3 tips and tricks...
(1) boot in safe mode (press F8 )

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(2) When the the Desktop is ready. (blank screen monitor)
Right Click on Desktop
Take your hand off the mouse because the rest is on the keyboard.
up <arrow>
<Enter>
hold <Shift> press <Tab>
right <Arrow> 10 times.
<Tab>
left <arrow> (decreases resolution, right arrow to increase)
<Enter>

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(3) monitor unplug kardo aur phir se connect karo...