Realtek PCIe FE Losing Connectivity In Windows 7 Home 64-bit?
Mar 23, 2012
I am having an intermittent problem with my network connection dropping out for no apparent reason.When it drops, I still see the lights blinking on the NIC card, but cannot pass packets even to the router.Windows does not report the connection or the cable as disconnected when this problem is occurring.The problem will persist until I disconnect and reconnect the CAT-5e wire, or disable and re-enable the NIC.As soon as I do one of those 2 things, connectivity immediately returns (and works for another hour or so).I am running a legitimate copy of Windows 7 Home Premium 64-bit on an HP Pavilion.All of the latest Windows updates and the latest firmware drivers are installed.My ethernet connection is a wired Local Area Connection with a static IP address, gateway and DNS.The IP address, gateway and DNS settings are accurate and work for several other computers here.[CODE]
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Mar 23, 2012
I am having an intermittent problem with my network connection dropping out for no apparent reason.When it drops, I still see the lights blinking on the NIC card, but cannot pass packets even to the router.Windows does not report the connection or the cable as disconnected when this problem is occurring.The problem will persist until I disconnect and reconnect the CAT-5e wire, or disable and re-enable the NIC.As soon as I do one of those 2 things, connectivity immediately returns (and works for another hour or so).I am running a legitimate copy of Windows 7 Home Premium 64-bit on an HP Pavilion.All of the latest Windows updates and the latest firmware drivers are installed.My ethernet connection is a wired Local Area Connection with a static IP address, gateway and DNS.The IP address, gateway and DNS settings are accurate and work for several other computers here.The Network Interface Card is a Realtek PCIe FE Family Controller (VEN_10EC / DEV_8136 / REV_05).NIC Power Management, Energy Efficient Ethernet, and Link Down Power Saving are all turned off.On the NIC, ARP/Large Send/IPv4,TCP,UDP Checksum/NS Offload, Flow Control, and are all on.
Receive Buffer Size on the NIC is 64Kb (512 buffers). Receive Side Scaling on. 128 Transmit Buffers.Interrupt Moderation is turned on. Magic Packet features are turned off. Optimal Performance enabled.NIC Speed and Duplex are set to 100mbps Full Duplex wherever possible (automatic was also tried).802.1X authentication (EAP or PEAP) is disabled. Auto connection logic is disabled.Connection routes through two switches into a Belkin router; other devices on same networks unaffected.Much of my data is stored on a Network Attached Storage device, with UNC shares mapped to drive letters.Other Windows, Mac and Linux devices connected to the same NAS device have no problems staying connected.When the issue occurs, I can't ping the gateway, do DNS lookups or pass any packets as far as I can tell.I have tried swapping out the CAT-5e cables for other cables and even ran them through a cable tester.
Network fixes I have attempted from the OS level so far include:
~ Switching the dynamic port range to start at 10,000 and run for approximately 54,000 ports
~ Systematically reviewing every running service to make certain that only the essential ones are on
~ Disabling all NIC stacks except Client for Microsoft Networks, IPv4, File and Printer Sharing and Comodo
~ Attempted connections with Comodo turned completely off and its NIC driver disabled
~ Attempted rolling back the RealTek driver to an earlier one from the same family and device line
Using netsh I have tried the following settings:
~ netsh winsock reset catalog
~ netsh int ipv4 reset reset.log
~ netsh int ipv6 reset reset.log
~ netsh int tcp set global rss=enabled
[code]....
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Mar 3, 2012
Currently getting constant disconnects with the following hardware/software
Modem CM100
Router - Tried 4 different routers, issue consistent throughout them all. Original is the Asus RT-n56u.
Realtek PCIe GBE Family Controller
MSI 790XT-G45
Windows 7 Ultimate
After installing several drivers and probably 10-20 tweaks, the issue has stopped for about 50 minutes after consistent at least every 10-20 minutes.I actually just placed an order for a Motorola Surfboard 6121 Although I need the upgrade anyway.
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Mar 16, 2012
I can't connect to the internet. I'm currently using a USB internet, but the problem still exists. So it's not working with either cable or USB internet. It just won't connect. I've thought for a long time that there is probably something wrong with my network card, but I've run some tests that I saw on the internet, and it appears as if the network card is fine. I've also thought that there might have been a program or something that I installed that could have caused this problem, but I can't find the problem. When I go to the device manager, I can find one network card called: "Realtek PCIe GBE Family Controller". I've tried to reinstall the card, but it doesn't work. I can't find any software on the internet for this card either.
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Feb 6, 2011
I have just upgraded my computer and now i have a Gigabyte 870A-UD3 mobo with a Realtek PCIe GBe family Controller and i have now gotten the famous "Standard Gateway not available" or something.
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Dec 18, 2012
My computer freezes during torrent downloading , usually within the hour. I have used various torrent clients and problem remains.I have the latest drivers Realtek 8168 v 7065 . Some suggested to turn Checksumms off from the property menu , but that would increase my CPU load. Some other suggested to turn off Task Offload , but I cant find anything similar in Properties.
System Setup
---------------
Summary
Operating System
Microsoft Windows 7 Professional 64-bit SP1
CPU
Intel Core i7 920 @ 2.67GHz55 �C
Bloomfield 45nm Technology
RAM
3,00 GB Triple-Channel DDR3 @ 535MHz (8-8-8-20)
Motherboard
[code]....
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Dec 18, 2011
Ive just downloaded wireshark just to mess around and ive noticed that even when ive got nothing open its still capturing packets. It gives me a choice of interfaces i want to choose to monitor and i would of thought it be "Realtek PCIe Family Controller" as this is normally the default one (im using wireless) but its saying no packets are being captured from this interface its the "Microsoft" Interface thats capturing the packets. Ive attached a screenshot, i know this isnt nothing bad but was just wondering 1) why isnt my Realtek PCIe interface capturing anything (even when i have youtube open it doesnt capture anything) and 2) why is Microsoft capturing packets? what is this microsoft interface and why is it capturing packets when nothing is open.
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Feb 7, 2012
so i can not connect to net on my desktop but my wifi works fine, the error is the realtek PCIe FE family controller (code 31) i have tried updating the drivers but nothing i have verizion fios.
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Feb 17, 2011
I'm trying to connect to the internet on another PC (on my desktop, not this laptop I'm sending this request on). I know my network is working OK, because I'm on it now (on my laptop), but the Realtek adapter is not connecting on my destop PC.
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Mar 30, 2011
Noticed the last couple days that pages weren't loading on my laptop. Looked at the network status for the laptop and noticed that my network speeds would fluctuate from 54Mbps to 1Mbps, and various speeds in between. I had never had this happen before (I've had this router, a Linksys, for about 6 years). I thought maybe something was going on with the laptop. Grabbed my wife's laptop and she had the same issue. So, I checked the wired towers - their speeds are running at 100% all the time, no fluctuation. So, it has to be something with my router, but I'm not familiar with how to diagnose, etc. The router has a 3rd party firmware (DD-WRT) flashed on it, in case that matters. But I've had that on there about 4 years, nothing new. I've done a DHCP release and renew.
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Aug 29, 2012
ISP : ShawPC >> SMC Modem/Router >> Netgear Router >> PS3 and Denon Stereo Receiver ( Both hardwired to Netgear Router), 2 Laptops and 2 Phones connected wireless- The reason I do not use the SMC as a router is because I was getting terrible wireless signal- When everything is working properly I am getting great speedsroblem : I keep losing internet connectivity. On the wireless devices I still have have great signal strength but no connectivity. I need to run netgear genie oripconfig/release/renew to get it back. It always comes back but this is annoying.It also does this on the PS3 and Denon which are hardwired to the router..as with the other ones if I reset the router or do a connection test on the PS3 it will fix it. Finds IP but no internet connectivity.My PC has also started to lose connectivity and I need to do a ip release/renew and it comes back fine.The fact that this is happeneing on my PC would lead me to believe that it may be an issue with the Modem/router. Are there some settings I need to change on it since I am only using it for modem purposes? I have disabled the wireless on it but I don't think that would be the issue anyways
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Jun 23, 2010
I have an XPS 8100 and have been very satisfied for the most part, but have had a persistent problem with the wireless card, the Atheros DW1525 WLAN PCIe Card. The wireless signal swings wildly between 3 bars and 5 bars - and the computer is close to the router. The card only weakly picks up other signals and it is often weak and spotty. I compared with my Dell Inspiron 13 (which has an Intel wireless N card), and it is literally 5x as fast on speed tests, picks up a lot of other signals, and is always 5 bars.
I tried to reinstall the Atheros drivers from the Dell support site, and that seemed to do the trick for a while.... the card was picking up as many signals as my notebook and at the same strength and speed. But after a Windows Update, the problem returned. I tried to reinstall the drivers again but got blue screen errors when I attempted to install Atheros' drivers... I spoke to a Dell tech, did a full factory image restore, and while I'm not getting blue screens now, the signal continues to be weak and spotty. I have Windows 7 64 bit..
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Apr 4, 2011
I have a DIR-625 router that has been acting odd lately. Several times a day at random my devices (laptop, android phones, PS3) will lose internet connectivity from my wireless network. They say they are still connected to the network but I am unable to access the internet or even the router config page. Everything works fine on Wired LAN computers. The only way I can fix it is by unplugging the router for a few seconds. I have had the router for over a year now without this problem. Seems like it may have started when we got our android phones.
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Sep 19, 2012
I have an issue with my current network where every couple of hours I will lose my connectivity and it will not come back unless I do a power cycle on my router/modem. I originally thought the issue was with my router, however I'm beginning to think it's an issue involving the modem. I've tried two different routers and this happens on both. My main router is a D-Link WBR-1310 (crap I know but it was free) and has lasted for years, and my modem is a Toshiba PCX2500 from Time Warner Cable. The second router I used to test this was an older Linksys BEFW11S4. I was going to replace my router, but when I saw that both of them reset after a few hours (today was only 5, last night it was connected for over 8 hours as I slept). I ran an IPCONFIG /ALL when I was connected with internet and when I was connected without and the only three changes were: [code]
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Jun 24, 2012
I have a UC520 in a building with several IP phones. We installed a WLC526 and two AP521's for seamless roaming of cordless phones. THe phones work great with no issues. When I am running a ping test on a wireless laptop, i keep loosing packets. It looses connectivity randomnly. DHCP is given via Windows 2008R2 server. Have a cisco 2948 switch also in the mix. THe AP's are connected directly to teh front of the UC520. Why do phones work perfectly and not data?
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Sep 7, 2011
our autonomous 1252APs. It loses network connectivity irregularly and ends up disconnecting everyone. It may stay up from a few days to a few weeks. I don't see any log messages that give any clues to why it is doing this. We have 30 of these working worldwide (on the same software level and same config) and this is the only one having the problem.
Things I have tried: Changing software levels - there is a code level where it didn't seem to have this issue, but I can't run it because then I'm unable to monitor it in our monitoring system. Swapping out wireless access pointsRe-terminating the cable on the AP side, it was really difficult to get the network cable into the AP while swapping it outBlocking a company test piece of equipment from connecting using the mac address filtering (it connects with one of their test IPs - weird) – I still see it connecting though I don't see high utilization on the switch port when the issue happens I had a few cases open with TAC, and they were unable to find anything wrong - gave them sh techs of prior to the event and after the event. It was one of those where the tickets were open for a weeks with no updates.
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Aug 21, 2012
I have the model AE1200 usb adapter and its been working great for over 6 months, but lately it has been inconsistently working. It has stopped working then i have to reset the adapter and then it will work for a little bit and then it will do it again. is this a common problem or is it likely my adapter is failing? Is there an update that i am missing?
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Dec 3, 2012
We are implementing a WLC infrastructure in our company following the below scenario:
- WLC 5508, OS 7.2
- APs AIR-LAP1142N-T-K9
- 3 Wlans (1Open w/ Web Auth, 1 WPA2 and 1 802.1x)
Issues:Everything seems to be fine, but some users loses connectivity (when connected to 802.1x network) at least 3 times by day.
- I cannot see anything at WLC logs concerning the association/deassociation of any of these users.
- Only strange line in the logs is "RADIUS server 172.21.44.50:1646 deactivated in global list" (authorization server config)
- Also I see some "Coverage hole pre alarm for client" but that doesn't look like a problem...
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Jun 24, 2012
When I install a micro-wifi-usb 802.11n with "Realtek RTL8188CU" on a old notebook with Windows XP I get maximum 1.5 to 2Mbits/s. Though installed on a newer notebook with Windows 7 I get 30Mbits/s.Other wifi-usb, Cisco Linksys WUSB100v2 does work on that Windows XP machine at 30Mbit/s, but the dongle is much larger The router Cisco WRT320N is just 5meters away and I always have excellent signal strength.I tried some other drivers without any luck. On the site of Realtek I don't find any driver except with some letter diverence at the end of RTL8188CU, which I also tried.
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May 18, 2011
I recently purchased a Belkin F5D8053 N Wireless USB Adapter after my 6 year old adapter was unable to see my home network in the network list.
I installed the software but the adapter wouldn't connect to my home network so I reinstalled and updated the driver, still wouldn't work. Finally about 2 hours later it just randomly connected. Now it has been frequently (1-2 times a day) losing connection to my home network for around 3 hours, it can see a dozen networks in the list with full signal strength but won't connect to any at all then connects to my home network again several hours later.
I have switched between the Windows connector and the Belkin one and tried all 6 USB slots with no luck. I contacted Belkin support and they told me to try the device on another computer and see if the problem still happens but I don't have another computer to test it with.
I suspect this is a problem with my Windows installation rather than the hardware or router as my old card would freeze once every couple of days and was only fixed by powering off my computer as Windows was unable to kill the process to restart it.
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Sep 7, 2010
Issue with Linksys E3000 router (firmware 1.0.02). I'm experiencing issues with the following wireless connections:
-iPhone 4G (wife's)
-iPod Touch 2G
-PC with wireless connection (non Linksys brand adapter)
-Acer NetBook (non Linksys brand adapter)
The issue is the connection gets interrupted and dropped, but the devices and the router DHCP clients table show the connections are still present. By interruption, I mean no data traffic is being transmitted.My wife's iPhone 4G and my son's iPod Touch wifi both show they are connected to the home network, complete with wifi bars being displayed, and the checkmark is present next to the home network connection in the the device settings for both. When I check the E3000 DHCP clients table, both Apple devices are listed as holding a connection. Yet both devices display network errors when trying to use any app that connects to the internet. By restarting the wifi connection on each, the connection is restored to the point where traffic now transmits. My wife and son estimate it is after about 10 minutes that they encounter the interruptions.
On the PC and NetBook, the connections have to be terminated and reconnected. I have not timed these to see how long before the connection becomes problematic.Interestingly, my ASUS laptop and my iPhone 4G do not have the issue, nor does my work laptop (Dell).There are no timeout parameters in the router config. Closest thing to it is the Beacon Interval, but I don't know which way to adjust it (up or down) to manage the devices that are experiencing interruptions. I have not made any interval adjustments...at this time, everything is set to default settings.This E3000 replaced an aging WRT54 (hardware v2) router so that I could have an N router in the house.
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Mar 10, 2012
About two weeks ago, I took out the old motherboard of my HP computer and put in a new ASUS M4A88T-M. The board is amazing, especially for the money, except that I can't connect to the internet.So, for the last two weeks I've power-cycled about a billion times, ipconfig /this/that/and the next thing over and over, I've winsocked, I've turned programs on and off and on again, checked that the LAN is enabled in BIOS, firewall is off, and probably a bunch other things from the 100's of google pages I've searched.I spent 45 minutes on the phone with my ISP, and the guy was 99% sure there is something wrong with the NIC. Windows says that the device is working correctly, and I think that it is. There must be some setting, some driver, something that will reconnect me to the internet.
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Dec 21, 2012
trying to connect an old PC to my home wireless network.I brought home a PC I have used for years at my office. I have it configured with a Realtek wireless card and was able to connect it to my office wireless network without a problem.But, when I try to set it up at home, it won't take. I have a dlink router that is working fine with several Mac computers in my home, so I know the router and network are up and running fine.The PC uses Windows XP. The icon in the lower right corner says dlink is connected and there is strong signal strength. However, when I check the dlink status, it shows that 2,573 "packets" are sent, while "0" are received.I've tried to connect to the internet using Mozilla, Safari, and Explorer. Each says the server cannot be found and that the internet is not connected.
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Sep 2, 2012
it shows that it is Online getting an Excellent Connection thru my Home Network... I go Online using Firefox with it at home.. stays up for a few minutes .. can get onto the internet...then loses the ability to stay connected.... it still states it's Connected though ... kind of baffling... like something is timing out then blocking it...I tried shutting down my AVG Anti-Virus.. also shut down Windows Firewall... it still continues to lose the Connection while stating it's connected getting a good signal... both of these are configured correctly as far as I can seeI've re-installed my Wireless driver thru the Acer Recovery Management included on the Netbook.. still no good..
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Feb 19, 2011
we have been having problems with our wireless internet connection for a while now and have even changed provider without success.
What happens is that all our computers lose the internet connection from one moment to the next while the signal strength remains unchanged. when you try to sign back into the home network it is basically impossible. When rebooting the BT router it works, sometimes for a few moments only sometimes it lasts.I am wondering if the reason is that the computers are losing their ip address or has it something to do with the security key?
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Oct 27, 2012
I have Sky Fibre Optic Broadband, with a router supplied by Sky, (You can't use any other router, as username/password for internet is already put into router & they will not give you details when you phone them). The router they supply has only four Ethernet ports on. One is used by Sky to give you Fibre Broadband, thus leaving you with three.I have five devices that must use Ethernet, as they do not have wireless.How do I get more Ethernet ports available to use, without losing the Sky router, as Sky will NOT let you use any other router.
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May 14, 2012
I have an issue whereby my Windows 7 (Professional 32bit) Toshiba Satellite Pro laptop is losing its ability to resolve DNS when connected wirelessly to my BT Homehub (combined ADSL modem/wireless router). I have had the same laptop and Homehub for over two years and this has only started happening in the last couple of weeks. I cannot pinpoint any h/w or s/w changes that have been made and could account for this behaviour.When the issue occurs (typically after 15-30 minutes of normal internet browsing) I can no longer view web sites or ping, for example, www.google.com. I can, however, ping the Homehub and localhost by ip address. Some other non DNS-reliant services such as Skype, email etc may continue to work also.The only way I have found to reliably regain working DNS is to restart the laptop. Other attempts, such as disabling/enabling the NIC releasing/renewing IP and flushing DNS cache have no effect.
- disabling all AV/firewall software - the problem remains.
- Several restarts and finally a full factory reset of the Homehub - no joy.
- uninstalled/reinstalled the wireless NIC (Realtek RTL8191SE) and made sure I have the latest drivers.
- Removed all other devices from the network to ensure there is no IP clash.
- Laptop rolled back to a known good restore point.
I have an XP laptop on the same wireless network that does not suffer from this issue, so I know the actual connection is not at fault. I use the Windows 7 laptop on another wirelsess network (at work) and it is rock solid for 8 hours +. So, it looks to be something specific to the combination of the BT Homehub and the Win 7 laptop.Worth noting, before anyone suggests doing so, the wired NIC on the Windows 7 laptop does not work so I am unable to connect directly to the Homehub with an Ethernet cable.By default the laptop is set to obtain its DNS servers and ip address from the Homehub via DHCP � the resultant ipconfig looks like this:
C:Users
lennox>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : GLOWZ9297647K
Primary Dns Suffix . . . . . . . : internal.rmplc.net
Node Type . . . . . . . . . . . . : Hybrid
[code]....
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Jun 2, 2011
Currently using a netgear WG602 wireless router which i use to connect to my 2nd PC and Iphone, with the Netgear router running from my main PC.I have recently been having trouble with my 2nd PC ad Iphone randomly losing connection and the only way for the connection to be reastablished is to reboot the wireless router. Once rebooted i am able to connect again to the internet with no problems, interestingly enough my main PC never loses connection. Also sometimes when i lose my connection and reboot the wireless router i will have a IP conflict pop up on my 2nd PC however i would i say i get this once in every 10 dissconects and not all the time. Sometimes i won't dissconect at all in a day but sometimes i may dissconect 5-6 times.
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Jan 30, 2013
I have a 1 month old Samsung 900x laptop with SSD drive running Windows 8 on a home network. I use MS Office 2007 and Explorer.I am now having problems where I occasionally lose the wireless network connection with "limited"superimposed on the connection bar. Another computer on the same wireless router always continues perfectly.I have shut down and restarted the Samsung and this sometimes works. Other times it seems to come back on its own.
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Apr 23, 2012
I'm connecting to the internet via my college's network, and my network trouble varies from: working fine, full speed; extremely slow; and then sometimes it loses the internet connection completely.
-I am running Windows 7 64bit
-Connecting wireless
-I have reset the TCP/IP stack repair options
I fail every ping test except for "DNS Lookup" via Xirrus Wi-Fi.
Below is my IP config:
Windows IP Configuration
Host Name . . . . . . . . . . . . : (redacted: Gateway7811fx)
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Mixed
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : resnet.(redacted: xxx.edu)[code].....
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Mar 28, 2011
I keep losing the internet connection on my Toshiba Laptop (Windows 7). My desktop maintains a full connection but the laptop keeps saying "No Internet" despite the wifi network remaining at full strength.
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Mar 13, 2011
I have been having a bit of trouble with networking my two machines to share files and allow printing i have a win 7 laptop and a xp home desktop. I share a net connection via 02 wireless box both systems have wireless i have tried many things
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Mar 30, 2011
I have a Windows 7 PC and a Windows XP PC that I’m sharing files on. All was well for a while, but I’ve started to lose connectivity between computers when one goes into sleep mode. Not sure at this point if it’s the XP machine or the Windows 7 Machine that’s causing the problem.
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