Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install (2025)

The UGREEN Bluetooth 5.0 USB Adapter (Model: CM390) is one of the most popular dongles on the market. It promises instant wireless connectivity for mice, keyboards, headphones, and game controllers. However, the phrase is searched thousands of times per month. Why? Because despite being "plug-and-play" in theory, Windows often fails to automatically load the correct driver.

Stop searching for "CM390 driver install." The answer is . ugreen bluetooth 50 usb adapter cm390 driver install

In this 2,500+ word guide, we will walk you through every possible method to install the CM390 driver, troubleshoot common errors, and optimize your Bluetooth 5.0 performance. The UGREEN Bluetooth 5

The is an ultra-compact dongle designed to add high-speed wireless connectivity to Windows-based PCs and laptops . Key Features In this 2,500+ word guide, we will walk

When the desktop reloaded, the Bluetooth icon in the taskbar was solid.

If your package included a mini-CD and your PC has an optical drive, you can use the files located there. UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual

#!/usr/bin/env php [2026-03-07 19:15:34] Checking for writable cache directories... [2026-03-07 19:15:34] ✓ Found writable directory: /code/sites/default/files/private/cache [2026-03-07 19:15:34] Using cache directory: /code/sites/default/files/private/cache [2026-03-07 19:15:34] =========================================== [2026-03-07 19:15:34] MTI Productions Cache Generator [2026-03-07 19:15:34] =========================================== [2026-03-07 19:15:34] Starting cache generation at 2026-03-07 19:15:34 [2026-03-07 19:15:35] ✓ Connected to MTI Productions database [2026-03-07 19:15:35] ✓ Connected to Drupal database [2026-03-07 19:15:35] Generating node ID to Encore ID mapping... [2026-03-07 19:15:35] ✓ Mapped 515 nodes for US [2026-03-07 19:15:35] ✓ Mapped 421 nodes for UK [2026-03-07 19:15:35] ✓ Mapped 462 nodes for AU [2026-03-07 19:15:35] Writing node mapping cache (531 mappings) to: /code/sites/default/files/private/cache/mti_node_mapping_cache.json [2026-03-07 19:15:35] ✓ Saved node mapping cache (531 mappings) successfully (12286 bytes) [2026-03-07 19:15:35] Generating shows cache... [2026-03-07 19:15:50] ✓ Cached 370 shows for US [2026-03-07 19:16:05] ✓ Cached 317 shows for UK [2026-03-07 19:16:24] ✓ Cached 340 shows for AU [2026-03-07 19:16:24] Writing shows cache (1027 shows across 3 regions) to: /code/sites/default/files/private/cache/mti_shows_cache.json [2026-03-07 19:16:24] ✓ Saved shows cache (1027 shows across 3 regions) successfully (166039 bytes) [2026-03-07 19:16:24] Generating productions cache... [2026-03-07 19:16:24] ✓ Retrieved 28979 active productions [2026-03-07 19:16:24] ✓ Retrieved 28985 total productions (including past) [2026-03-07 19:16:24] Writing productions cache (28979 active, 28985 total) to: /code/sites/default/files/private/cache/mti_productions_cache.json [2026-03-07 19:16:27] ✓ Saved productions cache (28979 active, 28985 total) successfully (48586590 bytes) [2026-03-07 19:16:27] Attempting to write metadata to: /code/sites/default/files/private/cache/mti_cache_metadata.json [2026-03-07 19:16:27] ✓ Metadata saved successfully (2695 bytes) [2026-03-07 19:16:27] ✓ Cache generation completed in 52.24 seconds [2026-03-07 19:16:27] =========================================== [2026-03-07 19:16:27] Cache Generation Summary: [2026-03-07 19:16:27] - Node Mappings: 531 [2026-03-07 19:16:27] - Shows (US): 370 [2026-03-07 19:16:27] - Shows (UK): 317 [2026-03-07 19:16:27] - Shows (AU): 340 [2026-03-07 19:16:27] - Active Productions: 28979 [2026-03-07 19:16:27] - Total Productions: 28985 [2026-03-07 19:16:27] =========================================== [2026-03-07 19:16:27] ✓ Cache generation completed successfully!