There are some kernel parameters you can try on booting but first confirm you have intel-microcode installed and the last 4.15 kernel (Update manager>View >Linux kernel.)Īny way, I must be wrong because my I7-4700MQ is Haswell not Sandy bridge. enable Intel SpeedStep.), Intel controller or graphic you are using (integrated Intel/discrete nvidia?).Ĭheck dmesg and look for error, warning or fails (i.e dmeg |grep fail). I think it is related with kernel, BIOS/UEFI settings (if you have installed in UEFI mode>Boot mode UEFI, not CSM or Legacy BIOS compatible /support,disable fast boot, secure boot. I don't think it is a DE (Mate), distro (Mint) or edition (LM 19) problem. I fear that MATE is causing the issue but I really have no idea. I was running Mint 17 until now and AFAIK the cpu was fine. The governor is fine (using powersave, I can't try ondemand because cpu > Sandy Bridge). The governor "powersave" may decide which speed to use For example this is one of the cores (they all look the same):ĬPUs which run at the same hardware frequency: 1ĬPUs which need to have their frequency coordinated by software: 1Īvailable cpufreq governors: performance, powersaveĬurrent policy: frequency should be within 800 MHz and 3.40 GHz. I checked cpufreq and it seems to be doing fine. That could be normal under heavy load but it doesn't scale down anymore until I reboot the pc, even when all cpus are idling. My i7-4700MQ will boot just fine but after some minutes (random as far as I can see) the CPU freq will be at the max value. I'm having an issue with Mint 19 (MATE), recently installed.
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