dvd disc works on one computer but show full

August 11, 2011 at 06:58:02
Specs: Windows XP
DVD-RW shows empty on laptop using Windows 7 but in laptop with XP indicates disc full

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#1
August 11, 2011 at 07:17:08
Try cleaning the laser lens on the laptop's drive.
Eject the drive's tray, and with no disk on the tray, wipe off the obvious laser lens with a tissue or a soft cloth.

If that doesn't help, do other DVD disks read fine on the laptop ?

If yes, burnable disks other than CD-R or DVD-R disks may not read properly in a drive they were not made in.

If no DVD disk reads fine, DVD drives have at least two lasers and associated circuits, one for CDs, the other for DVDs. Sometimes after the drive has been used a lot one of those malfunctions.
The only cure for that is to replace the dreive.


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#2
August 15, 2011 at 03:09:17
DVD player is ok as can play DVDs.
However when a DVD-RW is put in the properties show.
CD drive - File Sys UDF- free space '0' byte - total size 127 mg.

The same disc in another laptop show propertis as
CD drive- File sys UDF - used space 290 KB- free space 4.37GB.


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#3
August 15, 2011 at 08:02:05
Did you try cleaning the laser lens ?

"DVD player is ok as can play DVDs."

Ok, good .
Can it read other burnable disks fine ?


As I said above...
"....burnable disks other than CD-R or DVD-R disks may not read properly in a drive they were not made in. "

E.g. all optical drives are somewhat "fussy" or sometimes very "fussy" regarding which media - brands and types of disks - work properly with them. A particular burnable disk brand / type that works / reads fine in one optical drive model may not work / read fine in a different optical drive model. Which media has been tested and has been found to work fine with an optical drive model is often listed on the optical drive maker's web site.
E.g. The only brand LG lists for all types of disks their burner drives can read and burn properly is Verbatim (in North America - in other places the same disks are often sold by the same manufacturer under another brand name).They also list other brands / types that have been tested and been found to work / read fine for individual types of disks.

(this can apply to any optical drive - you may need to update XP)
CD-ROM Drive May Not Be Able to Read a UDF-Formatted Disc in Windows XP
http://support.microsoft.com/kb/321640

"However when a DVD-RW is put in the properties show.
CD drive - File Sys UDF- free space '0' byte - total size 127 mg.

The same disc in another laptop show propertis as
CD drive- File sys UDF - used space 290 KB- free space 4.37GB."

Is the first quote supposed to be
CD drive - File Sys UDF- free space '0' byte - total size 127 mb ?.
No used space ?

If burning software is not installed on that computer, or if you have re-loaded just Windows from scratch on that computer but have not installed the main chipset drivers for the mboard, then Windows may not recognize the optical drive properly and/or may not recognize the available free spae on a RW disk that has already been prepared.

Obviously, on the second computer, Windows recognizes that the RW disk has already been prepared so that 4.37gb of space is available for data - " used space 290 KB" is probably the space taken up by the formatting that is necessary so that data can be stored on that 4.37gb of space.

Windows always shows 0 bytes free space on a "factory" CD-rom or DVD-rom disk, or on a CD-R or DVD-R already burned disk. .


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#4
August 15, 2011 at 11:31:18
Yes - Windows has just been reinstalled on the 'problem' computer.
Hard drive was cleared in its entirity.

re your reply.
If burning software is not installed on that computer, or if you have re-loaded just Windows from scratch on that computer but have not installed the main chipset drivers for the mboard, then Windows may not recognize the optical drive properly and/or may not recognize the available free spae on a RW disk that has already been prepared.

Where to now?
Computer 'thinks' drivers are up to date?


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#5
August 15, 2011 at 12:13:26
XP first came out a long time ago (2002?), what it can recognize automatically has not changed much since then, so it may not be able to recognize everything on a mboard newer than that with what's built into it.

Whenever you load Windows from a regular Windows CD (or DVD) from scratch, after Setup is finished you must load the drivers for the mboard, particularly the main chipset drivers, in order for Windows to have the proper drivers for and information about your mboard hardware, including it's AGP or PCI-E, ACPI, USB 2.0 if it has it, and hard drive controller support. If you have a generic system and have the CD that came with the mboard, all the necessary drivers are on it. If you load drivers from the web, brand name system builders and mboard makers often DO NOT have the main chipset drivers listed in the downloads for your model - in that case you must go to the maker of the main chipset's web site, get the drivers, and load them.

The main chipset drivers are probably on the maker of your laptop computer's web site in the downoads for your specfic model.

If you have an older laptop, the earlier Intel 8xx main chipsets also require that you load the IAA - Intel Application Accelerator - in order for your main chipset to be able to run the drives at the fastest speeds they are capable of.

In most cases it does absolutely no harm to install them again even if they have already been loaded, and you don't need to un-install anything in Add or Remove programs before loading them. (The only exception I know of is if the main chipset was made by NVidia, it's probably a good idea to un-install any NVidia main chipset related listings in Add or Remove Programs before you install the NVidia main chipset drivers.).
.....

After you have installed the main chipset drivers, there should be no unknown devices, or devices flagged with a yellow ! listed in Device Manager.
(E.g. RIGHT click on My Computer - Properties - Hardware - Device Manager)
If there are any of those, you probably need to install other drivers that are probably available on the laptop maker's web site.
.....
Vista and Windows 7 are much newer, so they can recognize and install the drivers for more things automatically on newer mboards better with what's built into them; however it's still a good idea to load the main chipset drivers to make sure the op system has all the proper drivers for and info about the mboard components, if they are listed..



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