Introduction
Your screen might need replacement if there are any noticeable cracks on screen or if you are experiencing persistent flickering during use of your Lenovo IdeaPad Flex4-1130.
Tools
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            Insert the spudger into the groove work your way around the laptop to separate the bottom from the case. 
 
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            Use the spudger to remove the plastic caps, uncovering the screws underneath. 
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            Remove the two 6mm screws. 
 
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            Use the black nylon spudger to remove the long plastic covering underneath the screen. 
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            Remove three 6mm screws. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.