Windows 10: Windows 10 Laptop suddenly started to run slow

My laptop specsDell latitude e5440I5-4310uGpu:- nvidia gt 720mHdd Till yesterday, my laptop was fine running as normal, but when I opened it today, it was unresponsive, slow , took ages to open an application etc.I tried to look into the problem and found out that my CPU clock speed dropped from 2.83usual clock speed to 0.35I don’t have a battery in my laptop as it doesn’t work. And I get this message every time I start my laptop

:)

 

Why has my Laptop suddenly started running slow




















OK have done the above. Hardware seems fine, no?

PS I have set Performance Manager running. It said it is "Collecting data for 60 seconds..." however my computer is running SO slowly that after what is now 15 minutes (and counting) it has not spat out any results (!).

 

Why has my Laptop suddenly started running slow

Deleted my previous post data from two hours ago. There is a much easier method:

1. Download the Download - Auto-installer for USB Key (Win 9x/2k/xp/7) to your Desktop. Right click on it and select Extract all.




2. That will place Memtest86+ USB Installer.exe on your Desktop.

3. Insert a 512 MB or larger flash drive into your computer.

4. Run Memtest86+ USB Installer.exe by double clicking on it or right clicking and selecting Open.




Select your Flash drive from the drop down list.




Check We will format ... as FAT32 then click Create.




Flash drive will be created. Only takes a few seconds.




Click Finish.




That's it. Test the flash drive to make sure it boots okay and your're ready to run memtest86+ when ever you have time.

My flash drive has the following on it when done, 232KB:

 

Why has my Laptop suddenly started running slow

Nope.





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