Question about A4tech KBS-21 (KBS21) Keyboard
SOURCE: How can I get installation program for my A4Tech Optical mouse?
You can download your driver from A4Tech Here
Under "Downloads" select "***" and click "GO". On the right you will see links for the driver download.
Posted on Feb 19, 2009
SOURCE: How can I active USB Port and Speaker port on the
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 for a computer and its parts
if your computer came with a motherboard disc the sound drivers could be on it
click start control panel administrive tools computer management device manager scroll to sound video and game controllers you might see a yellow question exclamation mark? ! or a red X Right click to reinstall drivers
if you dont have a disk with the drivers you will have to download them
Click start control panel keyboard you can change your settings there
click start control panel administrative tools computer management device manager scroll to keyboard you could see a yellow/question exclamation mark? ! or a red X right click to install drivers
click start control panel keyboard hardware then properties you should see driver details and have options to,update driver,roll back driver,uninstall
if your computer came with a motherboard disc the drivers could be on it
hope this helps you
Posted on Oct 16, 2011
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