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[solved] Help garbled screen with hd 5500 graphics

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I fixed that with EDID override. However I still have problems with sleep. When it goes to sleep it wakes instantly and with black screen. And regarding the BIOS I couldn't find a separate option for CSM.
 

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  • debug_19470.zip
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I patched SSDT's and DSDT, but it didn't fix it.
 

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  • debug_28862.zip
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What's wrong with them?
 
Diego-DFC said:
What's wrong with them?
Click to expand...
Hey I have a question how did you get your Broadwell graphics 5500 to work? Was it framebuffer patch or a kext or something. Ive been working on this for weeks now. Please help
 
Diego-DFC said:
What's wrong with them?
Click to expand...

Obvious mistakes:
- dynamic SSDTs are never placed in ACPI/patched
- only the SSDTs that need patching should be placed in ACPI/patched (expect only DSDT.aml and the SSDTs related to disabling Nvidia).

You need to read the related guides carefully.
 
RehabMan said:
Your BIOS may have a separate option for CSM.
Up to you to understand your BIOS options...
Click to expand...
Hey RehabMan,

I have run into the exact same issues with my Broadwell laptop and HD 5500. When I have patched everything appropriately and booting UEFI I have garbled graphics.

However my laptop has the same problem where it has no option to boot UEFI with legacy enabled. I do have an option to boot CSM instead of UEFI.

However, when I enable CSM, the laptop refuses to find a bootable drive and throws an error.

I’ve followed the clover install guide to a T. It doesn’t matter how I install clover. UEFI or legacy mode both are not recognized as a bootable drive.

I have tried about 10 variations of clover installations to this USB stick. From GUID+ESP install to MBR with a 200mb fat32 partition in legacy mode. Nothing works I’m not sure what I’m doing wrong.
 
Last edited:
mvd120 said:
Hey RehabMan,

I have run into the exact same issues with my Broadwell laptop and HD 5500. When I have patched everything appropriately and booting UEFI I have garbled graphics.

However my laptop has the same problem where it has no option to boot UEFI with legacy enabled. I do have an option to boot CSM instead of UEFI.

However, when I enable CSM, the laptop refuses to find a bootable drive and throws an error.

I’ve followed the clover install guide to a T. It doesn’t matter how I install clover. UEFI or legacy mode both are not recognized as a bootable drive.

I have tried about 10 variations of clover installations to this USB stick. From GUID+ESP install to MBR with a 200mb fat32 partition in legacy mode. Nothing works I’m not sure what I’m doing wrong.
Click to expand...

No "Problem Reporting" files attached.
Read FAQ, "Problem Reporting" again. Carefully. Attach all requested files/output.
https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/
Use the gen_debug.sh tool mentioned in the FAQ, that way it is less likely you'll omit something.
 

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  • debug_2337.zip
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  • EFI.zip
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