Graphics card or motherboard issue?
Tags:
- Windows 7
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Graphics Cards
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Motherboards
- HD
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Radeon
Last response: in Graphics & Displays
DonC_
July 21, 2014 4:04:30 AM
Hi guys,
Windows 7
MB: ASUS P8P67
Original Graphics card: HIS HD 5850
2nd Graphics card: Radeon HD 5750 1GB
A couple weeks ago my display started going all blocky (See img)
![]()
Rebooting the machine usually sorted the issue out, but its been happening more frequently.
I've cleaned out the system and dusted
I replaced the HIS HD5850 graphics card with the Radeon HD 5750, but the issue has persisted.
Sometimes even when booting (before windows starts loading) the screen goes all blocky.
Since the issue still occurs, even though I've replaced the graphics card, does that mean its a CPU or motherboard issue?
Any suggestions as to what tests I can do to narrow down where the problem is?
Thanks
EDIT: My screenshot isnt being displayed.
Please use the following link
https://www.dropbox.com/s/bt4xw7m6m068sft/Screen.jpg
Windows 7
MB: ASUS P8P67
Original Graphics card: HIS HD 5850
2nd Graphics card: Radeon HD 5750 1GB
A couple weeks ago my display started going all blocky (See img)

Rebooting the machine usually sorted the issue out, but its been happening more frequently.
I've cleaned out the system and dusted
I replaced the HIS HD5850 graphics card with the Radeon HD 5750, but the issue has persisted.
Sometimes even when booting (before windows starts loading) the screen goes all blocky.
Since the issue still occurs, even though I've replaced the graphics card, does that mean its a CPU or motherboard issue?
Any suggestions as to what tests I can do to narrow down where the problem is?
Thanks
EDIT: My screenshot isnt being displayed.
Please use the following link
https://www.dropbox.com/s/bt4xw7m6m068sft/Screen.jpg
More about : graphics card motherboard issue
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Reply to DonC_
DonC_ said:
Hi guys,Windows 7
MB: ASUS P8P67
Original Graphics card: HIS HD 5850
2nd Graphics card: Radeon HD 5750 1GB
A couple weeks ago my display started going all blocky (See img)

Rebooting the machine usually sorted the issue out, but its been happening more frequently.
I've cleaned out the system and dusted
I replaced the HIS HD5850 graphics card with the Radeon HD 5750, but the issue has persisted.
Sometimes even when booting (before windows starts loading) the screen goes all blocky.
Since the issue still occurs, even though I've replaced the graphics card, does that mean its a CPU or motherboard issue?
Any suggestions as to what tests I can do to narrow down where the problem is?
Thanks
EDIT: My screenshot isnt being displayed.
Please use the following link
https://www.dropbox.com/s/bt4xw7m6m068sft/Screen.jpg
The problem has persisted through 2 gpu's, do you have another display cable to try?
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Reply to drkatz42
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DonC_
July 21, 2014 4:21:50 AM
drkatz42 said:
The problem has persisted through 2 gpu's, do you have another display cable to try?
Good suggestion.
While the machine was still running, I unplugged the DVI cable and replaced it with an HDMI cable.
On plugging the HDMI cable in, The screen was all blocky \ messed up and I had to log off and log back on.
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Reply to DonC_
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DonC_
July 21, 2014 4:35:55 AM
Thanks for the quick replies guys.
Its just occurred to me to mention that periodically the screen also froze for a few seconds. That had been happening for a while.
I've cleaned out the machine out with a paint brush. Its way less dustier than it was.
I've run HWInfo, the results were to big to post.
I've uploaded the link here.
https://www.dropbox.com/s/7pbc3us56te3gzo/FORGE.LOG
Its just occurred to me to mention that periodically the screen also froze for a few seconds. That had been happening for a while.
I've cleaned out the machine out with a paint brush. Its way less dustier than it was.
I've run HWInfo, the results were to big to post.
I've uploaded the link here.
https://www.dropbox.com/s/7pbc3us56te3gzo/FORGE.LOG
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Reply to DonC_
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DonC_
July 21, 2014 5:01:20 AM
i7Baby said:
That's not SensorsSorry, Im not familiar with HWInfo. I thought the summary would include sensor info.
Is this what you're looking for?
Thanks for your help.
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Reply to DonC_
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DonC_
July 21, 2014 5:54:48 AM
DonC_
July 21, 2014 11:30:02 AM
Some other things I've noticed today:
Changing resolution seems to sort the issue out for a while.
Earlier I reduced the resolution from 1920 X1080 to 1600 x 900 and so far it seems fine.
I don't think this is a software issue as sometimes the screen is messed up right from the start ( ie from the start of the bios boot )
Im not sure its heat related either. This issue has occurred several times when I've been away from my machine and need to "wake" it.
Any help in figuring out the cause would be appreciated.
Changing resolution seems to sort the issue out for a while.
Earlier I reduced the resolution from 1920 X1080 to 1600 x 900 and so far it seems fine.
I don't think this is a software issue as sometimes the screen is messed up right from the start ( ie from the start of the bios boot )
Im not sure its heat related either. This issue has occurred several times when I've been away from my machine and need to "wake" it.
Any help in figuring out the cause would be appreciated.
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Reply to DonC_
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What Power Supply have you got? It's 12V reading is too high at 12.288V
Have you overclocked your cpu? It's getting too hot - 42C at Vcore 1.211V and 3.4GHz at 26% usage
Have you overclocked your graphics card? It's also getting too hot - 51C at 1.00V with only 3% usage
Blow your case out - especially fans, filters and coolers.
Get rid of any overclocks.
Get a new power supply eg Seasonic 520, XFX 550 or Antec HCG 520M
Have you overclocked your cpu? It's getting too hot - 42C at Vcore 1.211V and 3.4GHz at 26% usage
Have you overclocked your graphics card? It's also getting too hot - 51C at 1.00V with only 3% usage
Blow your case out - especially fans, filters and coolers.
Get rid of any overclocks.
Get a new power supply eg Seasonic 520, XFX 550 or Antec HCG 520M
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Reply to i7Baby
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DonC_
July 22, 2014 12:13:39 AM
I have an Antec 520 High Current Gamer.
Overclocking wise, about the only settings I changed when I set the machine up were in the Asus EFI bios, Id set the system performance to "power saving", I've now changed it back to "normal".
I havent overclocked my graphics card either, I've set the resolution at 1920x1080 @ 60Hz. I used to run another monitor off the card as well, but thats been unplugged for ages.
I cleared a lot of dust out of the case yesterday and also a fair amount out of the graphics card.
OS: Win 7 Premium
MB: Asus P8P67
GPU: HIS HD 5850
PSU: Antec 520 High Current Gamer
I'll read up on PSU's and order a new one.
Since the System Performance setting change and the dust clearout, I've taken new screenshots:
![]()
![]()
![]()
![]()
Thanks for your time
EDIT: For some reason I cant see my screenshots.
NEW READINGS (This Morning, After System Performance change and cleanup.)
https://www.dropbox.com/s/minf95ztoxucb63/Sensor1.PNG
https://www.dropbox.com/s/3kak48hoeh1dxd9/Sensor2.PNG
https://www.dropbox.com/s/8ie995zlpzxx29k/Sensor3.PNG
https://www.dropbox.com/s/c9cxvp805cbj0sq/Sensor4.PNG
OLD READINGS
https://www.dropbox.com/s/c2n4gbfoszi2hbj/Sensor1.PNG
https://www.dropbox.com/s/g2sym1csvi3omxo/Sensor2.PNG
https://www.dropbox.com/s/t5iuuy98arg8b87/Sensor3.PNG
https://www.dropbox.com/s/x1o6kgvb8zi3dch/Sensor4.PNG
Overclocking wise, about the only settings I changed when I set the machine up were in the Asus EFI bios, Id set the system performance to "power saving", I've now changed it back to "normal".
I havent overclocked my graphics card either, I've set the resolution at 1920x1080 @ 60Hz. I used to run another monitor off the card as well, but thats been unplugged for ages.
I cleared a lot of dust out of the case yesterday and also a fair amount out of the graphics card.
OS: Win 7 Premium
MB: Asus P8P67
GPU: HIS HD 5850
PSU: Antec 520 High Current Gamer
I'll read up on PSU's and order a new one.
Since the System Performance setting change and the dust clearout, I've taken new screenshots:




Thanks for your time
EDIT: For some reason I cant see my screenshots.
NEW READINGS (This Morning, After System Performance change and cleanup.)
https://www.dropbox.com/s/minf95ztoxucb63/Sensor1.PNG
https://www.dropbox.com/s/3kak48hoeh1dxd9/Sensor2.PNG
https://www.dropbox.com/s/8ie995zlpzxx29k/Sensor3.PNG
https://www.dropbox.com/s/c9cxvp805cbj0sq/Sensor4.PNG
OLD READINGS
https://www.dropbox.com/s/c2n4gbfoszi2hbj/Sensor1.PNG
https://www.dropbox.com/s/g2sym1csvi3omxo/Sensor2.PNG
https://www.dropbox.com/s/t5iuuy98arg8b87/Sensor3.PNG
https://www.dropbox.com/s/x1o6kgvb8zi3dch/Sensor4.PNG
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Reply to DonC_
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DonC_
July 22, 2014 12:55:40 AM
Thanks for the quick reply.
I had to reboot my machine a couple times to get a normal screen on boot.
I looked through the bios and only found mention of the 12v 3.3v and 5v readings on this screen and on the Monitors screen. (They were the same on both.)
![]()
What else can I do to cool the CPU down? Is it possible to under clock it?
I cant see any more dust around the CPU heatsink, but I'll unscrew the fan over the weekend and clean to be sure.
I had to reboot my machine a couple times to get a normal screen on boot.
I looked through the bios and only found mention of the 12v 3.3v and 5v readings on this screen and on the Monitors screen. (They were the same on both.)

What else can I do to cool the CPU down? Is it possible to under clock it?
I cant see any more dust around the CPU heatsink, but I'll unscrew the fan over the weekend and clean to be sure.
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Reply to DonC_
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DonC_
July 22, 2014 2:37:23 PM
While reading up on PSU's today, I found a Power Supply calculator that suggested I needed a bigger power supply.
Im thinking of going with this one:
Corsair 750W RM750 RM Series Power Supply
Im thinking of going with this one:
Corsair 750W RM750 RM Series Power Supply
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Reply to DonC_
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DonC_
July 22, 2014 10:23:10 PM
The closest I've come to overclocking is to turn on Power Saving.
If you look at the System Performance of my Bios screen shot, Power Saving is the first button, with Normal being the button now selected.
I've cleaned out my case by running a paintbrush over surfaces to dislodge the dust and blowing in it.
The screen corruption happens when the state of the screen changes. Ie When turning the machine on, coming out of sleep mode or when starting a game.
I've turned sleep mode off, the screen is now on all day and so far the issue hasn't caused me to lose any more work.
It happened when I turned my machine on for the first time this morning, I turned it off, and then on again and it is now fine.
Next steps
I'll unscrew the fan from the CPU heatsink and confirm there's no dust under there.
Is there anything else you can think of that I should check?
Is it possible that theres a problem with my CPU or motherboard?
If you look at the System Performance of my Bios screen shot, Power Saving is the first button, with Normal being the button now selected.
I've cleaned out my case by running a paintbrush over surfaces to dislodge the dust and blowing in it.
The screen corruption happens when the state of the screen changes. Ie When turning the machine on, coming out of sleep mode or when starting a game.
I've turned sleep mode off, the screen is now on all day and so far the issue hasn't caused me to lose any more work.
It happened when I turned my machine on for the first time this morning, I turned it off, and then on again and it is now fine.
Next steps
I'll unscrew the fan from the CPU heatsink and confirm there's no dust under there.
Is there anything else you can think of that I should check?
Is it possible that theres a problem with my CPU or motherboard?
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Reply to DonC_
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DonC_
July 23, 2014 12:11:53 PM
This morning I removed the CPU heatsink and cleared any remaining dust from under it.
In the process I removed it from the CPU, I removed the old thermal paste and applied more.
CPU temp wise, I probably need to get a better heatsink, I'm currently using the stock heatsink \ fan that came with the bundle I bought.
I've replaced my monitor with an old 21" and taken more screenshots .
![]()
![]()
![]()
![]()
In the process I removed it from the CPU, I removed the old thermal paste and applied more.
CPU temp wise, I probably need to get a better heatsink, I'm currently using the stock heatsink \ fan that came with the bundle I bought.
I've replaced my monitor with an old 21" and taken more screenshots .




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Reply to DonC_
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DonC_
July 23, 2014 12:42:31 PM
i7Baby said:
Just trying to get your cpu temp down as I suspect it's at least contributing to your problems.Can you try another monitor?
It looks like you may have been right about the overclocking.
While I've never really bothered with it, there is a section in the Asus Bios called AI Tweaker, by default its settings are set to Auto, so its possible the bios could be overclocking by default.
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Reply to DonC_
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DonC_
July 23, 2014 10:55:56 PM
I did that, but all it did was renable the Turbo mode, that Id disabled last night.
The Asus bios Overclock settings are Auto by default.
I've reset Turbo Mode to disabled.
I've also set the AI Overclock value to Manual and changed the BCLK frequency from 100 to 85.
Heres a screenshot of the screen where I changed the AI Overclock and BCLK settings
![]()
I usually have to restart my computer several times before I get a normal screen.
Aside from swapping out components, is there any way to narrow down the faulty part?
Thanks for your help so far.
The Asus bios Overclock settings are Auto by default.
I've reset Turbo Mode to disabled.
I've also set the AI Overclock value to Manual and changed the BCLK frequency from 100 to 85.
Heres a screenshot of the screen where I changed the AI Overclock and BCLK settings
I usually have to restart my computer several times before I get a normal screen.
Aside from swapping out components, is there any way to narrow down the faulty part?
Thanks for your help so far.
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Reply to DonC_
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DonC_
July 23, 2014 11:33:07 PM
i7Baby said:
In auto mode it should just run boost - not overclock.Why are you overclocking? You shouldn't if you have temp problems.
Post your build (last time I'll ask)
If anything, I thought changing to manual and setting the BLCK setting from 100 Mhz down to 85 Mhz and disabling Turbo mode would be underclocking?
Should I change it back?
I have absolutely no interest in overclocking, Im far more interested in the stability and durability of my system.
Prior to all this, I think the only setting I've changed in the bios is one that allows Virtualization and selected the Power Saving option on the main bios screen.
OS: Win 7 Premium
PSU: Antec 520 High Current Gamer
MB: Asus P8P67
CPU: Intel Core i5-2500K (3300 MHz
MEM: 4x 4096MB PC3-12800 DDR3 SDRam
GPU: HIS HD 5850
SSD: OCZ-AGILITY3 (120GB)
HD1: Western Digital 3TB @ 6GB/s
HD2: Seagate 4TB @ 6Gb/s
Let me know if I've left anything off.
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Reply to DonC_
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Don't overclock unless you have a custom cooler eg coolermaster hy[er 212 evo or better.
Put the cpu back to auto.
Your cpu turbo speed will vary as to the load on the number of cores - http://www.cpu-world.com/CPUs/Core_i5/Intel-Core%20i5-2... - from 3.4 to 3.7GHz. That's normal. Let it do it.
Then post your cpu temps - from bios/uefi - "UEFI BIOS (EZ Mode) - Flexible & Easy BIOS Interface" per http://www.asus.com/Motherboards/P8P67/overview/
Put the cpu back to auto.
Your cpu turbo speed will vary as to the load on the number of cores - http://www.cpu-world.com/CPUs/Core_i5/Intel-Core%20i5-2... - from 3.4 to 3.7GHz. That's normal. Let it do it.
Then post your cpu temps - from bios/uefi - "UEFI BIOS (EZ Mode) - Flexible & Easy BIOS Interface" per http://www.asus.com/Motherboards/P8P67/overview/
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Reply to i7Baby
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DonC_
July 24, 2014 1:02:05 AM
i7Baby said:
Don't overclock unless you have a custom cooler eg coolermaster hy[er 212 evo or better.Put the cpu back to auto.
Your cpu turbo speed will vary as to the load on the number of cores - http://www.cpu-world.com/CPUs/Core_i5/Intel-Core%20i5-2... - from 3.4 to 3.7GHz. That's normal. Let it do it.
Then post your cpu temps - from bios/uefi - "UEFI BIOS (EZ Mode) - Flexible & Easy BIOS Interface" per http://www.asus.com/Motherboards/P8P67/overview/
I've set Turbo Mode back to enabled.
I've set Ai Overclock Tuner back to Auto
Heres a screenshot from my pc of the bios temps, is that what you're looking for?

The bios is reporting it as 65c, but HWInfo is reporting it as 41c?
Apologies for the previous screenshot, I should have been more clear Id found it online as I wanted to show where the settings Id changed were, but hadn't taken a picture of the change at the time.
In changing the Ai Overclock tuner to manual and the BLCK frequency from 100 to 85 Mhz, the All Core Target CPU Turbo-Mode Speed had reduced from 3300MHz to 2805MHz.
When starting my computer (even to access the bios), I have to restart 4 - 7 times before I get a usable screen. This also happens first thing in the morning when the computer has been off all night.
I've disabled sleep mode, so Im not affected while the computer is on... unless I try to start a game.
Civ 4 seems mostly fine, but Magic: The Gathering usually has a corrupted screen.
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-RHINO-
July 24, 2014 5:30:19 AM
-RHINO-
July 24, 2014 6:05:40 AM
DonC_
July 24, 2014 6:09:03 AM
Hi Guys,
I did some searching and found "Intel Processor Diagnostic Tool 64bit" which I dl'ed and ran.
https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=19792
Overall it says my processor passed the test, but here are warnings.
--- Reading CPU Manufacturer ---
Expected --> GenuineIntel
Detected --> GenuineIntel
Found --- Genuine Intel Processor ---
--- Temperature Test ---
Temperature Test Passed!!!
Temperature = 50 degrees C below maximum.
--- Reading CPU Frequency ---
Expected CPU Frequency is --> 3.30
Detected CPU Frequency is --> 3.70027
CPU Frequency Test Passed with Warning!!!
The processor frequency could be affected by power management features. In order
to ensure the processor frequency is not affected by a power management setting,
enter BIOS, load defaults, and disable any 'Over-Clocking' or power
management features that may affect processor frequency. Also, set any
software applications which control power management features to default.
Heres the full results of the diagnostic:
https://www.dropbox.com/s/764hmgymvxd2p30/TestResults_Full.txt
I'll see if there are any diagnostics I can run on my motherboard.
I did some searching and found "Intel Processor Diagnostic Tool 64bit" which I dl'ed and ran.
https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=19792
Overall it says my processor passed the test, but here are warnings.
Quote:
--- Reading CPU Manufacturer ---
Expected --> GenuineIntel
Detected --> GenuineIntel
Found --- Genuine Intel Processor ---
--- Temperature Test ---
Temperature Test Passed!!!
Temperature = 50 degrees C below maximum.
Quote:
--- Reading CPU Frequency ---
Expected CPU Frequency is --> 3.30
Detected CPU Frequency is --> 3.70027
CPU Frequency Test Passed with Warning!!!
The processor frequency could be affected by power management features. In order
to ensure the processor frequency is not affected by a power management setting,
enter BIOS, load defaults, and disable any 'Over-Clocking' or power
management features that may affect processor frequency. Also, set any
software applications which control power management features to default.
Heres the full results of the diagnostic:
https://www.dropbox.com/s/764hmgymvxd2p30/TestResults_Full.txt
I'll see if there are any diagnostics I can run on my motherboard.
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-RHINO-
July 24, 2014 6:14:23 AM
DonC_
July 25, 2014 12:35:08 AM
ITS BEEN THE FRICKING MONITOR ALL ALONG.
Yesterday Id attached the second monitor and ran with dual screens for a couple hours.
At one point I turned my Iiyama monitor off and turned back on and saw the blocky screen. (The other monitor was fine.) Turning it off and back on half a dozen times returned the screen to normal.
I'd plugged the second monitor in previously, but hadnt used it long as it was difficult to work with.
Its the monitor itself rather than the connections. I was still getting the same problem when I plugged the HDMI cable in.
I wish it had been the processor or mb, the monitor is going to cost to replace.
(
As you guys suggest, I'll definitely be ordering a better CPU cooler this weekend.
Thanks for taking the time to help.
I wish it
Yesterday Id attached the second monitor and ran with dual screens for a couple hours.
At one point I turned my Iiyama monitor off and turned back on and saw the blocky screen. (The other monitor was fine.) Turning it off and back on half a dozen times returned the screen to normal.
I'd plugged the second monitor in previously, but hadnt used it long as it was difficult to work with.
Its the monitor itself rather than the connections. I was still getting the same problem when I plugged the HDMI cable in.
I wish it had been the processor or mb, the monitor is going to cost to replace.
(As you guys suggest, I'll definitely be ordering a better CPU cooler this weekend.
Thanks for taking the time to help.
I wish it
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-RHINO-
July 25, 2014 7:11:36 AM
DonC_
July 27, 2014 6:00:59 AM
-RHINO- said:
No problem. I'd rather have a bad monitor than CPU or MOBO.Very true.
I've been testing the monitor further and confirmed I have the same issue with my PS3. If I turn the monitor on and off the display gets randomly better or worse.
The weird thing is that the VGA input works fine, while both the HDMI and DVI have the same distortions.
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