Slow and laggy laptop

Hey guys,

After looking all over the internet for answers with no luck what so ever, I've been forced to write in a forum like this - I really hope that you can help me.

NB: This might be the wrong topic to post this thread in, please let me know where I should direct my question, if that is the case

The past few weeks or so I've been having a lot of problems with my almost brand new laptop. It's an Dell XPS 13 (2015), with an Intel Quad-core I7-5500U CPU and 8 gigs of RAM. Lately it has been performing really laggy and slow. I have another laptop I use for work with a worse processor than my own, and it is performing a lot more snappy.

Just some examples: In chrome pages takes AGES to load, and when the page is loaded it feels laggy and unresponding at times. Small online games have massive frame drops and lags like crazy.

Now to why I post it in the CPU topic: When looking at the performance tab in task manager, the CPU seems to be locked at 0,77 GHz, even though it should be able to run at 2,4GHz. What can cause this? What can I do to boost it and make the computer responsive and actually usuable? Or does it have nothing to do with the CPU?

I've tried updating my BIOS, as I've recently upgraded to Windows 10, and I've tried to delete all unnecessary programs and files, but nothing seems to work.

I really hope you can help me with this, as I'm very frustrated that such an expensive purchase doesn't perfrom how it should.

Best regards,
Peter

Your processor is running at lower frequencies than advertised because it won't perform harder (working at higher frequencies) if it doesn't have to. All of the examples you gave are issues browsing which sounds to me like your internet connection is just slow. If you downloaded a difficult to run video game for example, I'm pretty positive you'll see your professor performing at the advertised frequency. For basic web browsing like you said, it's operating frequency will remain low. If your issues are all in your internet browser, try downloading Mozilla firefox or something. Firefox is my favorite web browser. Then, if you're wireless, try searching the web hard wired. If it is still slow then the Internet that you are connected to is just slow. Now, I am not ruling out the processor entirely. It could be the processor. But from what you've described I'm 95% leaning toward browser/Internet issues.

PeterKT said:

When looking at the performance tab in task manager, the CPU seems to be locked at 0,77 GHz

Click to expand...

Kind of sounds like it's not switching out of low power mode from when it's idle. The laggyness after page load could be the javascript choking.

That your other system seems to be fine, suggests it is not just an internet issue.

You could try disabling EIST and C States and see if it stops being laggy. Also check to see if it's overheating.

It didn't look like your CPU speed are locked. It is to save energy by reduced freq. Same happened to my i7 3770K. I have one trick. You could using CPUz to montior your speed. Once CPUz is installed and running, click on background then press F5. That is shortcut for refresh but it is good for stress test. Let us know how it doing.

Reinstall all chipset drivers and Intel Management software.