I have Windows 7 Ultimate 32 bit and two Pioneer burners:
[ul]
[li]DVR-216D[/li][li]BDC-202BK[/li][/ul]
The second burner has actually been sent for RMA as I thought it was defective, but at the end of the day it turns out that ALSO the DVR-216D isn’t able to burn CDs/DVDs.
I am using official firmwares and no burning software (IMGburn, Nero, etc.) is able to create working media supports!
Is this a Pioneer problem with Windows 7 or what??:a
What discs are you using? At what speed are you burning them?
Pioneer optical drives do not (in my experience at least).
Have problems related to OS.
I run Win 7 64 bit & have several models including the 216D.
Pioneer + good media has never let me down.
As geno888 mentions, we need more info.
Media + burn rate.
Are you using the same media in all drives?
OS or controller problem in most cases.
I doubt that both drives could fail together…
[QUOTE=chef;2567358]OS or controller problem in most cases.
I doubt that both drives could fail together…[/QUOTE]
Good point indeed 
@Cr4z33, what mainboard do you have? Do you use a PCI or PCIe controller to connect the burners? Did you try to change cables?
I have an ASUS Rampage III Extreme and I use no controller card for my devices.
I believe too it is software related.
I use Verbatim, TDK and Kodak CD-R media.
specs:
Marvell® 9128 PCIe SATA 6Gb/s controller
2 xSATA 6.0 Gb/s ports Intel ICH10R controller
6 x SATA 3.0 Gb/s ports
0,1,5,10 Intel Matrix Storage Technology Support RAID
JMicron® JMB363 PATA and SATA controller
SATA 3.0 Gb/s port
1 x External SATA 3.0 Gb/s port (SATA On-the-Go)
1 x
9 x SATA connectors: 2 x SATA 6G connectors (Red); 7 x standard SATA connectors (6 in Grey, 1 in Black)
To which ports are the drives connected??
Updated drivers are here:
It’s connected to one of the 3.0 Gb/s ports.
…which is set to RAID?