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Old 01-29-2022, 07:59 AM   #1
peter7089
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Integrated gpu in intel processor missing or not detected


I have laptop HP Elitebook 8560w. My processor is i7-2820QM and looking at processor specification here it should have integrated intel gpu, but it is missing or it is not detected:

Code:
$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (Lewisville) (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Mobile SATA AHCI Controller (rev 04)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108GLM [Quadro 1000M] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GF108 High Definition Audio Controller (rev a1)
24:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (rev 30)
24:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 30)
24:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 30)
25:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 34)
26:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
Any idea what could be the issue?

Code:
$ lscpu
Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   36 bits physical, 48 bits virtual
CPU(s):                          8
On-line CPU(s) list:             0-7
Thread(s) per core:              2
Core(s) per socket:              4
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       GenuineIntel
CPU family:                      6
Model:                           42
Model name:                      Intel(R) Core(TM) i7-2820QM CPU @ 2.30GHz
Stepping:                        7
CPU MHz:                         798.185
CPU max MHz:                     3400.0000
CPU min MHz:                     800.0000
BogoMIPS:                        4589.56
Virtualization:                  VT-x
L1d cache:                       128 KiB
L1i cache:                       128 KiB
L2 cache:                        1 MiB
L3 cache:                        8 MiB
NUMA node0 CPU(s):               0-7
Vulnerability Itlb multihit:     KVM: Mitigation: VMX disabled
Vulnerability L1tf:              Mitigation; PTE Inversion; VMX conditional cache flushes, SMT vulnerable
Vulnerability Mds:               Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Meltdown:          Mitigation; PTI
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2:        Mitigation; Full generic retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds:             Not affected
Vulnerability Tsx async abort:   Not affected
Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall 
                                 nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 mon
                                 itor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ep
                                 b pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid xsaveopt dtherm ida arat pln pts md_clear flush_l1d
 
Old 01-29-2022, 08:42 AM   #2
biker_rat
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Some of these older laptops might not have the intel gpu available while the nvidia discrete card is installed. Play with the bios settings and it might become available, or not. My HP 8740w will not let me access the intel gpu while nvidia is installed.
 
Old 01-29-2022, 09:59 AM   #3
peter7089
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I checked bios but i couldn't find option to enable integrated intel gpu. I have also Windows installed on the same laptop, but it also won't detect any intel gpu.
 
Old 01-29-2022, 01:21 PM   #4
Arnulf
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Laptop and dedicated graphics card must support a GPU switching technology e. g. Nvidia Optimus. Otherwise inserting a dedicated graphics card may completely supersede an integrated GPU.
 
Old 01-29-2022, 02:07 PM   #5
peter7089
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How to know if a dedicated card support gpu switching, for the next laptop i will buy.
 
Old 01-29-2022, 02:53 PM   #6
Arnulf
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Quote:
Originally Posted by peter7089 View Post
How to know if a dedicated card support gpu switching, for the next laptop i will buy.
This should be standard in new laptops with IGPU and dedicated graphics card.
If you want to run Linux on it you should avoid nvidia graphics because nvidia doesn't support open source drivers.
Think about buying a laptop with IGPU only. Modern IGPUs in AMD Ryzen or Intel Core CPUs may be sufficient for office programs.
Advantages:
More energy saving is possible especially in battery mode.
Less heat must be dissipated.
Disadvantages:
Use of shared memory decreases systems performance and reduces available system memory.
Graphics performance may be poor in some situations.

If you really want to run programs which causes heavy graphics load (graphical simulations, 3D-CAD, games, …) on a laptop buy one with a dedicated graphics card – or think about a PC for this.
 
Old 01-29-2022, 03:27 PM   #7
peter7089
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Well, i want to buy gaming laptop and run linux on it, but most of them come with nvidia dedicated card. If i can't find laptop with amd dedicated card i will get one with nvidia, and will use the nvidia card only when gaming, for the rest i will use the integrated gpu.
 
Old 01-30-2022, 10:23 PM   #8
mrmazda
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Laptops with Optimus are a maintenance headache for most users, as are desktops with NVidia GPUs. The reason is NVidia doesn't provide any support for FOSS drivers, instead protecting its technologies through secrecy, forcing users to install proprietary drivers to be able to utilize every last itty bitty bit of GPU functionality, besides paying a premium to acquire NVidia in the first place.

IGPs with latest technologies have gotten so fast that a dedicated GPU doesn't make nearly as much sense as it used to. See e.g. https://www.tomshardware.com/feature...-performance/6
 
Old 02-05-2022, 10:38 PM   #9
Merlin2
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GPU Switching in a laptop.

The ability to switch between on chip and off chip GPUs is a BIOS / UEFI feature.

IF... HP has made it possible to switch between GPUs, It will be in the BIOS /UEFI firmware.
I would check the HP / COMPAQ website for an update to the BIOS / UEFI firmware.

Just three weeks ago I did a BIOS update to friends HP laptop. GPU switching was not available originally. GPU switching was NOT mentioned in the update. GPU switching was available after the update.???
 
Old 02-06-2022, 01:07 AM   #10
peter7089
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There is bios update for HP Elitebook 8560W in HP website. I may try to update.
 
  


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