The Windows “Device Cannot Start (Code 10)” message appears in Device Manager when Windows detects a piece of hardware but cannot initialize it properly. It can affect USB drives, Bluetooth adapters, network cards, audio devices, graphics cards, printers, webcams, and other peripherals, often leaving the device unavailable even though it is physically connected.
This error can come from a faulty or incompatible driver, a bad USB port or cable, power management settings, corrupted system files, BIOS or firmware issues, registry problems, or failing hardware. Because the cause is not always obvious, the best approach is to work through simple checks first before moving on to driver reinstallations, system repair tools, and deeper hardware troubleshooting.
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What Does “Device Cannot Start Code 10” Mean?
The Windows message “This device cannot start. (Code 10)” is a Device Manager error that appears when Windows detects a hardware device but cannot initialize it successfully. In practical terms, Windows knows the device is present, but the driver, firmware, connection, or hardware is not responding in the way Windows expects. You may see it on USB flash drives, external hard drives, Wi-Fi or Ethernet adapters, Bluetooth devices, audio interfaces, webcams, printers, graphics cards, touchpads, and other internal or external peripherals.
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Code 10 is a broad status message rather than a single, precise diagnosis. It can be triggered by a corrupted or incompatible driver, a failed driver update, missing chipset or USB controller support, power delivery problems, a damaged cable or port, incorrect BIOS or UEFI settings, outdated firmware, or a failing device. For example, a USB audio interface may show Code 10 if it is connected through an underpowered hub, while a network adapter may show it after Windows installs a generic driver that does not fully support the hardware.
It is also different from errors where Windows cannot see the device at all. With Code 10, the device has usually been detected at some level, but startup fails during driver loading or hardware initialization. That distinction matters because the best troubleshooting path is not always to replace the device immediately. In many cases, reconnecting the device, using another port, installing the correct manufacturer driver, removing a bad driver package, updating Windows, or resetting related controllers can restore normal operation.
Where Code 10 commonly appears
- USB devices: flash drives, external disks, card readers, webcams, controllers, and audio interfaces.
- Network hardware: Wi-Fi cards, Ethernet adapters, Bluetooth radios, and USB network dongles.
- Audio devices: onboard sound chips, HDMI audio, headsets, DACs, microphones, and studio interfaces.
- Graphics hardware: dedicated GPUs, integrated display adapters, and external GPU docks.
- System components: chipset devices, storage controllers, biometric readers, and ACPI-related hardware.
Because the message is generic, the surrounding context is useful. If Code 10 appeared immediately after a Windows update, driver update, BIOS change, power outage, hardware installation, or physical drop, that event can point to the most likely fix. The sections that follow move from low-risk checks to deeper driver, system, firmware, and hardware troubleshooting so you can narrow down whether the problem is software-related or the device itself has failed.
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Common Causes of Code 10 Device Manager Errors
A Code 10 error appears when Windows can see a device but cannot initialize it correctly. In Device Manager, this often shows as “This device cannot start. (Code 10)”, sometimes with extra wording such as “A device which does not exist was specified” or “{Operation Failed} The requested operation was unsuccessful.” The underlying cause can be software-related, hardware-related, or a mismatch between the device, driver, firmware, and Windows version.
Driver problems
The most common cause is a faulty, outdated, incompatible, or partially installed driver. This can happen after a Windows Update, a failed driver installation, a manufacturer utility update, or a recent upgrade from an older Windows version. USB Wi-Fi adapters, Bluetooth dongles, audio interfaces, printers, graphics cards, storage controllers, and card readers are all common examples. If Windows loads a generic driver that does not fully support the device, or if the correct driver files are corrupted, the device may be detected but unable to start.
USB and connection issues
For USB devices, Code 10 can be triggered by a weak connection, damaged cable, failing USB hub, or insufficient power. External hard drives, webcams, audio devices, game controllers, and capture cards may require more stable power than a front-panel USB port or unpowered hub can provide. A USB 3.x device connected through an older hub, a loose USB-C adapter, or a low-quality extension cable can also cause initialization failures. In some cases, Windows keeps a stale device entry from a previous connection and then struggles to start the device when it is plugged into a different port.
Windows system or registry corruption
Code 10 may also come from damaged Windows system files or broken device class registry entries. This is especially common with optical drives, audio devices, USB controllers, and network adapters after uninstalling related software such as VPN clients, virtual audio tools, burning software, phone sync utilities, or security suites. UpperFilters and LowerFilters registry entries, when left behind by old software, can interfere with how Windows loads a device class. Corrupt driver store files or incorrect permissions can produce similar symptoms.
Firmware, BIOS, and compatibility conflicts
Some devices depend on motherboard firmware, chipset drivers, Thunderbolt firmware, storage controller settings, or BIOS options before Windows can use them properly. A network adapter may fail after a BIOS reset disables an onboard controller. A graphics card may show Code 10 if the system firmware is outdated or the card is not fully compatible with the motherboard. NVMe drives, docking stations, PCIe expansion cards, and Thunderbolt devices can also be affected by outdated firmware or missing chipset support.
- Recent Windows updates: A new update can replace a working driver with a less compatible version.
- Conflicting software: VPNs, antivirus tools, virtual machines, RGB utilities, and audio enhancement apps can install filter drivers that interfere with hardware.
- Power management settings: Windows may turn off USB hubs, network adapters, or Bluetooth radios to save power, then fail to restart them cleanly.
- Hardware failure: A damaged USB port, failing adapter, overheating GPU, bad PCIe slot, or defective peripheral can produce Code 10 even with the correct driver.
- Wrong device mode: BIOS settings such as SATA mode, Secure Boot behavior, integrated device toggles, or Thunderbolt security levels can prevent proper startup.
The pattern around when the error started is often the best clue. If Code 10 appeared right after an update, driver replacement is a likely suspect. If it happens only on one USB port or through one dock, the connection path is more likely at fault. If the same device fails on mulle computers, the device itself may be defective. If many unrelated devices fail at once, focus on Windows system files, chipset drivers, BIOS settings, or power delivery rather than a single peripheral.
Quick Checks Before Changing Drivers or Settings
Before uninstalling drivers, editing the registry, or changing BIOS options, rule out simple connection and state issues. A Code 10 error can appear after a loose USB plug, a failed resume from sleep, a drained peripheral, or a device that initialized before Windows was ready. These checks are quick, low-risk, and often fix USB devices, network adapters, audio interfaces, printers, Bluetooth dongles, webcams, storage readers, and other peripherals without deeper repairs.
Restart Windows and reconnect the device
Start with a full restart, not just sleep or hibernation. Save your work, shut the PC down completely, wait about 30 seconds, then turn it back on. If the device is external, unplug it before powering the computer back on, then reconnect it after Windows has finished loading. For USB hardware, avoid reconnecting through a hub at first; plug it directly into a port on the computer. On a desktop, try a rear motherboard USB port instead of a front-panel port, since front ports and extension cables can be less reliable for devices that need stable power.
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- Audio hardware: Disconnect extra speakers, headsets, docks, and HDMI audio devices, then test only the affected device.
- Network adapters: Reseat the Ethernet cable, test another cable, or move a USB Wi-Fi adapter to another port.
- Graphics cards and internal cards: Power off the PC, disconnect power, and make sure the card is firmly seated if you are comfortable opening the case.
Check Device Manager status carefully
Open Device Manager, expand the category for the affected hardware, then double-click the device and read the message under Device status. Confirm that the error is actually “This device cannot start. (Code 10)”, since other Device Manager codes point to different fixes. Also check whether the same device appears more than once, appears under Other devices, or shows up as an unknown device. Duplicate entries can happen after docking, switching ports, or failed driver installs.
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From the Device Manager menu, select View and then Show hidden devices. If you see faded entries for old versions of the same peripheral, that can indicate Windows is holding onto stale device instances. At this stage, do not remove anything yet unless you are sure it belongs to the affected hardware. The goal is to identify whether Windows detects the device consistently and whether the error follows the device when you change ports or cables.
Isolate the device from docks, hubs, and conflicting peripherals
If the device connects through a USB hub, Thunderbolt dock, monitor USB passthrough, KVM switch, capture box, or docking station, bypass that hardware and connect directly to the computer. Docks and hubs can cause Code 10 errors when their firmware, power delivery, or USB controller has trouble enumerating the device. Disconnect other nonessential peripherals as well, especially external drives, game controllers, MIDI devices, webcams, and wireless receivers, then test the problem device by itself.
For battery-powered peripherals, charge the device fully or replace the batteries. For hardware with its own power adapter, such as audio interfaces, external drives, scanners, and some USB hubs, confirm that the adapter is connected and rated correctly. If possible, test the device on another Windows PC. If it fails with Code 10 on mulle computers, the device, cable, firmware, or power supply is more suspect. If it works elsewhere, the issue is more likely tied to the original PC’s port, controller, Windows configuration, or installed software.
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Update, Roll Back, or Reinstall the Device Driver
If the basic checks do not clear the “Device Cannot Start (Code 10)” error, the next step is to work on the device driver. A driver is the software layer Windows uses to communicate with hardware such as USB controllers, Wi-Fi adapters, Bluetooth radios, audio chipsets, webcams, printers, graphics cards, and storage devices. If that driver is corrupted, outdated, incompatible with your Windows build, or replaced by the wrong generic version, Device Manager may show Code 10 even though the hardware is physically connected.
Update the driver from Device Manager or the manufacturer
Open Device Manager, right-click the problem device, and choose Update driver. You can select Search automatically for drivers to let Windows check its local driver store and Windows Update. This works well for common devices such as keyboards, mice, USB hubs, basic audio devices, and many network adapters. After the update finishes, restart the PC and check whether the yellow warning icon is gone.
For graphics cards, advanced audio interfaces, gaming peripherals, chipset devices, storage controllers, and newer Wi-Fi or Bluetooth adapters, it is often better to download the driver directly from the manufacturer. Use the support page for your PC model if it is a laptop or prebuilt desktop. For custom PCs, use the motherboard vendor for chipset, LAN, audio, Bluetooth, and USB drivers, and use NVIDIA, AMD, or Intel for display drivers. Match the driver to your exact Windows version, such as Windows 10 64-bit or Windows 11, and avoid random driver download sites.
Roll back a driver after a recent update
If Code 10 appeared right after a Windows Update, GPU driver update, audio driver change, or vendor utility installation, the newest driver may not be the best one for your system. In Device Manager, right-click the affected device, open Properties, go to the Driver tab, and select Roll Back Driver if the button is available. Choose a reason, confirm, and restart. This is especially useful for network adapters that stop starting after a feature update, audio devices that disappear after an OEM driver package, or graphics cards that fail with a newly released driver.
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If updating or rolling back does not help, remove the device from Windows and let it be detected again. In Device Manager, right-click the device and select Uninstall device. If you see Attempt to remove the driver for this device or Delete the driver software for this device, use it when you suspect the installed driver package is damaged or incorrect. Restart the computer, then reconnect the device if it is external. Windows should reinstall a driver automatically, or you can install the manufacturer’s driver package manually.
- USB devices: Uninstall the device and, if needed, uninstall related entries under Universal Serial Bus controllers, then restart so Windows rebuilds the USB stack.
- Network adapters: Download the correct driver before uninstalling, especially if the PC may lose internet access after removal.
- Audio devices: Reinstall both the audio driver and any required chipset or HDMI audio driver for the motherboard or graphics card.
- Graphics cards: Use the vendor installer’s clean installation option when available, particularly after swapping GPUs.
After reinstalling, return to the device’s Properties window and check Device status. If it still reports Code 10, test a different driver version rather than repeatedly installing the same package. For laptops and branded desktops, an older OEM driver can sometimes work better than the latest generic driver because it may include device-specific power management, firmware, or hardware ID support.
Run Windows Troubleshooters and System Repair Tools
If updating or reinstalling the driver does not clear the Device Cannot Start (Code 10) message, use Windows’ built-in repair tools to check for configuration problems, damaged system files, service failures, and update-related issues. These tools are especially useful when Code 10 appears after a Windows update, a failed driver installation, a sudden shutdown, or a device change involving USB controllers, Bluetooth adapters, network cards, audio devices, storage controllers, or graphics hardware.
Run the relevant Windows troubleshooter
On Windows 11, open Settings > System > Troubleshoot > Other troubleshooters. On Windows 10, go to Settings > Update & Security > Troubleshoot > Additional troubleshooters. Run the troubleshooter that matches the failing device. For example, use Network Adapter for Ethernet or Wi-Fi Code 10 errors, Playing Audio for sound cards and USB headsets, Bluetooth for Bluetooth radios, and Printer for printers or multifunction devices. If a USB device is failing, also try the Hardware and Devices troubleshooter, which is hidden on some newer Windows builds.
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To launch the Hardware and Devices troubleshooter manually, press Windows + R, enter msdt.exe -id DeviceDiagnostic, and press Enter. Follow the prompts and apply any suggested fixes. After the scan finishes, restart the PC and check Device Manager again. If the device still shows Code 10, right-click it, select Properties, and read the message on the General tab. A wording such as “a device which does not exist was specified” can point to a disconnected device, bad port, storage controller issue, or driver mismatch.
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Repair Windows system files
Corrupted Windows components can stop device drivers from loading correctly. Open Command Prompt or Windows Terminal as administrator, then run these commands one at a time:
- sfc /scannow
- DISM /Online /Cleanup-Image /RestoreHealth
The SFC scan checks protected Windows files and replaces damaged copies where possible. The DISM command repairs the Windows component store that SFC relies on. If either tool reports that it repaired files, restart the computer before testing the device again. For stubborn Code 10 cases involving display adapters, chipset devices, USB controllers, or audio endpoints, run SFC once more after DISM completes, then reinstall the affected driver from the PC, motherboard, or device manufacturer’s support page.
Check Windows Update and optional drivers
Open Settings > Windows Update and install pending cumulative updates, servicing stack updates, and firmware updates. Then check Advanced options > Optional updates > Driver updates. Optional drivers can help when Windows lacks a compatible driver for a network adapter, touchpad, monitor, card reader, or USB controller. Use them carefully: if your current device driver came from NVIDIA, AMD, Intel, Realtek, Qualcomm, Dell, HP, Lenovo, ASUS, MSI, or another hardware vendor, the vendor’s current package is often the better choice.
After using these repair tools, fully shut down the PC rather than only restarting it. For a desktop, power it off, unplug it for 30 seconds, then reconnect it. For a laptop, shut it down and disconnect docks, hubs, external drives, and nonessential USB devices before powering it back on. This clears many temporary device initialization failures and gives Windows a clean chance to detect the hardware again.
Check USB, Power, BIOS, and Hardware Compatibility Issues
If driver repairs and Windows system tools do not clear a Code 10 error, look beyond Device Manager and check the connection path between the hardware and the PC. This is especially useful for USB devices, external drives, webcams, audio interfaces, Bluetooth adapters, network dongles, docking stations, capture cards, and graphics cards. A device can have a valid driver but still fail to start if it is not receiving stable power, is connected through a faulty hub, uses an incompatible port, or is blocked by firmware settings.
Check USB ports, cables, hubs, and power delivery
For USB hardware, connect the device directly to the computer instead of through a hub, dock, monitor USB port, keyboard passthrough, or front-panel case port. Try a different USB port, preferably one on the rear I/O panel of a desktop motherboard. If the device supports USB-C, test another cable; many USB-C cables are charge-only or do not support the data mode required by storage devices, displays, and audio hardware. For external hard drives, scanners, MIDI controllers, and capture devices, use the original power adapter or a powered USB hub that can supply enough current.
- Test the same device on another computer to see whether the Code 10 follows the device.
- Test another known-working device in the same port to check whether the port is the problem.
- Disconnect other high-power USB devices, then restart and reconnect only the affected device.
- For laptops, unplug AC power, shut down, remove connected devices, wait a minute, then start again and reconnect the device.
Adjust Windows power management for USB and network hardware
Windows can turn off USB controllers, Bluetooth radios, Wi-Fi adapters, and Ethernet adapters to save power. If the device fails to wake correctly, Device Manager may show Code 10. Open Device Manager, expand Universal Serial Bus controllers, then open each USB Root Hub or Generic USB Hub. On the Power Management tab, clear Allow the computer to turn off this device to save power. Do the same for the affected network adapter, Bluetooth adapter, or wireless card if that tab is available. You can also open Control Panel > Power Options > Change plan settings > Change advanced power settings and set USB selective suspend setting to Disabled for testing.
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Firmware settings can prevent hardware from initializing before Windows loads. Restart the PC and enter BIOS or UEFI using the key shown at startup, commonly F2, Delete, Esc, or F10. Check that onboard devices such as audio, Wi-Fi, Bluetooth, LAN, Thunderbolt, and integrated graphics are enabled. If the Code 10 affects a graphics card, storage controller, Thunderbolt dock, or PCIe expansion card, look for settings related to PCIe mode, Thunderbolt security, Above 4G Decoding, Secure Boot, CSM/Legacy mode, and integrated versus dedicated graphics. If you recently changed firmware settings, load optimized defaults, save, restart, and test again.
Also check the PC or motherboard manufacturer’s support page for BIOS, chipset, Thunderbolt, USB controller, Intel Management Engine, AMD chipset, or docking-station firmware updates. Install these carefully and only use updates intended for your exact model. Firmware updates can fix Code 10 errors caused by controller bugs, newly unsupported devices, sleep-resume failures, and compatibility problems after a Windows feature update.
Check physical compatibility and hardware health
For internal cards, shut down the PC, switch off the power supply, and reseat the hardware if you are comfortable working inside the case. Make sure a graphics card has all required PCIe power connectors attached, a PCIe Wi-Fi or sound card is fully seated, and no adapter is loose. Try another PCIe slot if available. For older peripherals, confirm that the manufacturer supports your version of Windows, especially when moving from Windows 10 to Windows 11 or from 32-bit to 64-bit drivers. If the same device shows Code 10 on mulle computers, or if it repeatedly disconnects, overheats, or is not detected in BIOS/UEFI, the device itself may be failing and replacement is usually the most practical fix.
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If Device Manager still shows “This device cannot start. (Code 10)” after driver updates, reinstalling the device, changing USB ports, checking power settings, and running Windows repair tools, narrow the problem down to one of three areas: Windows configuration, firmware/platform compatibility, or failing hardware. At this stage, avoid repeatedly installing random driver packages. Instead, test in a controlled way so you can identify whether the device, the computer, or the Windows installation is responsible.
Test the device outside the current Windows setup
For USB devices, external audio interfaces, printers, webcams, Bluetooth adapters, storage readers, and similar peripherals, connect the device to another computer. If it also fails there, the device itself may be defective or incompatible with current versions of Windows. If it works normally on another PC, focus back on the original machine. For internal hardware such as a Wi-Fi card, sound card, capture card, or graphics card, try another slot if available, reseat the component, and inspect for loose cables, dust, bent pins, or signs of overheating.
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- USB devices: test a different cable, avoid unpowered hubs, and try a rear motherboard USB port on a desktop.
- Network adapters: remove VPN clients, old virtual adapters, or security software that may have installed filter drivers.
- Audio hardware: check whether HDMI audio, Realtek audio, USB audio, and Bluetooth audio devices are conflicting.
- Graphics cards: verify PCIe power connectors, monitor cables, BIOS display settings, and power supply capacity.
Remove conflicting devices and hidden driver entries
Old hardware profiles can leave behind driver entries that interfere with the current device. In Device Manager, use View > Show hidden devices, then look under categories such as Universal Serial Bus controllers, Network adapters, Sound, video and game controllers, and Bluetooth. Uninstall greyed-out entries only when you recognize them as old, duplicate, or unused hardware. After uninstalling, restart Windows and reconnect the affected device so Windows rebuilds the device entry.
If the Code 10 error appeared after a major Windows update, feature upgrade, BIOS update, or driver utility scan, use System Restore if a restore point is available. You can also check the device maker’s support page for a firmware updater or a known compatibility advisory. This is especially relevant for USB docks, external SSD enclosures, Thunderbolt devices, wireless adapters, audio interfaces, and older graphics cards.
Check advanced Windows and registry-related issues carefully
Some Code 10 errors are tied to broken filter drivers or invalid device class entries in the registry. This is more common with optical drives, audio software, VPN clients, phone sync tools, security suites, and virtualization software. If a vendor provides a cleanup utility, use that before editing the registry manually. For example, completely removing an old VPN, audio driver suite, chipset package, or device management tool may clear the conflict without risky manual changes.
If you are comfortable with advanced recovery work, back up the registry and create a restore point before changing any device class keys. Do not delete registry values blindly from online instructions unless they match your exact device class and error pattern. A safer route is often an in-place repair install of Windows, which keeps personal files and apps while replacing damaged Windows components. If the device still reports Code 10 after working drivers, firmware checks, a repair install, and testing on another computer, treat it as a probable hardware failure or permanent compatibility issue and replace the device with a model that explicitly supports your version of Windows.
Frequently Asked Questions
Does Code 10 mean my device is physically broken?
Not always. Code 10 means Windows found the device but could not start it, which can happen because of a bad driver, a failed Windows update, USB power issues, firmware incompatibility, or damaged hardware. Test the device on another port or another computer before assuming it needs to be replaced.
Should I update, roll back, or uninstall the driver first?
If the problem started after a driver or Windows update, try rolling back the driver in Device Manager first. If there is no rollback option, uninstall the device and restart Windows so it can reinstall the driver. If Windows installs a generic driver that does not work, download the latest driver directly from the PC, motherboard, or device manufacturer.
How do I fix Code 10 for a USB device that keeps failing?
Unplug the device, restart the PC, and connect it directly to a different USB port instead of using a hub or dock. In Device Manager, uninstall the failed USB device and any related USB controller entries, then reboot. Also check Power Management settings for USB Root Hubs and disable “Allow the computer to turn off this device to save power” if the device disconnects or fails after sleep.
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Can a BIOS or firmware update fix a Code 10 error?
Yes, especially for newer graphics cards, network adapters, storage controllers, USB-C docks, Bluetooth devices, and audio chipsets. A BIOS or UEFI update can improve hardware detection and compatibility, while device firmware updates can fix startup failures. Only install firmware from the manufacturer and avoid interrupting the update process.
What should I do if Code 10 still appears after reinstalling drivers?
Run Windows Update, the Hardware and Devices troubleshooter if available, and system repair commands such as System File Checker and DISM. Check whether the device works in another PC or whether another similar device works in your PC. If the error follows the device, the hardware is likely faulty; if it only happens on one computer, suspect the port, chipset driver, BIOS settings, power delivery, or Windows installation.
Bottom Line
The “Device Cannot Start (Code 10)” error usually points to a driver, connection, power, firmware, or hardware communication problem, so the best fix is to work from simple checks to deeper troubleshooting. Start by reconnecting the device, trying another port or cable, restarting Windows, and updating or reinstalling the driver through Device Manager or the manufacturer’s website.
If the error continues, move on to device-specific steps such as checking USB power settings, resetting network or audio components, updating BIOS or chipset drivers, and inspecting hardware for failure. When mulle fixes fail or the device is not detected on another computer, the next step is likely replacement, warranty support, or professional repair.
Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Quick Recap
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