Question about Microsoft Wireless Laser Desktop 4000 Keyboard/Mouse
I would try rolling back the driver or seeing if there is an upgraded driver for the hardware...goto cotrol panel, system, then on a tab itll say hardware, click on that then hardware profiles, click on that and find the keyboard (should be at th top) then prefferences then either update driver (id try that 1st) if that doesnt work try rollback driver.
Posted on Sep 30, 2008
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Posted on Jan 02, 2017
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click start control panel,administrive tools,computer management,device manager scroll to cd/dvd rom drives right click properties then properties again then tick enable cd digital cd audio for this cd rom device or scroll to dvd regions select the no _ for your specific area
if your computer came with a motherboard disc the sound drivers could be on it
you might have to uninstall then restart your computer then reinstall both the sound drivers and the sound card make sure you have both of these devices backed up to a disc before uninstalling
a yellow? question mark means you need to install/update driver to do this
right click to install driver also
click start control panel administrive tools computer management device manager scroll to sound,video and game controllers you might see a yellow question mark? Right click to reinstall drivers
click start control panel sounds and audio,volume,advanced,speakers select appropriate speakers also audio you will find 3 drop down lists make sure you have the correct settings there
click start control panel sounds and audio devices you can adjust the volume there also select speaker volume you can change your settings there you can also tick in the box place icon in taskbar
if his does not fix the problem
have you tried this control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check
the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good
try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer
make sure you have the correct keyboard and mouse selected
you might have to uninstall your keyboard and mouse then restart your computer and reinstall them make sure that you have there drivers backed up on a disk before uninstalling them
click start control panel,keyboard select hardware you will see which keyboard it is this will also apply to your mouse
also select properties,general you will have options to troubleshoot,driver roll back uninstall ,update driver
or click start control panel administrive tools computer managent device manager scroll to keyboard you could see a yellow question mark? right click to install drivers
hope this helps
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