Check Whether the USB Connection Actually Dropped
If Ledger Live becomes unavailable after inactivity on Windows, confirm what changed before blaming USB power saving. A locked signer, sleeping computer and stale application session can produce related messages without representing the same event. The current app is Ledger Wallet.
Inspect the hardware screen and Windows detection result. A device that remains normally identified but requests unlocking needs a different next step from an interface that disappears from Device Manager. The distinction should be recorded before any power-policy change.
Understand the Scope of Selective Suspend
Microsoft’s USB selective suspend reference describes port-level power saving and recommends retaining it in normal operation. The feature does not suspend every port as one identical action, and it is not a universal explanation for every wallet error.
Host hardware, drivers and power configuration affect which controls are exposed. A missing familiar checkbox does not prove your installation is defective. Avoid registry changes intended simply to reproduce another computer’s settings screen.
Collect a Timing Pattern
- Does the failure happen immediately on attachment?
- Does it appear after a quiet interval while the PC stays awake?
- Does it follow screen lock, display shutdown or full sleep?
- Does it occur only through a dock or on a particular power source?
Those observations determine whether an idle or resume investigation is a good fit. If the same initial descriptor error occurs every time, start with the physical path and host detection instead of assuming a successful connection was later suspended.
Run an Idle Comparison with a Known Setup
When the signer is idle, use a suitable direct USB data path and confirm one ordinary device-dependent operation. Then compare behavior after the relevant inactivity event while keeping the cable and requested task consistent.
Do not use an active firmware installation as the test. A Ledger OS update that is progressing should retain its documented connection and host conditions. For a persistent update failure, follow the exact hardware guide before routine power experiments.
Viewing an already loaded portfolio is not equivalent to proving a new hardware exchange. Use the same supported device task for the baseline and later check so the comparison does not confuse cached display data with live communication.
Investigate the Layer That Changed
Hardware Lock
If the device requests its PIN while the USB entry remains healthy, unlock it through its controls. Do not remove the signer’s security settings merely to avoid a normal inactivity lock.
Dock or Host Resume
If the interface vanishes only through a dock, compare an appropriate direct connection and consult the host or dock vendor. Microsoft’s USB-C guidance covers relevant route and power conditions.
Client Session
If detection and hardware readiness are normal but the client remains stale, investigate the ordinary application session when no critical operation depends on it. Closing competing clients or a normal relaunch can be a separate test from changing port power policy.
Use Specific Guidance for Any Setting Test
If an official vendor recommends a temporary power-setting comparison for your configuration, note the original value, change one condition and record the outcome. Follow its restoration instructions. A single improved result does not establish that all USB power management should be disabled indefinitely.
Report the PC model, Windows release, driver or dock context and reproducible timing. That evidence supports a focused investigation instead of a generic disable-everything recipe.
Idle USB Questions
Is Windows Lock the Same as Selective Suspend?
No. The user session, display, system sleep and USB interface have separate states. Identify the event that actually precedes the observed change.
Would a Wallet Reinstall Prove the Power Setting Is Wrong?
No. Reinstallation changes the host application. It does not by itself establish how the port, driver or device behaved during idle time.
Should a Power Utility Need Wallet Secrets?
Power diagnostics do not require a recovery phrase, private key or hardware PIN typed into the computer. Keep those secrets out of utilities and support exchanges.
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