Try starting with dvd drive disconnected, it may be the firmware caused the problem. Also see if you can start in safe mode and uninstall the the last updates if the above fails.
Click start control panel administration tools computer management device manager scroll down cd-dvd rom drives you might see a yellow question /exclamation mark ? ! or a red X right click to update driver You might have to physically unplug the leads for this cd/dvd computer then plug them back in restart your this should activate the found new hardware wizard. If this does not fix the problem it might be a registry problem "you only need to do the following" if you cant see your disk drive in windows explorer Close all open programs 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 Delete
After deleting the keys, close the registry editor Reboot your computer Open 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. if this fails to fix the problem
It could be a problem with the lens you could use a liquid type lens cleaner place 2-3 drops on top of a cd/dvd then run it Restart your computer During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or the F2 key Press and hold that key during the boot up process to enter BIOS the using arrow key scroll down to advanced bios features press enter change your first boot device to cd,press escape then press f10 to save to cmos to restart note this will erase you operating system you will have to have an operating system disk to load it onto you hard drive or create a partition to load another operating system (note after you have loaded the operating system you should go back and change the first boot device to your failsafe or optimized defaults) after windows has loaded your computer will automatically restart it might restart 2 times one to finish the installation the next will be because the operating system is loaded and will boot from your cd during the boot process you will see on the screen to press a certain key to enter setup Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart otherwise it will keep booting from the cd /dvd drive Hope this helps.
Answers & Comments
Try starting with dvd drive disconnected, it may be the firmware caused the problem.
Also see if you can start in safe mode and uninstall the the last updates if the above fails.
Or, try
It could be a problem with the cd/dvd drive
Click start control panel administration tools computer management device manager scroll down cd-dvd rom drives you might see a yellow question /exclamation mark ? ! or a red X right click to update driver You might have to physically unplug the leads for this cd/dvd computer then plug them back in restart your this should activate the found new hardware wizard. If this does not fix the problem it might be a registry problem "you only need to do the following" if you cant see your disk drive in windows explorer Close all open programs 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 Delete
After deleting the keys, close the registry editor
Reboot your computer
Open 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. if this fails to fix the problem
It could be a problem with the lens you could use a liquid type lens cleaner place 2-3 drops on top of a cd/dvd then run it
Restart your computer During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or the F2 key Press and hold that key during the boot up process to enter BIOS the using arrow key scroll down to advanced bios features press enter change your first boot device to cd,press escape then press f10 to save to cmos to restart note this will erase you operating system you will have to have an operating system disk to load it onto you hard drive or create a partition to load another operating system (note after you have loaded the operating system you should go back and change the first boot device to your failsafe or optimized defaults) after windows has loaded your computer will automatically restart it might restart 2 times one to finish the installation the next will be because the operating system is loaded and will boot from your cd during the boot process you will see on the screen to press a certain key to enter setup Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart otherwise it will keep booting from the cd /dvd drive Hope this helps.