G505s random cpu throttling!

This is really frustrating, my cpu can't decide what frequency it should be at when I'm running fullscreen applications. It keeps jumping between 900, 1400, and 2500 mhz. No this isn't the charging issue and my bios is 2.05. The other issue I have is that I can't use turbo mode because when the cpu hits 75c, it downclocks to 2000mhz. I'm better off running at 2500mhz, but I can't even do that! This isn't an issue in windowed mode though so it must be some wonky software issue. I'm using windows 8, not 8.1, I've deleted most of the shovel ware and I haven't instaled anything I think would cause this. It didn't always do this. This problem started on day two. I know the laptop's fine, I really like it, but I just can't stand this crap. Anyway, please help me out of you know anything about this issue. Even if you don't know, just tell me how your g505s runs and how hot it gets so I can know if there's something actually wrong with mine.
Okay I guess it's happening in windows too. It's different for every game. It'll stay at 2.5ghz just fine in a stress test, but a game that hardly uses 50% of the cpu? It just freaks out.
I think there is also a heat issue here. Even after downclocking to 2000mhz, the cpu still hits 74c in bf4, which by the way is being bottlenecked very hard by the slow cpu. Minimum settings 20-30fps. This is very frustrating. I'm about to give up for a bit and blow off some steam playing bf4 on my desktop, high settings 1080p at 60 fps.

Hi Ryan82994,
Welcome to the forums,
Well you should not worry about the throttling btw just to make things clear what CPU do you have under your G505s hood ?
and yea you should not worry about the throttling, I got an i5 which powers my G770 and it keeps jumping from 798-2.30Ghz
I believe in full screen applications your CPU frequency increases depending on the system load you can google up intel speed step technology below is an example of my G770's CPu frequencies
hope this helps
regards
Lets make 2015 the year of the #DO
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My solution (or so I thought) to Power Manager/CPU throttling problems!!!

I have found a solution to all my Power Manager/CPU throttling problems!!! Though there is some good and bad news.
{EDIT: The problem has NOT been fixed, even after latest PowerManager (3.62) and BIOS (1.30) versions. Pretty much ignore anything I say below as the problem is still occurring. You can see my full post here: http://forum.lenovo.com/t5/W-Series-ThinkPad-Laptops/W520-Speedstep-not-working-properly-on-battery-...}
Good news: I have NONE of the throttling issues or inconsistent CPU frequency problems I was having before on AC or battery power. Everything, including TurboBoost on battery works! It is completely fixed! (I have no idea how this factors into Lenovo’s statements that TurboBoost is disabled on battery “by design”. There is at least one other post from someone else that also reported TurboBoost was working for them on battery)
Bad news: I don’t really know which one of the many things I tried actually worked. I am sorry I wasn’t more methodical about recording what I did and checking results, but this was my last ditch effort to get this fixed on my own without sending the system in for repair and frankly, I didn’t think it would work. Now that it has worked, I’m hoping my steps can help others.
For anyone interested, here’s what I did… and before anyone says something like “That has nothing to do with managing power/cpu, why would that help?!… etc., please keep in mind I’m just stating exactly what I did. I am aware some of the steps may not be relevant, but who knows… We all know how weird PC’s are sometimes, even the smallest, oddest thing may resolve a problem.So anyway, here goes.
**IMPORTANT** Not sure how many noticed, but there was a new version of Power Manager released a few weeks ago, 3.62. The PM driver seems to have stayed the same. That alone could very well be the sole fix, I’m not sure. You may just want to completely remove PM and PM driver and install the latest version before trying any of the steps below.
1)Made a complete system image via Windows built-in backup feature
2)Disable any 3rd party fan/CPU control utilities (Throttlestop, etc). Make sure they are also not going to run at startup or from a scheduled task
3)Remove Power Manager Driver, then remove Power Manager software
4)Reboot to Windows
5)Remove all traces of the Power Manager drivers/software directories (think it was something like C:\readyapps and C:\drivers.) **For some odd reason after I did this, my wireless stopped working but it resolved itself by the time I was done with these steps, strange
6)Reboot
7)Access BIOS and reset all settings to default
8)Boot into Windows, downgrade to BIOS 1.25 [UEFI: 1.25 - 8BET44WW / ECP: 1.14 8AHT32WW ] via the Windows flash utility. I wanted to downgrade all the way back to 1.06, but the software would throw up some error for any version prior to 1.25 and wouldn’t proceed
9)Reboot to Windows; make sure system booted w/ out issues
10)Reboot again, access BIOS, reset to defaults again
11)Shut down system
12)Disconnect AC power. Remove main battery. Access and disconnect system backup (a.k.a CMOS) battery under keyboard. Discharge residual power in the system (there are various ways to do this, but you could just leave the battery disconnected for a few minutes). Visually inspect the system for anything funky…my system had a slightly but noticeably loose CPU/GPU heat sink/fan assembly power connector.
13)Reconnect backup battery.
14)Reconnect AC power but leave main battery disconnected.
15)Power on. Should get a message indicating “checksum error, system time reset” or something like that.
16)Reboot to Windows. Verified still okay.
17)Downloaded latest BIOS version, 1.26. This time I burned the bootable BIOS flash CD instead of running it through Windows.
18)Restart and boot from disc, flash BIOS to 1.26. Once complete, restart. Verify BIOS set to defaults.
19)Boot back into Windows.
20)Install latest Power Manager driver (1.62 ), reboot if/as prompted. Install Power Manager (3.62), reboot as prompted.
21)Boot into Windows, verified Power Manager was active and working. Verified TurboBoost was working. Restarted system a few times and played around with Power Manager for a bit to see if the different power plans worked and retained the settings, all the while monitoring the Intel TurboBoost utility and PM’s own “power gauges”. Let system Sleep, changed power sources, resumed, etc. Everything was working great.
22)Shutdown, reconnect main battery. Booted into Windows. Again, fiddled with Power Manager for a bit, switching between power plans and AC/battery power. Still worked great.
23)Success!
That’s it. Again, this is not a guaranteed fix guide. These are just simply the steps that I took on my system that resolved the problems many of us are having. Hopefully it will work for others.
T520 4239-CTO | i5 2410M
W520 4270-CTO | 2720QM | 16GB RAM | Quadro 1000M | BIOS 1.30 | PwrMgr 3.62

All I basically did was download and install...
(Chipset driver) http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/oss924ww.exe
(PM driver) http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/83ku14ww.exe
Now, I did chipset first (didnt ask to reboot) then installed the PM driver (did ask to reboot)
I rebooted.... then I went into bios (1.26) and set everything to default... then restarted saving changes...
Since I prefer not using optimus I changed the display settings in bios right after saving the default settings...
Not sure whether or not you really had to go into bios... but everything seems to be working...
My settings in PM is set to Maximum Power in the Advanced tab, 3rd party monitoring tools is TPFanControl and HWInfo64....
W520 (4270 CTO) | i7-2820QM | 16GB RAM 1333 MHz | Runcore MSATA SSD | 2x Kingston SATA2 SSD | Quadro 2000M | FHD | Windows 7

X220: Uncontrollable CPU Throttling (e.g. Civ 5)

Folks, I'm having a bit of a major issue I can't solve with my x220 (i7/6gb/160gb ssd).
It is connected to the AC, with the battery also plugged in at the same time. 99% charge.
When I play Civ 5 for any length of time, the CPU throttles down to 800mhz (8x multiplier) - which really hits performance drastically as you can imagine. CPU temp never gets above mid-70s using HWinfo32 during playing. Power Manager is configured to maximum performance.
Even when I reset the computer, the CPU doesn't throttle back up to normal speed - I have to actually shut-down and restart from cold for CPU to rethrttle back up.
I'm running bios 1.11. I really don't want to have to disable CPU power mgmt in the bios. This is kind of a deal breaker problem - no??
Any tips or guidance greatly appreciated - thanks.
Petrov.
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CPU Throttling Qosmio F60

I have a Qosmio F60. Model number : PQF65L-00W011
Specs : Intel Core i3 m330 2.13GHz
Nvidia GT 330M 1GB DDR3
4GB DDR3 1066 MHz RAM
So, I'm trying to play some games, like Battlefield 3, Killing Floor and Grid Autosport.
On Battlefield 3 I got around 40, sometimes 30 FPS when everything is set to low. On Killing Floor I got like 50-60 FPS. And the last one, which is Grid Autosport I got around 40-50 FPS.
All of this games, after playing like 10-20 minutes, drops to single digits FPS like 1-7 FPS.
I believe this is caused by CPU throttling. Are there anyway to fix this? I'm sorry if you don't understand me as I'm not English.

That doesn't appear to be a US model, and this is the forums for Toshiba USA. You may want to contact Toshiba in your region.
- Peter

Random cpu spikes in 10.6.3 ??

i have a Mainstage session which runs smoothly and comfortably on my 15" Penryn 2.66GHz 10.5.8 Macbook Pro.
It also runs smoothly and comfortably on a unibody 10.5.8 13" 2.2GHz Macbook Pro.
But my brand new 15" 2.66GHz 10.6.3 Macbook Pro shows random CPU spikes when i run Mainstage.. and my session experiences audio and midi glitching.
Logic Studio is the only software installed on this new machine, aside from the bundled OS stuff.
the sessions were created in Mainstage 2.1
the new machine runs Mainstage 2.1.1
anyone else experiencing anything like this?

Just putting in my voice... I am also getting the same CPU spikes. You are not alone.
I suspect any number of things are causing the spikes, even when everything is idle, from Mainstage itself, the TASCAM US-144 audio interface, Korg nano-series devices, 3rd party plugs (major companies or not).
I just started using Mainstage this week, but I've been using Logic for years.
I know how to set up an efficient channel strip. There is no reason for my CPU to spike. If I use the same series of instruments, fx plugs, sends, aux channels, etc in Logic 9, the CPU barely takes a hit. THe REAL drag here is that the purpose of using Mainstage instead of Logic is the Loopback feature, which is missing in Logic on its own.
At this point, besides Mainstage being the main culprit, I've narrowed it down to two other culprits: NI Guitar Rig 4, and (this one is odd) Audio Damage EOS. When I instantiate either one of these, the CPU dances or finally goes over the edge and "POP" is heard. Have to quit Mainstage to get sound again.
Buffer overload? Bad memory management/leaks?
I really don't care WHAT the issue is, just as long as I know WHEN Apple will address the problem and issue a fix soon.
~r

E540 CPU Throttling

Hi folks,
Quick one, wonder if anyone has issues with CPU throttling on their ThinkPad. Mine is an e540.
Seems to be throttling the CPU heavily.
Am running BIOS 2.18 and "maximum performance" power plan.
Still when running CPU intensive apps there's no more than ~15% of CPU speed assigned to it, while in the meantime the application hangs!
Any thoughts?
Hope so.
Cheers,
N*

Called Apple support! Hmm They want to sell me AppleCare phone support!!!
I've got no problem with my system, your OS X just does not work while MS Windows does!!!
Don't accused me of being MS Windows fan, I actually don't like Windows at all! I just paid for 2.6GHz and I want 2.6GHz! On MacBook/MacBook Pro: OS X throttles between 800MHz - 2.6GHz freq. However, with Windows I can set this using powercfg command.
It seems:
On OS X: OS X is in control
On Windows: I'm in control

Z68A-GD65-G E7681IMS.N00 bios does not suffer from cpu throttling

Hello
I have been trying to overclock my 2500k with no good results despite having one of the best aftermarket
coolers for my CPU (Noctua NH-D14). The problem was that even with the CPU working within acceptable
temperatures, I was suffering from cpu throttling.
-Ill try to describe the cpu throttling I experienced with N10,N20 and N31 beta bios: I was trying to achieve
4.8Ghz by maintaining the stock FSB and setting the multiplier to x48. I got to boot into windows, but no
matter what I used in C1E, Speedstep, Turbo boost, C-State, C-State Limit, Short or long term wattage or core limit,
the multiplier lowered from 48x to 41x under a prime95 or linx stress test, thus leaving the system a real CPU speed
of 4.1GHz just in the moment that high CPU clock is needed!!!!!!!!.
-I have assembled cheaper Z68 mainboards form other vendors having no problems in overclocking 2500k to 4.4Ghz with much worse
CPU coolers than mine, so I decided to investigate this issue a bit.....
I realized that original N00 bios does not suffer from CPU throttling, getting easily to 4.8Ghz with 1.4v CPU, maintaining the multiplier
ad 48X for the whole AVX linx stress tests, these are the results:
-N00 bios..............................48X stable multiplier......................4.8Ghz. ................linx 119.1360 GFlops
-N10,N20 or N31b bios...........41X-48X variable multiplier.............4.1-4.8Ghz............linx 104.4250 GFlops
hope this info is useful for anyone(specially bios developers), and I havent bored you......

Actually, I don't need to apply any kind of load to see the throttling in any of the latest bios, I just boot into windows and open CPUZ.
With the multi set at 48 in the bios, it jumps from about 44-48. A different (lower) multi produces the same fluctuation of the multi.
Using an older bios with the G43 board completely eliminated the issue, it stays at a constant 48, or whatever other multi I choose to set in the bios.
For my Z68-GD65, the oldest bios listed on the MSI download page, which is listed as v.23.0 (7681vN0) dated 07-06-2011, is the only bios that I can use to keep a steady multiplier, and thus clock speed.
But, as I mentioned, I have EIST, Speedstep, etc. all disabled, so I will always have one clock speed, whether at idle or load.
Thus it shows immediately when just at the desktop.
I want to emphasize that I'm not trying to make a big deal about this, just having a friendly discussion about it.
I have a good workaround for now, and as I mentioned, I'm very pleased with these MSI boards. I gave the G43 to a good friend, so I can just enjoy the Z68-GD65 now.
@Bernhard: That's an interesting theory that with EIST and C-States disabled, the Primary Plane power limit and long and short duration power settings don't apply correctly, etc.
I have no clue what it means, but it all sounds very good :-D
Only thing is, why does it not happen at all with an older bios in two different boards?
Perhaps you could simply try temporarily disabling all EIST, C1E, and C-State just to see if the multi fluctuates for you when you check with CPUZ?
By the way, I'm enjoying your posts on these boards, particularly the Z68 GD65 now. You're providing a lot of very helpful information, which certainly helps me to learn to work with this excellent motherboard.
For 4.8GHz (4809MHz in CPUZ with the 100.2 bus speed) I have the vcore at 1.420v., PLL is at 1.65v.
Quite stable there, I'm not anal with P95, but an hour or two of Prime Blend with no errors is good enough for me.
@leftyman: 1.355v. for 4.8GHz?
You've got a really good cpu there!

Lenovo G505s - Windows 10 throttling my CPU

I just recently upgraded to Windows 10, and am now having some serious throttling issues. If I play any form of game, my CPU clock speed will fall to only 900Mhz, rendering anything unplayable. I've checked the temperatures and it only ever gets as high as 65-70c before throttling itself. This used to happen on Windows 8.1, but only when it gets to above 90c, and it goes down to 2Ghz, which was fine. I have updated the GPU driver from the Lenovo website, and the BIOS seems to still be version 3. Does anyone have any idea what the problem is?

I just recently upgraded to Windows 10, and am now having some serious throttling issues. If I play any form of game, my CPU clock speed will fall to only 900Mhz, rendering anything unplayable. I've checked the temperatures and it only ever gets as high as 65-70c before throttling itself. This used to happen on Windows 8.1, but only when it gets to above 90c, and it goes down to 2Ghz, which was fine. I have updated the GPU driver from the Lenovo website, and the BIOS seems to still be version 3. Does anyone have any idea what the problem is?

CPU Throttling New GT70 2PC GTX 870

Hello friends. I noticed something odd on my new laptop. I have encountered a few of the issues that others have mentioned with regards to wireless and believe I have mostly resolved that but have since started to notice performance issues that corresponds with events in the windows logs stating that the CPU is getting throttled. This occurs both during non intensive use at sometimes random times other times while it is in heavy use.
I assume its due to overheating which would be rather unfortunate since this is a brand new machine.
According to MSI Live update the bios version is E1763IMS.50T
The mainboard is MS-1763
I have not updated anything but the drivers.
I am considering updating the EC and BIOS but wanted to confirm there actually are updated versions prior to heading down that path. I am not sure if there may be voltage or other performance updates etc that would help in a newer version of the bios. The naming convention is a bit confusing and when I use the MSI Live update tool is claims there is not a new version of bios available.
Thanks for any suggestions.

After some testing I have noticed a pattern that directly coincides with the events logged in event viewer that aligns with what seems to be throttling of the CPU and GPU as reported using coretemp and GPUZ.
I have saved one such incident in a PDF which I can post. I tried looking for ways to insert an attachment to the forums and was not able to.
The event log error is "The speed of processor 0 in group 0 is being limited by system firmware. The processor has been in this reduced state for 28 seconds since the last report."
I have correlated the time of these events with the temps for processor core 2 hitting 71 and reducing core speed (below 2300) and power for all cores (19). I have also been able to correlate with the GPU reducing clock speed from 966 to 270,and gpu memory from 1248 to 162 with temps at around 70.
So it seems that while the temps are really not that bad there is still some kind of throttling taking place within the BIOS that is causing lags while running applications. This pattern above is recurring 2-3 minutes apart.
If I can figure out how to post a file I can post the PDF I created.
Thanks for any additional feedback.

W520 "random" CPU slowdown to 0,8 ghz on AC mode

I'm working with a w520 (i7 2760QM, 16GB Ram, Samsung SSD 830, Win7 64 bit, bios 1.42).
Producing music, I am working a lot with ableton live (live 9, 64bit), I'm in need of quite a lot of cpu.
So, I have two problems with my w520.
1. On battery it slows down to 0,8 ghz (which seems to be a known problem, but I can not figure out how to resolve this isse)
2. Lately, even on AC mode, it somehow randomly slows down from a max of 3,1 ghz to 0,8 ghz as well. I cannot work anymore when this happens, everything is way too slow. It happens every 4-5 minutes, when I'm using ableton live 9. I already checked, it doesnt slow down, when the cpu gets hot, it also slows down with lower cpu temperature.
this is absolutely not working for me. I'd need a tool where you could tell the cpu at certain times, to stick with the maximum performance all the time. I'd also like to increase the speed when on battery. I noticed, there are some threads discussing this issue, but there seems to be a different solution for a lot of people.
w520, i7 2760QM, 16GB Ram, Samsung SSD 830, Win7 64 bit, bios 1.42

Your screen shot shows that ThrottleStop is in Monitoring Mode only so it is not trying to do anything to help with your throttling problem.
To use ThrottleStop, adjust the Set Multiplier value to 35T for your CPU, put a check mark in the Set Multiplier box and then click on the Turn On button at the lower right. See if this makes any difference.
To post just an image of ThrottleStop, highlight ThrottleStop, hold down the ALT key on your keyboard and then while ALT is down, push the Print Screen button usually at the top right area of your keyboard. This puts an image of just the program that is highlighted into your clipboard so you can open up Paint, etc. and Paste that image and then save it.
Posting small images or links to images keeps the mods happy.

Lenovo G505s Randomly Shutting Down

Hello! I've owned my G505s since August 2014 and it has served faithfully as my school laptop. I do not have any money for a new laptop and I've looked at endless posts and articles, so I'm at my wit's end here.
It all started last night, when my hard drive just failed to boot. It told me there was no OS installed, despite Windows 8.1 being installed. I rebooted a couple times and the same message popped up and I checked the BIOS settings. They were all correct. I assumed that my HDD became corrupted or something occurred, so I found a Windows 8 ISO from Microsoft's website and started installing tonight, since I knew the BIOS stored the key and would auto-input.
That part was successful. The part that's killing me here, though, is the constant shutdowns now. It started ever since I had to reinstall. At first I just put Windows 10 Tech Preview on it to quickly get some work done since I had the install USB with me, but it shut down randomly there too. Now, during the install of the Windows 8.1 OS, it shuts down at random times and corrupts the installation, forcing me to start over and observe the same shutdown issue all over again.
I do not have money to ship it and I'm losing my mind here. I thought Lenovo was good, but I'm seeing others with the same exact problem, and I'm several months away from having enough money for even a cheapo laptop. Can anyone help?
Keep in mind that I can't even get past a Windows 8 install and booting a Live USB of Linux is a no-go because it won't even boot, even if the Legacy option is enabled in the BIOS (seriously? no linux support?)
My BIOS is updated (3.0). Thanks for any help

hi Chripallo,
Welcome to the Forums.
It could just be a coincidence but It's possible that there's a hardware part that's failing inside the machine (e.g., Memory, Overheating GPU) which causes the shutdown issues.
Things that you can try:
1. Re-seat the RAM and HDD and try reinstalling Windows.
2. If you have two RAM sticks (e.g., 2x4GB), remove one stick and observe if you can now install Windows.
3. (Optional) Check this article on how to create a bootable USB diagnostics to test the RAM/HDD.
- Sample image
Note:
You will need to set the following options in the BIOS to boot from a USB
Security Tab:
Secure Boot = Disabled
Exit Tab:
OS Optimized Defaults = Other OS.
Boot Tab:
UEFI = Disabled
Boot Mode = Legacy
If the problem remains and you're still not able to install Windows after doing the above steps then I recommend you contact lenovo for warranty service.
Support phone list
Regards
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G505s random crashes, video card issue?

HI there,
For the past 4-5 months since I bought this laptop about 9 months ago it seems the freeze whenever I am ether using a web browser or watching a video. The screen will become unresponsive and there will be some crackling audio before it ether restarts itself or I have to hold the power button until it kills it ( I cringe every time haha). Anyways I think it may have something to do with the videocard. I can play most games for many hours without a problem or crash. I don't think I have ever had a game crash, it has always been during youtube videos or just browsing. Spotify also has caused a crash once, may be due to hardware acceleration? Sometimes after a crash or just randomly the computer will not shut down, simply stay on with a black screen after I click shutdown.
Thing I have tried
Turned off hardware acceleration
Updated video drivers
Reverted to old video drivers
underclocked the cpu
underclocked the gpu
checked solution center (everything passes)
switched browsers
updated bios to 3.0
All to no avail, I still get crashes about once a week.
Things I am trying now, but don't know if they will work
Turned off bluetooth
Turned off secure boot
I understand the chances of me finding a solution, or even getting a response are slim. But I figured I would try before I cash in my warranty.
So, any ideas?

What os you have?
Check hard disc status with crystal disc info and error scan hddtune.
Try ubuntu 14.04.1 after booting live cd/dvd do memory test.Check if problems repeating in linux distro.

[SOLVED] Short and random CPU spikes only in X

I built myself a new system over the weekend, and everything has been going swimmingly aside from one unsolved issue I've been experiencing within X. At seemingly random intervals, CPU usage spikes on a single core to anywhere between 20-50% and redraw on apps becomes choppy (e.g. during scrolling via either mouse or keyboard). Even while SSH'd in, the spikes are noticeable until I kill X (I'm not forwarding X, just hooking into my tmux session). During this time, it's only X which is consuming CPU. Relevant hardware specs:
- Asus P6X58D-E motherboard (bios is up to date)
- Intel core i7 980x
- 12gb g.skill ddr3 1600mhz RAM (default XMP profile)
- eVGA nvidia 450 GTS graphics card
So far, I've tried:
- switching kernels. Both downgrading to 2.6.36 as well as building a custom 2.6.37 kernel. no effect.
- switching video drivers. nouveau still shows this issue
- switching video cards. my old BFG nvidia 8600 GTS which (still) works great on my old rig shows the same issue.
- downgrading to extra/xorg-server
- disabling speedstep/turbo boost. nada.
Google returns nothing specific to any of my hardware aside from a few notes about X58 chipset support being a little young (and an equal number of reports saying X58 boards are running fine). The system is 100% stable and absurdly happy outside of X. I'm running out of ideas on where to look. Anyone know where I should be poking around next?
Last edited by falconindy (2011-01-18 04:39:00)

This story has a happy ending.
Here's a list of things that didn't work:
- Enabling ACPI 2.0 in the BIOS
- Moving my graphics card to another PCI-E slot
- Rebuilding many kernels
- Reformatting my root as ext4
- Replacing ALSA with OSS
- Loading the latest microcode from intel (though there are reports of "unexpected behavior" on the 980x without it)
- Staring at strace output of X
- Building more kernels
- dancing naked around a ceremonial fire, drinking chicken blood and speaking in tongues
- Set the IO scheduler to NOOP on the SSD
This is what did work:
https://wiki.archlinux.org/index.php/Nv … ries_cards
Last edited by falconindy (2011-01-20 02:30:33)

Random CPU spikes while playing a music video

I'm using Quicktime 7.6.4 on XP Home SP3 to play music videos I got from ITunes. I'm using an AGP Nvidia 7600 GS with 256 MB of memory so it finally draws fine without half-frame refreshes but now I have a new problem. I only have an athlon 64 3200+ in my socket 754 board. It's the third fastest one they make for this motherboard but still, not exactly the quickest in the world. Playing a video in Quicktime only takes like 45% of the processor though so I thought it was fine for smooth playback. But randomly while playing any of these music videos, the CPU spikes to 100%, 95% of it being Quicktime's process, only 3% hardware interrupts so I know it's not a driver issue, and the whole computer locks up for about 3 seconds. Video suspends playback followed by the audio. Then right after that, playback resumes like normal. It can do it in the middle or end of the video or pretty much whenever or even not at all sometimes.
I've updated the BIOS, all related drivers, XP itself, and there's about 55% ram free whenn it does this so needless to say, it seems to be Quicktime's problem, not my computer. Even the voltages are good and also it doesn't lock up any other time using any other software, even VLC in dual monitor mode with direct X as the renderer.
So does anyone know what causes the sudden CPU spike? Is it running out of video memory so it has to ask the CPU to address more all at once or something? Or is it just calculating something that requires tons of resources and my computer isn't fast enough.
The only other unusual circumstances are that I have it configured to play on monitor #2 (which is actually a projector) while fullscreened and then as soon as it's done playing, it snaps back to the original monitor the quicktime window was opened on. It's really smooth and professional looking seeing as how my desktop background is black. I just hit control F, it plays with the video control overlay disabled, and then when it's done it goes back to black and they never see the quicktime window itself. So that's my current configuration in case there's some sort of known dual monitor issue. Either way, I need this thing playing videos smoothly ASAP! So does anyone know how to fix it?

I have the EXACT same problem and I have yet to find any
resources on this subject. It's as if flash videos and games just
decide that they will rebel against my computer every 30 seconds.
I've also closed down all other programmes, and with a dual core
1.6 ghz processor in addition to 2 gb of ram, this
should not be a problem, but surprise surprise it is.
Someone here at adobe has to have a clue as to what is going
on.

[SOLVED] cpu throttling

CPU0: Temperature above threshold, cpu clock throttled (total events = 742416)
CPU1: Temperature above threshold, cpu clock throttled (total events = 742416)
It's on an old P4 3.2 GHz. I don't care if the machine blows up, to be honest with you. And this over and over again quickly makes my everything.log and messages.log very huge. Gigabytes. Any way to suppress this error/warning/message? Also, any way to turn off the clock throttling?
Thanks.
Arch is the shit, btw.
Last edited by umpalumpa1985 (2009-10-24 23:42:26)

Hey, okay i had this issue too but it was nothing to do with the cpu i don't think. I had it for ages but nothing happened until my machine went crazy and started locking up and a bunch of other issues. I took my computer apart cleaned the fan intake for the cpu and noticed that my graphics card was baking.
I never turned on the power scaling options for my nvidia graphics card after using the official drivers it was baking everything in my case for ages. Turned them on and I haven't had any messages since and everything works waaaaay better because i turned on some other optimisation stuff for the card as well. If you have a big graphics card, check the options make sure power scaling for heat is on should be fine.

G505s random cpu throttling!

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