The OS on your PC has no control over the boot screen, so if you’ve tried everything else and don’t see anything, you may have a faulty CPU or cable, or graphics card. Furthermore, restoring the PC to the factory defaults may fix your problems if it’s software related.Īgain, if you don’t see a display at all when first booting your PC (the BIOS splash screen), then you might have a more severe problem. You should also update your system’s drivers. If the screen is working now, which it should unless your graphics card has failed or you have a faulty screen cable or screen, try re-enabling the graphics card. Booting into Safe Modeįirst, boot your system in Safe Mode by holding the Shift + F8 key during startup.
Once found, pop the battery out, but you may need to disengage some form of clipping mechanism first.įixing a Graphics Card Disabled in WindowsĪs mentioned, if you disable your graphics card in Windows using the Device Manager or another app, you’ll need to re-enable it by booting into Safe Mode. Once the internal components are accessible, find and remove the CMOS battery, which essentially looks like a large watch battery-usually located in an exposed housing on the motherboard. If you’re unsure how to do this, refer to the manufacturer’s information, but be warned that doing so may void your warranty.Ģ. For desktop PCs, CMOS battery removal is relatively straightforward: ensure your machine is powered down and remove all external cables, then open up the case to reveal the hardware inside.Since this CMOS gets powered by a small battery (CR2032), the second BIOS reset option is to remove it. Option 2: Remove the CMOS Battery on Your Laptop or Desktop PC Instead, the computer goes back to its standard startup settings. None of your files or data get modified or deleted since they get stored on the HDD or SSD. Then, reinsert the plug back in place, or, in the case of a three-pin setup, place it back on the original outer pin.īy removing the plug from the pins, the BIOS basically ‘forgets’ what settings to use at startup and reverts to its defaults.
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