My laptop is currently stalling and freezing temporarily, mainly because it seems like the CPU is running at 100% or thereabouts when actually nothing is going on.
I've seen this happen before when a rogue application starts using up all of the CPU. However, what Task Manager says is responsible for the usage is simple applications like Explorer, my antivirus (McAfee), or Task Manager itself.
After turning the computer off for a long while, it seems to operate fine, but then it just happens again after being active for a while.
I've tried searching for adware and spyware, as well as running antivirus searches over and over again.
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I played around with W8 on an Asus notebook with a 1GHz CPU and found that each programme will open over the top of another.You could have many trying to run and causing the CPU to overload and freeze.
Waiting for the activity to slow from startup by observing the LED activity of the hard drive usually means all startup programmes have loaded and there is less draw on the CPU resources.Trying to access other software while startup is incomplete will compound sluggishness especially if the laptop is a netbook or has a low speed CPU.
If you experience the issue again please wait a few minutes before trying to access or cancel any programme to see if will work through any bottleneck created.
The only reason your cursor would "freeze" is your CPU is running at 100%. Press "control-alt-delete" keys at the same time and find the process that overloading the CPU and close it. If you cursor never moves, your glidepad is broken. Do you have a "stick" to move your cursor? Many Thinkpads do. Usually have a red cap on it and is located near the b g h keys. If the stick doesn't work either, it's the overloaded CPU problem.
It would be great to know how much memory does the laptop has. Usually browsers do take a lot of memory, so if you have limited amount of memory, of course your laptop will slow down and freeze.
I suppose you are running windows.
But you can also monitor and check if the cpu use 100% of it and will also let you know what is causing the cpu to use 100%.
Just search Why is my laptop using 100% cpu
OverheatingWhen the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail. A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust. Check the CPU fan to see if it spins freely, if not replace the fan. If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a small brush and can of compressed airto do this.
When the computer freezes, you can remove the battery physically instead of having to wait the few hours for it to run down. Underneath the laptop are two tabs holding the battery in, just release them and pull it out.
Are you using the machine on a soft surface (bed, couch?) that would allow it to overheat and malfunction when it freezes? Are you overloading the CPU with too many overbearing programs? Perhaps you've got a virus?
You'll need to be more specific about what you are doing when the freezing occurs. This could be anything ranging from software to hardware faults.
you need do some thing follow:
1) clean the cpu fan and sink(around there dirdy)
2) check the cpu fan is running and stop ok when power on if running go next
3) check the cpu fan, is there any running and stop then see it run again before the laptop freezen?
4) if the fan not running again before freezen that your fan control circuit out of work on the motherboard need to repair
5) if the fan running control ok that the fan can run and stop and run again. you have to add a EXT cooling base under the laptop
hope to help you solve it
Check the system status go to the Task Manager and check which are the services running check for CPU speed if it reached 100% then you need to kill some services which is not running , sometimes it happes due to a virus attach , run antivirus and check for space and clear temp files and at last defrag the drive.