Question about Sony Network Walkman NWZ-S545 Digital Media Player

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I purchase a brand new sony s545 and when I connected to a usb, all iget is a sign saying "connected to USB. The timer and Alarm will become invalid." and it won't respond to anything and also it doesn't charge the battery at all. I left it for few hours and it is still on single notch.

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Try to reset your player by pressing the reset button using a paper-clip while its connected to your computer. Check if you got some changes.

Posted on Sep 29, 2010

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My Walkman NWZ-S544 connects but does not pass image that says walkman, and when I connect USB loads but says "the timer and alarm will become invalid," already did reset and still the same, that woul

It's supposed to say ")Connected USB)The timer and alarm will become invalid." I does that because it's charging when you plug it into your CPU. Hope this helped!

Mar 10, 2013 | Audio Players & Recorders

1 Answer

How do I change the battery on the NWZ-S545 when theres not a compartment to open to change it?!

Use the USB cord that came with it and hook it up to either your computer or to a USB charger

Dec 30, 2011 | Sony Network Walkman NWZ-S545 Digital...

1 Answer

I have a sony nwz-s545 mp3 player. It worked perfectly until last week. Now I connect it to the computer, it says "Connected USB. The timer and alarm will become invalid", stays like this for...

Before I can answer this question could you answer this question? This will help me to better assist you with a solution.

When the Walkman's screen shuts off, is your computer screen on? Or has your computer screen gone to sleep?

Reason being: When I plug my Sony Walkman in, it will charge. But if my computer has gone to sleep, it will shut the Walkman screen off and stop charging.

Could this be a problem with the battery?
It could be a possibility. If the above reason does not apply to you, then it could be the battery.

How can I check or replace it?
Your best bet is to check the Sony Walkman website, I have included this below. If any of their solutions do not work, then give them a call or chat with a representative. They have been very helpful to me when I needed it, I'm sure they will do the same with you. If they cannot fix it, ask them if they can replace it for you. They might ask a few questions, but they should be able to help hopefully.

Hope I was of some help to you. Good luck. If I can help you with anything else, feel free to send me an email and I will do my best to help you.

Sony Walkman Website Support

They have solutions to a lot of problems on this site. If the URL does not work, go to google and type in then use the menus at the top of the screen to find your player model. It will lead you to the same site.

If you need any more help, my email is below, I will do what I can to assist you

Hopefully this helped you, take care, and remember if you need anything, just send an email.

Mar 25, 2011 | Sony Network Walkman NWZ-S545 Digital...

3 Answers

My Sony Walkman NWZ-E344 not show anything to display. Display show only logo & i have connect pc then show "connected USB.the timer and Alarm will become invalid" pls solve this...

My Sony Walkman NWZ-E344 not show anything to display.
Display show only logo & i have connect pc then show "connected USB.the timer and Alarm will become invalid"
pls solve this problem?

Dec 21, 2010 | Sony Walkman NWZ-E344 Digital Media Player

1 Answer

Where can Iget the USB connection cord?


Thank you for your query

Please see the link below of one of many places you can purchase the USB cable from

Also your local PC shops should also stock them

I hope this has been useful

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My Device Isn't Downloading The Music!

You can try the Walkman recognition solution posted on
If that doesn't work, you can go to the Walkman product page (link is available in the post) and try some of their troubleshooting solutions.

Feb 25, 2010 | Sony Network Walkman NWZ-S545 Digital...

3 Answers

Sony 16g Walkman NWZ-S545,but system will not recongize it !

If you have XP SP3 installed , you might face this problem.
Go to the Device manage. Click on the update driver of the sony walkman device driver. When the dialog box appears select, choose install from a specific location, then click next.Then in the next part of the wizard, select don't search, i will choose the driver to install and click next. then choose from the portable driver, select USB root hub. Click next and finish. You are done and enjoy the data transfer and music.

Dec 20, 2009 | Sony Network Walkman NWZ-S545 Digital...

2 Answers

How do i turn my mp3 on?

my sony mp3 nwz-e344 can not connect to the computer it say's connected usb (mtp) the timer and alarm will become invalid , what do I do

Sep 22, 2009 | Audio Players & Recorders

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