Help! No signal when i connect my pc to my tv

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Xnefoo

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I recently bought a LG 55" Tv it has a pc setting so i use my vga cable to hookup my tv to my pc. But it says no signal when i switch to pc mode. I have a Gateway® FX6803-25.
 

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Windows 7 Home Premium 64BitAMD Phenom II x4 920 ProcessorCorsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5...GeForce 8600 GT (EVGA)
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Windows 7 Home Premium 64Bit
CPU
AMD Phenom II x4 920 Processor
Motherboard
Gigabyte Technology Co., Ltd. GA-MA785GM-US2H (Socket AM2)
Memory
Corsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5-5-18)
Graphics Card(s)
GeForce 8600 GT (EVGA)
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
Acer X193W
Screen Resolution
1440 X 900
Hard Drives
244GB Seagate ST3250410AS ATA Device (SATA)
Xnefoo said:
I recently bought a LG 55" Tv it has a pc setting so i use my vga cable to hookup my tv to my pc. But it says no signal when i switch to pc mode. I have a Gateway® FX6803-25.
Click to expand...


Check device manager for driver.

Please go to start>search>type device manager.
Are there any "unknown devices" with yellow triangles on them?
Is you driver there , listed, and working?

If your driver is missing, or there is a yellow triangle on it, you will need to update it.
 

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HP Pavillion dv-7 1005 Tx
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Win 8 Release candidate 8400
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[email protected]
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4 gigs
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Nvidia 9600M
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HD built-in
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17" Wxga
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1440x900
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none
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nope
 

My Computer My Computer

At a glance

Windows 7 Home Premium 64BitAMD Phenom II x4 920 ProcessorCorsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5...GeForce 8600 GT (EVGA)
OS
Windows 7 Home Premium 64Bit
CPU
AMD Phenom II x4 920 Processor
Motherboard
Gigabyte Technology Co., Ltd. GA-MA785GM-US2H (Socket AM2)
Memory
Corsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5-5-18)
Graphics Card(s)
GeForce 8600 GT (EVGA)
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
Acer X193W
Screen Resolution
1440 X 900
Hard Drives
244GB Seagate ST3250410AS ATA Device (SATA)
If you were using an computer monitor previously that was using a higher non - Vga resolution, Ex - 1920 x 1080 then you may have to go into display properties and switch to a lower Vga supported resolution, Ex - 1024 x 768. It is also a good idea to check in the Bios ( if applicable ) if video output is set to on board or PCI-E.

Also if your TV and computer support it a DVI or HDMI connection will yield much better picture quality and higher resolutions.
 

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PC/Desktop
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My own abomination, I call it the Money Pit
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Windows 10 Pro x 2/Windows 11 Home
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Intel i7 2600K @ 3.40 GHz
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ASUS Sabertooth P67
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Corsair Vengeance 16GB DDR3 1600MHz CL8 Dual Channel Kit
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EVGA GeForce RTX 3080 XC3 ULTRA GAMING 10GB GDDR6X
Sound Card
Onboard Realtek or Nvidia High Definition Audio (HDMI)
Monitor(s) Displays
Samsung JS7000 50" SUHD TV or Samsung 27" FHD 60Hz 8ms GTG V
Screen Resolution
1920 x 1080
Hard Drives
1 x Samsung 870 EVO 250 GB SSD (Windows 10 Pro), 1 x Samsung 850 EVO 250 GB SSD (Windows 10 Pro)
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Corsair AX860 - 860W Modular Power Supply
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Phanteks Enthoo Luxe Full Tower Case - Black
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CORSAIR Hydro Series H150i PRO RGB 360mm Liquid CPU Cooler
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Latest Version Of Firefox & Microsoft Edge Chromium Stable
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LG Super Multi Blue Internal Blu-ray Disk Rewriter - BH10LS30
6x2 HDMI Switcher (6 inputs, 2 outputs) so I can send the output of my Cable Box, Roku, or any my 4 computers to either my TV or Monitor separately or simultaneously.
well ok then i have a hdmi cable that i could use but when i hook it up to my pc to my tv it still says no signal.
 

My Computer My Computer

At a glance

Windows 7 Home Premium 64BitAMD Phenom II x4 920 ProcessorCorsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5...GeForce 8600 GT (EVGA)
OS
Windows 7 Home Premium 64Bit
CPU
AMD Phenom II x4 920 Processor
Motherboard
Gigabyte Technology Co., Ltd. GA-MA785GM-US2H (Socket AM2)
Memory
Corsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5-5-18)
Graphics Card(s)
GeForce 8600 GT (EVGA)
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
Acer X193W
Screen Resolution
1440 X 900
Hard Drives
244GB Seagate ST3250410AS ATA Device (SATA)
IownAmoneyPit said:
If you were using an computer monitor previously that was using a higher non - Vga resolution, Ex - 1920 x 1080 then you may have to go into display properties and switch to a lower Vga supported resolution, Ex - 1024 x 768. It is also a good idea to check in the Bios ( if applicable ) if video output is set to on board or PCI-E.

Also if your TV and computer support it a DVI or HDMI connection will yield much better picture quality and higher resolutions.
Click to expand...

My pc monitor has a native resoulution of 1920 X 1080 and my tv is the same.
 

My Computer My Computer

At a glance

Windows 7 Home Premium 64BitAMD Phenom II x4 920 ProcessorCorsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5...GeForce 8600 GT (EVGA)
OS
Windows 7 Home Premium 64Bit
CPU
AMD Phenom II x4 920 Processor
Motherboard
Gigabyte Technology Co., Ltd. GA-MA785GM-US2H (Socket AM2)
Memory
Corsair 4.0GB Dual-Channel DDR2 @ 401MHz (5-5-5-18)
Graphics Card(s)
GeForce 8600 GT (EVGA)
Sound Card
Realtek High Definition Audio
Monitor(s) Displays
Acer X193W
Screen Resolution
1440 X 900
Hard Drives
244GB Seagate ST3250410AS ATA Device (SATA)
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