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Which screen does your M1710 have? - Page 2

post #21 of 464
6/13/06 at 9:57am
Wow - having the same engineer really helps continuity - this is part of the issue why I ended up with 9 screens!

I hard back from Dell just now, and he has no news on the different types of screens a the supervisor is away at the moment - however he wil lget back to me, and he's been very good thus far.
Good luck for tomorrow!
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post #22 of 464
6/13/06 at 10:30pm
Quote:
Originally Posted by Jim Barry
Thanks wadham, any inside information you can extract from Dell would be extremely useful. If the LG-Philips screen is available in the UK then maybe I should try to get one of those, as people here seem to rate it highly.

The engineer just called me and said that he will have another screen for me tomorrow. However, he can't say what type it will be so he is going to have a look at the model number and call me before making the trip. It's always the same guy so that helps. But my guess is that they have a big pile of LTN170WU screens at the moment so there's very little chance of anything else turning up.

As you say, the brighter screen is advertised in the product info so I think I am justified in refusing to accept the older model, and shouldn't take no for an answer.

My replacement LCD for my M1710 showed up yesterday, and it is a LTN170U1. I currently have a Sharp LCD that I complained had unacceptable light falloff on the right and left sides due to narrow viewing angle.

Is the LTN170U1 worthy of me taking apart my panel to replace it, or should I just send it back? (I was hoping they'd send me a whole new TOP+PANEL so I wouldn't have to dissect my screen. Guess not... )
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post #23 of 464
6/14/06 at 12:34am
Quote:
Originally Posted by Jim Barry
To find out the display type, go into the Device Manager (My Computer -> Properties -> Hardware) and under Monitors, get the properties for "Plug and Play Monitor". In the Details tab you will see something like "DISPLAY\\SEC5557\\blahblahblah". The SEC5557 is the relevant part. The SEC prefix means that the panel is made by Samsung Electronics Corporation.

My M1710 came with a SEC3155 which was quite nice but rather unevenly lit. On the advice of others, I got Dell to change the screen. They put in a SEC5557, which is more evenly lit but unfortunately seems inferior in most other ways. There is more backlight leakage at the edges, and the black level is not so good. There is a more noticable "grain" or "sparkle" effect. The SEC5557 is much less bright than I remember the SEC3155 being. Now, Dell advertises the M1710 as having a 30% brighter screen than previous models. Also, I see many posts from M170/XPS2/9xxx owners here talking about the SEC5557, which leads me to suspect that Dell has given me a "previous generation" screen. Also, I notice that the default display settings (e.g. Contrast=46%, Gamma=9%) seem tuned for the SEC3155 and look really "washed out" with the SEC5557. OK, turning the gamma down helps but that's not the point.

I asked Dell whether they sent me the wrong part, and they said no, it is definitely the correct part. So what's the story?

Mine has the screen that lights up and shows me pictures. Does yours not do this?
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post #24 of 464
6/14/06 at 5:08am
There's always one joker isn't there..

Anyhow Jim, Dell got back to me yesterday with the following:
In the UK, the Samsung is the ONLY screen available for the 1710.
There has been a 'supervisors meeting' about the screen issue, and they will be bringing the subject up again this month at the next meeting.

One of the sups told me himself a couple of weeks ago when they offered me the 1710 that there were a few issues with the screen, but they had most likely been ironed out by now.

We have left it as an 'open case', and if a solution is found at any point in the future then I'll be able to swap my screen - until then it's propbably not worth pursuing.
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post #25 of 464
6/14/06 at 6:31am
Thread Starter 
Thanks wadham, useful to know that the LG-Philips is not an option in the UK. Just had a call from the engineer who is on his way with another screen. Sounds like it's going to be the SEC5557 again. Apparently it says LTN170WU on the sticker but then it says LTN170U1 somewhere on the back of the screen so I'm really really confused now.
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post #26 of 464
6/14/06 at 7:43am
Thread Starter 
The new screen is indeed another SEC5557. At least there are no dead pixels in this one. The main sticker in the upper right corner (looking from the back) says it is an LTN170WU-L03. There is a smaller sticker in the lower left corner that says LTN170WU-L02-V/E. Printed at the upper left is LTN170U1-L01. I don't know how it can be both LTN170WU and LTN170U1 as those are listed as two completely different panels on the Samsung website. All I know for sure is that I had something that identified itself as SEC3155 in the device manager and was a lot better than the thing I've got now that says it's a SEC5557. I guess I will just have to wait for the courtesty call from tech support and tell them I'm still not happy. Not sure how else this is going to get resolved other than Dell sending me a whole new laptop.
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post #27 of 464
6/14/06 at 7:52am
Thread Starter 
Quote:
Originally Posted by lancorp
Is the LTN170U1 worthy of me taking apart my panel to replace it, or should I just send it back? (I was hoping they'd send me a whole new TOP+PANEL so I wouldn't have to dissect my screen. Guess not... )

I would definitely give it a go. The panel is actually not too hard to replace. It can be done without detaching the lid, though you might not realize that from reading the M1710 service manual.
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post #28 of 464
6/14/06 at 8:39am
Quote:
Originally Posted by Jim Barry
I would definitely give it a go. The panel is actually not too hard to replace. It can be done without detaching the lid, though you might not realize that from reading the M1710 service manual.

Hi Jim, do you have xpx m1710? Do you know if the screen is anywhere near the quality of Sonys x-brite or the Toshiba?

Thanks

N
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post #29 of 464
6/14/06 at 10:21am
Quote:
Originally Posted by Jim Barry
I would definitely give it a go. The panel is actually not too hard to replace. It can be done without detaching the lid, though you might not realize that from reading the M1710 service manual.

Well, now with your msg about your panel having stickers saying it is both models, i'm skeptical that mine is the LTN170U1...I'll take a closer look at it, and look at the service manual to see what's involved. I actually don't mind detaching the lid..that's the easy part (IMHO). Dissecting the panel and bezels and inverter, etc...lots of work it seems! Why don't they have a retrofit assy that contains the LCD and inverter already mounted in a lid? Seems like it would be easier...
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post #30 of 464
6/14/06 at 11:01am
Thread Starter 
Quote:
Originally Posted by nparrett
Hi Jim, do you have xpx m1710? Do you know if the screen is anywhere near the quality of Sonys x-brite or the Toshiba?

Yes, I have an M1710. I'd say the screen is a bit better than the Toshiba M60 I had previously, but nowhere near as good as the Sony X-blacks that I've seen.
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post #31 of 464
6/14/06 at 11:15am
Thread Starter 
Quote:
Originally Posted by lancorp
Well, now with your msg about your panel having stickers saying it is both models, i'm skeptical that mine is the LTN170U1...I'll take a closer look at it, and look at the service manual to see what's involved. I actually don't mind detaching the lid..that's the easy part (IMHO). Dissecting the panel and bezels and inverter, etc...lots of work it seems! Why don't they have a retrofit assy that contains the LCD and inverter already mounted in a lid? Seems like it would be easier...

Yes, please take a look and tell us what the stickers say on yours. Actually the inverter is already attached to the screen in a single assembly. You just need to pop off the hinge cover, undo the screws around the bezel, then remove the bezel (the trickiest bit) and put in the new screen. It took the service engineer about 5 minutes this morning, though he has had quite a bit of practice on my machine
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post #32 of 464
6/14/06 at 12:53pm
Don't forget Jim, that you've had a number of replacements now - you'll soon be in the same situation I was in where 'enough is enough - new machine please', and Dell will readily agree.

My 3155 screen has he following serial LTN170WU-L01/L02 etched into the frame on the front, LTN170U1-L01 on the back label, and the inverter bit (bottom front) has the serial LTN170W-B2 LF

Hope that helps...
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post #33 of 464
6/14/06 at 2:31pm
Thread Starter 
Wow, so both models have "LTN170WU" and "LTN170U1" written on them somewhere! Just to be absolutely clear, you are saying the large label on the rear (the one with the Samsung logo) says LTN170U1? If so, I assume that one is the "real" model number. I can't remember for sure what was etched into the frame and don't really fancy taking my laptop apart to check.

I think I am beginning to understand how this situation has arisen. Dell aren't sending out the wrong screens on purpose, it's just that they're confused by Samsung's completely stupid labelling.
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post #34 of 464
6/14/06 at 2:46pm

Screen comparison

I have an E1705 with the SEC5557 screen and comparing it to a Sony Vaio (VGN-A290) side by side as I write this. Holy cow Batman, the Dell sux ass compared to the Sony. The colors on the Sony are such more vivid and warm, they just seem right as well as the brightness too and no light leakage. The Dell on the other hand with the Samsung screen seems washed out and lacks true color . I don't seem to have much light leakage as some are having however the overall quality to that of the Sony is hands down not even comparable. I sure wish Dell would address this issue and get some better screens. The machine it's self is better than the Sony but damn the screen.
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post #35 of 464
6/14/06 at 3:19pm
Yeah, Jim that's correct- I think the large label on the rear shows the 'true' serial number of our relevant screens, the other numbers may pertain to common elements such as the frame or inverter etc..

gameGuru - bet you wish you hadn't compared those two screens now - I did a while back with my M170 (Samsung sec5557) and my Sony S1 XP w/x-black - no contest.

Really not sure why Dell has crippled these machines with awful screens and poor sound - the creative audigy software just ruins most of my games - pops and clicks in Oblivion, really loud channels in GRAW, static in Tomb raider, and I have here a PCMCIA audigy that I can no longer use due to the switch to Express card slot..
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post #36 of 464
6/14/06 at 3:54pm
its strange i seem to be the only one here with an LPL0000 in my m1710 and man the thing is perfect, no sparkles, no dead pixels, no light leakage.... the thing is perfect.
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post #37 of 464
6/14/06 at 4:17pm
Lucky you - us brits don't get a choice!!
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post #38 of 464
6/14/06 at 4:28pm
yeah that kinda sucks for you, i am comparing the lpl0000 to the sec5557 in my m170 is like a night and day difference. the lpl0000 pwns it to no end, the colours are way more clear and bright....

if there is any way of getting yourself one do it.
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post #39 of 464
6/14/06 at 4:39pm
Quote:
Originally Posted by Fidget
its strange i seem to be the only one here with an LPL0000 in my m1710 and man the thing is perfect, no sparkles, no dead pixels, no light leakage.... the thing is perfect.

That's not true, i have one too and it is also perfect.
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post #40 of 464
6/14/06 at 5:52pm
Thread Starter 
Hmmm, I guess it must be the LP171WU1, as that's the only 17" 1920x1200 notebook screen mentioned on the LG-Philips website. It's only 190 nits though, not as bright as the 260 nits Samsung panel.
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