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Hi All,
I have had the XDA2 since launch and have noticed a rough patch appearing where I scribble using the stylus.
It is now a visably scratched area....
SHould this be expected? Have others got it? Did others get it on the XDA1 and get anything from O2 about it?
Cheers - Rich
I went to the BT store in my town and asked to buy a screen protector, the girl and the guy said they had never heard of such a thing, not one phone shop sold them either, I got one off ebay eventually, a reusable type. I think O2 do not supply a very vital addition to the phone because it brings business for them in the shape of new digitizers etc. They will not fix this kind of damage under warranty as it is caused by the user. However if your xda2 should suddenly become faulty under warranty you would get a nice new one.
Please look at the photo.
I just wonder is this just the protective layer of paint or some coating that I should peel off, any other user's experience the same ?
i have reported to HTC, waiting for reply... But I m not in the country that I ve bought the phone now... I wonder can I swap it like 6 months later if it's manufacturing defect.
Update 03/01/2010:
I got a reply from HTC:
__________________________________________________________________
According to the picture you provide, there should be slight appearance abrase in the button. Taking of this small layer of plastic would not affect the function of the phone. you may either leave it as it is or take it off. Thank you for your cooperation.
__________________________________________________________________
Update 04/01/2020:
I follow HTC instruction and peel/scratch away the coating of the HOME button only with finger nails.
The metallic effect's gone, and become just a normal black plastic key.
There are lots of micro lines on the button which cannot be seen on the photo.
It is still acceptable, just that I m not happy about a flag ship device's paint/coating came off so easily.
These are the photos
http://picasaweb.google.com/uccoffee.forum/20100104#
The button actually look nice without the coating in the photo comparing with the one next to it which the coating is coming off.
I m thinking should/can I ask for buttons replacement, or it is just a waste of time cos those buttons coating will eventually come off after excessive use.
i still love my HD2 , just a bit sad about so many problems
Update 05/01/2020:
i got HTC reply, nothing much they can help since I m not in Hong Kong.
Anyway, the girl from HTC said there was no one complain about the key's paint coming off.... I just wonder can those people who 's got problem and voted yes, would you mind at least send a complain letter to HTC please.
http://www.htc.com/hk-en/CS_Mail.aspx
yep my button is peeling too I had it 4 2 weeks
no problems here. hd2 is 6 weeks old ...
It's the metallic coating, if scratched away, it looks very plastic. ...
Simililar things have happened to my keypad in less than 2 weeks, and I always put it in its pouch. Guess we aren't lucky
not yet
I only use my HD2 since ~10 days, and do not have this exact problem, yet.
With my previous device (HTC Touch Pro) however, I had a lot of problems with peeling off coating (in TP case it was the plack paint peeling off the housing).
I also have the problem, that I use to buy my devices in Europe with WWE roms, and then take them with me to Japan, where I currently live.
This constellation is a nightmare for warranty return/repair with HTC, as they ask you to sent your device to where you bought it.
To avoid shipping my defect device helf way around the world, I last time decided to send my TP to HTC global repair centre in Taiwan.
They did the repair and they did it quick, but you don't want to know how much that cost me.
As soon as my HD2 starts loosing paint or coating, it will contact HTC global rapair in Taiwan again, but this time I will not accept to pay for the repair but push for good will.
The world gets smaller and smaller, customers do not stay in regions where they purchase devies. It is time for companies like HTC to adapt.
My girlfriend bought an Apple iBook in the US. In the menatime we moved to UK, Belgium and now to Japan.
She had warranty repair done to her iBook in all of those contires without an problem, so it should also be possible for HTC, if they just were a little bit more end customer oriented, but now that they try to market HTC as a brand, maybe it will come.
As a customer paying 500+ EUR for their products, I will not take NO for an answer.
Mine is actually worse than the photo in this post. I thought it was a temporary cover when it started to come away, like some buttons/screens have when a phone is brand new.
max1274, how bad is it? post some pic if possible
I only had my HD2 for 30 days....
I use my hd2 for five weeks, no problems so far. Hope to stay that way.
Its not even that bad, but yes very thin layers go off around the edges
Snap
Same here pal, it happened on my diamond as well.
**** happens i suppose
6 weeks... no problem
Damn.. Seeing things like these makes me want to go back to the shop and return it! Mine doesn't have anything but I am "EXTRA" careful with it but if it has happened to so many people it will probably happen to mine to. I cant stand paying 669€ (Portuguese value) for a phone that doesn't keep it together!
I get mad with these kind of problems!
Mine looks fine, had it since 24/12/09.
Touch wood it stays ok. Hope the guys with problems can get it sorted via HTC without niggles.
Please keep us posted on if you can get HTC to fix it.
Mines fine as well. But you know, the early batches of the HD had surface coating scratch, crack and chip problems. I bought my HD2 a month after they were first offered in the US, hoping to avoid the common problems, which were mostly ROM, but now I think maybe I dodged the bullet on this as well.
aro said:
To avoid shipping my defect device helf way around the world, I last time decided to send my TP to HTC global repair centre in Taiwan.
They did the repair and they did it quick, but you don't want to know how much that cost me.
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Click to collapse
Actually I would like to know.
Ibb1982 said:
Mine looks fine, had it since 24/12/09.
Touch wood it stays ok. Hope the guys with problems can get it sorted via HTC without niggles.
Please keep us posted on if you can get HTC to fix it.
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Click to collapse
I was wrong! I checked my phone at night, and guess I couldn't see the minor peeling I have on the home button. Now I've seen in proper daylight I can see mine is peeling.
This sucks big time. Anyone have any feedback from HTC?
I've also sent a support request via email from the HTC website via http://www.htc.com/uk/CS_Mail.aspx , hope they get back to all of us soon.
Got a response from HTC
HTC are quick, within 2 hours I received a response to the peeling issue:
"We are very surprised to hear that you have an issue with our HTC handset.
If you are within 30 days of purchase, you can book our handset for a DOA (Dead on Arrival) via the retailer. Everything that came with the phone including the box will need to be returned. A DOA can only be booked if there is no mis-use or damage found on the handset.
If you are outside of 30 days, please call us in order to book a repair service.
http://www.htc.com/europe/CA_Hotline.aspx
Please note that the repair centre will need to see the device before diagnosing whether the fault is covered by the Warranty or not. We can not specify a cost until the repair centre has seen it first.
Please see full DOA/Exchange Procedure below if you are within 30 days of purchase:
We can have the device repaired for you, however if you wish to exchange the device and it is less than 30 days old, please return it to the point of purchase for exchange.
The retailer may not be willing to exchange your device depending on the terms of sale you have agreed with them, this is their right and HTC cannot intervene on your behalf.
If an exchange is refused by your retailer then we can still arrange a repair for the device, but we cannot exchange it.
In the event that a repair becomes necessary and you do not wish to arrange it with your retailer please call quoting your reference number (e2e ref) if you have one.
Thank you.
-If these steps have not helped, please let me know by responding using the link provided and I will be happy to check again for you.
Best regards,
HTC Customer Support Team "
Why would we want to send our handsets for repair, only to have them fit the exact-same button unit. The same thing will happen again. Once we know HTC have manufactured new non-peeling buttons, that's when the repairs should take place. Painting buttons is stupid, why not just make them out of black plastic and have done with it.
sunking101 said:
Why would we want to send our handsets for repair, only to have them fit the exact-same button unit. The same thing will happen again. Once we know HTC have manufactured new non-peeling buttons, that's when the repairs should take place. Painting buttons is stupid, why not just make them out of black plastic and have done with it.
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Until they see them though, they're not going to think its a problem. Catch 22 all the way!
Has anybody had experience removing a screen scratch from their hd2?
i've only had mine for 5 days and its got a massive scratch on the screen, don't even know how it happened, i always keep my phones in a glasses baggy, my iphone is still mint after 18 months but today i was watching some youtube clips on my break and the screen was perfect, then put it on charge at work and when i came back to it it was really badly scratched, not sure if someone decided to have a look at it and dropped it while i wasn't there but needless to say i'm gutted, i was thinking of sending it back to o2 coz it has a few problems, random letters on typing and stuck messages, not sure if they'll accept it back even as faulty with this big scratch, any advice as to what o2 do with faulty phones? do they check them, bin them or fix them? it was bought over the phone btw, will they just write it off and send a new one because of the problems?
please help
I think you will struggle to get it replaced under warranty with a fat scratch, even if it didn't work at all, let alone a few issues that are (apparently) solved by updates.
Do you have any cctv at work? I'd be spitting mad and hunting for the culprit!
there is cctv but not in my department, and lots of people come in and out,
worst case scenario if o2 won't accept it back as faulty they'll just send it back as it is,
and if i'm lucky i'll get a replacement?
just been giving the screen a rub with some t cut and it seems to be helping with most of the scratch, there is just a 5 mm part that is deeper than the rest, do you think that would affect an exchange?
Maybe, you`ve got nothing to lose.....
Gotta be worth a try. Chances are they're only going to flash a new rom and ship it back anyway. Course, if you have insurance it COULD go missing....
insurance is what my work mate said, any recomendations for someone cheap but with full cover?
Just for the record, the random letters on typing and stuck messages thing probably won't be enough to get you a new device. These flaws are all over the place. HTC will tell you the 1.66 rom will solve those problems. And the 'not quite aligned screen' is also a thing that pops up here on a regular basis.
Hope you succeed.
Hello guys, sorry for hijacking this thread, but I have a very similar problem except without the scratched screen. The details are over here:
http://forum.xda-developers.com/showthread.php?t=627374
Basically, I sent it to HTC and it came back much worse than it was when I sent it to them. What can I do now? Send it back to HTC again or would O2 be better? Is there a way I can get a new phone?
Thx.
If you return it to O2, they'll courier out a new one and pick the "faulty" one up at the same time, so you would get a new phone straight away - they did this with my first HD2 which didn't recognise SIM cards.
What they do with the "faulty" one once it's couriered back is anyone's guess. You could be lucky and it just goes in a big faulty pile to be sent back to HTC. I would deny that it was scratched if they phone you up about it, but that's quite naughty.
Awesome, thanks elyl .
My phone isn't scratched in the first place. Hope it works out for the original poster too.
elyl said:
If you return it to O2, they'll courier out a new one and pick the "faulty" one up at the same time, so you would get a new phone straight away - they did this with my first HD2 which didn't recognise SIM cards.
What they do with the "faulty" one once it's couriered back is anyone's guess. You could be lucky and it just goes in a big faulty pile to be sent back to HTC. I would deny that it was scratched if they phone you up about it, but that's quite naughty.
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Click to collapse
what department at o2 did you use to get a courier exchange , what did you ask for and what problem did your phone have so that they exchanged it, cheers
sometimes the couriers themselves check out the goods if you are returning faulty handsets that have supposedly have no physical damage. ive had this happen to me a few times with my business units.
i would send it back to O2 anyway... if you have only had the handset for five days, explain that the screen is not "perfect". Its all about how you word it on the return form. Put down your other issues also.
This way when the courier turns up with your new handset and checks the goods and the return form (IF he has one) he will have no choice but to oblige.
stemoneymonkey said:
Has anybody had experience removing a screen scratch from their hd2?
i've only had mine for 5 days and its got a massive scratch on the screen, don't even know how it happened, i always keep my phones in a glasses baggy, my iphone is still mint after 18 months but today i was watching some youtube clips on my break and the screen was perfect, then put it on charge at work and when i came back to it it was really badly scratched, not sure if someone decided to have a look at it and dropped it while i wasn't there but needless to say i'm gutted, i was thinking of sending it back to o2 coz it has a few problems, random letters on typing and stuck messages, not sure if they'll accept it back even as faulty with this big scratch, any advice as to what o2 do with faulty phones? do they check them, bin them or fix them? it was bought over the phone btw, will they just write it off and send a new one because of the problems?
please help
Click to expand...
Click to collapse
Before I divulge this story I don't endorse this sort of thing.
My mate got the HD2 on an upgrade through O2, he sat on it within 24hrs and got a smudge on the screen, called them up and claimed there was a fault with the screen; which they then sent a brand new replacement. This promptly arrived and then by shear idiocy he managed to put it the through the washing machine the next day!
The device turns on but the back light has shorted, so you can see the GUI but only under strong light and it is basically unreadable. He will get insurance via O2 then claim next month saying he lost it. However the insurance does cost 10 pound a month; but still cheaper than 500...
azahoth said:
Before I divulge this story I don't endorse this sort of thing.
My mate got the HD2 on an upgrade through O2, he sat on it within 24hrs and got a smudge on the screen, called them up and claimed there was a fault with the screen; which they then sent a brand new replacement. This promptly arrived and then by shear idiocy he managed to put it the through the washing machine the next day!
The device turns on but the back light has shorted, so you can see the GUI but only under strong light and it is basically unreadable. He will get insurance via O2 then claim next month saying he lost it. However the insurance does cost 10 pound a month; but still cheaper than 500...
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Click to collapse
hmmmmm....
shady
but lol
Am I the only one who finds the people who break their phones and then try to weasel their way into a new, free handset annoying as hell?
My local HTC center used to offer courier exhanges for all HTC products, but not anymore. I called 'em up the other day to get my phone exchanged and they told me they no longer do it because people were abusing the service.
novaci said:
Am I the only one who finds the people who break their phones and then try to weasel their way into a new, free handset annoying as hell?
My local HTC center used to offer courier exhanges for all HTC products, but not anymore. I called 'em up the other day to get my phone exchanged and they told me they no longer do it because people were abusing the service.
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Click to collapse
no... you are not the only one who finds unscrupulous antics extremely irritating.
however,... some of the stories i hear are so ridiculous that all you can do is laugh.
the irony of it is, that when i ordered the phone it went through ok and the money came off my card, then i got a text a few hours after the order, saying they were out of stock, i rang a few days later to see when they expected fresh stock and the girl i spoke to re ordered it for me, 2 days later 2 phones arrived at my house delivered as one shipment, i could have sold one phone but being honest i rang o2 and explained they'd made a mistake, i sent one phone back the next morning,
my phone also has the landscape/portrait problems in internet explorer and calender apps, where if i open in portrait and switch to landscape the screen flicks back and forth fast until i pull the battery, i planned to send it for an exchange anyway as my mate who has one at work has none of my phones problems, its just my luck it got scratched
Hello,
I've had my X10 for a few weeks now and I'm really happy with it (even without all the features that seem to make a lot of you folk unhappy )
However, from new it's had a 'dark' corner on the screen (which you can see in the pic), so I contacted SE and they told me to do a software update and if that didn't fix it to send it to SBE for repair. The software update had no effect so I sent it off for repair.
It was returned in due course (5 days I think - good turnaround really), but all SBE had done was update the software (i.e. reinstall the same software) and the screen still has the dark corner.
I contacted SBE and SE and included the photo below to ask why it hadn't been sorted. SE said to send it back to SBE but SBE replied with the following:
"...We have looked into the issue, and there are no known defects with the LCD. Our technical support have advised this is pressure damage on the LCD, which would not be covered by the warranty..."
SE Escalation Team are now telling me to send the phone back again but I'm concerned that I'll just get told the same thing again (and asked to pay £75 to have the screen replaced or £10 for them to send it back without repair, as per their terms).
Just wanted to know if anyone had any thoughts on what's caused the problem with the screen? Apart from being darker, it works fine. I'm pretty careful with my phones (my old X1 is still in great condition) and I know I've not put any undue pressure on the screen - there's no signs of any pressure on the case or the inside, it's not been sat on, the box it came in wasn't damaged, etc, etc.
At the end of the day, if this is only done by pressure, then I guess I must've done it somehow, but I would've thought that the screen would've been a bit more robust...
If I am right then it is visible when you have a white background, so I would not bother changing the Lcd.
This is just my opinion.
Good luck.
Sent from my X10i using XDA App
Should have sent it back the day you got it, especially if it's a contract phone.
Return it to Orange as defective. SE support is kind of hard to deal with but don't accept what they are telling you.
if tis within 28 days the store you bought it from be it orange or carphone etc you can exchange it in the store for a new handset i had to do thi with a faulty usb port / which could have been my fault or at least SE would have seen it that way just be quick and dont go over the 28 days, go in witht he box and all the stuff and they will swap it round and take ownership of the problem
I have only been using this phone for about a week. has anyone has this problem and send it to htc to repair? does this cover under warranty??
This was a huge issue with my MT3G Slide. If I remember correctly, it is a warranty issue. You can send it to HTC or (not sure) I think T-Mobile will replace it. The problem is with the glue that holds the digitizer to the screen, it's crap.
Also, when you get your new phone go into a dark room and check for light leaks. Probably under the top shell so open the keyboard and look on the back side of the screen.
i have had my desire z for nearly 2 months now, no dust yet
I was in your spot a few weeks ago. Dust just magically accumulated under the screen one night. A few days later it bugged me so much I called T-mobile, explained that there is dust underneath the screen and that there is no physical damage on the phone. They sent out a replacement that night and I got it 3 days later. No issues no cost to me free shipping both ways.
They did this for me on a used phone I brought in too, so I'm sure there would be no issue getting yours replaced if its new especially.
chrisyeung88 said:
I have only been using this phone for about a week. has anyone has this problem and send it to htc to repair? does this cover under warranty??
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Click to collapse
I had the same issue caused by the screen not being aligned properly with the casing which left a 1mm gap between the the screen and casing allowing dust and fluff to seep through. It's a manufacturing fault so just send it back to htc. If you're rooted, best to unroot first, you don't want to give them any ammunition;, )
Stea1thmode said:
I had the same issue caused by the screen not being aligned properly with the casing which left a 1mm gap between the the screen and casing allowing dust and fluff to seep through. It's a manufacturing fault so just send it back to htc. If you're rooted, best to unroot first, you don't want to give them any ammunition;, )
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Click to collapse
did htc charge you? what is the procedure to take it back? and price for the courier?
chrisyeung88 said:
did htc charge you? what is the procedure to take it back? and price for the courier?
Click to expand...
Click to collapse
It's covered on warranty, you don't have to pay for anything, best to contact htc via email to keep a paper trail on things. They will send out a courier to pick up your phone, it's only a simple procedure so it shouldn't take long.
Stea1thmode said:
It's covered on warranty, you don't have to pay for anything, best to contact htc via email to keep a paper trail on things. They will send out a courier to pick up your phone, it's only a simple procedure so it shouldn't take long.
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Click to collapse
when i contact htc.... they said "At that stage the choice is given to either go ahead with the repair or have the phone returned. To have the phone returned a fee of approximately £20 for courier costs and the evaluation is applicable." which makes me slightly confused
you still have dust problem after the fix?
Had my g2 for like 4 month no dust. That's good am with T-mobile. They will replace your phone even if you have the the smallest problem.
Sent from my HTC Vision using XDA App
chrisyeung88 said:
when i contact htc.... they said "At that stage the choice is given to either go ahead with the repair or have the phone returned. To have the phone returned a fee of approximately £20 for courier costs and the evaluation is applicable." which makes me slightly confused
you still have dust problem after the fix?
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Click to collapse
I'm slightly confused myself, the way I interpret your text is that after evaluation should you decide not to have your phone repaired then they will charge you for courier costs to have your phone returned to you. Like I said previously it should be covered by warranty so you won't have to pay a penny.
After repair, the dust problem is soughted.
Depending on how bad the dust is...take your phone and repeatedly, but lightly tap it on a table...the dust particle will eventually, make it to the edge of the screen and get "stuck there" and you won't be able to see it anymore. At least, most of the time, it will.
verkion
Dust problem does get worse..... only time I am free enough to let htc collect my phone is easter....
Mm... I will try the tap method.......
Sent from my HTC Vision using XDA App
What a bummer, that's a long wait. Just so that you're aware it doesn't have to be your home address, you can use friends, family, work etc. address. The courier can just pick up/drop off even when you're not there.
Stea1thmode said:
What a bummer, that's a long wait. Just so that you're aware it doesn't have to be your home address, you can use friends, family, work etc. address. The courier can just pick up/drop off even when you're not there.
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Click to collapse
oo how?? as currently im living on student accommodation. don't really know how can i let them pick up. and prefer not to drop off bk at the accommodation office too
Have had my G2 since release and no dust yet
tried the tap method... but nothing happen..... dust is getting closer to centre now... as more dust gets in
I don't know if this thread is still alive, i hope it is.
Well, I got my G2 just about a couple of weeks ago. Got it off kijiji, cuz the gentleman who sold it to me told me that it has warranty till september 2011, i decided to buy it. It still does have warranty. It has got 2 problems, 1 with battery, the phone is s-off, rooted, and modded with CM Nightly RC1, and the battery just runs out very quickly, i have to charge the phone atleast twice a day. and 2nd is with he screen, it has got dust underneath, on right hand top corner, so i decided to call htc directly and find out if i can send the phone off for repair, and if i could get a replacement battery.
The girl on the other side was nice enough that she is sending me a new battery, so one problem will be solved, then I asked her if i can send the phone back to them to get it fixed.
I am actually worried about 2 things. One is how do I put the stock rom back on the phone? I am not a great modder and don't really know(i think little bit research will help, as i found this thread after search) and two is i am really afraid of htc charging me for something i might not have done. such as liquid damage. physically the phone looks great. no scratches or any sort of physical dent marks. but liquid damage is something really scares me out.
what should I do?
I need some advise from my fellow xda folks... Please help me out...
As far as i know, if you grab the official firmware from bell, (i assume bell because you said kijiji and that is normally canadian), load that up and make sure your recovery is stock, htc will not even know if you had a custom rom in it.
As for the water damage, there is usually a small white sticker where the battery usually sits. This sticker changes colour if it is exposed to excessive moisture. If this sticker is still white, then you are fine.
Sent from my HTC Vision using XDA App
Athrun88 said:
As far as i know, if you grab the official firmware from bell, (i assume bell because you said kijiji and that is normally canadian), load that up and make sure your recovery is stock, htc will not even know if you had a custom rom in it.
As for the water damage, there is usually a small white sticker where the battery usually sits. This sticker changes colour if it is exposed to excessive moisture. If this sticker is still white, then you are fine.
Sent from my HTC Vision using XDA App
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Not actually, i got the G2 off kijiji, the tmobile version which i use for my wind mobile sim card.
I called htc directly and the girl on the other side said the phone is fixable being in canada but i m just curious and concern about the charges they might apply to fix this... i asked her specifically that if i m in canada are you sure there will be no charge for me to pay? she said, we will require your credit card which has at least a dollar value on it, just for security(which i thought is weird as i have N1 i had to sent out for repair and they didn't ask for my credit card info... i asked her and she said N1 and G2 are two different cases handled by two different operational teams, they don't require info for N1 as its a Google phone, while G2 is sold by tmobile, my cc info they will use in case if there is any liquid or physical damage and i will have to pay for at least shipment back which is $35)
regarding the sticker, i can see a small white rounded sticker underneath the battery which is fairly white so far... i assume that's the one and doesn't look like it has changed color significantly, but I am still afraid - i think i might color blind... lol... i had a problem before with rogers bb bold, where i sent the phone in for repair and they said it has got liquid damage as the sticker has turned blue and i had to pay $250 for it...
That's the reason I need suggesions from ya'll people... how can I make sure my phone is damage free and can get the dust problem fixed?
i am really scared and totally confused...
creativedevil said:
Not actually, i got the G2 off kijiji, the tmobile version which i use for my wind mobile sim card.
I called htc directly and the girl on the other side said the phone is fixable being in canada but i m just curious and concern about the charges they might apply to fix this... i asked her specifically that if i m in canada are you sure there will be no charge for me to pay? she said, we will require your credit card which has at least a dollar value on it, just for security(which i thought is weird as i have N1 i had to sent out for repair and they didn't ask for my credit card info... i asked her and she said N1 and G2 are two different cases handled by two different operational teams, they don't require info for N1 as its a Google phone, while G2 is sold by tmobile, my cc info they will use in case if there is any liquid or physical damage and i will have to pay for at least shipment back which is $35)
regarding the sticker, i can see a small white rounded sticker underneath the battery which is fairly white so far... i assume that's the one and doesn't look like it has changed color significantly, but I am still afraid - i think i might color blind... lol... i had a problem before with rogers bb bold, where i sent the phone in for repair and they said it has got liquid damage as the sticker has turned blue and i had to pay $250 for it...
That's the reason I need suggesions from ya'll people... how can I make sure my phone is damage free and can get the dust problem fixed?
i am really scared and totally confused...
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Click to collapse
Ahh, just wanted to clarify since I didn't see any of the T-Mobile versions on Kijiji when I did my shopping.. If that's the case and you have the G2, then you should be able to pop by the T-Mobile site and grab the stock ROM off them. I also saw a list of stock roms somewhere on this site for the DZ/G2.
If the water sticker is whitish, then it's still good. As long as it's not red/pink or blue, those would be a sure sign of water damage.
The only reason why they would need a credit card, in my opinion, is for any unexpected charges that they would apply to it in the case of a necessary repair that is not covered under warranty. But other than that, I wouldn't know why else.
I hope you get it sorted out.
Regards.