Internet connection loss due to 2 monitors

R

rm24uk

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Location
Manchester
Greetings forum users

I have 2 monitors hitched up to the same GPU 1 via DVI input 1 via VGA when i turn monitor number 2 on (vga) it causes me to lose my broadband connection totally! the pc is hard wired to the sky hub i hitched the 2 monitors up around 3 months ago and all was fine, it started to do this around a week ago so yesterday i decided to do a format and fresh re install now today it has started to do it again all of the drivers were correctly reinstalled ASUS Board and Lan drivers GPU drivers etc has anybody heard of this happening and know what i can do to stop it??

Thanks in advance
Rm
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
only DVI: internet works?
only VGA: internet works?

Goto "Device Manager". Any devices with faulty drivers? Any "Other Devices" in list?
 

My Computer My Computer

At a glance

Microsoft Windows 7 Home Premium 64-bits 7601...Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz4,00 GBATI Mobility Radeon HD 5400 Series
Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
I just tested that theory now, as soon as i turned the VGA one on the net went off, i then turned the DVI one off waited till the connection recovered and then switched dvi one on the connection has not gone off yet as soon as i turn the vga one on and off the connection goes south

No anomaly's within the device manager no
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
rm24uk said:
I just tested that theory now, as soon as i turned the VGA one on the net went off, i then turned the DVI one off waited till the connection recovered and then switched dvi one on the connection has not gone off yet as soon as i turn the vga one on and off the connection goes south

No anomaly's within the device manager no
Click to expand...
So only a problem if VGA is connected (DVI connected or not doesn't matter).
Post output of "route -4 print" twice. Once when internet is working, and once when not working
 

My Computer My Computer

At a glance

Microsoft Windows 7 Home Premium 64-bits 7601...Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz4,00 GBATI Mobility Radeon HD 5400 Series
Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
am not that clued up as to what you are asking for, did you mean goto cmd and use route -4??
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
how do you copy from dos again lol
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Rob GTF>route -4 print
===========================================================================
Interface List
17...00 26 83 31 88 d5 ......Bluetooth Device (Personal Area Network)
11...14 da e9 29 be 0e ......Intel(R) 82579V Gigabit Network Connection
1...........................Software Loopback Interface 1
12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
13...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
15...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.5 20
127.0.0.0 255.0.0.0 On-link 127.0.0.1 306
127.0.0.1 255.255.255.255 On-link 127.0.0.1 306
127.255.255.255 255.255.255.255 On-link 127.0.0.1 306
192.168.0.0 255.255.255.0 On-link 192.168.0.5 276
192.168.0.5 255.255.255.255 On-link 192.168.0.5 276
192.168.0.255 255.255.255.255 On-link 192.168.0.5 276
224.0.0.0 240.0.0.0 On-link 127.0.0.1 306
224.0.0.0 240.0.0.0 On-link 192.168.0.5 276
255.255.255.255 255.255.255.255 On-link 127.0.0.1 306
255.255.255.255 255.255.255.255 On-link 192.168.0.5 276
===========================================================================
Persistent Routes:
None

C:\Users\Rob GTF>
 
Last edited:

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
actually: route print -4 from the command line
 

My Computer My Computer

At a glance

Microsoft Windows 10 Home Build 15036Intel(R) Core(TM) i7-860 @ 2.80GHz4.00 GBNVIDIA GeForce GTX 750
Computer type
PC/Desktop
Computer Manufacturer/Model Number
iBuyPower NZXT
OS
Microsoft Windows 10 Home Build 15036
CPU
Intel(R) Core(TM) i7-860 @ 2.80GHz
Motherboard
Gigabyte Technology Co., Ltd. P55-UD3L
Memory
4.00 GB
Graphics Card(s)
NVIDIA GeForce GTX 750
Sound Card
(1) Line 6 UX2 (2) Realtek High Definition Audio
Monitor(s) Displays
23" acer
Screen Resolution
1920 x 1080 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
(1) WDC WD5000AAKS-00D2B0 ATA Device (2) Seagate FreeAgent Go 250G USB Device
Cooling
Corsair H75 liquid cooler (Very easy to install, actually)
Internet Speed
60M cable modem-->Linksys E1200-->1Gbps net card
Browser
Chrome
Other Info
This is probably the longest I've ever had a Windows machine run without having to restore it to scratch. I'm used to restoring to "factory" about every 2 yrs. I've run with Win7 since new in 2009 and only recently (Nov, '14) restored to clean up the machine from all my 'xperimenting. LOL!! I may never need another machine.

Upgraded to 10 when it was still free, then installed 2017 update.
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Rob GTF>route -4 print
===========================================================================
Interface List
17...00 26 83 31 88 d5 ......Bluetooth Device (Personal Area Network)
11...14 da e9 29 be 0e ......Intel(R) 82579V Gigabit Network Connection
1...........................Software Loopback Interface 1
12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
13...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
15...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.5 20
127.0.0.0 255.0.0.0 On-link 127.0.0.1 306
127.0.0.1 255.255.255.255 On-link 127.0.0.1 306
127.255.255.255 255.255.255.255 On-link 127.0.0.1 306
192.168.0.0 255.255.255.0 On-link 192.168.0.5 276
192.168.0.5 255.255.255.255 On-link 192.168.0.5 276
192.168.0.255 255.255.255.255 On-link 192.168.0.5 276
224.0.0.0 240.0.0.0 On-link 127.0.0.1 306
224.0.0.0 240.0.0.0 On-link 192.168.0.5 276
255.255.255.255 255.255.255.255 On-link 127.0.0.1 306
255.255.255.255 255.255.255.255 On-link 192.168.0.5 276
===========================================================================
Persistent Routes:
None

C:\Users\Rob GTF>route -4 print
===========================================================================
Interface List
17...00 26 83 31 88 d5 ......Bluetooth Device (Personal Area Network)
11...14 da e9 29 be 0e ......Intel(R) 82579V Gigabit Network Connection
1...........................Software Loopback Interface 1
12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
13...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
15...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.5 20
127.0.0.0 255.0.0.0 On-link 127.0.0.1 306
127.0.0.1 255.255.255.255 On-link 127.0.0.1 306
127.255.255.255 255.255.255.255 On-link 127.0.0.1 306
192.168.0.0 255.255.255.0 On-link 192.168.0.5 276
192.168.0.5 255.255.255.255 On-link 192.168.0.5 276
192.168.0.255 255.255.255.255 On-link 192.168.0.5 276
224.0.0.0 240.0.0.0 On-link 127.0.0.1 306
224.0.0.0 240.0.0.0 On-link 192.168.0.5 276
255.255.255.255 255.255.255.255 On-link 127.0.0.1 306
255.255.255.255 255.255.255.255 On-link 192.168.0.5 276
===========================================================================
Persistent Routes:
None

C:\Users\Rob GTF>
C:\Users\Rob GTF>
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
First lot of figures is connected second lot is disconnected
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
ping 192.168.0.1
ping 192.168.0.5

works in command prompt (4 sent, 0 lost)? Also when internet is working fine
 

My Computer My Computer

At a glance

Microsoft Windows 7 Home Premium 64-bits 7601...Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz4,00 GBATI Mobility Radeon HD 5400 Series
Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
It seems to have corrected itself for now, thankyou for your help
 

My Computer My Computer

At a glance

Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bitIntel Core i7 2700k @3.50Ghz SandybridgeCorsair DDR3 16gbAsus GEFORCE GTX 970
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home Built
OS
Windows 7 Ultimate V6.1 (Build 7601 SP1) 64 bit
CPU
Intel Core i7 2700k @3.50Ghz Sandybridge
Motherboard
ASUS P8Z68-V Pro
Memory
Corsair DDR3 16gb
Graphics Card(s)
Asus GEFORCE GTX 970
Monitor(s) Displays
HP LP1965, Samsung Syncmaster 172
Screen Resolution
1280 x 1024
Hard Drives
C 160Gb
D 1TB
E 2TB
F 160Gb
PSU
Corsair CX600
Case
Xigmatec Utgard
Cooling
Corsair H80
Keyboard
Logitech
Mouse
Logitech
Internet Speed
20mb
Antivirus
AVG
Browser
Chrome
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