Question about Lite On (SHW-1635S) DVD RW Dual Layer Burner

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Does not recognise any discs inserted in drive,LED continually flashing all the time since firmware upgrade,Prior to this 'c' drive failed, 40Gb partitioned, win'98' on one and XP pro on other,'d' drive 20Gb ok, had 10Gb drive available as replacement 'c' drive,loaded with XP pro,drive kept failing to see a lot of blank discs, so upgraded firmware,computer says successfully, everything working ok,NERO toolkit says all ok, but with LED FLASHING will not read anything, message reads 'no disk in drive', all drivers I assume present and ok. Any Ideas, all thoughts helpful

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You just answered your question......."all drivers I assume present and ok" update your old are the drivers for WIN98? how old are the drivers for XP. These are relevant to having the correct drivers for the correct operating system. The benefit for you is that you are running to operating systems seperately on two drives or am I mistaken. They need an update on the drivers for each OS and not a firmware update one is hardware the other is software? Your problem is the software.

Posted on Sep 07, 2007

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Are the power and data cables plugged in from the DVD-RW to the PC?
If cables are plugged in ans secure, download the driver and install it on your PC. You might need to restart after that.

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I intalled model iHAS324-32 Y to replace iHDS 11807-4 and vista wont run with it. Tells me to uninstall it and contact manufacturer. I uninstalled it and system works fine again without the disc drive.

Is your vista a 64 bit OS? If so this dvd-writer is compatible with 32 bit OS. You may need to upgrade the firmware for it. Maybe this link can help LiteOn firmware search.
I've upgraded firmware for a dvd writer already with no bad consequences but I have crashed one of my motherboards trying to do the same. So if you're not comfortable doing it, get the people you bought it from or some techie to do it for you. Hope this helps

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You should be install CyberLink PowerDVD Player and than try to play it.

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You really shouldn't need drivers for this drive in WinXP. I could be wrong on this one.

Check under device manager for DVD/CDROM drives. It should be listed once it is connected.


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These drivers are post-marked from 2004 but are the latest I could find for this model.

Hope these help ya.

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Mostlikely, its your OS. Win95 and maybe win98 doesn't know about write. All winXP does.

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In order to upgrade the firmware the LG drive MUST be on it's own IDE channel and 60 conductor cable and be set as master.
Quoted from the LG support firmware file download:

Critical Instructions: (to be followed carefully)
1. Connect the drive as master by it self, on the secondary IDE controller with no other device on the same IDE cable, making note to set the jumper on the back of the drive to the master position.

To check this open the computer case.
If you need more assistance, post here again.

Oct 03, 2007 | LG GSA-4160B DVD±RW Burner

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Cannot play disks

There are 2 lasers, one for CD and one for DVD. Most likely, your DVD laser is not working right. The new firmware update only supported more media: (link to update and details) DVD burners are cheap now a days (I just got a DVD lightscribe burner for $40 at CompUSA...Who is also going out of business)

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NEVER detects a CD. Help me!

Try searching the internet for that model. and look for a firmware upgrade. Download it and intall carefully folling the instructions that came with the download. If this does not work start looking for your reciept.

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