Graphics Card
Sapphire HD7850 2gb
no oc done on it
AMD Catalyst Driver Version, and Driver History
13.251
Operating System
Windows 7 64 bit
Issue Details
So the problem goes like this, during games and only games the computer randomly freezes (not responding to key pushing or anything) monitors go black then i get the " no signal" message. If i use the restart button the pc will not post i will get a 5 beep post error, if i disconect the power from the pc plug it back and power it on it will work normaly. Event viewer shows nothing but the unexpected shutdown notification.
Motherboard or System Make & Model
Asrock 970 xtreme 3 (first model not the 2.0)
Power Supply
Corsair RM750 watt , bought 2 months ago, the issue was happening on 2 other psu's
Display Device(s) and Connection(s) Used
Samsung Syncmaster S23b550 connected via hdmi cable
Dell 1908fpc connected via vga connection to the gpu's dvi connection using an adaptor
Applications and Games
only games from port royale 3 to blackflag (in terms of graphics)
CPU Details
Phenom II x4 965 be @ 3400 , 1.35v
not overclocked, cool n quaiet deactivated , stock cooler
Motherboard BIOS Version
asrock 1.8 (was preaviosly 1.4 but i flashed it) issue happens with both bios versions
System Memory Type & Amount
Corsair Veangeance cl9 (high profile ones) @1600mhz 2x4gb in dual chanel
Additional Hardware
2x 200mm fans connected directly to psu
1x230mm fan connected to psu
1x140mm fan connected to psu
The fans are from the Haf x case i'm using if it's of any usefullness
sound card connected to pci slot (creative soundblaster x fi fatality platinum)
Additional Details
Now the strange starts, so i cant reproduce the black screen with any kind of benchmarking software, but i will list the benchmarks and tests done already:
Memtest: ram ok 10 passes no error
Prime95 : blend and small fft for about 6 hours each no errors no warnings temps fine
Furmark , 3dmark , unigine heaven, no error no bsod no blackscreen on any of them.
occt cpu test/gpu test/psu stressing test all ok
To be honest i have no idea if it actualy is the gpu , others have been bouncing the idea of a MOBO malfunction, so please some advice or fixes.
Thank you in advance!
Sapphire HD7850 2gb
no oc done on it
AMD Catalyst Driver Version, and Driver History
13.251
Operating System
Windows 7 64 bit
Issue Details
So the problem goes like this, during games and only games the computer randomly freezes (not responding to key pushing or anything) monitors go black then i get the " no signal" message. If i use the restart button the pc will not post i will get a 5 beep post error, if i disconect the power from the pc plug it back and power it on it will work normaly. Event viewer shows nothing but the unexpected shutdown notification.
Motherboard or System Make & Model
Asrock 970 xtreme 3 (first model not the 2.0)
Power Supply
Corsair RM750 watt , bought 2 months ago, the issue was happening on 2 other psu's
Display Device(s) and Connection(s) Used
Samsung Syncmaster S23b550 connected via hdmi cable
Dell 1908fpc connected via vga connection to the gpu's dvi connection using an adaptor
Applications and Games
only games from port royale 3 to blackflag (in terms of graphics)
CPU Details
Phenom II x4 965 be @ 3400 , 1.35v
not overclocked, cool n quaiet deactivated , stock cooler
Motherboard BIOS Version
asrock 1.8 (was preaviosly 1.4 but i flashed it) issue happens with both bios versions
System Memory Type & Amount
Corsair Veangeance cl9 (high profile ones) @1600mhz 2x4gb in dual chanel
Additional Hardware
2x 200mm fans connected directly to psu
1x230mm fan connected to psu
1x140mm fan connected to psu
The fans are from the Haf x case i'm using if it's of any usefullness
sound card connected to pci slot (creative soundblaster x fi fatality platinum)
Additional Details
Now the strange starts, so i cant reproduce the black screen with any kind of benchmarking software, but i will list the benchmarks and tests done already:
Memtest: ram ok 10 passes no error
Prime95 : blend and small fft for about 6 hours each no errors no warnings temps fine
Furmark , 3dmark , unigine heaven, no error no bsod no blackscreen on any of them.
occt cpu test/gpu test/psu stressing test all ok
To be honest i have no idea if it actualy is the gpu , others have been bouncing the idea of a MOBO malfunction, so please some advice or fixes.
Thank you in advance!
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