my windows 7 screen resolution not active

Solution
Try reinstalling the manufacturer's graphics driver. For laptops and factory-built desktops, you can download it from their website.

If it's a custom-built desktop, download driver from the motherboard maker's website.

If it's an add-on graphics card, download driver from the card maker's website.
Try reinstalling the manufacturer's graphics driver. For laptops and factory-built desktops, you can download it from their website.

If it's a custom-built desktop, download driver from the motherboard maker's website.

If it's an add-on graphics card, download driver from the card maker's website.
 
Solution