*Urgent* Graphics Processor Greyed Out in PS

*any help/ideas @ appreciated -  marked urgent have photography a2 exam tomorrow, need work for!*

 

my 'use graphics processor' option under preferences>performance greyed out - has worked fine before noticed change when went use of features today.

 

i have updated photoshop, , drivers nvidia geforce gtx970m no lchange @ all, , set nvidia card preferred graphics processor ps in control panel.

 

i have tried can think of , not sure now, @ appreciated. here's of system info, i'm not sure people need see, can post rest if missed obvious!

 

thank you!!

 

adobe photoshop version: 2015.1.1 20151209.r.327 2015/12/09:23:59:59 cl 1055659  x64

operating system: windows 8.1 64-bit

version: 8.1

system architecture: intel cpu family:6, model:12, stepping:3 mmx, sse integer, sse fp, sse2, sse3, sse4.1, sse4.2, avx, avx2, hyperthreading

physical processor count: 4

logical processor count: 8

processor speed: 2494 mhz

built-in memory: 8111 mb

free memory: 3923 mb

memory available photoshop: 7000 mb

memory used photoshop: 70 %

modifier palette: enabled.

design space: disabled.

artboards: enabled.

3d multitone printing: disabled.

highbeam: enabled.

image tile size: 1024k

image cache levels: 4

font preview: medium

textcomposer: latin

display: 1

display bounds: top=0, left=0, bottom=1080, right=1920

opengl drawing: disabled.

opengl allow old gpus: not detected.

opengl drawing mode: basic

opengl allow normal mode: false.

opengl allow advanced mode: false.

aifcoreinitialized=1

aifoglinitialized=1

oglcontextcreated=1

numglgpus=1

numclgpus=1

glgpu[0].glversion="3.0"

glgpu[0].isintegratedglgpu=0

glgpu[0].glmemorymb=0

glgpu[0].glname="?"

glgpu[0].glvendor="nvidia corporation"

glgpu[0].glvendorid=0

glgpu[0].gldriverversion="?"

glgpu[0].glrecttexturesize=16384

glgpu[0].glrenderer="geforce gtx 970m/pcie/sse2"

glgpu[0].glrendererid=0

glgpu[0].hasglnpotsupport=1

glgpu[0].gldriver="?"

glgpu[0].gldriverdate="?"

glgpu[0].cancompileprogramglsl=1

glgpu[0].glframebufferok=1

glgpu[0].glgetstring[gl_shading_language_version]="4.50 nvidia"

glgpu[0].glgetprogramivarb[gl_fragment_program_arb][gl_max_program_instructions_arb]=[6553 6]

glgpu[0].glgetintegerv[gl_max_texture_units]=[4]

glgpu[0].glgetintegerv[gl_max_combined_texture_image_units]=[192]

glgpu[0].glgetintegerv[gl_max_vertex_texture_image_units]=[32]

glgpu[0].glgetintegerv[gl_max_texture_image_units]=[32]

glgpu[0].glgetintegerv[gl_max_draw_buffers]=[8]

glgpu[0].glgetintegerv[gl_max_vertex_uniform_components]=[4096]

glgpu[0].glgetintegerv[gl_max_fragment_uniform_components]=[4096]

glgpu[0].glgetintegerv[gl_max_varying_floats]=[124]

glgpu[0].glgetintegerv[gl_max_vertex_attribs]=[16]

glgpu[0].extension[aif::ogl::gl_arb_vertex_program]=1

glgpu[0].extension[aif::ogl::gl_arb_fragment_program]=1

glgpu[0].extension[aif::ogl::gl_arb_vertex_shader]=1

glgpu[0].extension[aif::ogl::gl_arb_fragment_shader]=1

glgpu[0].extension[aif::ogl::gl_ext_framebuffer_object]=1

glgpu[0].extension[aif::ogl::gl_arb_texture_rectangle]=1

glgpu[0].extension[aif::ogl::gl_arb_texture_float]=1

glgpu[0].extension[aif::ogl::gl_arb_occlusion_query]=1

glgpu[0].extension[aif::ogl::gl_arb_vertex_buffer_object]=1

glgpu[0].extension[aif::ogl::gl_arb_shader_texture_lod]=1

clgpu[0].clplatformversion="1.2"

clgpu[0].cldeviceversion="1.2 cuda"

clgpu[0].isintegratedclgpu=0

clgpu[0].clmemorymb=3072

clgpu[0].clname="geforce gtx 970m"

clgpu[0].clvendor="nvidia corporation"

clgpu[0].clvendorid=4318

clgpu[0].cldriverversion="365.10"

clgpu[0].cudasupported=1

clgpu[0].cudaversion="8.0.0"

clgpu[0].clbandwidth=6.38671e+010

clgpu[0].clcompute=1170.22

if that's current system status don't have latest version of photoshop should read

adobe photoshop version: 2015.1.2 20160113.r.355 2016/01/13:23:59:59 cl 1059143  x64

 

update through desktop app latest version, aware interface has changed have imminent exam might not best time. update has been around 3 months though. have updated graphics card driver might have triggered problem?

 

there couple of things can try

1) reset preferences , solve this

doing though require manually reset everything.

 

2) can locate file sniffer.exe in c:\program files\adobe\adobe photoshop cc 2015. if rename or move photoshop more tolerant towards graphics problem, @ expense of system crashes.

 

hope helps

terri

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