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ASUS Laptop Screen Upgrade

post #1 of 7
Thread Starter 
Hello,

My son accidentally cracked his LCD laptop display and I have been researching how to replace it. I don't have a problem with making the replacement myself, but after I took the screen out, I noticed that it was a 1600x900 res screen, and we were expecting to find a 1920x1080 res screen instead. Now (of course) my son wants a 1920x1080 res screen upgrade.

My research shows that a screen upgrade is not as simple as just replacing the screen with another screen that is the same size. Apparently, you must also take into account whether the graphics card and video cable will support the upgrade as well. As best as I can tell, the current graphics card is sufficient, but I’m not so sure about the video cable.

I have read that it possibly takes different cables to support a 1920x1080 screen vs. a 1600x900 screen. I have also been told that a FHD screen uses a dual channel cable, but a HD+ screen uses a single channel cable. I’m not sure what kind of cable I have, especially when it comes to channels. The only thing I know for sure, is that the current cable did work with the 1600x900 screen.

I have chatted with ASUS tech support, and they asked me for the SN of this machine. Strangely enough, it looks like the SN has been removed! This laptop was bought as a refurb from NewEgg.com, so I’m not sure what has been done to it. Unfortunately, my son has lost the invoice, and we have thrown away the box the laptop came in. So the tech was not able to determine the screen that this machine originally came with and the other specs.

Are you able to determine, based off of the info that I have provided below, if we would be able to successfully upgrade from the current screen to the desired one?

Laptop:
ASUS G74S
SN: ??

Video Cable:
ASUS G74 LVDS Cable
1414-05PR000
MEC (HT) 2011/06/20 A5
There's also a barcode with the following #: 1414-05PR000162001002985

Graphics Card:
NVIDIA® GeForce® GTX 560M 3GB

Current (Broken) Screen:
Screen Size: 17.3", Screen Finish: Glossy
Resolution: 1600 x 900 WXGA++
Backlight: LED, Lamp: DIODE
Connector: 40 pins, Location: Bottom Left

Desired Screen:
Size: 17.3-inch WideScreen (15.5"x8.98")
Resolution: WUXGA (1920x1080) Full HD
Type: Glossy
Backlight type: LED
Video signal connector: 40 pin LED socket

Thank you.
Edited by Inquisitive68 - 11/19/13 at 9:09pm
post #2 of 7
As an ex-tech who used to face this issue all the time, I can tell you that most of the ASUS laptops are made to be plug and play.

We use to order our screens from screen country. Doing a quick search on your model came up with plenty of screens to choose from.
Just match the model, and screen country will display all lcd compatible with it.

Rarely had I ordered something from there that didn't work.

If you wanted the exact same screen again, it's as simple as finding the lcd model number on the back of it, and searching the site for it.
They look something like (LTN1250(L1)(T0)) (this is just an example)

Here is a link of all LCD's compatible with G74SX
http://www.screencountry.com/index.php?section=products&model=G74SX&brand=ASUS

Here's a list of all G74S Models, for you to pick and match.
http://www.screencountry.com/index.php?section=search&search_text=g74s

As for having a dual LCD cable, I have never seen that in all the laptops I've serviced. The only ones that uses two cables are the old cathode LCDs and that's still one cable for the LCD, one cable for the inverter.
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post #3 of 7
Thread Starter 
Thank you for the reply.

I looked at the links you provided for screencountry.com and it looks like there are 59 different results. So yes, that's quite a few! I realize that the G74S is also called the G74SX. However, I notice that there is a dash and then more letters designating the specific model. Unfortunately, this laptop doesn't seem to be identified with much more than "G74S". I cannot find a SN or even an extended model number. sadsmiley.gif


I have attached pics of the labels (or at least have attempted to smile.gif) for your review. (I blacked out the activation code for the Windows 7 copy that is in the pic)

Are any of these extended models okay to compare to what I have?

Thanks.

IMAG0072.jpg 943k .jpg file IMAG0071.jpg 1105k .jpg file
post #4 of 7
Sorry about the late reply. I pretty much passed out once I posted my last reply.

It's weird, exactly where the label should be that tells you the exact model number is missing. I suspect whomever refurbished it removed it so you can't price match to a brand new model.

Anyways, screen country does a very good job at maintaining their records of which of their screens is compatible with which laptop models.
So just choose which screen you want, and place the order.
http://www.screencountry.com/index.php?section=products&model=G74SX&brand=ASUS

By the odd chance that the screen you receive does not work, open a ticket with them and inform that the lcd they sent is not compatible with that laptop, and they will send you a shipping label to ship it back to them, and they will have it sorted out for you.
It is because of this reason I recommend them, besides their very competitive prices.

Phil
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post #5 of 7
Thread Starter 
Hello, no problem on the late post. I appreciate you taking the time to help!

Believe it or not, since my last post, I have located the full Model #, and the S/N, as well as the purchase invoice for this machine! smile.gif my son has his own newegg.com acct he had forgotten about and the full model # and S/N were actually on the battery! I confirmed that this was the proper S/N with ASUS directly via chat. They stated that this was actually one of the 4 places that ASUS puts their S/N on a machine. (The other being the typical label you would expect to see, the box, and the warranty card -- none of which I had).

The identifying info is:
ASUS G74SX-TH71 Laptop
S/N: B8N0AS523277344

Anyway, ASUS recommends against screen upgrades and would not assist me with that. So I'm on my own again. Now that I have more info, I will see if I can work with screen country to confirm about the video cable. (Sorry I'm being so paranoid about the video cable. I just keep getting conflicting info. frown.gif)

Any more advice, now that I have provided the full model and S/N?

Thank you.
post #6 of 7
HI Inquisitive68,

Your HD+ cable will drive FHD screen no problem:
Single channel LVDS can only drive up to 1366x768 (1280x800).
Anything higher requires dual channel so you are set for a straight plug n play.

This is the screen that you should get for best results:
http://www.screencountry.com/index.php?section=products&part_number=B173HW01%20V.4

Good luck,
Let us know how it goes.

P.S. you can post a video of you doing the replacement with a link to SC and they will refund you some money.
post #7 of 7
Thread Starter 
I ordered the 1920x1080 res screen and installed it. After an automatic prompt for driver upgrades, it operates perfectly and my son is well-pleased! smile.gif

Both the graphics card and video cable were compatible. Thank you to LSB and tsukai for the info and assurance!
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