Realtek RTL8188CU Wireless USB 802.11n Slow On Windows XP?
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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Jul 18, 2011
I have a Gigabyte motherboard that ive just installed into my dads new PC and the gigabit LAN has started taking 60 seconds to connect to router, very annoying...sitting with browser open waiting for it too connect... the issue seem to first appear during windows updates, i uninstalled device driver, rebooted and reinstalled the driver off disk... this sorted the issue.. THEN windows installed more updates, however these were nothing to do with networking (Office updates) and its back ...ive tried downloading the driver from gigabyte (newer) but still the problem persists...
Core-i5 2500k
4Gb 1600Mhz RAM
GTX 460 OC
60Gb SSD Vertex 2E
500Gb Seagate SATA-II
Gigabyte P67A-D3-B3
Windows 7 x64
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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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Jan 17, 2012
slow ping times with Realtek, no problems with intel
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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 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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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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Oct 11, 2012
Windows XP Wireless works slow.
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Mar 6, 2012
my machine is set up to dual boot Windows XP Professional Edition and Windows 7 Home edition. I had Windows XP installed on this machine first because it is 10 years old and I wasn't sure how well it would work with Windows 7. I decided to test out Windows 7 a few months after using Windows XP on here and noticed the wireless network was started right when Windows 7 loaded, where as in Windows XP it can take anywhere from 1-3 minutes for the wireless network to load. In this 1-3 minute time frame on Windows XP any browser or attempted connection to the internet 'hangs' and does not display a time out, it just continues to try and connect until the wireless icon finally shows in the taskbar
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Dec 31, 2011
It's a Windows 7 Pro 64bit machine with a (newly installed) Asus P8H67 pro motherboard and an Edimax ew-7612pln pci-e card, the router is a thompson 585v8 router with the latest firmware on (upgraded as part of troubleshooting). I upgraded the wireless card drivers one time whilst it was disconnected, it appeared to work for a few hours but then dropped again it also went through a phase of connecting to the router as an 'unidentified network' with no internet access although I don't believe it was attaining an IP address. When it was connected the internet was pretty slow and anything like a file down load would knock it off completely. There were no errors at the time of disconnection in the event log (bar a DNS error or two saying it could not locate the website I was trying to get to before it failed), however the only information type events I noted were a few services stopping and starting and an odd one regarding the host not being able to find the 'master browser' which was identified as another laptop on the wireless network.
The machines are not in the same work group or in a domain, all other laptops and devices on the network work fine and are very stable - as was this one up until a couple of weeks ago. I've uninstalled a couple of pieces of software that were recently installed ; VMware player (which added virtual NICs upon installation and funnily enough made the wireless reconnect after a few hours of downtime upon installation...but the effect was shortlived) and some asus mobo utilities.
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Jul 11, 2011
I have a realtek wireless usb adaptor on my hp desktop that was working until I took it out of the usb on the front of the tower and plugged it into a usb on the back of the tower. Now I can't get internet at all even if I move it back to the front! My network doesn't show up under connections. Both the playstation 3 and the netbook are picking up the wireless signal from the router.
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Sep 26, 2012
I have just purchased a new laptop (HP Pavilion G series) for my studies at university. The wirless works fine when I am connect to my network at home, but I am only able to connect to the university's network when an ethernet cable is plugged in. Everybody else I know, who has a similar setup to myself has no problems connecting to the network without the ethernet cable and I was curious as to why this might be.
I am running on Windows 7 and the wifi adapter is a Realtek RTL8188CE 802.11b/g/n
As I say I am quite a rookie when it comes to computers
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Sep 7, 2012
realtek RTL8168/8111 ethernet Family PCI-E gigabit ethernet the question is written as above.can i use it to connect to internet in wireless?
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Nov 3, 2012
I've found my old (1, or 2 years old) Realtek RTL8187B USB 2.0 Wireless Adapter. I plugged in into my PC, but it doesn't find any networks, but it works 100% on my laptop. On PC windows said, that maybe something wrong with the driver, I reinstalled it a few times, but same happened again, again. Both has Windows 7 Professional 64-bit.
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Nov 13, 2011
In device manager i have 4 yellow question marks where network adapters should be
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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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Apr 18, 2012
I have a RealTek 8187 USB wireless adapter on my desktop computer that has an associated utility that allows me to manually select which of several competing WAP's to connect to. But that is good only for that particular adapter. My laptop has a different make of adapter that does not have this capability and many of my friends and neighbors lack the capability also. I have a situation where when I turn on my desktop, it automatically connects to a certain WAP, presumably because it has the strongest signal. However, at certain times of the day, traffic or other unknown interference blocks internet access for varying periods of time. I can usually go to my RealTek utility and switch connections to another WAP that has somewhat less signal strength (for example from Channel 1 to Channel 9 -- all within the same Wi-Fi network). Almost always I can restore internet access by doing this.is there generic software available that allows manually selecting WAP channels regardless of the particular brand of wireless adapter being used. Or is there some setting in either Windows XP or Windows 7 that would allow selectively choosing to connect to one channel of a network rather than another even if the signal strength is less.
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Jan 31, 2013
I am running an ASUS laptop with Windows 7. My wireless has been working fine, but my room is quite far from the router, so I bought a signal-booster USB aerial made by Realtek (REALTEK 11n USB Wireless LAN Driver and Utility). It came with a small software CD too which I installed, and it worked fine for two days and boosted my wireless signal.However (you knew it was coming, the story can't stay happy) soon the red light on the USB booster stopped blinking and it showed the red 'x' where my wifi connections are. I couldn't get it to re-establish a connection without doing a full system restore and re-installing the USB signal booster, which would then work again for a short amount of time (maybe a day, maybe an hour). And worse, now when the USB booster is unplugged from the computer my laptop will not return to recognising wireless connections like it did before I installed the USB signal booster. It simply does not find any connections - the only time it does is directly after I have re-installed the software from the small disc which came with the Realtek USB signal booster.
I have now uninstalled the Software and anything made by Realtek but still it is finding no connections.Now I would just like to find a way to get back to where I started when my computer was finding all wireless connections like normal... a connection with a weak signal is better than this nightmare of constantly restoring my computer just to get a brief connection
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Jan 22, 2011
got my router all set up running and working fine on my computer downstairs.. but my computer upstairs is what im trying to get wireless going.. guessing my network card dosent support wifi is why its not picking it /nor any other houses close to me.. my network card is realtek RTL 8168c / 8111c family pci-e gigabite ethernet NIC ( ndis 6.20 )could of sworn tho at my old house when i had my computer hookd up it picked up my neighbors routers above me .. currently its saying theres no routers or anything to connect too..
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Feb 7, 2011
I recently bought a new Dell Inspiron 7600 pc running on windows 7 home premium and to enable access to our wireless internet I installed a Realtek 8185 wireless pci adaptor. It has worked fine (although not without the occasional blip) but recently it has stopped working. I could connect to our wireless network but connection came with a small exclamation mark on the wireless connection icon in the system tray. I tried reinstalling the most up to date drivers I could find on the realtek download website and this has removed the problem of the exclamation mark with the wireless connection claiming it now has internet access. However the internet is now so slow (vastly slower than before these problems began) I get timed out errors whenever I try to access any web pages. I have ruled out the router being an issue as my two housemates' computers are working just fine.
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Apr 18, 2011
Will a realtek wireless network adapter connect to a Linksys WRT 110 router from a wood frame house to a concrete building approx. 100 ft. away
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Jun 28, 2011
I need to reset my wireless adapter frequently Realtek RTL8188CE wireless Lan 802.11n PCI-E NIC after coming out of sleep. I am using WRT-120 router.
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Jan 25, 2011
i recently done a clean install of windows xp on this laptop after having vista on there for a couple of years and ever since doing this the download speeds have seemed so much slower im not sure weather its got to do with the OS or weather its just the internet has been slow since ive installed it. Im using wireless connection to connect to my router also.
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Jul 26, 2012
I decided to upgrade my OS from Win 7 Pro 32 bit to Ultimate 64 bit because i needed more RAM ( I have 4 GB RAM but only 3.5 of it was usable. I want all of the 4 GB because I am getting BF3 soon) and for my new graphics card (GTX 550ti) so i formatted my Hard Drive after backing everything up on an external Hard Drive. Everything went smoothly until I had to browse the internet. Internet works, but it is very slow. It was working as normal when I had the 32 bit OS. Download Speeds are 8 kbps. I tried using the netsh int tcp set global autotuning=disabled in command prompt but no result. I tried removing and Re-inserting my Wi-fi adapter, no result. I don't want to be forced to downgrade to a 32 bit OS again . I am at a loss here and really want my fast internet back. [code] My Internet Connection is 4MB. My router is a Linksys Wireless-N Router and the Modem is provided by my ISP. The signal strength from the position of my PC is decent but internet is VERY SLOW!
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Jul 23, 2012
I've got 45mbps internet speed with Windows XP and 0.8 with Windows 7..
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Apr 27, 2011
I recently reinstalled Windows 7 because i had a really bad virus that grew and took over my computer.since I have reinstalled windows my internet connection is a wireless netgear WG111v3.The signal is strong but the transmit/receive performance is practically nothing so I cant even download flashplayer etc it just gets timed out.It also takes forever to open a site.before the virus/reinstalling my speed was excellent so I dont know why its changed now.
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Nov 7, 2011
First this is my setup, i have a 100x100 mb fiber pipe at a location i am working at. i am comming out of a cisco fiber router to ethernet. i am coming straight from the fiber switch to the computer at a 1gb connection. So my problem is when i try to upload to my ftp server via windows explorer i can never get about 1.5mb, but if i upload via command prompt it goes at about 60mb upload, so the pipe is good. So you say why dont you just use the command prompt, well i have specialized gear here that run xp emmbedded and it does this via the windows explorer. I have tried 4 other computers and they all do the same thing. I tried a UDP video stream and worked at over 10mb stream. but all the ftp uploads cap out at 1.5mb.
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Oct 24, 2011
recently I have been getting slow internet and download speeds at a later time in the day, when there is 3 or 2 internet connections that show up in my connections. one being mine virgin broadband, another sky and Bthomehub, whenever these connections are up my download speed on steam goes from 1.1mb/s to 250kb/s and i get the message from windows saying' 'windows has detected ip conflict'' I can still access the internet play games online fine, but my download speed is really slow and sometimes internet is slow aswell
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Sep 20, 2011
I have a small Windows XP Workgroup network. We have a large folder on the server with over 10,000 image jpgs. Up until six months ago it opened fine, but now when I try to open this folder from any of the workstations it takes several minutes.I've tried unsuccessully many of the proposed fixes over the past few months included changing the RAID controller and this is my last resort.
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Aug 22, 2012
I upgraded from Vista 64 bit to Win 7 64bit and one of the first things I've noticed was that youtube videos take forever to load, I use to stream on 720p videos in realtime but now even 360p can struggle to load, 480p videos you have to pause for 30 seconds. Oddly, speedtest indicate my full 15mbps down and 1mbps up, regular downloads go fast but streaming youtube, vimeo, or anykind of videos take a while.
My initial guess was that it has something to do with the Wi-fi PCI card. I have D-Link dwl G-550 and on windows compatibility center it says its not supported. Windows 7 automatically detected and installed its own drivers, it works ok.
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Mar 24, 2011
Router:Dir-655 (Hardware Ver B1;Firmware Ver 2.01Na)
Modem: Motrola SB6120
Cables: Cat 6
Machines: 1. XP SP3 w/d-link DGE-530T desktop; 2. XP Pro SP3 w/dlink DGE-530T desktop; 3. Win7 64 (Latest Drivers)
Problem is that the XP machines can download 25Mbsp on speedtest.net but the Win 7 only manages 5Mbps through dir-655 -- ALL WIRED CONNECTS!. Connect Win 7 directly to modem and d/l is 30Mbps 2 hour Netflex test of wireless indicates good performance. D-Link support had me going in circles for a while until I finally suggested that a firmware update was in order. They assured me that this had been id'd as a problem and that latest firmwire would certainly solve it. It did not.
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Nov 3, 2012
Have had my XPS One 27 for a few days and the 1703 wireless card has cut my download speeds more than half. Whereas I was getting anywhere from 75 to 80 Mbps on my previous machine with a b/g/n/ wireless card, I am now only able to get 25 to 30 Mbps on this new machine. Nothing has changed on my router, I just plugged in the XPS One 27 and it automatically found the router and I logged in without a problem. The router is the WNDR 3700. I am on a 105Mbps tier and need my download speed restored to what I used to get. Is there a "tweak" or is there a better wi-fi card I can install?
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