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Displayport to VGA Adapter problem

Dean0919
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I have this problem: My monitor is connected to my PC with display port cable, which was working fine. Today I decided to swap my monitor to my wife's monitor. So I tried to connect my monitor which has only HDMI, Display port and DVI ports to her computer which unfortunately has only VGA port, so for that I bought this Displayport to VGA Adapter & tried to make it work, but monitor gave me message: "check cable connection". I tried everything, turned off, turned on, but didn't work, so then I took my monitor back and tried to connect it with Display port cable like I used to, but boom! It gives me same message. I don't know what to think now. Did that adapter damaged my display port cable at all? Or did my monitor's display port port got damaged by that cable now? Or I don't know what to think. I'm super upset. Not only I wasted 15$ for that useless adapter, but now can't even use display port anymore and now I'm using HDMI cable. I don't know if it's related but on the package of that adapter it says: "supports up to 1080p resolution". My monitor has 2560x1080p resolution. What are your thoughts?

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so you went back and it still isnt working with how you had it before? did you try a VGA to DP adapter where the VGA port is directly on the pc, has a short run or no run to the DP port, and then run the dp to your monitor? or did you run a long VGA cable and then plug the adapter directly into your monitor? 

Rig 1: i7-9700k OC'd to 5.0ghz all core | EVGA XC RTX 2080Ti | ADATA DDR4 2400mhz 4x8gb | ASUS PRIME Z370-P | Asetek 550LC 120mm | ADATA 480GB SSD & Toshiba P300 3TB | Cooler Master Masterbox MB500 | Win 10 Home | Logitech G910 Orion Spectrum, G502 Proteus Spectrum, G933 Artemis Spectrum Snow Wireless Limited Edition, Corsair MM300 Mouse Pad | 2 MSI Optix Curved 27" FHD Monitors 

 

(before i sold the WD drive and MSI gpu - https://www.userbenchmark.com/UserRun/11946219 171 gaming. felt good.)

 

Rig 2: i7-7700k Stock clocks | MSI Armor GTX 1070 | ADATA DDR4 2400mhz 2x8GB | MSI Z270 A-Pro | WD Green 240GB SSD & 2TB Seagate HDD | Thermaltake Core G21 Tempered Glass Edition | Win 10 Home | 2 HP Omen FHD 144hz 24.5" Monitors 

 

Rig 3: i7-6700 | GT 730 & GT 645 OEM | Some random DDR4 2133mhz 2x8gb sticks | OEM Dell Mobo | WD Black 2TB HDD & Toshiba 1TB HDD | Win 10 Home | 3 27" Dell FHD Monitors 

 

Rig 4: i7-4770 | EVGA SSC 1050ti | Some random DDR3 ram 2x2gb and 2x4gb sticks | OEM Dell Mobo | Stock Cooler | 1TB WD Black HDD | Win 7 Home 

 

RIP 

 

Rig 5 (dead and dismantled and sold) : i7-7820X OC'd to 4.8ghz all core | MSI DUKE 1080ti | ADATA DDR4 2400mhz 4x8gb | Gigabyte X299 UD4 PRO | Asetek 240mm AIO | WD Green 240gb SSD | Other various components that I can't remember

 

Rig 6 (same fate as rig 5) i7-8700k stock clocks | MSI DUKE 1080ti | ADATA DDR4 2400mhz 2x8gb | MSI Z370 A-Pro | Asetek 550LC 120mm | WD Green 240GB SSD & Toshiba 2TB HDD | Other various components that I can't Remember 

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porting from vga to dp is a) not a good idea and b) adapters work only in the direction dp -> vga (dp on the pc, vga on the monitor)

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2 minutes ago, 19_blackie_73 said:

porting from vga to dp is a) not a good idea and b) adapters work only in the direction dp -> vga (dp on the pc, vga on the monitor)

that's what I thought, but wasn't sure so voiced my opinions to get more of a solid explanation. HOWEVER, i dont understand why it wont work after OP brought it back to the original configuration. 

Rig 1: i7-9700k OC'd to 5.0ghz all core | EVGA XC RTX 2080Ti | ADATA DDR4 2400mhz 4x8gb | ASUS PRIME Z370-P | Asetek 550LC 120mm | ADATA 480GB SSD & Toshiba P300 3TB | Cooler Master Masterbox MB500 | Win 10 Home | Logitech G910 Orion Spectrum, G502 Proteus Spectrum, G933 Artemis Spectrum Snow Wireless Limited Edition, Corsair MM300 Mouse Pad | 2 MSI Optix Curved 27" FHD Monitors 

 

(before i sold the WD drive and MSI gpu - https://www.userbenchmark.com/UserRun/11946219 171 gaming. felt good.)

 

Rig 2: i7-7700k Stock clocks | MSI Armor GTX 1070 | ADATA DDR4 2400mhz 2x8GB | MSI Z270 A-Pro | WD Green 240GB SSD & 2TB Seagate HDD | Thermaltake Core G21 Tempered Glass Edition | Win 10 Home | 2 HP Omen FHD 144hz 24.5" Monitors 

 

Rig 3: i7-6700 | GT 730 & GT 645 OEM | Some random DDR4 2133mhz 2x8gb sticks | OEM Dell Mobo | WD Black 2TB HDD & Toshiba 1TB HDD | Win 10 Home | 3 27" Dell FHD Monitors 

 

Rig 4: i7-4770 | EVGA SSC 1050ti | Some random DDR3 ram 2x2gb and 2x4gb sticks | OEM Dell Mobo | Stock Cooler | 1TB WD Black HDD | Win 7 Home 

 

RIP 

 

Rig 5 (dead and dismantled and sold) : i7-7820X OC'd to 4.8ghz all core | MSI DUKE 1080ti | ADATA DDR4 2400mhz 4x8gb | Gigabyte X299 UD4 PRO | Asetek 240mm AIO | WD Green 240gb SSD | Other various components that I can't remember

 

Rig 6 (same fate as rig 5) i7-8700k stock clocks | MSI DUKE 1080ti | ADATA DDR4 2400mhz 2x8gb | MSI Z370 A-Pro | Asetek 550LC 120mm | WD Green 240GB SSD & Toshiba 2TB HDD | Other various components that I can't Remember 

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18 minutes ago, 19_blackie_73 said:

porting from vga to dp is a) not a good idea and b) adapters work only in the direction dp -> vga (dp on the pc, vga on the monitor)

Then, I don't understand why they sell such things if they don't work that way & I paid 15 bucks for it. Also why my cable isn't working anymore.

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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It says DP to VGA not the other way around.

DP is digital signal, VGA is analog.

It needs a special chip to convert the signal.

So the converter has to convert the digital signal to analog, not the other way around.

Maybe you will need an analog to digital converter to output the vga port.

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21 minutes ago, TH3R34P3R said:

so you went back and it still isnt working with how you had it before? did you try a VGA to DP adapter where the VGA port is directly on the pc, has a short run or no run to the DP port, and then run the dp to your monitor? or did you run a long VGA cable and then plug the adapter directly into your monitor? 

Exactly. it's not working anymore. I put this adapter on VGA cable which is connected on my wife's PC, then I put it in my monitor, in display port port and it doesn't give me signal. Then I went back to my PC with display port cable and it's still not giving me signal anymore. Could this adapter damage this cable?

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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i doubt that it could damage it... but its not out of the realm of possibility. can you try every display port on your GPU? (or mobo if you integrated) 

Rig 1: i7-9700k OC'd to 5.0ghz all core | EVGA XC RTX 2080Ti | ADATA DDR4 2400mhz 4x8gb | ASUS PRIME Z370-P | Asetek 550LC 120mm | ADATA 480GB SSD & Toshiba P300 3TB | Cooler Master Masterbox MB500 | Win 10 Home | Logitech G910 Orion Spectrum, G502 Proteus Spectrum, G933 Artemis Spectrum Snow Wireless Limited Edition, Corsair MM300 Mouse Pad | 2 MSI Optix Curved 27" FHD Monitors 

 

(before i sold the WD drive and MSI gpu - https://www.userbenchmark.com/UserRun/11946219 171 gaming. felt good.)

 

Rig 2: i7-7700k Stock clocks | MSI Armor GTX 1070 | ADATA DDR4 2400mhz 2x8GB | MSI Z270 A-Pro | WD Green 240GB SSD & 2TB Seagate HDD | Thermaltake Core G21 Tempered Glass Edition | Win 10 Home | 2 HP Omen FHD 144hz 24.5" Monitors 

 

Rig 3: i7-6700 | GT 730 & GT 645 OEM | Some random DDR4 2133mhz 2x8gb sticks | OEM Dell Mobo | WD Black 2TB HDD & Toshiba 1TB HDD | Win 10 Home | 3 27" Dell FHD Monitors 

 

Rig 4: i7-4770 | EVGA SSC 1050ti | Some random DDR3 ram 2x2gb and 2x4gb sticks | OEM Dell Mobo | Stock Cooler | 1TB WD Black HDD | Win 7 Home 

 

RIP 

 

Rig 5 (dead and dismantled and sold) : i7-7820X OC'd to 4.8ghz all core | MSI DUKE 1080ti | ADATA DDR4 2400mhz 4x8gb | Gigabyte X299 UD4 PRO | Asetek 240mm AIO | WD Green 240gb SSD | Other various components that I can't remember

 

Rig 6 (same fate as rig 5) i7-8700k stock clocks | MSI DUKE 1080ti | ADATA DDR4 2400mhz 2x8gb | MSI Z370 A-Pro | Asetek 550LC 120mm | WD Green 240GB SSD & Toshiba 2TB HDD | Other various components that I can't Remember 

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1 minute ago, SupaKomputa said:

It says DP to VGA not the other way around.

DP is digital signal, VGA is analog.

It needs a special chip to convert the signal.

So the converter has to convert the digital signal to analog, not the other way around.

Maybe you will need an analog to digital converter to output the vga port.

So you're saying if I would put that adapter in cable, display port should be connected in my PC and vga part into monitor? And when I did in opposite, that's why it didn't work? Could it damage cable?

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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Just now, TH3R34P3R said:

i doubt that it could damage it... but its not out of the realm of possibility. can you try every display port on your GPU? (or mobo if you integrated) 

Yes, I tried and non of them gives signal.

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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i honestly have no clue then... does the monitor have multiple DP ports?

Rig 1: i7-9700k OC'd to 5.0ghz all core | EVGA XC RTX 2080Ti | ADATA DDR4 2400mhz 4x8gb | ASUS PRIME Z370-P | Asetek 550LC 120mm | ADATA 480GB SSD & Toshiba P300 3TB | Cooler Master Masterbox MB500 | Win 10 Home | Logitech G910 Orion Spectrum, G502 Proteus Spectrum, G933 Artemis Spectrum Snow Wireless Limited Edition, Corsair MM300 Mouse Pad | 2 MSI Optix Curved 27" FHD Monitors 

 

(before i sold the WD drive and MSI gpu - https://www.userbenchmark.com/UserRun/11946219 171 gaming. felt good.)

 

Rig 2: i7-7700k Stock clocks | MSI Armor GTX 1070 | ADATA DDR4 2400mhz 2x8GB | MSI Z270 A-Pro | WD Green 240GB SSD & 2TB Seagate HDD | Thermaltake Core G21 Tempered Glass Edition | Win 10 Home | 2 HP Omen FHD 144hz 24.5" Monitors 

 

Rig 3: i7-6700 | GT 730 & GT 645 OEM | Some random DDR4 2133mhz 2x8gb sticks | OEM Dell Mobo | WD Black 2TB HDD & Toshiba 1TB HDD | Win 10 Home | 3 27" Dell FHD Monitors 

 

Rig 4: i7-4770 | EVGA SSC 1050ti | Some random DDR3 ram 2x2gb and 2x4gb sticks | OEM Dell Mobo | Stock Cooler | 1TB WD Black HDD | Win 7 Home 

 

RIP 

 

Rig 5 (dead and dismantled and sold) : i7-7820X OC'd to 4.8ghz all core | MSI DUKE 1080ti | ADATA DDR4 2400mhz 4x8gb | Gigabyte X299 UD4 PRO | Asetek 240mm AIO | WD Green 240gb SSD | Other various components that I can't remember

 

Rig 6 (same fate as rig 5) i7-8700k stock clocks | MSI DUKE 1080ti | ADATA DDR4 2400mhz 2x8gb | MSI Z370 A-Pro | Asetek 550LC 120mm | WD Green 240GB SSD & Toshiba 2TB HDD | Other various components that I can't Remember 

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1 minute ago, TH3R34P3R said:

i honestly have no clue then... does the monitor have multiple DP ports?

No, only one.

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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i really don't know what else to do then... i never have heard of it killing a port by using an adapter

Rig 1: i7-9700k OC'd to 5.0ghz all core | EVGA XC RTX 2080Ti | ADATA DDR4 2400mhz 4x8gb | ASUS PRIME Z370-P | Asetek 550LC 120mm | ADATA 480GB SSD & Toshiba P300 3TB | Cooler Master Masterbox MB500 | Win 10 Home | Logitech G910 Orion Spectrum, G502 Proteus Spectrum, G933 Artemis Spectrum Snow Wireless Limited Edition, Corsair MM300 Mouse Pad | 2 MSI Optix Curved 27" FHD Monitors 

 

(before i sold the WD drive and MSI gpu - https://www.userbenchmark.com/UserRun/11946219 171 gaming. felt good.)

 

Rig 2: i7-7700k Stock clocks | MSI Armor GTX 1070 | ADATA DDR4 2400mhz 2x8GB | MSI Z270 A-Pro | WD Green 240GB SSD & 2TB Seagate HDD | Thermaltake Core G21 Tempered Glass Edition | Win 10 Home | 2 HP Omen FHD 144hz 24.5" Monitors 

 

Rig 3: i7-6700 | GT 730 & GT 645 OEM | Some random DDR4 2133mhz 2x8gb sticks | OEM Dell Mobo | WD Black 2TB HDD & Toshiba 1TB HDD | Win 10 Home | 3 27" Dell FHD Monitors 

 

Rig 4: i7-4770 | EVGA SSC 1050ti | Some random DDR3 ram 2x2gb and 2x4gb sticks | OEM Dell Mobo | Stock Cooler | 1TB WD Black HDD | Win 7 Home 

 

RIP 

 

Rig 5 (dead and dismantled and sold) : i7-7820X OC'd to 4.8ghz all core | MSI DUKE 1080ti | ADATA DDR4 2400mhz 4x8gb | Gigabyte X299 UD4 PRO | Asetek 240mm AIO | WD Green 240gb SSD | Other various components that I can't remember

 

Rig 6 (same fate as rig 5) i7-8700k stock clocks | MSI DUKE 1080ti | ADATA DDR4 2400mhz 2x8gb | MSI Z370 A-Pro | Asetek 550LC 120mm | WD Green 240GB SSD & Toshiba 2TB HDD | Other various components that I can't Remember 

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3 minutes ago, jason938 said:

So you're saying if I would put that adapter in cable, display port should be connected in my PC and vga part into monitor? And when I did in opposite, that's why it didn't work? Could it damage cable?

Yeah DP part to the pc the vga part to the monitor.

This controller solved the problem of people who has no vga port but still wanted to use their old vga only monitor.

To damage the monitor i don't think it can do that, but i don't know, as you are reversing the electrical current.

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For $15 you may have more luck with used cheap pci-e cards.

Or you can use USB GPU like this one:

image.png.4a52bff7105d176cd4c3c35d2fd3e515.png

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18 minutes ago, TH3R34P3R said:

i really don't know what else to do then... i never have heard of it killing a port by using an adapter

I think it killed my display port cable. Tomorrow will try to test this cable with others.

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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Well I tested the cable and it seems working. Our IT guy gave me new display port cable to test my monitor, I tested, plugged it in monitor and it still says "check cable connection". Seems like that adapter damaged my monitor's display port port :(
Well, good thing is I still can use my monitor just with HDMI instead of display port.

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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As mentioned, most adapters only work in one direction. "DisplayPort to VGA" is for a DP source to a VGA display. You would need a VGA to DisplayPort adapter, which I'm not sure even exists, since demand would be very low.

 

I doubt plugging in an adapter the wrong way would damage the monitor. Try unplugging the monitor from power for a minute, that forces a hard reset and sometimes doing that will help.

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2 hours ago, Glenwing said:

As mentioned, most adapters only work in one direction. "DisplayPort to VGA" is for a DP source to a VGA display. You would need a VGA to DisplayPort adapter, which I'm not sure even exists, since demand would be very low.

 

I doubt plugging in an adapter the wrong way would damage the monitor. Try unplugging the monitor from power for a minute, that forces a hard reset and sometimes doing that will help.

I unplugged it for whole night and still it's same, can't make it work anymore.

CPU: Intel® Core™ i5-10400F | COOLER: Arctic Freezer 34 eSports | MOTHERBOARD: Gigabyte B460M DS3H | RAM: Viper Steel Series 32GB | GPU: Gigabyte GTX 1070 G1 Gaming 8GB | STORAGE: Kingston 240GB SA400M8 SSD + 2TB HDD + 4TB HDD | CASE: Cooler Master HAF 912 Plus | PSU: XFX PRO1050W Black Edition (80+ Gold) | KEYBOARD: Corsair Vengeance K70 | MOUSE: Logitech G502 | MOUSEPAD: Marvo MG010 | MONITOR: Dell S2721D 27" | SPEAKERS: Microlab Solo7C | HEADSET: Trust GXT 410 Rune Illuminated | WEBCAM: Fifine 1440P | OS: Windows 10 64bit

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