diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index c6955d1ad29d..34b73f320b18 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -1134,6 +1134,18 @@ static const struct dmi_system_id dmi_leave_unused_power_resources_on[] = {
 		}
 
 	},
+	{
+		/*
+		 * CASPER EXCALIBUR G900 laptop: Keep unused ACPI power
+		 * resources on to prevent the NVIDIA dGPU and NVMe #2
+		 * from becoming inaccessible.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "CASPER BILGISAYAR SISTEMLERI"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "EXCALIBUR G900"),
+			DMI_MATCH(DMI_BOARD_NAME, "NLCC 001"),
+		},
+	},
 	{}
 };