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LG External burner - CAN'T Burn at 4x or 8x

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I bought a LG GP65NB60 CD/DVD external USB burner for my computer (with the most reviews/highest rated on Amazon). I'm burning CDI ISO's (which I was told should ALWAYS be burned at 4x or 8x - and yes, I added the drivers/dll's or whatnot to be able to burn these correctly). When I choose 4x or 8x, I get an error in the log which says "W 23:21:02 The drive only supports writing these discs at 10x, 16x, 24x". I know it's not these Verbatim CD-R's because I'm half way through a stack of 50 of them and my other burner did any speed I want perfectly. And heck, even the product description says "LG Electronics 8X USB 2.0 Super Multi Ultra Slim Portable DVD Writer Drive" so you would think I could at least burn CD's at 8x too, right?

Discs seem to work just fine, but again I was told you HAVE to burn them slow or they'll fail to work at some point (games initially launch fine, but I haven't played through an entire game or anything). I do get some verification errors (screenshot below) which likewise makes me think that I HAVE to burn them slow...which I can't seem to do...

I even tried to update the USB driver through Windows 10 Device Manager, but it seems to be the most up to date. I tried to update the firmware on the burner, but there doesn't seem to be a newer firmware available - there IS a new firmware for the same model number with "SVC CODE: NB60", but mine has a "SVC CODE: NB70" so there doesn't seem to be a newer firmware for that exact one.

I wrote them to ask if it can physically do 4x but they haven't written back yet and reviews say other people can burn 4x so I can't help but thinking it's something with the settings of ImgBurn (which I've poked through everything and can't find anything myself to try). Any help?






I 23:21:02 Source File Sectors: 358,620 (MODE2/FORM1/2336)
I 23:21:02 Source File Size: 837,736,320 bytes
I 23:21:02 Source File Volume Identifier: VC2
I 23:21:02 Source File File System(s): ISO9660
I 23:21:02 Destination Device: [0:0:0] HL-DT-ST DVDRAM GP65NB60 PF00 (E:) (USB)
I 23:21:02 Destination Media Type: CD-R (Disc ID: 97m15s17f, Ritek Co.)
I 23:21:02 Destination Media Supported Write Speeds: 10x, 16x, 24x
I 23:21:02 Destination Media Sectors: 359,843
I 23:21:02 Write Mode: CD
I 23:21:02 Write Type: SAO
I 23:21:02 Write Speed: 4x
I 23:21:02 Lock Volume: Yes
I 23:21:02 Test Mode: No
I 23:21:02 OPC: No
I 23:21:02 BURN-Proof: Enabled
W 23:21:02 Write Speed Miscompare! - Wanted: 706 KB/s (4x), Got: 1,764 KB/s (10x)
W 23:21:02 The drive only supports writing these discs at 10x, 16x, 24x.


Edited by Dochartaigh

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The write speed is determined by the write descriptors on the disc.  So, if the available lower speed is not present in the write strategies, I doubt the drive will burn the disc at anything slower than its slowest write descriptor.  In Write mode in ImgBurn with one of these discs inserted, check the pane of information on the right hand side.  It should tell you what the slowest acceptable burning speed is.


As for the Verify error, that's probably because you're using cheaper Ritek media or your drive doesn't like them.  Try Verbatim DataLife Plus/AZO CD-R's and see what you get.

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