Dell latitude 5580 lagging issue?

Question

Now I'm aware this laptop isn't good for gaming, but since I mostly play valorant, roblox and minecraft it should be able to handle it since valorant is a medium-lightweight game (not in storage terms), but I seem to always run into an issue, after a bit of playing any game that uses both D-GPU and i-GPU, I'd say 10-15 minutes, it will suddenly lag spike? the FPS drops to around 10-2 FPS and it's really annoying, my temps are fine so I'm not sure if its a GPU issue or heating issue, any help?

note: this laptop has been used before at a university for 3 years, so I'm aware it isn't as new as it would be.

ashtonsdreams · Accepted Answer

(SPOILER; It was a CPU power throttle issue folks.)
UPDATE: It's currently December 18, 2025 and I haven't updated this in a while so here we go. I was able to fix this issue by increasing the CPU Lowest Throttle Value or the CPU Energy Throttle from 5% to 10%.

5%= 0.90 Ghz. And below, CPU Power throttles and causes a lag issue with the GPU's, CPU Freaks out
6-20%= 1.00 Ghz. And above, CPU Power throttles but maintains performance, CPU Relatively cool and calm.

You can find this in the Advanced Power Plan Options in the Power Plan settings. It's a relatively easy fix, but an effective one.

ejn63 · Answer

It's probably throttling. Has the system ever had a thorough internal cleaning and replacement of the heatsink pads?  If not, start there.

HedgeFundManager · Answer

you machine us rather old with skylake logic so its likely the machine needs cleaning and a new battery etc my latest machine is 13th gen and it's a lot faster

ECharles · Answer

It also may have some startup programs running in the background, so you may want to check that. How much memory do you have?

ashtonsdreams · Answer

@ECharles​ My internal memory is 16GB. most of my startup programs are lightweight/dont affect me, this happened too when i had freshly installed windows when i first got the used laptop

ashtonsdreams · Answer

@ejn63​ Havent cleaned the heatsink pads but i did clean the vents and fans so it might have something to do with that, will check soon

HedgeFundManager · Answer

post here is the machine still is at issue

ashtonsdreams · Answer

@HedgeFundManager​ Still at issue, im considering checking the battery for any damage and cleaning the fans again but other than that, not much has changed.

HedgeFundManager · Answer

Replacement batteries are not all that expensive.

HedgeFundManager · Answer

Skylake/Kaby Lake uses DDR4 so its possible to install 32GB which would run Windows 11 great.

Installing a SSD will definitely perk up performance. Your machine should have a M.2 slot for a NVMe SSD which can definitely perk up performance.

ashtonsdreams · Answer

@HedgeFundManager​ Heya! When I got the machine it already had an M.2 NVME drive installed, and I upgraded its ram to 32 Gigs last december. I already solved this issue by increasing the lowest amount that the CPU can throttle to.

HedgeFundManager · Answer

CPU throttling can be due to aged thermal material. I use Arctic MX-6 which in thin amounts works great.

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Dell latitude 5580 lagging issue?

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