Click on Start, Run, and type regedit and press Enter Click on the plus signs (+) next to the following folders
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}
This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.
Upper Filters
Lower Filters
Upper Filters.bak
Lower Filters.bak
If any of the above keys shown in step 4 are listed, right-click on them and choose DeleteAfter deleting the keys, close the registry editorReboot your computerOpen My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.
hope this helps
if your computer came with a motherboard disc the sound drivers could be on it
click start control panel administrative 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
click start control panel sounds and audio volume advanced speakers make sure you have selected the
(appropriate speakers) also audio you will find 3 drop down lists make sure you have selected the correct speaker settings there
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick ithope this helps
restart you computer tap the f8 key repeatedly to enter safe mode where the only things working will be your keyboard and mouse allowing you an attempt to repair your computer
click start control panel administrive tools computer management device manager scroll to mice and other pointing devices you might see a yellow exclamation mark ! or question mark ? or a red x right click you will need to update the driver click start control panel mouse you should see 4 tabs buttons,pointers,pointer options and hardware under hardware you have options to troubleshoot also you can select properties under driver you will have options to update driver,rollback driver or uninstall also I have found that the best way to adjust your mouse settings is to create a control panel in your bottom toolbar scroll to the bottom of your screen right click you will see an array of options select the toolbar option then select desktop then you will see the desktop in the bottom toolbar select the 2 arrows then all control panel items then select mouse this is in WINDOWS 7 in XP you will have to select the new toolbar option once you have that a browse option select my computer then control panel then a control panel option will be in the bottom toolbar hope this helps
bluescreen can be caused by a number of things
a bad driver loose or faulty lead or not having enough ram
click start control panel administration tools computer management device manager scroll through all of your devices
if you see a yellow question or exclamation mark ? ! or a red X you will need to update the drivers for this device right click select update driver/reinstall driver
if you can see your usb device but its not working scroll to Ports(Com&Ltd) right click to update driver
if you computer came with a motherboard disk the drivers could be on it
or you might have to download one
you might not have enough RAM random access memory not having enough will cause your computer to run over its maximum limits and can cause the blue screen of death and hang and cause memory dumpsmake sure your ram modules have a dust free secure seating and the CPU central processing unit has thermal pasteif you dont want to install more ram uninstall some unnecessary programs a bad or faulty motherboard lead or its connection if its a flat 40 pin ide it will be the first to failmake sure all leads have a dust free secure connections hope it helps
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