swift SF114-32 screen black but external monitor works

Mikey63
Mikey63 Member Posts: 4 New User

I'm trying to fix my Mum's laptop. She succumbed to the nags to upgrade to Win11. The issue is that the screen is blank/black when the mouse is on 95% of the screen: any links, emails, search results, text boxes, text that might be copied, all black screen. It's effectively unusable, especially for an 82-year-old with poor eyesight. I find that an external monitor doesn't suffer from the problem, so that's where I am now. Acer's drivers for the Intel graphics are all older than the laptop, manufacture date March 2021. As I type, the laptop screen is repeatedly blank despite setting the monitor to Duplicate. Graphics chip is Intel UHD Graphics 605. It might also be over-aggressive power saving. Event viewer logs 10k errors across multiple processes, so I'm not sure what to do with that. This laptop is mostly used for zoom and email. If I go offline, how do I use the factory reset 1Gb partition to Win10? Thanks in advance, Mike.

Best Answers

  • Mikey63
    Mikey63 Member Posts: 4 New User
    Answer ✓

    Thanks Billsey. I did a local clean wipe and re-install from the local1GB recovery partition hoping to revert to Win10: but a new Windows install demands web access to complete, so I got a clean Win11 install. However, so far, the black display problem appears fixed. I work on HW for embedded SW systems in Automotive, and this had all the symptoms of a deliberate SW driver behaviour: fails only on specific cursor position. Acer lists no drivers that are younger than the date the laptop was bought, Q2 2021, and their latest display driver behaved the same. OEMs can customise the Tier 1 driver so I've had some problems with them, but maybe Win 11 picked it up and that's why it's fixed.

  • billsey
    billsey ACE Posts: 34,356 Trailblazer
    Answer ✓

    I tend to allow Intel to do the updates to the generic drivers, they have more fixes in them then the vendor specific builds.

    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.

Answers

  • Puraw
    Puraw ACE, Member Posts: 13,593 Trailblazer
    edited July 2023

    Check if this setting is off, change to both screens are on:

    Also set screen brightness (Keyboard button) to maximum, maybe it is set to zero.

  • Mikey63
    Mikey63 Member Posts: 4 New User

    Thanks for the response. Yes, the brightness was set to mimimum, but the screen is still visible like that, just dim. Quite why Acer would use the full sun F3 for 'Dim' and the outline sun F4 for 'Bright' is beyond me. This is a deliberate blanking. I made short videos: clearly, laptop alone is unusable, and Mum doesn't have an external monitor (and she didn't need one with Win 10). Apologies that they must be zipped to comply with forum rules. The displays are set to 'Duplicate'. If I set to just on 1 or just on 2, I get both screens blank, until saved by the timeout 'Revert' default.

  • billsey
    billsey ACE Posts: 34,356 Trailblazer
    edited July 2023

    It doesn't look like you are moving the screen when the issue presents, so it's not likely to be a physical problem with the eDP cable that runs between the motherboard and display. The SF114-32 models are from 2019, so a 2021 driver is newer than the laptop, but I'm sure that Intel has released newer drivers than those. Use the Intel Driver and Support Assistant to upgrade the drivers to whatever is current to see if it makes any difference. If that doesn't help it wouldn't hurt to do a clean Windows install just to verify it's hardware rather than software.

    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.
  • Mikey63
    Mikey63 Member Posts: 4 New User
    Answer ✓

    Thanks Billsey. I did a local clean wipe and re-install from the local1GB recovery partition hoping to revert to Win10: but a new Windows install demands web access to complete, so I got a clean Win11 install. However, so far, the black display problem appears fixed. I work on HW for embedded SW systems in Automotive, and this had all the symptoms of a deliberate SW driver behaviour: fails only on specific cursor position. Acer lists no drivers that are younger than the date the laptop was bought, Q2 2021, and their latest display driver behaved the same. OEMs can customise the Tier 1 driver so I've had some problems with them, but maybe Win 11 picked it up and that's why it's fixed.

  • billsey
    billsey ACE Posts: 34,356 Trailblazer
    Answer ✓

    I tend to allow Intel to do the updates to the generic drivers, they have more fixes in them then the vendor specific builds.

    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.
  • Mikey63
    Mikey63 Member Posts: 4 New User

    I believe that Intel's Win10 driver had the fault with a Win 11 upgrade, but the clean install Intel Win11 driver was the cure.

    Thanks!