MBP performance with and without battery attached while plugged in

Hello all, I read somewhere that, even when plugged in, your MBP draws power from the batteries for performance. And I notice this when I try to use my MBP with the battery removed, which leads to lag and stutter.
So, my question is, does this happen while running windows on your MBP too?

Well, I do have an aluminum cooler with 2x60mm fans blowing quite a lot of air into the underside of the MBP. The cooler reduces the temp of the MBP about 5 degrees celcius with the battery, but without the battery, the cooler reduces the temp by about 10. Under load, the temperature differences become greater. I don't know if the greater temp difference without battery this is due to underclocking of the CPU, or just removal of the battery leading to less insulating material. And of the times I've runned Windows without a battery, there has been no shutdowns or BSODs, and I haven't noticed any change in performance.
Guess I should take the confound (cooler) out of the equation and see if performance changes with/without battery.
BTW, CPU-Z shows no change in clock speeds with or without battery in Windows.
Oh, and is there any way to see if my 8600GT is defective or not?
(Related Link About Failing GPUs: http://gizmodo.com/5273827/apple-extends-free-graphics+related-repair-offer-for- older-macbook-pros )

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Query Performance with and without cache

Hi Experts
I have a query that takes 50 seconds to execute without any caching or precalculation.
Once I have run the query in the Portal, any subsequent execution takes about 8 seconds.
I assumed that this was to do with the cache, so I went into RSRT and deleted the Main Memory Cache and the Blob cache, where my queries seemed to be.
I ran the query again and it took 8 seconds.
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Forum points always awarded for helpful answers!!
Many thanks!
Dave

Hi,
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After reading and resetting everything with Keyboard I still get blank white screen. The only way I can boot to Mavericks is unplug power cord, push and hold power button while plugging power cord in. Fans at full speed.

After reading and resetting everything with Keyboard I still get blank white screen on 2nd? page of boot. The only way I can boot to Mavericks is unplug power cord, push and hold power button while plugging power cord in. Fans run at full speed, machine boots then runs normal except the dvdrw will not . The mid 2011 IMAC had the same problem with LION. I changed hard drives, formatted, and installed a clean install of latest os x mavericks. Any help would be greatly appreciated.
EtreCheck version: 1.9.15 (52)
Report generated August 30, 2014 at 6:56:41 PM EDT
Hardware Information: ?
 iMac (21.5-inch, Mid 2011) (Verified)
 iMac - model: iMac12,1
 1 2.5 GHz Intel Core i5 CPU: 4 cores
 4 GB RAM
Video Information: ?
 AMD Radeon HD 6750M - VRAM: 512 MB
 iMac 1920 x 1080
System Software: ?
 OS X 10.9.4 (13E28) - Uptime: 0 days 0:16:53
Disk Information: ?
 ST3120026AS disk0 : (120.03 GB)
 S.M.A.R.T. Status: Verified
 EFI (disk0s1) <not mounted>: 209.7 MB
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USB Information: ?
 Apple Inc. FaceTime HD Camera (Built-in)
 CHICONY USB NetVista Full Width Keyboard
 Apple Inc. BRCM2046 Hub
 Apple Inc. Bluetooth USB Host Controller
 Apple Computer, Inc. IR Receiver
 Apple Internal Memory Card Reader
Thunderbolt Information: ?
 Apple Inc. thunderbolt_bus
Gatekeeper: ?
 Anywhere
Kernel Extensions: ?
 [loaded] com.nvidia.CUDA (1.1.0) Support
 [loaded] com.sophos.kext.sav (9.0.61 - SDK 10.7) Support
 [loaded] com.sophos.nke.swi (9.0.53 - SDK 10.8) Support
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 CUDA: Path: /System/Library/StartupItems/CUDA
 FanControlDaemon: Path: /Library/StartupItems/FanControlDaemon
Launch Daemons: ?
 [loaded] com.adobe.fpsaud.plist Support
 [running] com.arcsoft.eservutil.plist Support
 [running] com.bjango.istatmenusdaemon.plist Support
 [loaded] com.oracle.java.Helper-Tool.plist Support
 [running] com.sophos.autoupdate.plist Support
 [running] com.sophos.configuration.plist Support
 [running] com.sophos.intercheck.plist Support
 [running] com.sophos.notification.plist Support
 [running] com.sophos.scan.plist Support
 [running] com.sophos.sxld.plist Support
 [running] com.sophos.webd.plist Support
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 [running] com.bjango.istatmenusagent.plist Support
 [loaded] com.nvidia.CUDASoftwareUpdate.plist Support
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 FlashPlayer-10.6: Version: 14.0.0.176 - SDK 10.6 Support
 Flash Player: Version: 14.0.0.176 - SDK 10.6 Support
 QuickTime Plugin: Version: 7.7.3
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 BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
 AirPlay: Version: 2.0 - SDK 10.9
 AppleAVBAudio: Version: 203.2 - SDK 10.9
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 Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
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 CUDA Preferences Support
 Fan Control Support
 Flash Player Support
 Java Support
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Top Processes by CPU: ?
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 0% firefox
 0% SystemUIServer
 0% SophosWebIntelligence
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 156 MB SophosScanD
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I'd start by getting rid of the following software responsible for these extensions.
Kernel Extensions: ?
 [loaded] com.nvidia.CUDA (1.1.0) Support
 [loaded] com.sophos.kext.sav (9.0.61 - SDK 10.7) Support
 [loaded] com.sophos.nke.swi (9.0.53 - SDK 10.8) Support
Startup Items: ?
 CUDA: Path: /System/Library/StartupItems/CUDA
 FanControlDaemon: Path: /Library/StartupItems/FanControlDaemon
Use the uninstaller provided with the Sophos software. You can uninstall CUDA via the preference pane. Be sure you remove the com.nvidia.CUDA extension which is located in the /System/Library/Extensions/ folder. Not sure if Fan Control has an uninstaller so you will have to do it manually:
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 2. AppDelete
 3. Automaton
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When I am abroad (living in Norway) the phone only temporarily connects to a network. Most of the time is says "no service" in top left corner...I have tried to turn it on/off...with and without sim installed...roaming makes no diff. Can anyone help me?

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Hi..
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Thanks and Regards,
Rishika

Hi rishika,
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Thanks,
FHF

Hi,
Are you running the report for all the selections(all the data )?
execute the report with data selection and check?
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Regards
KP

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Hi All,
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Hi Kavita,
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