How to fix laptop in sleep mode but when turned back on it won't turn on

Follow the article to know how to check and fix this problem!

1. Check the laptop screen

The first thing to check is whether the laptop screen is working properly or if there is a problem. We can check by turning off the device and then reopening it, if the screen is okay (errors from other components of the machine), but the screen does not turn on, it is highly likely that the screen is damaged. and needs to be repaired.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 1

2. Not allowing the keyboard, mouse to wake up

Another cause is that you may have set up Sleep mode but forgot to allow  the keyboard  and  mouse  to wake up when the machine is in this sleep mode.

To enable allowing the keyboard and mouse to wake up the device while in Sleep mode, follow these instructions:

Click the Windows button > Enter Device Manager > Open.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 2

Double click on Keyboards/Mice and other pointing devices > Right click on keyboard/mouse > Select Properties.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 3

Select the Power Management tab > Tick Allow this device to wake up the computer > OK.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 4

3. Check the keyboard, mouse

To wake up the device from Sleep mode, you need to press any button on the keyboard, press the left mouse button or move the mouse. However, when using the keyboard or mouse to wake up but the machine still does not turn on, you should check these two devices.

With the keyboard, users can try to type text, use function keys, . to check. As for the mouse, you can move the mouse back and forth or click a few times to see if the mouse is working properly.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 5

4. Turn off Sleep, Hibernate

Or if you don't want this situation to happen again, then turn off Sleep mode and  Hibernate mode completely  .

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 6

5. Turn off Fast Startup

The Fast Startup feature   helps to start up the computer faster every time you turn on the computer, restart the computer or exit the Sleep / Hibernate mode. However, when using this feature for a long time, it will cause heavy  RAM  and consume hard drive space, making this feature not work and leading to errors. So we should turn this feature off.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 7

6. Update the computer driver

In the computer, when one or more  drivers are  in the old version, it can cause conflicts with the Windows version or other driver versions. Therefore, users should update all drivers to the latest version.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 8

7. Update Windows

Another cause is most likely the version of Windows you are using is still in the old, outdated version, causing this error. Users need to update Windows to the latest version to fix the problem.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 9

8. Use Troubleshooting to Find Errors

If the above solutions are not the correct solution for you and you cannot find the cause of this error, use Troubleshooting.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 10

9. Customize Settings in Power Options

Besides, you can also customize the settings to allow wake-up when the device is in Sleep mode while charging in Power Options according to the following instructions:

Press the Windows + R key combination to open the Run dialog box > Type powercfg.cpl > OK.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 11

Click on Change plan settings.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 12

Click Change advanced power settings.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 13

Double-click Sleep > Allow wake timers > Select Enable > Click Apply > OK > Restart the computer and check if the error has been successfully fixed.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 14

10. Using Command Prompt

Another solution is to use Command Prompt to fix the error.

Start Command Prompt by clicking the Windows icon > Enter Command Prompt > Open.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 15

Enter the command powercfg –devicequery wake_armed > Enter to allow the computer to be configured to wake up in the sleep state.

Continue to enter the command powercfg –lastwake > Enter to be provided with more information about the events that have occurred after waking the machine from the previous Sleep mode.

How to fix laptop in sleep mode but when turned back on it won't turn on Picture 16

11. Bring the machine to reputable repair centers

If you have tried all of the above and still cannot fix the problem, then take the device to a reputable repair center where there are skilled repairmen for them to solve.

Above are 11 ways to fix the laptop in sleep mode but when turned back on it won't turn on very easily. Thank you for watching and see you in the next posts.

Lesley Montoya

Update 27 July 2021