My hp 15 u111dx webt on sleep with the power cable and it's not coming back on.

Hi,

Please do try these troubleshooting steps that may help in solving the issue.
- Start by doing a hard reboot first, remove the battery and unplug the AC adapter then press and hold the power button for 20 seconds then try booting it up again.
- Once back on your regular desktop screen, proceed with changing the Power Options settings.
- Open Power Options and click on Change plan settings then Change advanced power settings on the next screen.
- Expand Hard disk first then set Turn off hard disk after to Never.
- Expand Sleep and set Allow hyrbid sleep to OFF and set Hibernate after to NEVER.
- Click Apply and OK.
- Do open Device Manager next and set your keyboard and Mouse to wake up your PC.
- In Device Manager right click on Mouse/Keyboard and select Power Management.
- Make sure there's a check on Allow this device to wake the computer and click OK.
- Do test your PC again after doing all these changes.