My computer has been slow for quite a while now even while performing basic tasks such as web browsing (to the point where simply typing into a search bar can take several seconds before the computer shows me that I've typed anything) and I've finally gotten around to trying to search for a solution. I noticed that the speed listed on the performance tab of task manager is significantly lower than the base speed listed there (0.78GHz vs 2.59GHz) See here I suspect that this may be largely what is causing my problems.
I have tried the following things to bring this speed closer to my base speed:
- Moving the power management slider to "Best performance" See here
- Increased the minimum processor state when plugged in to 100% See here
- Turned off Speedstep in my Bios (which is described in the BIOS as forcing my CPU into its maximum performance mode
- Turned off C-states in my BIOS which is described in the BIOS as allowing the processor to be put in other performance modes
Notably I have been trying the fixes recommended in this thread: Maximum Processor Speed Lower Than It Should Be
Any advice on steps I can take short of reinstalling Windows is greatly appreciated!
System details: Dell Latitude E7450 Intel Core i5-4310U CPU @ 2.00GHz 2.59GHz 8.00GB RAM 64-bit OS and processor
21 Answer
Intel CPUs hace thermal management built in, which means if they get to hot they slow down to protect themselves. Check that the heatsink is clean and the fan is spinning freely.
Before.contemplating reinstalling Windows you may want to try booting a Linux based pendriv, putting the system under load (eg running a pi calculator) and using cat /proc/cpuinfo to see the frequency of the CPU cores to work out if its hardware or software.
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