Hi there,

I recently purchased this E480(i5) just a month ago, and I am having issues with the display not turning back on after key presses.

Problem happens when:

1. Display turned off after idling for 2 minutes (Turn off display after: 2 minutes is set in Windows 10 Power options)

2. Press keyboard or mouse

3. Screen stays black

4. Had to force restart, I do notice that there is significant battery drain in a short amount of time when the display is turned off.

Problem does not happen when:

1. Set "Turn off display after:" to "Never", Leave "Sleep after:" at "15 minutes"

2. Laptop goes to sleep right away after 15 minutes and the power button now blinks.

3. Press keyboard or mouse

4. Laptop wakes up successfully and I am greeted with Windows login screen

Troubleshooting:

- made sure hybrid sleep and hibernation is turned off

- reinstalled intel graphics driver

- updated all driver and bios(1.32)

- Ran hardware scan in Vantage, no issues detected

Windows version: 1809

Anyone has any idea why this is happening? Thanks in advance.

Hi maxim45678.

Thanks for reaching us here in our community forums.

We'd like to further isolate the issue, could you try disabling the fast boot? Here's how:https://support.lenovo.com/us/en/solutions/ht501793

Also, try connecting the laptop to an external monitor and see if you'll experience the same thing.

Kind Regards.

Hello,

Is there any solution for this ? I am experiencing the same problem.

Now i have completelly clean and new Windows 10 installation, all drivers , latest BIOS.

After screen turn off in 2 minutes then PC is done... All i can do is just hard reset laptop. 

I tryied to connect it to external monitor but nothing happend, external monitor didn t react. 

Display is black power button light is on but absolutelly nothing react only hard reset. 

This issue is there for few months already.