### Clue: Magnify computer key area and left upset (8)
### Answer: ESCALATE 
 ### Explanation: Definition: Magnify
  ESC( the Escape key on the left top corner of your computer keyboard) A($$a$$rea) **plus**(and) L($$l$$eft) ATE(worried,upset, as in "His financial problems ate at him")
Defn:  To increase in intensity or magnitude,swell,magnify