HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4D36E965-E325-11CE-BFC1-08002BE10318 In the right pane, look for UpperFilters LowerFilters Right-click and 3. Check for Power/Connection Issues
If you have a laptop or an older desktop PC running Windows, you may have come across the mysterious device name in your Device Manager. This alphanumeric string is not random code—it refers to a specific optical disc drive (ODD) manufactured by HLDS (Hitachi-LG Data Storage), a joint venture between Hitachi and LG.
For Linux users, the drive should appear as /dev/sr0 (or similar) and work with standard disc utilities like wodim , growisofs , and graphical applications like Brasero or K3b.
The you are currently running.
settings under "SATA Configuration" to see if the motherboard recognizes the hardware at the lowest level. Driver Procurement
To the uninitiated, the string "HL-DT-ST DVDRAM GUC0N" looks like a random assortment of letters and numbers. However, each part of this name tells a story about the hardware's origins and capabilities. The prefix "HL-DT-ST" is a joint-venture brand from "Hitachi-LG Data Storage" (HLDS), a collaboration between the Japanese electronics giant Hitachi and the South Korean conglomerate LG. This marking confirms that the drive is a product of HLDS, a leading manufacturer of optical disk drives for the PC industry.
: A code 45 may indicate a genuine hardware disconnection: hl-dt-st dvdram guc0n driver
There is no unique "installer" for this driver because it relies on the generic Microsoft CD-ROM Class Driver
Right-click and choose Uninstall device . Confirm the prompt and restart your computer .
The easiest and safest approach is to let Windows manage the driver automatically: For Linux users, the drive should appear as
Understanding the native capabilities of your drive makes it easier to troubleshoot. The GUC0N is a highly compact, tray-loading multi-format burner widely used in laptops from major brands like Acer , ASUS, and Lenovo. Specification Hitachi-LG Data Storage (HL-DT-ST) Form Factor 9.0mm UltraSlim Internal Drive Interface Type SATA (Serial ATA) Buffer Memory Max Read Speeds 8x DVD / 24x CD Max Write Speeds 8x DVD±R / 24x CD-R / 5x DVD-RAM How to Fix HL-DT-ST GUC0N Driver Issues
If your device is showing "(Standard CD-ROM drives)" under manufacturer details in Device Manager, this is normal. How to Fix HL-DT-ST DVDRAM GUC0N Issues (Windows 10/11)
. Windows will automatically detect the hardware and reinstall the standard driver upon reboot. 3. Manufacturer Support Pages Driver Procurement To the uninitiated, the string "HL-DT-ST
If you have applied all the digital workarounds listed above and the drive remains unresponsive, you may be dealing with physical component failure.
3. Fixing Corrupted Registry Filters (Error Code 19, 31, 32, 39, or 41)