screen blank

[-JohnS-]

After booting up if I don't log in the screen goes blank and does not wake up.

[Echo_Lake]

@JohnS
Thank you for posting on the HP Support Community.

Did this happen after a recent window or software update?

Have you tried creating a new power plan?

While you respond to that, let's try this workaround:
Changing a power plan

1. In Windows, search for and open Power Options.

2. In the Choose or customize a power plan window, click Change plan settings next to the plan you want to change.

   Figure: Changing plan settings

   

3. On the Change settings for the plan window, choose the display and sleep settings you want to use.

4. To change more power settings, click Change advanced power settings.

   Figure: Changing the display and sleep settings

   

5. On the Advanced settings tab, expand the category you want to customize, expand each setting you want to change, then choose the values you want to use.

   Figure: Changing the advanced power settings

   

6. When done, click OK, then click Save changes.

Next, Adjusting the Sleep time setting

To change sleep mode settings, complete the following steps:

1. In Windows, search for and open Power Options.

2. In the Choose or customize a power plan window, click Change plan settings next to the plan you want to change.

3. To change the sleep settings, click the drop-down arrow next to Put the computer to sleep, and select a new time setting.

   Figure: Adjusting sleep time settings

   

4. Click Save changes. If this fails to continue the next step, Click here to "Adding or removing Sleep or Hibernate shutdown options"

Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.