2013

Malta

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Y560 - Laptop freezes when connecting Power Adapter

2013-06-02, 19:24 PM

Hi guys, I have an i7 Y560 Lenovo

 

Everytime I connect my power adapter to the laptop the laptop just freezes. Alternatively if I boot up with the power cord attached the windows boots, but the login page never appears, I just get a black screen.

 

I have to say that the laptop works perfectly fine on battery.

 

My CPU and GPU temperatures are reported to be around 60C and 55C respectively.

 

I have tried a different power adapter, no luck, so that power adapter is working.

 

Another thing to note, when switched off, the battery is charging normally.

 

I have opened my laptop and also cleaned it, and I'm in the process of replacing my DC jack just in case its shorting.

 

Any other suggestions of what could be causing this ?

 

 

Specs:

Lenovo Y560

i7 720QM Processor

4x2GB RAM - 8GB

512GB SSD Drive

Windows 7 Professional

Laptop Age: 2yrs 5 months

 

 

Mod's Edit: System model added to front of Subject line to improve visibility / clarity.

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6095 Posts

02-11-2012

Philippines

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Re: Laptop freezes when connecting Power Adapter

2013-06-04, 21:33 PM

hi davidecatania,

 

Welcome to the Community.

 

I've seen an issue wherein the touchpad goes erratic when the AC adapter is plugged-in (see this thread) and using the AC adapter in another wall outlet (preferrably in another socket in the other side of the house) fixes the issue - possible cause was the wall outlet that is used when the issue occur may not be properly grounded.

 

If this fixex your problem, it's probably shorting some parts on the unit when it's plugged-in.

 

 

Regards,

neokenchi



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6 Posts

03-28-2013

Malta

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Re: Laptop freezes when connecting Power Adapter

2013-06-15, 18:32 PM

unfortunately this does not solve the problem,

 

i changed the hard disk, the dc jack adapter, formatted my disk and still no go :(

 

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6 Posts

03-28-2013

Malta

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Re: Laptop freezes when connecting Power Adapter

2013-06-15, 20:04 PM

a new diagnosis i made,

 

i formatted the drive and the default windows 8 graphic drivers got installed. - pc was still acting weird and freezing at times but never completely freezing

 

i installed the graphic card drivers and the same identical problem as before pops up, connect the power supply and pc just freezes

 

i guess my gpu got "partially" fried

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29 Posts

06-24-2013

Saudi arabia

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Re: Laptop freezes when connecting Power Adapter

2013-06-24, 18:40 PM
Hi david,
I have the same problem with y560.
Do you think that the gpu need to be replaced or any solution..
But when i disable the videocard it boot normally and all are working fine except for the disabled video card

Any solution for this problem? Can some one help?
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29 Posts

06-24-2013

Saudi arabia

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Re: Laptop freezes when connecting Power Adapter

2013-06-24, 18:46 PM
I think the gpu is not fried because it is still working when the power adapter is not plugin.
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6 Posts

03-28-2013

Malta

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  • Message 7 of 19

Re: Laptop freezes when connecting Power Adapter

2013-06-24, 19:15 PM

This is the only hope I have, and I hope you're right.

 

However I'm afraid that when the power adapter is plugged certain parts of the chip are additionally activated (specifically the damaged part).

 

My solution up to now is to use Linux Ubuntu (which doesn't use the most optimized driver) but at least I have a working laptop which I'm just using as a server. Works even when plugged in with Linux

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29 Posts

06-24-2013

Saudi arabia

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Re: Laptop freezes when connecting Power Adapter

2013-06-24, 19:28 PM

After some searching i found out what was preventing me from booting successfully
This thread here has the solution

http://forums.lenovo.com/t5/IdeaPad-Y-U-V-Z-and-P-series/ideapad-y560-radeon-5730-black-screen-need-...


, apparently there are some problems with the power options/energy management, what ever.The computer would open and work fine (with the driver you gave me) if I open it running solely on the battery and not connected by the power cord. Everything seems normal
Graphically utilized softwares would run normally,the screen runs at native resolution etc.
However as soon as I plug in the power cord it would freeze (or perhaps refresh at less than 1Hz and then gradually completely freezes if that makes sense)

After looking at the instructions in that thread:-
------------------------------------------------------------------------------
"
i had to adjust the energy settings in windows. the mininmal performance is set to 100 percent for running with cable. if you set it to 5% like running on battery, it isnt crashing. perhaps this could be a solution to other having the black screen after windows logo.

here's what to do:
boot in safe mode and adjust your energy settings for running with ac adapter. set the minimal performance to 5%"
--------------------------------------------------------------------------------
so I got kinda confused here i assume he is talking about the processor power management settings
So running normally i set the minimum processor state to 5% for 'Plugged in' (All inside the high performance preset which i assume will be loaded at startup)I restarted with the powercord on, still got a black screen.
So off to safemode,
"adjust your energy settings for running with ac adapter. set the minimal performance to 5%"
from what I can interpret, it seems like there's a specific option inside the minimum processor state ( on battery and plugged in)
however there is only one option (percentage) I think it's global for both.
It is set to 5%.

I am just one step away....
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29 Posts

06-24-2013

Saudi arabia

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  • Message 9 of 19

Re: Laptop freezes when connecting Power Adapter

2013-06-24, 19:30 PM
Have you try that solution that i post?
So your using linux or ubunto? And everything is working fine?
So whag do you think is the problem?with the windows or hardware?
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6834 Posts

06-27-2008

United States of America

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  • Message 10 of 19

Re: Laptop freezes when connecting Power Adapter

2013-06-24, 18:36 PM

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