View Full Version : Connect to PC often does not work
I found many messages in this forum, where someone has the same problem with the x5 as i have:
Often when i connect my x5 to my computer, the x5 is not recognized. Sometimes the x5 displays "Ok to disconnect" when i plug it in! I have to plug it out and in several times until it works. Thats very annoying.
Cowon peolpes, please tell me, when this bug gets fixed.
Is that using the USB port in the subpack, or the host port on the side for syncing with WMP?
I only use the USB port on the subpack. I want to mount the x5 as a disk and then copy over my music to it.
Ok, make sure the cable is plugged into your computer directly into the mother board. Also try turning it on before connecting it, playing a song, turning it off again and then trying again - has worked on the one occasion i had this problem with a mates laptop.
I don't think, that it matters whether the x5 is connected directly to the computer or not. Recently i tried it several times on a direct port as well as on a hub, and it worked allways. I don't know what's the reason of the connect problem. When i had the problem, i tried to connect on the direct USB port only.
I don't know wheter your procedure really helps. And if it helps: I dont want do do such quirks just do connect the device to my pc. I want that it just works.
I have a similar problem.
First, I have a test machine with multiple partitions which I can boot to multiple OSs. The primary partition is WinXP Pro SP2 and is the one usually active. I set up a minimal test partition (XP Pro SP2) to test the ripping/encoding process and various related programs (EAC, JetAudio, GoldWave, dBpowerAMP, MonkeysAudio, etc).
With the test partition booted I can connect the X5L (2.10b7-e) both with the subpack and in usb host mode. With the primary partition booted, the one I ultimately hope to use for music processing and management, I cannot get the OS to recognize the X5L, neither using the subpack nor via usb host mode. The cable and the usb port on the computer are the same in both cases. I tried opening 'diskmgmt.msc' as suggested in another thread and the unit does not appear the drive list. I shows connected briefly when plugged in to the host port then quickly changes to "Ok to Disconnect".
I would like to depend on the primary installation of XP Pro for music management, but that's not possible if the system will not recognize the X5L. Does anyone have any suggestions?
I don't think, that it matters whether the x5 is connected directly to the computer or not. Recently i tried it several times on a direct port as well as on a hub, and it worked allways. I don't know what's the reason of the connect problem. When i had the problem, i tried to connect on the direct USB port only.
I don't know wheter your procedure really helps. And if it helps: I dont want do do such quirks just do connect the device to my pc. I want that it just works.
Well, i'd say give it a shot - if it doesnt work it doesnt work, buts its only going to take 30 seconds. Whats the point in asking for advice if you can't be bothered to actually follow it....
Johnkokk
12-28-2005, 03:11
Yesterday I had a similar problem.The battery was low on the X5 (the battery indicator was at about 1/4, 1/5 of FULL, and i tried to connect it to my PC using USB hub.I tried for 4-5 times and there was a message on my computer saying something like "one device exceeded the maximum power....something of the usb hub" and it shut off the specific usb port that i was trying to connect the X5.Also the X5 was frozen for a couple of minutes and then it was shutting off normaly.
Then i connected my X5 on AC and connected again on the PC and guess what ? No problem. Maybe there is a bug there ?
Well, i'd say give it a shot - if it doesnt work it doesnt work, buts its only going to take 30 seconds. Whats the point in asking for advice if you can't be bothered to actually follow it....
If you buy a mobile phone with wich you can only place a phone call after you have sent a sms, would you accept that? Probably not.
But, if i have the problem again, i will try the turn-on-listen-to-music-turn-off-and-connect-botch-up to see if that helps. But even if it helps, Cowon has to fix this.
Yesterday I had a similar problem.The battery was low on the X5 (the battery indicator was at about 1/4, 1/5 of FULL, and i tried to connect it to my PC using USB hub.I tried for 4-5 times and there was a message on my computer saying something like "one device exceeded the maximum power....something of the usb hub"
I saw a similar message, and my battery was about ¼ full.
Then i connected my X5 on AC and connected again on the PC and guess what ? No problem. Maybe there is a bug there ?
This did not help for me. I think it's probably the case, that the x5 has problems in connecting to the pc, when te battery is low. I will try it out when the battery is low again.
hey, there maybe a bug there, but its not the end of the world is it? If the device fails to connect at all and my idea doesn't work then yes that is a major problem - but its not that bad to just turn it on and turn it off again.
Sorry, i'm defending this fault more than i should - it is a fault, but it rather annoyed me that you asked for advice and then moaned about it without even trying it!
Anyway just out of interest, what firmware version are you using?
hey, there maybe a bug there, but its not the end of the world is it? If the device fails to connect at all and my idea doesn't work then yes that is a major problem - but its not that bad to just turn it on and turn it off again.
Sorry, i'm defending this fault more than i should - it is a fault, but it rather annoyed me that you asked for advice and then moaned about it without even trying it!
At the moment it works. I try again when the battery is lower, because i think it's probably a problem with low battery.
I want to help Cowon to find the cause of this problem. To have a workaround is ok, but it's not the solution. When Cowon fix this problem, that's the solution.
Is Cowon staff reading this list?
Would be great, if they could confirm, that they have noticed that there is a problem. And even bether, if they are working on a solution.
A bug-management (bugzilla) would help alot!
Anyway just out of interest, what firmware version are you using?
2.10b7
True it should be sorted, but as i sort of expected you are running the beta firmware - it says beta for a reason you know, you should expect some problems. Try posting the problem in the firmware section under bugs, thats where its most likely to get noticed by cowon.
With the test partition booted I can connect the X5L (2.10b7-e) both with the subpack and in usb host mode. With the primary partition booted, the one I ultimately hope to use for music processing and management, I cannot get the OS to recognize the X5L, neither using the subpack nor via usb host mode.
I found the solution to my connection problem, so I thought I would share. First, I set an system environment variable DEVMGR_SHOW_NONPRESENT_DEVICES=1 so device manager could be directed to show hidden devices (there was one USB Root Hub listed as such). I then used device manager to uninstall all USB Root Hubs and USB Host Controllers, starting at the bottom of the list and working toward the top. When all such devices were uninstalled I rebooted WinXP, which immediately detected and reinstalled all the USB devices.
I am now able to consistently connect the X5L to the WinXP Pro SP2 system using both the subpack and the USB Host connector.
HTH ...
What some of you guys are talking about sounds like the problem I had - basically I'd connect my X5 to a USB port and it would disconnect immediately. It was drawing too much power, so I switched the unit to Hub Mode instead of PC Mode (it's in the settings somewhere). Now it doesn't try to charge, and it works fine
sanitystream
12-31-2005, 20:07
I have experienced this problem twice, including tonight.
In both cases, it happened after I was using another USB device (a memory key). I unplugged the memory key, then plugged in my X5 and the PC did not recognize that any hardware had been added at all.
A month ago, the same exact thing happened on a totally separate computer.
I think this could be an issue with Win XP and a bug in how it recognizes USB devices?
Anyway, the only solution was to just keep plugging it in, rebooting, and finally XP recognized it. Don't ask me how I did it!
ChefLeon
01-29-2006, 19:59
I'm having the exact same problem as the others have stated, but none of the things they have mentioned have helped me to fix the problem.
Here's what happens: I plug in the subpack and the USB cord to the X5, and the computer makes the familiar "budunk" noise that sounds whenever a device gets plugged in, except that it makes this noise a few times, very rapidly. The X5's screen then tells me it's okay to disconnect.
I have tried these things: Recharging to full battery; plugging in and out many, many times; rebooting the computer a few times; turning the player on, listening to music, and then turning off and plugging in; plugging in on the host port; changing to Hub Mode in settings; staring at the player fiercely in the hopes of scaring it into working.
I would try what Late2DM said fixed his problem, but I have no idea how to uninstall the USB controllers.
Any further advice would be greatly appreciated. Furthermore, any official word from Cowon would be amazing, since this seems to have happened to a fair amount of people.
Also, the firmware I'm running is 2.07-e, the same that came with the player when I bought it. Since the OP's firmware was one of the 2.10 betas, it seems that this problem isn't firmware related.
Zeus's Uncle
01-29-2006, 20:23
At the moment it works. I try again when the battery is lower, because i think it's probably a problem with low battery.
If this is true, then Ant's advice is probably right. Especially if you are using an unpowered hub. Ports on the front of computers are often unpowered, so use the ones in the back.
It was drawing too much power, so I switched the unit to Hub Mode instead of PC Mode (it's in the settings somewhere). Now it doesn't try to charge, and it works fine
Actually, it never tries to charge when it's turned on. In order to charge off of usb you have to turn the X5 off. That said, I believe that in PC Mode it tries to use the power coming out of the usb port to power the hard drive, instead of using battery power. In hub mode, I believe it just directly accesses the battery to spin the hard drive.
ChefLeon
01-30-2006, 16:52
If this is true, then Ant's advice is probably right. Especially if you are using an unpowered hub. Ports on the front of computers are often unpowered, so use the ones in the back.
I don't think that is the problem, in my case at least, because I've tried both the ports in front and in back. Additionally, I've tried it both when the player has been at about 1/5 charge, and at full charge. I don't think power consumption has much to do with the problem, if at all.
Zeus's Uncle
01-30-2006, 18:55
Yeah, ChefLeon, sorry, I wasn't addressing your issue. My post was directed toward MrSun & Ant for that.
As for uninstalling drivers, well, how to do that all depends on what OS you are running.
ChefLeon
01-31-2006, 06:26
Heh, no need to worry about it now. It turned out that somehow, it got disabled in the device manager- I have no idea how, but I'm glad it got figured out. I also figured out how to uninstall the USB drivers, but that's not so much of a problem now. Thanks for responding, though.
BoomerFZ1
01-31-2006, 11:18
I have this issue on my home PC but I have an after market PCI USB 2.0 card that I thought was the issue. Sucks that it's not. So you change from PC to HUB on the unit but now you can't charge, right?
Zeus's Uncle
01-31-2006, 11:52
right, but charging only happens when you power down the device anyways. it has to be turned off and unaccessible through your computer in order to charge.
BoomerFZ1
02-03-2006, 06:59
Are you sure??? I notice the red light on top when it's in the cradle regardless of whether it's recognized by the PC or not. And has anyone contacted Cowon on this?
Zeus's Uncle
02-03-2006, 17:28
Are you sure??? I notice the red light on top when it's in the cradle regardless of whether it's recognized by the PC or not. And has anyone contacted Cowon on this?
Do you have the AC adapter plugged into it? If so, then of course it will charge. But if you want to charge off of the USB cord, then yes, you have to powerdown the device.
Well it thats the case, thats obvious - there is no way you could draw enough current from a USB port to fully power and charge the device at the same time.
BoomerFZ1
02-05-2006, 16:25
I determined my problem was the cradle. Apparently I needs to do a return. I have it with ma subpack and all is peachy keen.
Zeus's Uncle
02-05-2006, 17:04
Well it thats the case, thats obvious - there is no way you could draw enough current from a USB port to fully power and charge the device at the same time.
True, but you could build it so that the device doesn't need to be powered down to charge. The real draw of current is when the hard drive spins. So if that's not happening, you can charge the battery, albiet slowly, off the usb cord; and stop charging but even start to use the battery to spin the hard drive. This is how the ipod is designed. You can plugin to your computer and seamlessly switch between charging & using the battery power while sync'ing music.
But whats the point if your going to charge it a bit and then use up that charge when you copy music over? might as well power the HDD straight from the USB and forget about battery charging when its connected. Also if the X5 works the same as the M3 when connected (which i expect it does) then the HDD is permanantly running.
Zeus's Uncle
02-07-2006, 02:44
i fail to understand your logic. since you'd have to use some power from the usb to spin the hard drive when it needs to spin, you should never use any of the usb power to charge the battery? i think you may miss the fact that the usb is not enough power alone to spin the hard drive permanently. i have no experience with the m3, but the x5 hdd is definitely not permanently spinning. that would be very poor design. what is good design, is to charge the battery when there isn't a great draw in the player. sure, you could be forced to turn off the player in order to charge the battery. but with elegant design, you can do stuff like plug in a dead-battery player to your usb, go find a couple albums to add, drag them over. To the user, there is no difference between the sync & the charging.
sb is not enough power alone to spin the hard drive permanently.
ok, i didn't realise that, and i do see what you mean - that would be better. But if you're at a computer why not just use the ac adpater anyway? there must be a power source somewhere nearby (unless its a laptop in which case it won't charge anyway unless the laptop is plugged in)
elconejito
02-07-2006, 11:56
can't speak for anybody else, but I only have one AC which is at home. When I run out of juice in the office, I just plug it in via USB and let it charge there. If I'm on the road, I just plug into my laptop. I keep a USB cable in my bag all the time (PDA, X5, etc), so the only extra thing i carry is a spare subpack which is very little. Then I don't have to carry around an AC adapter
Zeus's Uncle
02-07-2006, 16:27
yeah, exactly. usb cord = small & easy to toss in a bag. ac adapter = added & unnecessary bulk.
i was having this same problem and i figured out that it was because of the connection of the subpack to the x5. just don't plug in the subpack as tight (plug it in loosely) and you shouldn't have any more problems.
it probalby has nothing to with the battery or turning the x5 on or off.
afruff23
03-08-2006, 19:56
If this is true, then Ant's advice is probably right. Especially if you are using an unpowered hub. Ports on the front of computers are often unpowered, so use the ones in the back.
Actually, it never tries to charge when it's turned on. In order to charge off of usb you have to turn the X5 off. That said, I believe that in PC Mode it tries to use the power coming out of the usb port to power the hard drive, instead of using battery power. In hub mode, I believe it just directly accesses the battery to spin the hard drive.
Is a USB 2.0 PCI card I put in myself powered?
Zeus's Uncle
03-08-2006, 20:33
Is a USB 2.0 PCI card I put in myself powered?
No idea. You should check the documentation that came with it.
brentano
03-13-2006, 10:52
Regarding the original poster's question- I frequently experienced this as well- the "OK to disconnect" message before a connection had been established.
I reformatted the hard drive on my x5 to correct another problem, and since then have not had the premature OK to disconnect message.
So, if you have enough HD space on your computer to back up your files, it may be worth a try. It's pretty painless to reformat.
did you try my suggestion a few posts up
afruff23
03-13-2006, 17:45
I threw it away/can't fidn out. All usb 2.0 pci cards are essentially exactly the same except for the number of ports they have. Somebody should be able to tell me the answer.
I had this same problem this morning. Connected the X5L to my PC and it wouldn't recognize and the unit would immediately say "OK to Disconnect". So I started searching on here and saw that there were a ton of recommendations and different things that work for different people.
I've always used a USP multi port to connect and haven't had any problem in the past that way, but I connected directly to the port on my PC and it didn't make a difference.
I powered the unit, played a song, turned it off, tried again and that didn't work.
I changed from PC to Hub on the unit and that didn't help.
I tried with the USB host port and subpack and got the same thing with both.
My unit had a low battery, so I thought that might be it, but I had the charger plugged into it simultaneously so it shouldn't have made a difference.
So I shut down my PC, restarted it, connected the device and everything was fine. Weird. This problem sucked, but if that's going to be the fix for it, then that's not that big of a problem. It's something I can live with. Electronics are quirky and if this is the only problem I have, I'll consider myself lucky.
sean808080
04-05-2006, 11:47
this is a pesky issue and one of the few downsides to this great unit. i have tried rebooting, recharging, and i never use a usb hub but i also have difficulties getting connected reliably.
:thumbsdow
Hi, i'm experiencing similar problems, in my case my computer refuse to recognice my X5 when i use the docking cradle, but everything works fine using the subpack. (i use 2.10 fw).
Regarding the original poster's question- I frequently experienced this as well- the "OK to disconnect" message before a connection had been established.
I reformatted the hard drive on my x5 to correct another problem, and since then have not had the premature OK to disconnect message.
So, if you have enough HD space on your computer to back up your files, it may be worth a try. It's pretty painless to reformat.
Unless it doesn't fix the problem, then you're in a WORLD of pain trying to retransfer all your files
i had the same problem and strangely it worke immadiately when i turned of the firewall of windows. so maybe a windows-bug...
afruff23
05-04-2006, 18:08
At one point it wouldn't recognize no matter what I did(restart PC, restart X5, play a song, etc.). Finally, I gave up and disconnected all non-X5 USB cables from the PC and attached the X5 and it worked.
Another time, I got so frustrated that I went away. I came back in a few minutes and tried again and it worked. Most of these so-called fixes probably work since the user waited a while before connecting the X5 again.
Windows firewall has nothing to do with USB mass-storage devices so that can't be it.
Wolfsbane68
05-05-2006, 08:16
Disconnecting the firewall, wow, that's pretty brave of you (or maybe not so smart ;-D). Unplugging all USB cables, I'll have to try this the next time, the problem is, the laptop mouse is USB ;-(
Update for Windows XP (KB838989)
Brief Description
When you connect a Pocket PC handheld device to a USB 2.0 hub or turn off the device and then turn it back on while the device is still connected to the USB 2.0 hub, Windows may not redetect the device.
This problem may also occur with other USB devices that have pending transfers if the device is disconnected and then reconnected; or if the device is turned off and then turned back on while it is still connected to the USB 2.0 hub.
Zeus's Uncle
05-10-2006, 11:34
That's really old. If you're running XPSP2 this is already on your system.
afruff23
05-11-2006, 14:30
I don't get this. It works just fine on my computer and laptop, but the other computer it just keeps going to the OK to disconnect screen. They're all XP SP2 with USB 2.0.
I don't get this. It works just fine on my computer and laptop, but the other computer it just keeps going to the OK to disconnect screen. They're all XP SP2 with USB 2.0.
I went through a similar set of extremly frustrating circumstances. In my case I had two different XP SP2 partitions on the same machine -- one worked fine the other flat refused the X5 connection. The following post details the steps I took to clear up the problem partition, which has behaved without issue since.
http://www.iaudiophile.net/forums/showthread.php?p=63344#post63344
HTH
sean808080
05-16-2006, 11:06
i am having greater reliability with my connections.
it appears that disconnecting the device before hibernating my PC makes a big difference.
hope that helps!
sean
Zeus's Uncle
05-16-2006, 15:31
i am having greater reliability with my connections.
it appears that disconnecting the device before hibernating my PC makes a big difference.
hope that helps!
sean
Yeah, when your PC goes into hibernate it does not close connections to peripheral devices, unlike when you shutdown which will first disconnect the attached devices before turning off the computer.
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