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ati radeon mobility graphics, black screen when pluged in.

Question asked by jdm147 on Sep 5, 2015

my problem is that when i plug my ac adapter into my hp pavilion dv7 nr 4177 entertainment notebook, running windows 10, the screen goes black but display indicates its on. i figured it was utilizing the switchable graphics feature, ati radeon mobility hd 5470 graphics card, and got lost somewhere when it tried to load the last image. first i tried a soft reset with the battery out. that didnt work. then i checked all of the power save options in windows, and reset to default after tying all combinations of power plans. then i tried to see if the problem was happening before windows started by booting into bios setup. the display seemed fine, and reset all settings to default because i had my dvd drive as primary boot. when i restarted my computer it went through the following steps, {as it usually does now when pluged in to ac.}  first it ask for my bios password as i have set one. then it shows windows loading. next i come to my screen saver page and press spacebar. it asks me for my windows password, so i type it and hit enter. the screen goes black and stays black untill i reboot it a second time with the adapter puged in.also if i unplug the adapter while at my desktop it allows the secondary card to take over. it switches without a hitch. but five seconds after i plug my ac adapter in, the screen goes black again. and i have to enter bios and repeat the process over again.

 

so thats where im at. but i must tell you i have tweaked this beast in some very odd ways. stay with me. this whole process has been fun but also a huge learning curb for me. so heres the story.

 

when i got the laptop the owner used it as a work computer, and for some reason had linux mint installed on it. i bought it from her and installed windows 8.1 pro along with the latest bios updates at the time. . i could not find windows 7 anywhere on the drive. I hated windows 8 and finally got a copy of windows 7 ultimate. i installed and updated all of my drivers. it ran flawless. but i wanted something new. i upgraded to windows ten very easily and ran windows update. everything seemed to be great. but when i tried watching youtube videos they were blocky and choppy.. i ignored it. then when i tried to play age of empires III it would pop up a black screen. i did alot of research and found the drivers i needed at amd. the problem was that windows could not install the drivers correctly. my computer kept reverting back to generic drivers. so i downloaded, from hp, the windows 7 software framework driver and installed it. then i ran and install for catalyst control center in compatability mode with windows 7. i uninstalled the failed driver from my graphics card and searched through the list of compatible drivers on my computer that i had previously downloaded from amd. my hd 5470 driver installed but failed. so i saw another driver for a m88og with ati radeon mobility hd 4250, that said it was compatible. so i installed it, and it worked. the only problem was when i played age of empires the screen res was squared. definatley not fitted for my 17.3 inch screen. but it worked and no one online could seem to have the answer after days of looking for a solution. so i kept everything and ran with it. everything was great for weeks. then oneday on its own it switched graphic cards on my by itself. but the black screen only lasted for a few seconds. then one day after playing age of empires it went black and stayed black. i forced shut down and have been struggling with it since. i found so info under system summary. the radeon hd 4250 seem to have multiple entries in the memory area under hardware resources. there are five of them. every entry has a different resource code. but each individual enty has a matching code that belongs to the pci to pci bridge. all ati radeon hd 4250 entries have this pci link but one. also under components>display my other radeon hd 5470 seems to be ok exept for the fact that color planes were not available. and the stats for the radeon hd 4250 state that  color planes, color table entries, resolution, and bits/pixels are all not available... the 4250 is also found in my conflict/sharing. but when i locate both cards in the I/O the status is "ok" for both.

 

  so here i am. my last piece of info is this from device manager radeon hd 4350 properties.

8/13/2015 9:06:38 AM

Device PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5a2982b&0&2808 requires further installation.

8/13/2015 9:07:08 AM

Device PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5a2982b&0&2808 requires further installation.

 

8/13/2015 9:09:57 AMDriver Management concluded the process to install driver ct180727.inf_x86_c2d076297c909fcc\ct180727.inf for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0x0.

 

8/19/2015 4:27:36 AMDriver Management concluded the process to install driver ct187672.inf_x86_076d3b97727a8ba9\ct187672.inf for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0x0.

 

Driver Management has concluded the process to add Service amdkmdap for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0.

 

Driver Management has concluded the process to add Service amdkmdag for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0.

 

Driver Management has concluded the process to add Service AMD External Events Utility for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0.

 

 

Driver Management concluded the process to install driver cw_98973.inf_x86_a4cf788a6f13b352\cw_98973.inf for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0x0.

 

Driver Management concluded the process to install driver ct187672.inf_x86_076d3b97727a8ba9\ct187672.inf for Device Instance ID PCI\VEN_1002&DEV_9712&SUBSYS_1443103C&REV_00\4&5A2982B&0&2808 with the following status: 0x0.

 

then it repeats all of these logs once more... idk.. plz help. sorry my writing is horrible. ive just found no help even close to what i need. im just trying to be as detailed as possible.

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