Troubleshooting for the slow performance of a laptop, The solution to the slow performance of a laptop in the computer system :

Troubleshooting for slow performance of laptop

STEP-:1

click   Ctrl+alt+Del   button simultaneously.Appear Dialog Box

Now click Task Manager. Appear Dialog Box

End the Every Task.

STEP-:2

Restart the System.

If  System Restart Option does not appear then  press the power button hold within the time and  then start the System After 60 sec.

STEP-:3

Delete the temporary file.

i. Prefetch
press the window Key  +  R ↲

select all and delete everything.

ii. Temp
press the window Key  +  R ↲

select all and delete everything.

iii. %temp%
press the window Key  +  R ↲

select all and delete everything.

iv. Cleanmgr
 press the window Key  +  R ↲

click ok .