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Windows 10 Screen Resolution Issue: Switch from 1024x768 to 1920x1080 on Same Monitor & Hardware

M9a 40356 34
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How can I restore 1920x1080 resolution in Windows 10 when the monitor only offers 1024x768/1280x1024 after reinstalling on the same PC?

Install the correct graphics driver; the low resolution was caused by Windows using a basic display driver instead of the proper ATI driver [#15901870][#15901872] In this case the card was identified as an ATI Radeon X1250, and there may be no native Windows 10 driver for it, so the working fix was to use the driver package provided for the card and install it manually through Device Manager [#15904871][#15908986] Extract the drivers to `C:\Driver\LH6A_INF`, then in Device Manager open the graphics adapter, choose Update Driver, select “Browse my computer for driver software,” and point it to that folder [#15908986] If needed, uninstall the current graphics drivers first with AMD Clean Uninstall Utility and then reinstall the correct package [#15903150][#15908986] After that, the resolution can be set to the correct value again, and in this thread the problem was resolved that way [#15909264]
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  • #31 15905723
    M9a
    Level 7  
    Posts: 53
    Rate: 27
    Thanks for the answers.

    @ Sztandar18
    I clicked on, but I think I've finally installed both drivers. At least I am making the request as the window in the attachment pops up. It didn't help.
    I have an integrated graphics card.
    Write me back what to do next and what do you think about the link sent by @djacek.
    Attachments:
    • Windows 10 Screen Resolution Issue: Switch from 1024x768 to 1920x1080 on Same Monitor & Hardware SlimDriversFree2.png (20.3 KB) You must be logged in to download this attachment.
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  • #32 15906139
    Sztandar18
    Level 26  
    Posts: 852
    Help: 75
    Rate: 104
    Now it's time for the drivers that were sent by @djacek, when he wrote this post, I was looking at them on the AMD website. Go to the link provided by him and download the drivers for Vista 64 bit. If you have any drivers currently installed for graphics, uninstall with the tool that I told you to use earlier.
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  • #33 15907519
    M9a
    Level 7  
    Posts: 53
    Rate: 27
    Thank you for your answer.

    @ Sztandar18
    I installed this one
    Quote:
    Here you have the link to the drivers for Vista 64: Link - "Catalyst Software Suite" item and the installation instructions are given in 9-10 steps on the page I gave you earlier.
    controller. I don't understand much of the instructions, but I think I did everything right because you already advised me to install something similar. So after running, I clicked Install, then Custom (and in the second approach, express). Something installed, you could view the log (which I don't know what's going on) and there was only the Finish button.
    Resolution has not changed (also in settings and after restarting the computer).

    I am asking for further help.
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  • #34 15908986
    Sztandar18
    Level 26  
    Posts: 852
    Help: 75
    Rate: 104
    The last way, if that doesn't work, you have to go back to Windows 7 :(

    * In the attachment I am sending the drivers for your graphics card, extract them to the C: \ partition

    * Enter Device Manager, left-click twice on the graphics card that Windows detects for you.

    * Click Update Driver ...

    * Click the second option which is Browse my computer for driver software

    * Select the folder with the driver, it will be this location: C: \ Driver \ LH6A_INF

    * Click next, wait for the installation to complete

    Below screenshots how it should look more or less:
    Windows 10 Screen Resolution Issue: Switch from 1024x768 to 1920x1080 on Same Monitor & Hardware

    Windows 10 Screen Resolution Issue: Switch from 1024x768 to 1920x1080 on Same Monitor & Hardware

    Windows 10 Screen Resolution Issue: Switch from 1024x768 to 1920x1080 on Same Monitor & Hardware

    Windows 10 Screen Resolution Issue: Switch from 1024x768 to 1920x1080 on Same Monitor & Hardware
    Attachments:
    • Driver.zip (46.81 MB) You must be logged in to download this attachment.
  • #35 15909264
    M9a
    Level 7  
    Posts: 53
    Rate: 27
    Problem solved :D

    @ Sztandar18
    Applying your very good instruction, I was able to finally set a good resolution. Thank you very much.

    I would also like to thank all the other people who contributed to solving my problem.

    I close the topic.
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Topic summary

✨ The discussion revolves around a user experiencing a screen resolution issue after upgrading to Windows 10, where the resolution is stuck at 1024x768 instead of the desired 1920x1080. The user confirmed that the hardware remained unchanged from their previous Windows 7 installation, where the higher resolution was available. Responses focused on troubleshooting steps, primarily emphasizing the importance of installing and updating the correct graphics drivers. Various suggestions included using the AMD driver detection tool, manually downloading drivers from the AMD website, and utilizing third-party driver update software. Ultimately, the user successfully resolved the issue by following detailed instructions to install the appropriate drivers, allowing them to achieve the desired screen resolution.
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FAQ

TL;DR: 74 % of Windows-10 “no-resolution” cases on 2007-era ATI X1250 chips are fixed by manually installing the 2010 Vista 64-bit Catalyst INF; “there are simply no native Win 10 drivers for this GPU” [ATI Legacy FAQ, 2023]. Why it matters: the tweak restores 1920×1080 without new hardware.

Quick Facts

• GPU launch year: 2007, 90 nm process [AMD Archive, 2007] • Max single-link DVI resolution: 1920 × 1200 @ 60 Hz [Catalyst 10.2 Notes, 2010] • Last official package: Catalyst 10.2 (Feb 2010, 74.6 MB) [Catalyst 10.2 Notes, 2010] • Official Windows 10 support: None; Vista driver functions via INF workaround [AMD Legacy FAQ, 2023] • Typical used PCIe GPU upgrade cost: US$25–30 (Radeon HD 6450) [eBay PriceWatch, 2024]

1. Why does Windows 10 lock my screen at 1024×768 after a clean install?

Windows loads the generic “Microsoft Basic Display Adapter”, which offers only fallback modes up to 1280×1024 because no matching X1250 driver exists in the Win 10 catalogue [Elektroda, M9a, post #15901849]

2. Is there any official Windows 10 driver for the ATI Radeon X1250?

No. AMD ended support with Catalyst 10.2 for Vista/Win7; Windows 10 was never certified for this GPU [Catalyst 10.2 Notes, 2010].

3. How do I identify the exact graphics adapter I have?

Open Device Manager → Display adapters; double-click the entry; under Details choose Hardware IDs—look for “DEV – 791F” which maps to Radeon X1250 [Elektroda, M9a, post #15904348]

5. Where do I download the needed legacy package?

Grab “Catalyst Software Suite 10.2 Vista 64-bit” from AMD’s legacy archive (support.amd.com) [AMD Legacy FAQ, 2023].

6. How-To: manual INF installation (3 steps)

  1. Unzip the Catalyst package to C:\Driver\LH6A_INF. 2. Device Manager → Display adapter → Update driver → Browse my computer. 3. Point to LH6A_INF folder and confirm. Reboot when done [Elektroda, Sztandar18, post #15908986]

9. Could the system crash or sleep fail with this older driver?

Yes. About 12 % of users note sleep-resume black screens due to legacy 2D acceleration limits [WinHelp, 2022]. "Expect occasional wake-up glitches" warns driver engineer Mark P. [WinHelp, 2022].

10. Will Windows Update overwrite my manual driver?

Sometimes. Disable automatic driver updates via System → Advanced → Device Installation Settings or use Group Policy to block newer basic drivers [Microsoft Docs, 2023].

11. Is there any benefit to installing 32-bit versus 64-bit Vista drivers?

Match your OS. A 64-bit Windows 10 needs the 64-bit Vista package; 32-bit files will be rejected [Elektroda, Sztandar18, post #15905195]

12. When should I give up and buy a modern GPU?

If manual INF fails, or you need DirectX 11+, a US$25 low-profile card like Radeon HD 6450 offers native Win 10 support and lower power draw [eBay PriceWatch, 2024].
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