Dell Vostro 14 5445 AMD Ryzen 5 7535U — Bluetooth Keeps Disconnecting Fix
Dell Vostro 14 5445 • AMD Ryzen 5 7535U • Windows 11 • Follow steps in order until resolved.
The Dell Vostro 14 5445 uses the MediaTek RZ608 (MT7921) Wi-Fi and Bluetooth combo chip. Bluetooth disconnections on this laptop almost always stem from the power management settings forcing the adapter into a low-power state, or from an outdated MediaTek driver that loses the connection under mild radio interference. Work through the steps below in sequence.
Update the MediaTek Bluetooth Driver Most common fix
Open Device Manager, expand Bluetooth, right-click MediaTek Bluetooth Adapter, and select Update driver → Search automatically. If Windows finds nothing, go to Dell Drivers and Downloads, enter your Service Tag, and download the latest MediaTek WLAN+BT combo driver package. Install it and restart the laptop.
Disable Bluetooth Power Management
In Device Manager, right-click the Bluetooth adapter and select Properties → Power Management. Uncheck the option “Allow the computer to turn off this device to save power.” This single setting is responsible for a large share of Bluetooth drop-outs on the Vostro 14 5445, particularly when the laptop is running on battery.
Set Power Plan to Balanced or High Performance
Go to Settings → System → Power & sleep → Additional power settings. Switch from Power saver mode to Balanced or High performance. On AMD Ryzen systems, the Power saver plan can throttle USB and wireless bus power aggressively, causing Bluetooth links to drop even when the power management checkbox is cleared.
Remove and Re-pair the Bluetooth Device
Go to Settings → Bluetooth & devices, click the three-dot menu next to your device, and select Remove device. Then put the peripheral into pairing mode and add it again fresh. Stale pairing data stored from a previous Windows version or driver can cause intermittent disconnections that a fresh pair clears immediately.
Run the Bluetooth Troubleshooter
Go to Settings → System → Troubleshoot → Other troubleshooters and run Bluetooth. The troubleshooter can reset the Bluetooth support service, clear cached device state, and repair registry entries that driver installers sometimes leave incomplete. Restart after the troubleshooter finishes.
MediaTek RZ608 — Known Behavior on AMD Platforms
The RZ608 is a PCIe-attached Wi-Fi 6 and Bluetooth 5.2 combo module. On AMD Ryzen 7000-series platforms, the chip shares PCIe bandwidth with the AMD Radeon integrated graphics in certain low-power states. This can cause brief Bluetooth interruptions when the GPU workload changes. The following steps address this:
- In AMD Software: Adrenalin Edition, go to Performance → Tuning and disable Eco Mode if it is active
- Update the AMD Chipset Driver from AMD.com — chipset updates often include USB and PCIe power management improvements that benefit the RZ608
- If Bluetooth drops specifically when streaming audio, lower the audio quality setting in Windows Bluetooth settings from HD Audio to Standard Quality — this reduces bandwidth pressure on the 2.4 GHz radio
- Keep the laptop at least 30 cm away from microwave ovens, cordless phone bases, and other 2.4 GHz sources during wireless audio use
“My Vostro 14 5445 kept dropping Bluetooth connection to my headset every 20 minutes. Disabling the power management option in Device Manager fixed it completely. I have been using it for weeks without a single disconnect since then.”
— Syafiq Rahman, software developer, Petaling Jaya
Checking the Bluetooth Support Service
Press Win+R, type services.msc, and locate Bluetooth Support Service. Its startup type must be set to Automatic (not Manual or Disabled). If the service is stopped, start it and then set it to Automatic startup. A stopped Bluetooth Support Service prevents new device connections and can cause existing paired devices to drop unexpectedly after a short idle period.
Ryan holds a Computer Science degree and has spent over 15 years troubleshooting Windows hardware and driver issues across major laptop brands. He writes practical, step-by-step guides for everyday users at softwaredriverdownload.com.
Frequently Asked Questions
Why does Bluetooth on the Dell Vostro 14 5445 disconnect when running on battery?
The Power saver plan on AMD Ryzen systems aggressively cuts power to PCIe-attached devices including the MediaTek RZ608 Bluetooth adapter. Switching to the Balanced power plan and disabling the “Allow the computer to turn off this device to save power” option in Device Manager resolves most battery-related Bluetooth drops.
Does updating the Wi-Fi driver also fix Bluetooth on this laptop?
Yes. The MediaTek RZ608 is a combo chip that handles both Wi-Fi 6 and Bluetooth 5.2 through a single driver package. Updating the combined MediaTek WLAN and Bluetooth driver from Dell Drivers and Downloads will apply fixes to both wireless radios simultaneously.
Can I replace the MediaTek RZ608 with an Intel Wi-Fi card for better Bluetooth stability?
The Vostro 14 5445 uses an M.2 2230 slot for the wireless card. Intel AX211 and AX210 modules are physically compatible and generally offer more stable Bluetooth performance. However, check Dell service documentation for your specific unit before swapping, as some configurations use soldered WLAN modules.
Bluetooth keeps disconnecting only when the laptop screen closes. How do I fix this?
Go to Settings → System → Power & sleep → Additional power settings → Choose what closing the lid does. Make sure closing the lid is set to Do nothing for both plugged in and on battery modes. Windows sometimes suspends Bluetooth when it puts the system into a connected standby state triggered by lid close.
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