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Forum Thread

How/why does a battery affect laptop performance?

DinkinFlicka 275 August 19, 2010 at 10:01 PM
One of my friend's Dell Vostro 1000 laptop had the problem of a laggy keyboard when typing on any program. He asked me whether replacing the battery would help with the problem. I said that there was no relation between the battery and the performance of the computer.

After some quick googling, I came across this [tomshardware.com], where many people had success by removing the battery. I figured this couldn't hurt to try, so I removed the battery (it was already dead; only acting as a weak UPS). Upon a reboot, there was no more lag when typing.

Why did this happen? I always thought the battery did not affect the performance of a computer. Am I wrong or is this example just a random miracle?

10 Comments

1

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#2
Some computers/OSes use different power management settings and will lower the performance of the computer if you are running on battery only. Typing still shouldn't lag though.
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#3
Quote from DinkinFlicka View Post :
(it was already dead; only acting as a weak UPS)
<speculation>
Maybe the O/S was constantly trying to get a reading from the battery and/or charge it

Quote :
Am I wrong?
Put the battery back in - if the lag returns you know it's related and you're wrong :-)
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#4
Quote from SSharon View Post :
Some computers/OSes use different power management settings and will lower the performance of the computer if you are running on battery only. Typing still shouldn't lag though.
I assumed the OP meant that a power brick was the primary source of power and the virtually dead battery was just sitting there in case power was lost for a few minutes.
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#5
The thread you (the OP) links to has several mentions of "hotkey polling" software being related to the problem. So, crappy software sounds like the culprit.
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#6
Quote from redskull View Post :
The thread you (the OP) links to has several mentions of "hotkey polling" software being related to the problem. So, crappy software sounds like the culprit.
I agree, this would also explain why a restart helped to clear the problem for the short term.

To the OP. Make sure the computer has the latest BIOS, All Drivers, and dell manage software. You can get this all from dells website. It may help to fix the issue especially if its software related.
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That's What She Said
275 Reputation
Original Poster
#7
Before I had taken the battery out, I restarted and the lag was still there.

I'll see if I can update the BIOS and the other things LiquidRetro said. While searching, I did see another link about tweaking some battery charge settings, so vivahate's idea of constant charging attempts might be right.

Do you think adding a new battery without changing any of the settings would affect the lag?
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#8
Quote from DinkinFlicka View Post :
Do you think adding a new battery without changing any of the settings would affect the lag?
Doubt it, but depends on what the problem is. The only thing I can think of is if maybe there's some battery optimization or monitoring software that's having problems because it's not getting a proper response from the battery. In that case, installing a new battery may actually make the problem disappear.

Have you booted it up & run it with no battery installed at all? Or did you remove it, boot it & put the battery back in?
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#9
Quote from DinkinFlicka View Post :
One of my friend's Dell Vostro 1000 laptop had the problem of a laggy keyboard when typing on any program. He asked me whether replacing the battery would help with the problem. I said that there was no relation between the battery and the performance of the computer.

After some quick googling, I came across this [tomshardware.com], where many people had success by removing the battery. I figured this couldn't hurt to try, so I removed the battery (it was already dead; only acting as a weak UPS). Upon a reboot, there was no more lag when typing.

Why did this happen? I always thought the battery did not affect the performance of a computer. Am I wrong or is this example just a random miracle?
Easy permanent solution:
Click Start -> right click My Computer -> Click Manage
Expand Services and Applications and click on Services
Look for ATI Hotkey Poller (I think that's what it's called) and doubleclick on that entry.
Change the Startup type to Disabled.
Reboot.

You should now be able to use the battery with the system. It's got something to do with how the BIOS communicates with the power features of the integrated video and the service causing some kind of communication issue. You don't need the service. Google it if you want more info about the service.
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That's What She Said
275 Reputation
Original Poster
#10
Quote from flea View Post :
Easy permanent solution:
Click Start -> right click My Computer -> Click Manage
Expand Services and Applications and click on Services
Look for ATI Hotkey Poller (I think that's what it's called) and doubleclick on that entry.
Change the Startup type to Disabled.
Reboot.

You should now be able to use the battery with the system. It's got something to do with how the BIOS communicates with the power features of the integrated video and the service causing some kind of communication issue. You don't need the service. Google it if you want more info about the service.
Well I stopped that service and rebooted with the battery in. The keyboard was still laggy so I turned off the computer and took the battery out. After the reboot, i turned the service back on to Startup -Automatic (I definitely should have done that before the rebooted). The service was still disabled, but the startup was automatic. I opened up a firefox window and got a BSOD (stop code 0x000050) which after a quick google search, found that was a problem withthe video. After the hard restart, the service was started. No BSODs yet.
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#11
Quote from DinkinFlicka View Post :
Well I stopped that service and rebooted with the battery in. The keyboard was still laggy so I turned off the computer and took the battery out. After the reboot, i turned the service back on to Startup -Automatic (I definitely should have done that before the rebooted). The service was still disabled, but the startup was automatic. I opened up a firefox window and got a BSOD (stop code 0x000050) which after a quick google search, found that was a problem withthe video. After the hard restart, the service was started. No BSODs yet.
Really? On a few of the Vostro 1000's we have, disabling the service fixed the issue. New batteries did nothing for it. A few other people were successful with disabling the ATI service including one from the link you posted.
http://www.tomshardware.com/forum...ow#t218387
aslo http://forums.majorgeeks.com/show...stcount=19

You can try disabling the Cyberlink service.
http://www.randomsupport.com/rs/b...&tb=1&pb=1
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