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when ever i switch on my laptop first time the screen does not starts to display not even keyboard lits up , but the system starts the fans starts to run everything starts except screen and laptop , so i try rebooting using power key by holding it for 10 sec and after 4-5 atempt its start screen starts and keyboard .. i dont know what to do please help, even my function key for keyborad and brightness is not working … my laptop is asus fx553vd windows 10.. any idea whats wrong , any help would be appricieated
Hi @dube8 , Does it do this as well when the charger is connected and switched on? Wondering if it is a corrupted BIOS problem which is preventing a normal start. When you hold the Power button for 10 seconds this resets the BIOS back to default settings, until the next time. Try holding it for 30 seconds and check then if it starts at the first attempt after it has failed to start. You may have to open the laptop and disassemble it to see if there is a coin cell CMOS battery connected to the underside of the motherboard or not. There aren’t any videos on YouTube for your model that show the underside of the motherboard (or none that I found anyway) but on a lot of Asus laptop motherboards there is a coin cell, non rechargeable Lithium battery that is used to maintain the BIOS settings when the laptop is off. When the battery gets low i.e. <2.6V DC, the BIOS can become corrupted due to power fluctuations etc The battery is usually a CR2032 type and lasts about 3-4 years. Here’s an image of the CMOS battery in an Asus GL753 just to show what it looks like. The motherboard had to be removed from the laptop to access the battery because it is on the underside.
(click on image to enlarge for better viewing)
