Windows要求喚醒后輸入密碼是出于安全考慮，該功能默認(rèn)開啟以防止未經(jīng)授權(quán)的訪問，用戶可通過修改電源設(shè)置中的“喚醒時要求密碼”選項關(guān)閉此功能；此外，F(xiàn)ast Startup、網(wǎng)絡(luò)驅(qū)動器或憑據(jù)管理器及過時的驅(qū)動程序或BIOS也可能導(dǎo)致額外的身份驗證提示，分別通過禁用Fast Startup、正確配置網(wǎng)絡(luò)連接和更新驅(qū)動程序可解決這些問題。

If you're wondering why Windows keeps asking for your password after waking from sleep, the short answer is: it's a security feature. By default, Windows requires re-authentication after certain low-power states to protect your device if someone else tries to use it while you're away.

Here’s a closer look at what’s going on and how you can manage it.

1. Windows Security Settings Require Re-Login After Sleep

By design, Windows treats waking from sleep like unlocking a locked computer. This behavior helps prevent unauthorized access—especially important on laptops or shared devices.

You can check or change this in:

• Settings > System > Power > Additional power settings > Choose when to turn off the display
• Then click "Change advanced power settings"
• Look under "Require a password on wake"

If it’s set to "Yes", that’s why you’re being asked for a password.

? Tip: If you want to skip the password prompt, change this setting to "No". But be aware of the security trade-off.

2. Fast Startup Can Sometimes Cause Unexpected Behavior

Windows has a feature called Fast Startup, which is a hybrid shutdown mode designed to make booting faster. In some cases, especially after updates or driver changes, this can interfere with session management and cause unexpected logins or prompts.

To disable Fast Startup (and possibly fix login issues):

• Open Control Panel > Power Options > Choose what the power buttons do
• Click "Change settings that are currently unavailable"
• Uncheck "Turn on fast startup"
• Save changes and restart

This might help stabilize login behavior after sleep, especially on systems with hardware compatibility quirks.

3. Network Drives or Credential Managers May Trigger Extra Prompts

If your system connects to network drives or services that require authentication, waking from sleep may cause those connections to drop or time out. When they try to reconnect automatically, Windows might prompt you for credentials again.

Common causes:

• Network shares mapped without the “remember me” option
• Credential Manager entries that have expired or been cleared
• Corporate environments using domain accounts or sync tools

To reduce these prompts:

• Make sure network drives are set to reconnect at sign-in
• Use Credential Manager to store network passwords securely
• Avoid auto-connecting to unreliable or frequently changing networks

4. Outdated Drivers or BIOS Can Also Be a Factor

Sometimes, the issue isn’t Windows itself but outdated drivers or BIOS firmware. Graphics cards, power management chips, and network adapters often play a role in how your PC handles sleep and resume operations.

Check for updates from your device manufacturer:

• Go to the official website of your laptop/desktop brand
• Search by model number for latest BIOS and driver updates
• Pay attention to chipset, power, and display drivers

Updating these can resolve glitches related to sleep, wake, and login behavior.

Generally speaking, Windows asking for a password after sleep is normal—and secure. If you'd rather skip it, adjusting the power settings is usually enough. But if the behavior feels erratic or new, it’s worth checking drivers, Fast Startup, or network-related triggers.

基本上就這些。

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