如果您的 Windows 11/10 台式电脑或笔记本电脑屏幕亮度随机闪烁或在电池供电时闪烁，那么这篇文章就如何解决此问题提出了建议。我最近买了一台新电脑，遇到了这个问题。虽然我准备这篇文章时要记住戴尔(Dell)笔记本电脑，但这也适用于惠普、联想(Lenovo)、宏碁(Acer)和其他电脑。
Windows电脑屏幕亮度闪烁
如果您的计算机屏幕偶尔闪烁、跳动或变暗和变亮，您可能会看看这些故障排除建议是否对您有帮助。其中一些可能适用于台式机(Desktop)，其中一些可能适用于笔记本电脑。
首先(First)，尝试确定您何时遇到此问题，何时使用电池(Battery)电源、交流电源适配器或两种情况。是针对特定电源计划还是针对所有电源计划？另外，请检查当您进入BIOS并处于安全模式(Safe Mode)时是否会发生这种情况。你的电池很旧吗？掌握这些信息可能会对您有所帮助。
您可以按任何顺序尝试这些步骤。选择您认为适用于您的场景并且更有可能帮助您的那些。
- 更新显卡驱动
- 卸载并重新安装显示(Display)驱动程序
- 恢复默认电源计划
- 更改显示器刷新率
- 禁用戴尔智能显示器
- 禁用英特尔节能技术(Intel Power Saving Technology)
- 检查第三方软件问题
- 运行硬件疑难解答
- 在干净启动状态下进行故障排除
- 检查是否是硬件问题
- 调整一些显示设置。
1]更新图形驱动程序
Press Ctrl+Win+Shift+B重新启动图形驱动程序，看看它是否有帮助。如果没有，请访问制造商的网站(visit the manufacturer’s website)并为您的型号更新视频和图形驱动程序(update your video and graphic drivers)。
2]卸载(Uninstall)并重新安装显示(Display)驱动程序
如果更新没有帮助，请卸载并重新安装视频(Video)驱动程序。
- 以安全模式启动 Windows(Boot Windows in safe mode)。
- 右键单击(Right-click)开始(Start)按钮并选择设备管理器(Device Manager)。
- 展开显示适配器部分
- 右键单击列出的适配器
- 选择卸载设备
- 选中删除(Delete)此设备的驱动程序软件复选框
- 然后再次选择卸载
- 重新启动您的电脑。
PC 重新启动后，运行 Windows 更新(Run Windows Update)并安装可能提供的可用驱动程序更新。
阅读(Read)：电脑(Computer)屏幕看起来褪色或褪色的显示器屏幕。
3]恢复默认电源计划
打开Control Panel\All Control Panel Items\Power Options\Edit Plan Settings并通过单击恢复此计划的默认设置来(Restore default settings for this plan)恢复默认电源计划设置。为您的所有电源计划执行此操作。
4]更改显示器刷新率
更改显示器刷新率，看看是否有帮助。
5]禁用戴尔智能显示
打开我的戴尔(My Dell)并为您的显示器(Monitor)运行 PC 检查(Run PC Checkup)。如果检测到任何问题，请按照其说明解决问题。
在控制面板(Control Panel)中打开电源选项(Power Options)，然后从左侧选择戴尔延长电池寿命选项(Dell Extended Battery Life Options)。
电池表(Battery Meter)设置框将打开。取消选中启用戴尔智能显示(Enable Dell Intelligent Display)。单击应用并退出。
看看这是否有帮助。
6 ]禁用英特尔省电技术(] Disable Intel Power Saving Technology)
如果您的笔记本电脑使用Intel处理器，请禁用Intel Power Saving Technology。您将在Dell或Vaio 控制中心(Vaio Control Center)获得此设置。在开始屏幕(Start Screen)搜索中，键入Intel HD Graphics Control Panel并按Enter 键(Enter)将其打开。单击(Click)电源Power >使用电池(Battery)。
您将看到显示节电技术(Display Power Saving Technology)。禁用它，单击应用(Apply)并重新启动计算机。
7]检查(Check)第三方软件问题
Norton AV、iCloud 和IDT Audio是已知会导致Windows屏幕闪烁的三个应用程序。检查您是否安装了它们。如果您的计算机屏幕在升级 Norton 后闪烁，请参阅此帖子。
8]运行硬件疑难解答
运行硬件疑难解答，看看它是否对您有帮助。
9]在干净启动状态下进行故障排除
打开任务管理器(Open the Task Manager)。如果任务管理器(Task Manager)与屏幕上的其他所有内容一起闪烁，则您的显示驱动程序可能是罪魁祸首。因此您需要更新(update)或回滚驱动程序。
如果在屏幕的其余部分闪烁时任务管理器(Task Manager)不闪烁，则可能是不兼容的应用程序导致了问题。
在干净启动状态下进行故障排除(Troubleshoot in Clean Boot State)以识别违规者并卸载程序(uninstall the program)。
10]检查是否是硬件问题
如果整个屏幕闪烁，则可能是驱动程序问题，但如果只有角落或部分闪烁，则可能是硬件问题。您可能需要将其交给硬件工程师并进行检查。
11]调整一些显示设置
您可以尝试以下解决方法，帮助一些人解决他们的 Windows 11 屏幕闪烁问题：
- 打开 Windows 11 设置
- 打开个性化设置
- 选择背景
- 设置(Set)背景纯色(Solid)或图片。不要使用幻灯片
- 接下来，单击 Colors 并将Accent Color设置为Manual。
- 您也可以从辅助功能设置中(Accessibility settings)禁用动画效果，看看是否有帮助。
其他资源：
- 如果您的屏幕在 Surface Book 上闪烁，这篇文章将为您提供帮助。
- 如何清除(clear the Display cache)Windows中的显示缓存
- 玩游戏时屏幕变暗(Screen dims when playing games)
- 如果Windows 亮度不工作或自动更改(Windows Brightness not working or changes automatically)，请参阅此帖子。
让我们知道这些是否有助于您解决笔记本电脑屏幕闪烁问题，或者您是否有任何其他建议。
Windows computer screen brightness flickering or flashing
If your Windows 11/10 desktop сomputer or laptop screen brightness іs flickering randomly or when on battery power, then this post suggests methods on how to resolve this problem. I recently bought a new computеr and was facing this issue. Although I have prepared this post keeping in mind a Dell laptop, this could work for HP, Lenovo, Acer, and other cоmputers tоo.
Windows computer screen brightness flickering
If your computer screen flickers, pulsates or dims and brightens every once in a while, you may see if any of these troubleshooting suggestions help you. Some of them may apply to a Desktop and some of them may apply to a laptop.
First of all, try and identify when you face this issue, when on Battery power, mains AC adapter, or in both scenarios. Is it for a particular power plan or all power plans? Also, check if this happens when you enter BIOS and in Safe Mode too. Is your battery very old? Having this bit of information may help you.
You may try these steps in any order. Select the ones which you think apply to your scenario and are more likely to help you.
- Update Graphics Driver
- Uninstall and reinstall the Display driver
- Restore default Power plan
- Change the Monitor Refresh Rate
- Disable Dell Intelligent Display
- Disable Intel Power Saving Technology
- Check third-party software issues
- Run Hardware Troubleshooter
- Troubleshoot in Clean Boot State
- Check if it is a hardware issue
- Tweak some Display settings.
1] Update Graphics Driver
Press Ctrl+Win+Shift+B to restart the graphics driver and see if it helps. If not, then all visit the manufacturer’s website and update your video and graphic drivers, for your model.
2] Uninstall and reinstall the Display driver
If updating does not help, uninstall, and reinstall the Video drivers.
- Boot Windows in safe mode.
- Right-click the Start button and select Device Manager.
- Expand the Display adapters section
- Right-click the listed adapter
- Select Uninstall device
- Select the Delete the driver software for this device check box
- Then again select Uninstall
- Restart your PC.
After your PC restarts, Run Windows Update and install the available driver update that may be offered.
Read: Computer screen looks washed out or Fading monitor screen.
3] Restore default Power plan
Open Control Panel\All Control Panel Items\Power Options\Edit Plan Settings and restore the default power plan settings by clicking on Restore default settings for this plan. Do this for all your Power Plans.
4] Change the Monitor Refresh Rate
Change the Monitor Refresh Rate and see if that helps.
5] Disable Dell Intelligent Display
Open My Dell and Run PC Checkup for your Monitor. If any issues are detected, follow its instructions to address the issue.
Open Power Options in Control Panel, and from the left side, select Dell Extended Battery Life Options.
The Battery Meter settings box will open. Uncheck Enable Dell Intelligent Display. Click Apply and Exit.
See if this helps.
6] Disable Intel Power Saving Technology
If your laptop used Intel processors, disable the Intel Power Saving Technology. You will get this setting in your Dell or Vaio Control Center. From the Start Screen search, type Intel HD Graphics Control Panel and hit Enter to open it. Click on Power > On Battery.
You will see Display Power Saving Technology. Disable it, click Apply and restart your computer.
7] Check third-party software issues
Norton AV, iCloud, and IDT Audio are three apps that are known to cause screen flickering in Windows. Check if you have them installed. See this post if your computer screen is flickering after upgrading Norton.
8] Run Hardware Troubleshooter
Run the Hardware Troubleshooter and see if it helps you.
9] Troubleshoot in Clean Boot State
Open the Task Manager. If the Task Manager flickers along with everything else on the screen, your display driver could be the culprit. You thus need to update or rollback the driver.
If Task Manager doesn’t flicker while the rest of the screen is flickering, an incompatible app could be causing the problem.
Troubleshoot in Clean Boot State to identify the offender and uninstall the program.
10] Check if it is a hardware issue
If the whole screen flickers it is likely a driver issue, but if only a corner or a part flickers, it could be a hardware issue. You may need to take it to a hardware engineer and get it checked.
11] Tweak some Display settings
You may try the following workaround that has helped some resolve their Windows 11 screen flickering issue:
- Open Windows 11 Settings
- Open Personalization settings
- Select Background
- Set the background Solid color or Picture. Do not use Slideshow
- Next, click on Colors and set Accent Color to Manual.
- You may also disable Animation Effects from Accessibility settings and see if that helps.
Other resources:
Let us know if any of these helped you fix your laptop screen flickering issue, or if you have any other suggestions to make.
