HP Envy dv6 dropping the LAN and WIFI connection

Dave76

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Hello,

A friend of mine just bought a HP Envy dv6-1148ca and the LAN and WIFI keeps dropping out.
He has re-installed W8 twice with the same results.

System specs:
W8 64bit
AMD A8-4500M
8GB RAM DDR3 800MHz
750 GB HDD
AMD Radeon HD 7640G
Ralink RT 3290 802.1 bng WIFI adaptor - Driver v5.0.2.0 Date:2012-08-08
Realtek PCIe GBE Family Controller - Network adapter, Driver v8.3.730.2012 Date:2012-07-30

Searches showed others with HP laptops having the same issues, no one seems to find an answer to this problem.

Secure sites seem to be more stable, but do drop out.
Some sites won't start at all, others start but drop out after 1-3 hours.

We have reset the Power Management to not 'Allow the computer to turn off this device to save power' and still the same.
Other laptops on same network are having no problems, including other HP laptops, different models.

Any suggestions are appreciated.
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64/ Windows 7 Ult x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    76~2.0
    CPU
    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
You might be barking at the wrong tree. There might be an IP conflict. Try doing a power cycle on both modem and router. Unplug both. Wait for 30sec. Then plug the modem back in and wait till it completely boots up. Then plug the router back in. Let me know if that works.
 

My Computer

System One

  • OS
    Win 8 (64) : Win 7 (64) : Vista (64) : Android JB 4.2 : iOS 6
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Acer AX Series & HP i-5 2400s
    Screen Resolution
    Main PC - 2x Sony PS3 3D LED Displays + 1x 22" Philips; HTPC - 47" HDTV w/ 17" LCD secondary display
    Hard Drives
    Internal- 1TB on each system; 1x120GB SSD on main PC
    External (network attached)- 1x2TB Seagate backup; 1x1TB ext. storage; 1x500GB,
    Other Info
    http://tinyurl.com/br4uxrk

    http://tinyurl.com/cwj93pj
Does it completely loses connection when dropped out?

This is similar on a Pavilion DV7 of mine but the newer Envy DV6 7250 doesn't drop at all... can't say that for sure but during the past moths since I use it, it never dropped. I do know that 4 BIOS updates were installed (many updates) here but you should always see the change-log to see what it's fixed or not.

Just to clarify things: Pavilion DV7 uses Windows 7 and Envy DV6 uses Windows 8 here.

What I see on the Pavilion is that the power options, as you said, are set to enable the device but still: the network adapter disappears from Device Manager and the notification area.

If I run the network drivers installer on the pavilion, it will say that the network adapter is unavailable and if deep sleep mode is enabled it will need to be disabled. Pretty weird that deep sleep mode: it isn't any of the options you see in Windows power management, the BIOS settings also need to be checked. The worst case scenario is something in the firmware of the adapter itself, and by chance they will release some updates (I remember the DVD drive got newer firmware for the dv6 but not the network).

Whenever the adapter isn't available in the notification or device manager: go to device manager and scan for newer hardware or refresh the list of devices and the missing adapter will reappear. EDIT: this one is a realtek family adapter as well... look for deep sleep mode.

However I do encounter some sort of drop off on (envy) the Win8 Store but after a reload of the page all works and I'm still connected. The desktop browsers don't have this and my wireless never failed so far.

I didn't find where to disable the deep sleep mode yet.
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
...I didn't find where to disable the deep sleep mode yet.

Hello, the deep sleep mode setting is in the BIOS too. On my Acer HTPC, it is under Power Management Setup>>>Deep Power Off Mode then Enable/Disable

I came across this when I enable the Wake On Lan feature of my Acer HTPC so that I can turn the power on using my android smartphone. If the PC is on deep sleep mode, WoL will not work.

Cheers!
 

My Computer

System One

  • OS
    Win 8 (64) : Win 7 (64) : Vista (64) : Android JB 4.2 : iOS 6
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Acer AX Series & HP i-5 2400s
    Screen Resolution
    Main PC - 2x Sony PS3 3D LED Displays + 1x 22" Philips; HTPC - 47" HDTV w/ 17" LCD secondary display
    Hard Drives
    Internal- 1TB on each system; 1x120GB SSD on main PC
    External (network attached)- 1x2TB Seagate backup; 1x1TB ext. storage; 1x500GB,
    Other Info
    http://tinyurl.com/br4uxrk

    http://tinyurl.com/cwj93pj
Me too. If it's the same issue I experience, it's not limited to HP, but unfortunately I've been unable to get to the bottom of it.

When the internet connection drops with me, all you can see by monitoring network traffic is ARP requests sent from the computer to the router, but the router doesn't reply. I also find that it's not possible to log in to the routers admin page and if I try to ping the router it just shows 'destination host unreachable' or 'request timed out'. Loopback/local host is the the only thing you can ping. (Bear in mind this is with hard-wired ethernet cable, not wireless).

After anything from 20 seconds to a few minutes, the router comes back on-line itself and everything is back to normal. Because it's not possible to access to the router when it happens, it's not possible to see what's going on without going to the effort of trying to monitor the network traffic between the router and the telephone exchange (which isn't really practical) and even then, you only have a short time window for diagnoses.

Certainly odd. When it happens with you, can you still ping the router?

ETA: Just for added irony, it's just done it whilst replying to this thread. :)
 

My Computer

System One

  • OS
    Win 8 64-bit
@fourthofjuly
Other laptops on the same router and wireless are not having any problems.
Router and WIFI have been restarted several times.
Still the same issues.
Belkin N600DB wireless.
Thanks

@Hopachi
Doesn't completely loose connection, some site drop out, some don't. HTTPS site seem to be more stable.
It's the Pavillion model, Will check the BIOS updates.
Will check for the deep sleep mode.
Thanks

@ARC1020
Will try to ping the router when it happens again.
Thanks
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64/ Windows 7 Ult x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    76~2.0
    CPU
    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
...I didn't find where to disable the deep sleep mode yet.

Hello, the deep sleep mode setting is in the BIOS too. On my Acer HTPC, it is under Power Management Setup>>>Deep Power Off Mode then Enable/Disable

I came across this when I enable the Wake On Lan feature of my Acer HTPC so that I can turn the power on using my android smartphone. If the PC is on deep sleep mode, WoL will not work.

Cheers!

Thanks for mentioning this. The name 'deep sleep' is not referred anywhere in the HP BIOS but however, there is:
System Configuration -> LAN Power Saving which is set to enabled by default and I really think this one is what we're looking for here.

Cheers!
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
Another possibility, ask your friend if he installed a Bonjour service. It's a networking application by Apple which is suppose to simplify device discovery but have actually plagued me before and messed up my network setup. If so, try uninstalling it. Another thing too look at is the driver version. Could be for 32-bit system.
 

My Computer

System One

  • OS
    Win 8 (64) : Win 7 (64) : Vista (64) : Android JB 4.2 : iOS 6
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Acer AX Series & HP i-5 2400s
    Screen Resolution
    Main PC - 2x Sony PS3 3D LED Displays + 1x 22" Philips; HTPC - 47" HDTV w/ 17" LCD secondary display
    Hard Drives
    Internal- 1TB on each system; 1x120GB SSD on main PC
    External (network attached)- 1x2TB Seagate backup; 1x1TB ext. storage; 1x500GB,
    Other Info
    http://tinyurl.com/br4uxrk

    http://tinyurl.com/cwj93pj
...I didn't find where to disable the deep sleep mode yet.

Hello, the deep sleep mode setting is in the BIOS too. On my Acer HTPC, it is under Power Management Setup>>>Deep Power Off Mode then Enable/Disable

I came across this when I enable the Wake On Lan feature of my Acer HTPC so that I can turn the power on using my android smartphone. If the PC is on deep sleep mode, WoL will not work.

Cheers!

Thanks for mentioning this. The name 'deep sleep' is not referred anywhere in the HP BIOS but however, there is:
System Configuration -> LAN Power Saving which is set to enabled by default and I really think this one is what we're looking for here.

Cheers!

Yup.. that should be IT!
 

My Computer

System One

  • OS
    Win 8 (64) : Win 7 (64) : Vista (64) : Android JB 4.2 : iOS 6
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Acer AX Series & HP i-5 2400s
    Screen Resolution
    Main PC - 2x Sony PS3 3D LED Displays + 1x 22" Philips; HTPC - 47" HDTV w/ 17" LCD secondary display
    Hard Drives
    Internal- 1TB on each system; 1x120GB SSD on main PC
    External (network attached)- 1x2TB Seagate backup; 1x1TB ext. storage; 1x500GB,
    Other Info
    http://tinyurl.com/br4uxrk

    http://tinyurl.com/cwj93pj
@Hopachi
Will check the LAN Power saving in BIOS.

@fourthofjuly
He does have Bonjour installed, if the above doesn't help then will uninstall it.

Thanks all
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64/ Windows 7 Ult x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    76~2.0
    CPU
    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
You might try working with the Advanced network adaptor settings , there are many options which relate to network stablity. It might also help to disable any VPN's like Hamachi or extra unused connections.

Intel has a link that explains the Advanced networking options and what they are used for, one of those settings might help.
Intel® Centrino® Wi-Fi Products — How to access and configure advanced Wi-Fi adapter settings

The model listed at the HP site was different than the one that was posted. I get HP Envy m6-1148ca, rather than dv6-1148ca
There is a bios update from last month but the drivers look the same.
Software & Driver Downloads HP ENVY m6-1148ca Notebook PC | HP® Support
 

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home built
    CPU
    Q9650 @ 4.05 GHz
    Motherboard
    Gforce 780i SLI FTW
    Memory
    8GB Gskill DDR2 1200Mhz
    Graphics Card(s)
    GTX-480
    Sound Card
    Asus D2 Xonar
    Monitor(s) Displays
    HannsG
    Screen Resolution
    1680x1050
    Hard Drives
    Gskill 120GB SSD
    PSU
    Thermal Take 1000watts
    Case
    Thermal Take Xtreme
    Cooling
    9 fans air cooled
    Keyboard
    G15 logitech
    Mouse
    G9 logitech
    Internet Speed
    50mbps
The model listed at the HP site was different than the one that was posted. I get HP Envy m6-1148ca, rather than dv6-1148ca

I do see the dv6:

Here you go:
Software & Driver Downloads HP Pavilion dv6-1148ca Entertainment Notebook PC | HP® Support

It has the same (mysterious) network adapters as my dv7... see earlier posts.

But be aware of the BIOSes and hope you run the latest:
bios.png
However, none of the releases add network fixes which means the issue might be related to a setting, as we described earlier.
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
The model listed at the HP site was different than the one that was posted. I get HP Envy m6-1148ca, rather than dv6-1148ca

I do see the dv6:

Here you go:
Software & Driver Downloads HP Pavilion dv6-1148ca Entertainment Notebook PC | HP® Support

It has the same (mysterious) network adapters as my dv7... see earlier posts.

But be aware of the BIOSes and hope you run the latest:
View attachment 21021
However, none of the releases add network fixes which means the issue might be related to a setting, as we described earlier.

Yes the drivers all look about the same although the m6 version shows that it has Windows 8 64 bit drivers and a recent bios update.

I think the advanced settings for the adaptor may have the desired effect.
 

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Home built
    CPU
    Q9650 @ 4.05 GHz
    Motherboard
    Gforce 780i SLI FTW
    Memory
    8GB Gskill DDR2 1200Mhz
    Graphics Card(s)
    GTX-480
    Sound Card
    Asus D2 Xonar
    Monitor(s) Displays
    HannsG
    Screen Resolution
    1680x1050
    Hard Drives
    Gskill 120GB SSD
    PSU
    Thermal Take 1000watts
    Case
    Thermal Take Xtreme
    Cooling
    9 fans air cooled
    Keyboard
    G15 logitech
    Mouse
    G9 logitech
    Internet Speed
    50mbps
Thanks guys, we have tried most of the suggestions.
Nothing found in BIOS about deep sleep mode or LAN power saving.
Updated to BIOS vF32.
Uninstalled Bonjour.
Changed settings in Control Panel > Power Options
It seems to be better, but still dropping wired and wireless connections.
Have read more complaints about this issue, seems to be the Ralink wifi card, people with the Intel wifi cards aren't having these problems.

Thanks Chev, will check out the Advanced network adaptor settings.
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64/ Windows 7 Ult x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    76~2.0
    CPU
    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
Yes the drivers all look about the same although the m6 version shows that it has Windows 8 64 bit drivers and a recent bios update.

Any proof for a match between the two laptops?

The m6 and the dv6 are NOT the same and have different hardware and CPU's.

The newest is the m6 and has Win8 and quad core AMD CPU + UEFI BIOS (version F.32) while the dv6 is Vista-generation with older hardware and legacy BIOS (F. 18).

I don't recommend you mix hardware and definitely not the BIOSes.
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
Nothing found in BIOS about deep sleep mode or LAN power saving.
Updated to BIOS vF32.

Sorry about previous post. But the two laptops are different.

My dv7 has LAN power options in the BIOS, it means you have something different here.
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
May have given the wrong laptop model, it says M6 on the top of the screen and has the AMD A8 CPU, UEFI BIOS.
The support page gave F32 BIOS (installed now), he had F11 previously.
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64/ Windows 7 Ult x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    76~2.0
    CPU
    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
Alright then!

Chev was right and you got the latest BIOS then. It seems they changed some options compared to older models.
To confirm this as well, my newer envy dv6 with UEFI (F. 24) doesn't have the LAN power options in BIOS anymore.

I also agree to look in the advanced network adapter settings.
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
Any ideas which advanced network adapter settings should be turned off?

ARP Offload
Auto Disable Gigabit
Energy efficient Ethernet
Flow Control
Green Ethernet
Header Data split
Interrupt Moderation
IPv4 Checksum Offload
Jumbo Frame
Large Send Offload v2 (IPv4)
Large Send Offload v2 (IPv6)
Transmit Buffers
UDP Checksum Offload (IPv4)
UDP Checksum Offload (IPv6)
Wake on Package Management
WOL & Shutdown Link Speed
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64/ Windows 7 Ult x64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    76~2.0
    CPU
    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
Honestly, not exactly.

I've tried "Green Ethernet" but the adapter was still vanishing. Try that as well for your issue.

There are other settings that could be tried as well, just note the default values somewhere so you can revert back if needed.

"Energy efficient ethernet" can be disabled just for testing if this is not the one, turn it back on.

I'm posting from a desktop where the "Auto Disable Gigabit" is set to disabled by default. I suppose it disables the Gigabit when on battery but this doesn't seem to have another state and much impact but I'm only guessing.

That's all I got.
Maybe I'll provide you the defaults on my laptop without issues to see if both settings match.

Cheers!
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
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