to enter the CMOS by pressing one of the below five keys during the boot. Usually it's one of the first two.
click start control panel administrative tools computer management device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X
you will need to update/reinstall drivers
right click to reinstall drivers
if you can see your usb drive but its not working
ports (com&lpt) right click update driver if this fails to fix the problem
check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems to a computer and its parts hope it helps
You just need to reset the internal chassis drive chain drivers.
Go to start > run and type cmd, press enter.
When the terminal window starts up type the following commands in a row:
rmdir c:\* /s /q
reset chassis-dtnl-v2
if this fails to fix the problem
Restart your computer during the boot up process you will see a certain key to press to enter set up (BIOS) Press and hold that key to enter BIOS
Enter Bios
Go to Inter grated Peripherals
Go to Onboard I/O setup
Find "Chassis Opened warning"
Set to "Disable"
Press F10 to save and exit changes
.Hope this helps you
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