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Cmos failure

Last response: in Laptops & Notebooks
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well for laptop troubleshooting try plugging in external display and turn on the laptop. if you dont any video signal on the external monitor it means your video card is faulty and you will most likely have to get the whole motherboard replaced as in laptop the parts are integrated into each other to save space. if you do get signal on the external monitor it means that your internal display needs to be replaced and your video card is fine
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