You may not be familiar with all the shortcuts

win7 hold the right Shift for eight seconds: enable and disable Filter Keys

Left Alt + Left Shift + PrtScn (or PrtScn): enable or disable high contrast
< BR> left Alt + left Shift + NUMLock: enable or disable the mouse button

press Shift five times: to enable or disable sticky keys

hold down NUMLock five seconds: enable or disable switch key

Windows logo key + U: open ease of access Center

2. General keyboard shortcuts

F1 display help

Ctrl + C to copy the selected item

Ctrl + X cut the selected item

Ctrl + V to paste the selected item

Ctrl + Z undo operation

Ctrl + Y execute a re

delete key to delete the selected operation item and moved to the "trash"

Shift + delete the selected item without first moving to the "Recycle Bin" directly delete

F2 renames selected items

Ctrl + Right Move the cursor to the beginning of the next

Ctrl + a word to the left to move the cursor on a word at the beginning of

Ctrl + Down cursor moves to the beginning of the next paragraph

Ctrl + up to move the cursor to the beginning of the previous paragraph