CVC rom will not read disks-should I try firmware update?

Hello all,

I have been having problems with my Sony DDU1612 dvd rom. (It is a 1612, NOT a 1621). At first, it stopped reading dvd games and dvd movies, but would still read all other media types. Then it quit reading cd games too, and would only read audio cds and cds with burned data file on them. Now it won’t read any disks at all. When I put a disk in the drive, the light comes on and it spins, the light flashes for a bit and it continueds to spin but it will not read the disk. If I try and access the disk through My Computer, and right click the drive and select Explore it just says there is no disk, giving me a “Please insert disk into Drive F…” message. This drive is about 4 months old and I purchased it from, it was an OEM version.

Here is what I have tried to do to fix it so far and some general info:

****The computer shows the drive is working properly in Properties and in Device Manager.
****I have tried updating the driver, but I already have the newest one.
****I have tried reinstalling the bundled software (Power DVD) that came with the drive (knowing that probably would not work).
****I have tried everything in the Windows dvd/cd rom troubleshooter.
**** I have tried uninstalling the drive, shutting down the computer, then unplugging it. Next, I rebooted the computer and checke to make sure the drive was not showing up on the computer, it wasn’t. So I shut down again, re-plugged in the drive and turned the comp back on. It did not come up with the message that it “recognized” new hardware, but the drive did show up in My Computer and in Device Manager. It still did not work, even after installing the nundled software again.

Anyone have any ideas why this happened or how to fix it?

On another forum, some people suggested updating the firmware. I downloaded the DYS1 version from but have not yet installed it. I am very apprehensive about flashing anything to my computer, as I have never done so before and have read the numerous warnings. If something went wrong would it mess up only the drive itself or the whole computer? Should I flash to Windows using MTK Winflash or flash from DOS? It says flashing in Windows can mess things up if you have an Nvidia chipset, which I do. Should I use the newer version of firmware on the site listed above, named DYS3? Would getting the new firmware potentially fix my drive?

Thank you very much for any help, as you can tell from this post I am obviously a newbie.


Built from scratch computer
Intel D865PERL motherboard
Pentium 4 2.8 ghz processor
1024 ram (512 x 2) Kingston PC3200 DDR ram
Nvidia GeForce X5900XT 256mb
Soundblaster Audigy 2
DDU1612 dvd rom
TDK DVDRW880N dvd burner
320GB hard drive (2 x 160gb) Seagate Barracuda ST3160023AS
Windows XP Pro sp1

  1. i think DYS3 is the latest firmware. see it @ Original RPC-2 Firmware version DYS3 for the SONY DVD-ROM DDU1612

Flash in Windows with MTK WinFlash (

Or Flash in DOS with mtkflash
Use this command: “mtkflash X w /b DYS1.bin”
Where X is replaced by one of the following:
1 - Primary Master
2 - Primary Slave
3 - Secondary Master
4 - Secondary Slave

  1. the bundled software will not have any positive effect…whether itz installed or not makes zero difference.

  2. flashing can kill the dvd-rom but i have never known it to do any overall harm to the PC itself.

  3. wierd problem you have…sounds like the drive is dying, "Now it won’t read any disks at all. "…flash it and see what happens.

  4. also>>>

  5. go through the 10 points listed @ [ you may not be a newbie, but the trouble is, and might be related to one or more of the listed items ]. note: very important to keep the transfer mode on IDE channels in DMA mode. check them every now and then, they can change.

  6. a) know your drive’s capabilities. use nero info tool. also go to the drive maker’s website and find out what media types and brands, and at what speed to those media types, the drive supports. [ eg., my pioneer 107d can burn to dvd-rw @ 4x without trouble, but my optorite 401 can only burn @ 2x to dvd-rw even though Nero and other burning programs will offer to burn @ 4x and will produce a “successfull” disc @ 4x…it ends up a coaster ] b) update the firmware of the drive. check for updates @

  7. a) try another brand of CD/DvD disc. b) try burning at lower speed. eg., don’t try burning at 24x to 16x media; burn according to MEDIA speed limits, don’t try to burn at the cd/dvd drive max speed until you are certain that you can do so without negative consequences.

  8. a) disable and/or uninstall any virtual drives. b) install an aspi layer. preferred is v460. get it @

  9. a) update the burning program you are using to the latest release. b) uninstall any recently installed software. c) do a virus scan, and a scan with spybot s & d [ get it @ ]

  10. for XP or Win2K users, optimise your operating system Services for best system performance. for info go to and

  11. before burning, open taskmanager and shutdown ALL unneeded processes that are running.

  12. a) try another burning software and see if you get a better result. deepburner standard is free. get it @ b) for users of alcohol 120%, update to the latest drives support DLL [ look for topic “Alcohol 120% Device Support Patch Released” @ ] c) if you have multiple burning softwares installed, uninstall them all, then install one. test it. install another if needed. test it, and so on…

  13. make sure mainboard chipset drivers are up to date. make sure all cables and jumpers connected to drives are correctly configured with regard to master/slave setup.

  14. enter your BIOS and disable anything you don’t use. set memory speeds to default. set cpu speed to default. if you overclock, DON’T [ until you are certain that overclocking is not the cause of the trouble ].

  15. if you still cannot fix the problem, try the drive or the DvD disc you are having problems with in another PC that has no burning issues…if possible.

Sorry, I should have made this more clear, but it is not a burner, just a regular dvd rom. You gave me plenty of ideas to try anyway though, so I will. I’ll post back if I get it fixed. Thanks you so much! :slight_smile:

yep, i know itz only a reader, still, my suggestions may apply. good luck


I also have the ddu1612 (good drive BTW)-

Flashed it with DYS3 (I downloaded winrar extraction tool - find it easier to flash with in XP)

Works good-