What to do if your Laptop or Desktop Computer no longer reads the DVD Player

What to do if your Laptop or Desktop Computer no longer reads the DVD Player

I wanted to provide you with a brief guide on a frequent problem that I solved after hours of research, namely the sudden deactivation of the device dvd-cd on a computer. First of all I'll explain when did you become aware of you should have this problem:

insert a cd-dvd in the drive, these turns (you can hear the classic sound of the lens that slides on the track and the turn of the cd-dvd) but not part of nor is there any setting appears in My Computer. Go to CONTROL PANEL> Hardware and Sound> Devices and Printers> management devices in the list and scroll to cd-dvd rom drive. If you find that voice in the name of your device dvd-cd with the yellow triangle of attention double-click with the mouse to open the device settings. In the screen that appears you might find this statement :: Can not start this hardware device. The configuration information in the registry is incomplete or damaged. (Code 19)

If you have this "symptom" you can read the "cure" below.

Step by step:

1) Remove any CD-DVD inserted from the device, than shut the door, come back in the window where you read the error message. Click on the Driver entry in the top menu and choose the setting UPDATE DRIVER. Now I use Win7 and to me appears after clicking a window with two choices. Click refresh automatically (top item). After a few seconds the computer will update the drivers. Once this is done restart your computer and try again to insert a cd-dvd. If nothing happens then try step 2.

2) Before reading the explanation, for users owning old pc or those who own computers fixed compounds make sure you have the cd or driver files of your device or at least a CD to restore your system. Will serve only in extreme cases. Returning to the in point one. Instead click update driver, choose UNINSTALL. Obviously the PC will tell you if you are sure, and the device will stop working. You say yes and do not worry. Restart the computer and turned on again once you hear the classic sound when adding a new device. The computer will automatically install the drivers. Now, if the installation goes through, the device should work, otherwise skip to step 3. For owners of desktop computers, you can still do this procedure also separating from the houses the hardware from its power supply and replacing it after restarting Windows. Obviously I recommend this procedure for advanced users.

3) We are the last step, that a little 'more annoying but resolving to 90%. Here we have two possibilities, one general for all users of Windows (either XP, Vista or Seven), the other specific type of CD-DVD

General: try before you're hoping this solution in 90% of cases, as I told you before.

Start regedit (it is the command that instructs the computer to explore the log files. If you have XP just go to Start> Run and type regedit, if you have Seven just go to Start and type regedit in the search bar.'ll Find the file launch of the entry where just click it) From the menu that appears you need to follow this path:

Found the target folder and open it from the inside delete the following entries are responding to the subsequent notice of windows:

Lower and Upper Filters Filters (in many cases you will find only Upper Filters but that's okay anyway)

You are at the end. Restart the computer and these should recognize anew perferica!

Specification: Unfortunately, if you are in the remaining 10% of cases you just have groped the last chance. First of all you need to see if your CD-DVD player is part of this list:

Sony BC-5100S DVD, Sony BC-5600S DVD TSST TS-L633B DVD + /-RW.

If you own one of these pieces, proceed to reading.

These burners have a firmware problem with the 'Adaptive Link Power Management (ALPM) in Win7; There are two possible solutions: the first consists in updating the firmware, the second is to disable the ALPM. This is a power saving feature that puts a device in sleep state after 100 ms of inactivity. Even after deactivating it remains, however, the drive can be configured in one of the 3 power modes: Performance, Normal, Energy Saving. To disable the ALPM, open a command prompt by typing cmd in the search box of the Start menu, right-clicking and selecting Run as Administrator. 6 are the commands that appear in the prompt window, in the order listed below (you can use the copy / paste):

powercfg.exe-setacvalueindex 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367 4fbc-53FE-825E-0-521D069D2456

powercfg.exe-setdcvalueindex 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367 4fbc-53FE-825E-0-521D069D2456

powercfg.exe-setacvalueindex 381b4222-f694-41f0-9685-ff5bb260df2e 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367 4fbc-53FE-825E-0-521D069D2456

powercfg.exe-setdcvalueindex 381b4222-f694-41f0-9685-ff5bb260df2e 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367 4fbc-53FE-825E-0-521D069D2456

powercfg.exe-setacvalueindex a1841308-3541-bc81-4fab-f71556f20b4a 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367 4fbc-53FE-825E-0-521D069D2456

powercfg.exe-setdcvalueindex a1841308-3541-bc81-4fab-f71556f20b4a 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367 4fbc-53FE-825E-0-521D069D2456

Reboot and the problem should be solved.

The author's original article can be found at the following address 
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