On 10/28/2017 02:55 PM, Gregory P. Ennis wrote: > Date: Sat, 28 Oct 2017 12:03:51 -0700 > > On 10/28/2017 11:30 AM, Gregory P. Ennis wrote: >> On each of these units I am using the video from the mother board >> which >> is : >> >> Base Board Information >> Manufacturer: ASUSTeK COMPUTER INC. >> Product Name: B150M-A/M.2 > > > what CPU are you using? any onboard video with the B150 chipset is > coming from the CPU itself. > ------------------------------- > > John, > > Thanks for your help. > > Sorry, I thought I posted that earlier, but it is : > > Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz > OK .. if you run this as root, it will tell you what the actual video card is what what driver and/or kernel module is in use: for card in $(lspci | grep ' VGA ' | cut -d" " -f 1); do \ lspci -v -s $card; done Here is an example output for my workstation: 00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device 221e Flags: bus master, fast devsel, latency 0, IRQ 30 Memory at b3400000 (64-bit, non-prefetchable) [size=4M] Memory at 80000000 (64-bit, prefetchable) [size=512M] I/O ports at 5000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 Kernel modules: i915 01:00.0 VGA compatible controller: NVIDIA Corporation GK107GLM [Quadro K1100M] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device 221e Flags: fast devsel, IRQ 255 Memory at b2000000 (32-bit, non-prefetchable) [disabled] [size=16M] Memory at a0000000 (64-bit, prefetchable) [disabled] [size=256M] Memory at b0000000 (64-bit, prefetchable) [disabled] [size=32M] I/O ports at 4000 [disabled] [size=128] Expansion ROM at b3000000 [disabled] [size=512K] Capabilities: [60] Power Management version 3 Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [78] Express Endpoint, MSI 00 Capabilities: [b4] Vendor Specific Information: Len=14 <?> Capabilities: [100] Virtual Channel Capabilities: [128] Power Budgeting <?> Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?> Capabilities: [900] #19 Kernel modules: nouveau With that info, you can troubleshoot the specific driver or kernel module. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20171029/28a7e562/attachment-0004.sig>