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All graphic intensive games lag on AC Power but not on battery


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9 replies to this topic

#1 Crusher21

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Posted 14 April 2015 - 08:22 PM

Whenever I am playing a graphic intensive game, such as GTA IV, with my laptop plugged in to its AC power, it lags. However, the instant I remove the power cord from the laptop, the FPS triples and the game runs smoothly. I have already checked my power options and I have Performance mode on. I also checked the advanced settings and everything looked fine in there. How can I diagnose the cause of this problem?
P.S. Kaspersky isn't causing the problem because this problem was occurring before I installed it.
My Specs:
OS Version: Microsoft Windows 8.1, 64 bit
Processor: Intel® Core™ i7-3630QM CPU @ 2.40GHz, Intel64 Family 6 Model 58 Stepping 9
Processor Count: 8
RAM: 8084 Mb
Graphics Card: Intel® HD Graphics 4000, -1984 Mb
Hard Drives: C: Total - 953340 MB, Free - 213145 MB;
Motherboard: SAMSUNG ELECTRONICS CO., LTD., 350V5
Antivirus: Kaspersky Total Security, Updated and Enabled



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#2 dicke

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Posted 14 April 2015 - 08:44 PM

Welcome,

How old is the laptop? If it's under warranty I'd be talking to the manufacturer about the power module. You didn't mention the name or model of the laptop, that too would be helpful.

 

Dick


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#3 Crusher21

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Posted 14 April 2015 - 08:51 PM

Hello,

My laptop is from 2012. It is no longer under warranty (I have already used the warranty). The model number is np350e7c-a01us.



#4 dicke

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Posted 14 April 2015 - 09:06 PM

In that case I'd think about finding a trustworthy technician who can repair it. Or trade it in on a new one.

 

Dick


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Dick E


#5 Crusher21

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Posted 14 April 2015 - 09:08 PM

So you think this is a hardware problem? Could a setting in one of my programs be causing this?



#6 dicke

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Posted 14 April 2015 - 09:25 PM

I don't think so.

Check your 'power options' on the control panel and make sure you haven't limited yourself.

The problem is happening too soon for software to be controlling it.

 

Dick


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#7 Crusher21

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Posted 14 April 2015 - 09:38 PM

My "power options" appear to be non-limiting. So the only thing to do from here is to take the laptop to a technician? Would staples easy-tech work?



#8 dicke

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Posted 14 April 2015 - 09:47 PM

Not familiar with their service or the training of their techs. If you trust them . . . .

 

Dick


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#9 noknojon

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Posted 15 April 2015 - 11:37 PM

Get the P.S.U (Power Supply Unit) and leads from the A.C. version checked first.

 

Wild idea, but it may be preventing full power from accessing your system, while the fully charged battery supplies full power .....



#10 jcgriff2

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Posted 16 April 2015 - 12:32 AM

I would suggest reinstalling Windows first & see if the problems still exist before spending any money on it.

 

You have nothing to lose and whatever tech you take it to will likely do the same thing.

 

Just curious - you said that you have "already used the warranty" -- what repairs were done on the system under warranty? 


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