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Andrioman

Intel HD 4000 Resolution issue very strange...

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Hey! I've got very strange issue with the resolution of Intel HD 4000 graphic card. I Have two almost identical laptops.Both are the exact same model HP Elitebook 8570p. On one of them I'm able to get resolution 1600 x 900(even with "Night Shift" mode),but on the other I can get only 1366 x 768. The only differance between the two are the CPUs. On that with the higher resolution the CPU is Core i5 -3320 as suppose to Core i5 -3340 on the one with lower resolution. I even use the same image backup file on both computers. I tried almost everything with different settings with clover configurator,but without success. I've swapped the config.plist files on both even the whole EFI partition, also I swapped the CPUs on both to see if that's the reason,but nothing...
Is there some reason why I can't make the resolution on that with 1366 x 768 to 1600 x 900? Can you help me please?!

Thank you!

desktop-jpg.302009

Edited by Andrioman
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Open terminal run the following command in both laptops, then post results

lspci -nn

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That's what I got...

High Resolution HP Elitebook:

Last login: Wed Dec 27 18:04:32 on console
Andrios-MacBook-Pro:~ andrioman$ lspci -nn
00:00.0 Class [0600]: Device [8086:0154] (rev 09)
00:02.0 Class [0300]: Device [8086:0166] (rev 09)
00:14.0 Class [0c03]: Device [8086:1e31] (rev 04)
00:16.0 Class [0780]: Device [8086:1e3a] (rev 04)
00:16.3 Class [0700]: Device [8086:1e3d] (rev 04)
00:19.0 Class [0200]: Device [8086:1502] (rev 04)
00:1a.0 Class [0c03]: Device [8086:1e2d] (rev 04)
00:1b.0 Class [0403]: Device [8086:1e20] (rev 04)
00:1c.0 Class [0604]: Device [8086:1e10] (rev c4)
00:1c.1 Class [0604]: Device [8086:1e12] (rev c4)
00:1c.2 Class [0604]: Device [8086:1e14] (rev c4)
00:1c.3 Class [0604]: Device [8086:1e16] (rev c4)
00:1d.0 Class [0c03]: Device [8086:1e26] (rev 04)
00:1f.0 Class [0601]: Device [8086:1e55] (rev 04)
00:1f.2 Class [0106]: Device [8086:1e03] (rev 04)
23:00.0 Class [0c00]: Device [197b:2380] (rev 30)
23:00.1 Class [0880]: Device [197b:2392] (rev 30)
23:00.2 Class [0805]: Device [197b:2391] (rev 30)
24:00.0 Class [0280]: Device [8086:0082] (rev 34)
Andrios-MacBook-Pro:~ andrioman$ 


LOW Resolution HP Elitebook:

Last login: Wed Dec 27 18:02:58 on ttys000
Andrios-MacBook-Pro:~ andrioman$ lspci -nn
00:00.0 Class [0600]: Device [8086:0154] (rev 09)
00:02.0 Class [0300]: Device [8086:0166] (rev 09)
00:14.0 Class [0c03]: Device [8086:1e31] (rev 04)
00:16.0 Class [0780]: Device [8086:1e3a] (rev 04)
00:19.0 Class [0200]: Device [8086:1502] (rev 04)
00:1a.0 Class [0c03]: Device [8086:1e2d] (rev 04)
00:1b.0 Class [0403]: Device [8086:1e20] (rev 04)
00:1c.0 Class [0604]: Device [8086:1e10] (rev c4)
00:1c.1 Class [0604]: Device [8086:1e12] (rev c4)
00:1c.2 Class [0604]: Device [8086:1e14] (rev c4)
00:1c.3 Class [0604]: Device [8086:1e16] (rev c4)
00:1d.0 Class [0c03]: Device [8086:1e26] (rev 04)
00:1f.0 Class [0601]: Device [8086:1e55] (rev 04)
00:1f.2 Class [0106]: Device [8086:1e03] (rev 04)
23:00.0 Class [0c00]: Device [197b:2380] (rev 30)
23:00.1 Class [0880]: Device [197b:2392] (rev 30)
23:00.2 Class [0805]: Device [197b:2391] (rev 30)
24:00.0 Class [0280]: Device [168c:002a] (rev 01)
Andrios-MacBook-Pro:~ andrioman$ 

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Class [0300]: Device [8086:0166] (rev 09)

Your graphics hardware IDs are same, but some parts differ so your laptops are not the same by hardware.

 

After checking out some specs https://support.hp.com/ee-en/document/c03393927

 

I think there are 3 different display type for your Laptop

  • 15.6-inch diagonal LED-backlit HD 16:9 anti-glare (1366 x 768)
  • 15.6-inch diagonal LED-backlit HD+ 16:9 WVA anti-glare (1600 x 900)
  • 15.6-inch diagonal LED-backlit FHD WVA anti-glare (1920 x 1080)

It means one of your Laptop's Maximum resolution is 1366 x 768, so I think there is nothing to debug here

 

If you want to confirm this, Install windows on low-resolution laptop and check if it supports 1600 x 900 resolution.

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