Dell Latitude D620-CPU sky-rockets to 100% when taken off charger

Please help! I just recently acquired a Dell Latitude D620 from Amazon, and I noticed when I took off my charger, things tended to slow down. I checked my CPU usage and it's at 100%. So I naturally put back the charger and it just lowered itself down to 40%-80%. I tried everything, Windows 7 Basic mode, turning off unused processes, turning off some programs on startup, closing down programs, etc. Can you guys tell me what's wrong? It's irking me so that I can't leave my charger for 5 MINUTES and it's just painfully slow.

NOTE: On that video, I am processing a video on Camtasia, but that's normal. If I didn't process a video on Camtasia, it will still act up like that.

Here's a video on YouTube I posted for more info: http://www.youtube.com/watch?v=gSNpoWk3Hmc.

Here are some pictures of the CPU usage:

alt text

^On the charger.

alt text

^Off the charger.

d620 skyrockets help latitude charger homepremium up dell to windows7 usage 100 cpu

asked Jan 28 '12 at 14:45

DJ Scooby Doo
9.5k●232●279●379

3 Answers:

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alt text

^Set it as I've shown you and you won't be having that throttling problem you have now.

answered Jan 29 '12 at 02:22

Billy Aoki
3.7k●27●37●78

Yoooo, @Billy Aoki, THANKS BRO! I've been looking for a fix and here I found it.

(Feb 02 '12 at 22:04) DJ Scooby Doo

You're welcome. I used to have this problem in one of my old laptops, but it was persistent and kept going back to its original 20% maximum processor state. Turns out it was a really bad OEM driver.

(Feb 03 '12 at 06:59) Billy Aoki

Great Laptop! You can buy the Cellular Module for it off eBay, then you'll have another backup to connect to the internet.

I've seen this before. Just go into the Control Panel, and tweak the Power Options for when on Battery or Plugged In.

alt text

answered Jan 28 '12 at 15:46

r0bErT4u
31.0k●513●672●938

It's on balanced, and I tried to tweak them the best I can.

BTW: Thanks for the laptop compliment. Do you have the same also?

(Jan 28 '12 at 16:53) DJ Scooby Doo

DELL was the computer of choice at my previous places of employment, so I'm very familiar with the DELL line of products. Try going to DELL's website, and make sure the latest bios, drivers & updates have been applied. I seem to recall that there was an issue with the power consumption with a certain rev.

(Jan 28 '12 at 17:37) r0bErT4u

Also while you are at it. Cause I have two Dell pc over here. But would apply to laptops as well. Take a look and see if they have an updated bios as well for your particular laptop. I have done this on both of them over here and never had a problem flashing them. and they are still working great here. Check which revision you have on your laptop. Usually it would be on the intro screen from Dell itself. If your Bios revision is older than the current it might be that as well when I come to think about it. Sometimes they upgrade certain things within there for battery management as well.

answered Jan 28 '12 at 17:52

Compucore
2.4k●11●19●25

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Asked: Jan 28 '12 at 14:45

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Last updated: Feb 03 '12 at 06:59

Dell Latitude D620-CPU sky-rockets to 100% when taken off charger

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