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Sony :: VGN-Z21 And Intel 5100 AGN Drops Under Windows 7

I have managed to finally resolve my problems with my Windows 7 installation by redoing the upgrade, everything now seems great and all the original drivers/software (FN buttons etc) are working great. So far, Windows 7 looks great!

One problem I'm noticing and I've also found links on Google of other users complaining about the same is that the Intel 5100 AGN wireless seems to drop quite often. This never happened under Vista.

I use IRC quite a lot, and it's so frustrating with my Internet constantly dropping. Other laptops connected to the same AP (NETGEAR WNR2000) do not encounter this. The drops are extremely brief.

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Related Forum Messages:
HP/Compaq :: HP 8530w Intel 5300 AGN Drops Out
I have the HP 8530w and a D-Link DIR-615 wireless router and am trying to make them work together. Using the G speed (54mbit), the network is stable (signal quality is excellent). But when I try the N speed, the situation is different. The network starts working as it should, but when loaded (big files transferred), the network suddenly dies and windows vista can take up to a couple of minutes before it discovers the missing link. During that time, the 5300 AGN still receives packets from the router (10 beacons per second as per setup in the router). But no packets are sent (checking with Intels statistics tool).

So it looks like the Intel 5300 AGN doesn't send any packets all of a sudden OR that the DIR-615 has become temporarily deaf. But disconnecting/reconnecting in vista make the network work right away indicating the problem is with the Intel 5300.

As an ekstra test, I tried having the Asus EeePC 1000H (also has 802.11n draft) transfer the same files while the HP 8530w was and then the network was MUCH more stable. The HP 8530w experienced 1 dropout but the EeePC continued transferring at full speed. Obviously the Intel 5300 AGN has severe problems talking with the DIR-615, problems so big it cannot figure out how to recover normally. :-(

Needless to say, I have tried playing with most settings in the Intel 5300AGN and also with the DIR-615, but without success. The network breaks down, always.

On the plus side, the EeePC 1000H is stable.

I wonder if it is possible to exchange the Intel 5300 in the 8530w with another wireless lan? I'd prefer to have a card that works.

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Sony :: Vaio Z-540 Wireless (Intel 5100 AGN)
I've been using my Sony Vaio Z-540 without a problem for about a YEAR
until recently (about a month?), my wifi has been acting up.

My wireless card is Intel 5100 AGN

The problems are:
1. Sometimes, I do not get wireless from the startup . my wireless isn't even in the Device Manager...

2. When I do get wireless (Device manager confirmed), wifi connection disappears with even the SLIGHTEST MOVEMENT!

3. When I do lose the wireless driver (no more on the device manager), I put it to sleep, wait 5 seconds, wake up, and my vaio detects it. [but this isn't the case for ALL the time, sometimes I have to restart the vaio]

I thought it was a loose wire or loose card, so I opened it. The wireless card is bolted down with 2 screws. So i put everything back and it still has the SAME issue.

Also, I've updated the Intel 5100 Driver to the latest (When I finally got my Wireless driver seen on the device manager) but still the SAME problem, so I'm back on my OLD driver. still same problem, of course.

when I do have my wifi, my wifi just disappears with the SLIGHTEST MOVEMENT on my laptop. It has to be still...

Ethernet connect, however, works 100%

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Sony :: Intel WiFi Link 5100 AGN Driver
I recently installed Windows 7 Home Premium 64 Bit edition on my Vaio FW490 (upgraded from Vista 64). I received the free upgrade disks from Sony. When I checked my device manager I noticed that the driver version for the WiFi Link 5100 is dated 5/28/09. On the Sony Site, they list the version for Windows 7 as dated 10/8/2009, and when I checked on the Intel site, they are recommending driver version dated 10/21/09.

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HP/Compaq :: Is The Intel Wireless 5100 (AGN?) Card Removable Or
The DV5T seemed to be working pretty well for me and no real wireless issues.

What has happened is that since I upgraded to Windows 7 and the new drivers, I get some hitching, rubberbanding in games, slow speeds at times, etc.

Now I know Windows 7 is pretty rock solid and the new drivers came from the HP site.

But when I started googling, seems TONS of people have issues with the 5100 card and maybe I was just lucky before.

At first I noticed my card speed goes from ~50 MBPS to max of 130 MBPS. After reading, it seems even though my router supports 40ghz dual channel yadda yadda, the card only goes to 2.4 so it can't really run at 40ghz is my understanding and that 130 MBPS is pretty much the cap.

That said, it was that way before the Win 7 upgrade so that shouldn't change anything.

One thing I noticed is that in my device driver before the upgrade, it was a normal 5100 but now with the drivers, I see a 5100 AGN.

I can't find how the AGN and non-AGN versions differ?

Could it be I have AGN drivers for a non-AGN card?

Lastly, is this wireless card removable and upgradable or can I use the slot (empty) that I have for another card and disable the wireless 5100 through BIOS?

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Can i do a simple swap with my intel wifi card? In portland we have wimax now, so i am thinking of going that way. It would be nice to keep my express card slot free and have wimax internal. I wouldn't need a specific driver sony driver to use it would I?

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Sony :: Windows 2008 X64 On Vaio Z21
Having some driver difficulties on my Z21WN/B here.

Specifically, the wifi and 3G drivers won't work.

I've tried the Vista x64 drivers for both.

The wifi driver installs okay and it doesn't complain at all. Problem is, when I search for networks in range, it never finds any.

However, with the HSDPA card, it won't accept the drivers at all (says they are not the right drivers for the device).

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Dell :: M4400: Intel WiFi Link 5300 AGN Failure
This has been happening a for a couple weeks now.


Every time I boot up the computer and switch on the WiFi/Bluetooth button on the right side - only the Bluetooth light turns on above the keyboard.

Temporary Solution:

I go to Device Manager and find that the "Intel WiFi Link 5300 AGN" slot has the exclamation sign next to it so I disable the card and then reenable it again, then the problem is gone (the WiFi light turns on and I can now finally see wireless networks in the "Connect" window) .....

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I just bought 2x2GB (DDR2 667MHz) of memory for my VGN-C1Z laptop (unfortunately I did not check before if 2X2GB was supported). Now, as far as I understood the Intel 945PM should support this, but the laptop in itself was said to be 2GB limited.

Using Windows XPPsp3 with those 2X2GB success to boot but at the end I got black screen (I see the Windows logo and progression bar, it stops displaying some sec before the startup sound), then I success to remotely connect to the laptop through VNC, here I can see that Windows is reporting 3GB which looks "normal", and under driver tab I can see in system area a warning under the line "Mobile Interl(R) 945GM/PM/GMS/940GML and Intel 945GT Express PCI Express Root Port - 27A1" saying "This device cannot find enough free ressource to work properly (Code 12). If you want to use it you need to unactivate one of the other system device" [message was in French, this is my translation], the version of the pilote is I'm using BIOS version R0035J4, in the BIOS only 3GB are reported. Running Everest I saw that PAE is supported and activated, and the memory is detected, you can see here the Everest report: [url]

If I boot with 1x2GB it's ok (so the mem slot works ok against 2GB). If I boot with 1x2GB + 1x512Mo, it's ok too, so It's above the 2GB limit announced.

I tried to change the video driver, and also switch to VGA with same black screen of course.

So... what can I do next to try to have 2x2GB working (even if only 3GB are available) ? Does it looks a driver/Windows issue ?

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So I try for a couple of hours trying every setting possible on my router and on my laptop settings. Finally, I open up the bottom of my laptop and find out the black wire that goes to the Intel Wireless card isn't even connected! In fact the metal connector itself is missing entirely

So me not knowing much about electronics, I cut off a 2 inch wire (with connector) from my old laptop's wireless card and taped it to the new laptop's open black wire. Plug it in and now the signal is better, but it still sucks. Any advice anyone? I really would rather fix it myself if I can. Would it work better if I solder the two wires together? Or is the Intel 5100 a POS and nothing is going to help it?

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as of 2 hours ago my high speed has been stuck at 1 Mbps, much slower then its usual 65+ that I've had over the last 6 days since I got my laptop.

I'm thinking I may have received a faulty wireless card, since when I checked my wired desktop downstairs it's still at it's usual 100Mbps, and my sisters Inspiron 1420 has its normal high speed.

Now when I restart my wireless adapter (Intel 5100) the speed fluctuates between 4-38 Mbps for about a minute before dropping- and staying at 1 Mbps once again.

I checked if there are any computers stealing my wireless connection just in case, and as I thought no one is .....

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Is there a setting or somthing i can do to get the most run time.

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I know the brilliant designers browse this kind of forums and they are kind to take advice sometimes (e.g. they added VT, illuminated keyboard, etc)

I know that VPC-Z is nearly perfect and I haven't seen any competition from other brands so far.

However I am still a little picky about the current Z11:

a) I hope when Intel re-stocks LM processors Z21 can offer the 25W TDP option, e.g. i7 620LM. I personally have never ever seen any laptop within 15" that can deal with 35W TDP decently in history. See the Prime95 + Furmark thread for throttling.

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c) I hope Sony can use cooler GPU, preferably DX11 ones from ATI. Currently nVidia is suffering like Intel was in the Pentium 4 ages. (Recall that V505 used ATI Mobility Radeon 9200.)

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Done a Full Sony Restore of C drive. Still the same.

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But how do I make is possible to choose 1920x1200 from Win7?

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So how do I at least make it possible to use 1920x1200 on the big 2560x1440 screen?

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Some days ago my wife dropped my Sony Z21 from about 1 meter. Everything seems to work fine except Wlan, Bluetooth and HSDPA. I don't think that any of those modules are broken or something as everything else survived the drop. Does anyone know if all 3 wireless options are connected through some kind oa board? If so then I assume the connection is loose and that causes the wireless to drop. At the beginning it turned on and off the wireless ramdomly...

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2x MINI PCI-E Antenne Wireless WiFi 802.11N A/B/G/N AGN bei Komponenten (endet 20.05.10 22:20:07 MESZ)

Antenna fits nicely into disassembled/"lightened" Lenovo UltraBay III adapter and can be bolted with a small screw so it is completed fixed.

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Also, what upgrades have you guys done to a vgn sz laptop? RAM, CPU? I believe I can upgrade RAM from 2GB to 4GB but not sure if the bios will take it. And I'm not sure if I can switch from core duo to core 2 duo.

Other than these few issues, I believe this vgn sz laptop performs good with windos 7. This 3yr old laptop of mine outperforms my other cheaper laptops that I bought a couple months back.

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I've tried looking at some other threads and downloaded some Sony Notebook Utilities -package from the U.S. VAIO support site but was unable to install it on my laptop since the installer wasn't too happy about my VAIO model (after all, this apparently is an European model).....

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Everything worked out fine, and seamlessly (well, except video, that one got a little weird for a bit, but I eventually figured that out), except for one thing.

I have a Sony SRS-BTM30 Bluetooth speaker. This used to work just fine with my VGN-Z590, when I was running Vista on it, but now that I've installed Windows 7, it refuses to connect.

I can pair it just fine, it shows up amongst my bluetooth devices, but unlike previously, it does not show up in the list of "Playback Devices" (in the Windows 7 mixer/audio controls), and if I go to Audio tab of the Windows 7 Bluetooth Settings, it shows up in the list of devices, but if I select it and click on Connect, it will flash "Connecting" for a second, then return to its previous "Disconnected" state without connecting.

So, I was wondering if anyone else had any similar experiences with their Bluetooth gear.

Also I am wondering what Bluetooth driver you guys (people who have upgraded their Zs to Windows 7) are using? I noticed that there are no Bluetooth drivers listed in the Sony eSupport site for the VGN-Z590's Windows 7 drivers. I tried, uninstalling the Bluetooth drivers that came along from my previous OS (Vista) install, during the Windows 7 upgrade process and tried reinstalling the Windows Vista Broadcom drivers for the VGN-Z590, but that didn't seem to make a difference.

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Vista Business 64 Bit Drivers for Vaio Z
Vista Business 64 Bit Drivers for Vaio Z

My first challange was to get Dualboot WinXP, and Win7x64 to work.

Short solution for the EFI GDT Problem
//Edit: see VGN-Z Windows 7 x64 Drivers for a better way (with advanced Menu)
(only needed for x64, if you doesnt want to format your disk)

Create 3 folders c:efi-iso c:efi-exe c:efi-dvd

Download oscdimg.exe from [url] into c:efi-exe

Extract iso using 7Zip or WinRAR (Or copy the contents of the DVD) into c:efi-dvd

Start up a command prompt (Start -> Run -> cmd)
Type: cd c:efi-exe.............

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Does anyone have the same problem with battery life on Windows 7?

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