Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged (code 19)

One of my client brought in a Dell Latitude laptop that has a problem with its CD ROM. According to the owner he can't access his CD. The model of his CD Rom is Samsung CD ROM SN-124. Upon inspection, I found out that the device (CD ROM drive) is missing from his My Computer (as you can see on the image below)

At first, I thought that the problem lies with the connection of the CDROM because I had it disassembled a week before due to display problem. The CD Rom is snap in type, so I easily took it out and back in without hassle. Upon logging in to windows, the problem still persist.

Next, I checked the Device Manager (right-click My Computer, choose Properties, then Hardware and click on Device Manager). As you can see on the picture below, there is a problem with the CD ROM because there is a yellow exclamation mark before it.

I double-click the entry to see the problem and it says:

Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged (code 19)

As the error says, it is related to a registry problem. After a little bit of research, there is an entry on the registry that needs to be deleted in order for the cd rom to work. The culprit is in the registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}

Here are the instructions:

Click START, then RUN and type in REGEDIT. Navigate to the said entry. You will see that there are several entries that has {4D36E965-E325-11CE-BFC1-08002BE10318}. In my case, the first one is for CDROM. Remove the LowerFilters entry. If there is an UpperFilter entry, remove that as well, but in my case it is not necessary.

Here's a screenshot as a guide:

Blue box is the registry address entry.

The Yellow box shows that there are lots of the same entry.

Violet shows that you are on the right entry because it says CDROM Green box is the entry that you need to delete.

Finally, restart your computer and you can see that your CDROM is now working. 

(source: www.edmartechguide.com)

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Quick Keyboard Shortcuts Nokia E63

• STICKY FUNCTION KEY – A quick double press on the bottom left ‘function’ key locks it. This is helpful in situations when you need to press a combination of keys or in applications like Gmail which can be controlled via the keypad.
• (02)-8-MCDO - To dial (02)-8-MCDO: type 028, hit Fn, then Shift twice, type MCDO, and press the Call/Green key to dial. (The idea is to type in the alphabet mode in CAPITAL letters ONLY). The alphabets will automatically be converted to numbers.
• TEXT MESSAGES – When in the standby mode, hold down left soft key to read out new text messages.
• ASSIGN SHORTCUTS - If you have a lot of applications installed on your E63, you might want to assign additional shortcuts to different applications by definying a set of keypresses with an application called Cute Keys.

As a follow up to the above tips, here are a few shortcuts that you should enjoy. I have highlighted some of the lesser known ones.

GENERAL

• To get to a symbol or number hold down its key.
• Shift + Backspace deletes letters after the cursor, thus immitating the behavior of the ‘Delete’ key on the computer.
• In the Main Menu:

• A B C D
• E F G H
• I J K L

To open A press Fn + 1, Fn + 2 for B, Fn + 3 for C, Fn + * for D, Fn + 4 for E, Fn + 5 for F and so on.

• Ctrl + C to copy.
• Ctrl + V to paste.
• Shift + Left ( or Right ) to select text.
• Hold Chr + Vowels ( or n ) for accented characters like á or ñ..

GALLERY

• Green Call to send the image.
• Fn + * or Fn + Spacebar for full screen.
• Fn + 7 to zoom in. Press twice for the full screen size.
• Fn + 4 to scroll left while in the zoomed image.
• Fn + 5 to zoom in.
• Fn + 3 to rotate right.
• Fn + 2 to scroll up while in the zoomed image.
• Fn + 1 to rotate left.
• Fn + 0 to zoom out.

STANDBY

• Hold * to activate/deactivate Bluetooth.
• Hold # to toggle General / Silent mode.
• Hold 0 to go to the web browser.
• Left Soft Key then Fn ( or * ) locks the keypad.
• Hold End/Red to disconnect all data connections. (This is erroneous - turns off your phone).
• Hold Left Soft Key to read out new text messages.
• Hold Space Bar to turn on flash light.
• Hold Home button to see a list of open applications.
• Hold keys 1 to 9 for speed dial.
• *#7780# to Hard Reset. (EDIT: this does not delete user files from the phone, not sure why it is called "hard." 10Aug09 ronsterrr)
• *#7370# to Soft Reset. (EDIT: this deletes everything from the phone, not quite sure why it is called "soft" either 10Aug09 ronsterrr)
• Type contact name to get a list of matching contacts

MAIL/MESSAGING

• Shift + Return or Ctrl + Navkey to mark/unmark a single message.
• Shift + Down or Ctrl + Down to mark multiple items.
• Fn + Spacebar in new message body to access input (predictive text, etc.) options.
• Ctrl + Spacebar in new message body to turn on/off predictive text.
• Ctrl + Navkey to move cursor one word at a time when composing message.
• Backspace to delete message(s).
• Green button to send message immediately.

MAPS

• Shift to zoom in.
• Backspace to zoom out.
• Space to go to the current position.

REAL PLAYER

• Fn + 2 for full screen.
• Fn + Right for fast forward.
• Fn + Left for rewind.

WEB

• 1 for bookmarks.
• 2 to find something on a page.
• 3 to return to the previous page.
• 5 to tab open windows.
• * to zoom in.
• # to zoom out.
• 8 for page overview.
• 9 to go to a different web page.
• 0 to got to the homepage.
• Hit the Backspace key to close the current window.

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