[Q] TF700T no screen

asus_boy · Feb 9, 2014

Hi there,

My tablet wouldn't turned on, but now, It is turning on but the screen is not working. The tablet itself is working, sounds, wifi, even Touch screen.
But the screen, is just a gray screen with a minimum brightness.

Anything guys?

berndblb · Feb 9, 2014

Looks like a dead digitizer to me..... I had to return a 5 day old TF701 and it looked just like your picture there. If you can return and exchange it with your seller, do that. If that is no option and you still have warranty fill out an RMA at Asus and send it in.
You should get all your files off the tablet and Factory Reset it before you do so. MTP should still be working, so you can use your PC to copy everything over.
Another option is to use Asus Backup to back up your stuff and restore it to the new or repaired tablet. You would have to connect the tablet via HDMI cable to a TV for anything you do on the tablet and believe me: It's a PIA to hunt and peck for just the right spot to touch on the tablet's screen while looking at the TV.... But with some persistence a high tolerance for frustration it can be done.

asus_boy · Feb 9, 2014

Thank You Berndblb

I backed up all the files, and the warranty is finished. The service here told me they don't have extra motherboard in their warehouse.

I don't know what to do. I can't let this alone.

berndblb · Feb 9, 2014

You don't need a motherboard - just a digitizer.
You could try to find one on ebay from someone selling TF700 parts.
You find tear down instructions and videos on ifixit.com. Also search YouTube for instruction videos. Check them out and decide if you think you can do it yourself. Or you have to find someone to do it for you.
Asus will do it, but that is going to cost a pretty penny.....

_that · Feb 9, 2014

berndblb said:
You don't need a motherboard - just a digitizer.

The digitizer is the touch screen. If there is no picture, something else is broken.

asus_boy · Feb 9, 2014

Thanks guys, I can do it, I can open the tablet and do the stuff.

I don't know digitizer, and as I said, the touch screen is working and fully responsive. The only thing is the screen which shows nothing but a high brightness page.

vt220 · Feb 9, 2014

It might just be that one of the ribbon cable connections has come loose.

Sent from my ASUS Transformer Pad TF700T using Tapatalk

asus_boy · Feb 10, 2014

vt220 said:
It might just be that one of the ribbon cable connections has come loose.

Sent from my ASUS Transformer Pad TF700T using Tapatalk

No, I checked the ribbons myself. They are all correct.

flhthemi · Feb 10, 2014

If you need to see the tablet's desktop you can connect it to an HDMI input on a TV. This might also indicate if it is a motherboard or GPU or other problem if the TV won't display the video signal.

asus_boy · Feb 10, 2014

flhthemi said:
If you need to see the tablet's desktop you can connect it to an HDMI input on a TV. This might also indicate if it is a motherboard or GPU or other problem if the TV won't display the video signal.

Thanks!

If the TV won't display the output, so the problem is not the motherboard right?

flhthemi · Feb 11, 2014

asus_boy said:
Thanks!

If the TV won't display the output, so the problem is not the motherboard right?

Your statement confuses me....might be a translation?

If the TF700 is connected to the TV with a proper HDMI cable and you do not see anything (make sure the TV has the correct HDMI input selected with your remote) then I would say there are "other" video related problems.

Did you connect HDMI? Did the video show on the TV screen?

asus_boy · Feb 11, 2014

flhthemi said:
Your statement confuses me....might be a translation?

If the TF700 is connected to the TV with a proper HDMI cable and you do not see anything (make sure the TV has the correct HDMI input selected with your remote) then I would say there are "other" video related problems.

Did you connect HDMI? Did the video show on the TV screen?

Well, I got it,

Not yet, I should find the cable and the TV.

Thanks

asus_boy · Feb 23, 2014

UPDATE

Guys,
When I connect the Tablet to TV via HDMI, it shows on the TV.

So the problem is the Digitizer? What should I do?

sbdags · Feb 23, 2014

asus_boy said:
Guys,
When I connect the Tablet to TV via HDMI, it shows on the TV.

So the problem is the Digitizer? What should I do?

Check if the ribbon cable to the screen has come loose? (If you haven't done so already). Will require you to pop the back off carefully. See you tube vids for TF700 tear down.

asus_boy · Feb 23, 2014

Thank you so much, but I done that before, they are fine. Anything else?

sbdags · Feb 23, 2014

asus_boy said:
Thank you so much, but I done that before, they are fine. Anything else?

Sorry sounds like a hardware failure then.

graphdarnell · Feb 25, 2014

asus_boy said:
Thank you so much, but I done that before, they are fine. Anything else?

(1) The lcd (display) is bad. (2) If you can still see the display (icons and stuff) in a dark room with a flashlight shining on it, the backlight is bad. In the former scenario, the lcd is around 80 USD on Ebay; in the latter, you might be lucky to find a cracked lcd display for cheap. Buy it and disassemble the thing. Salvage the backlight strip and the back frame and pop your lcd into it. Should work. Just be very careful with taking it apart. Find some detailed instructions on how to do it, like HERE. I've done it with the TF300T, busted cables on 2 of them. Cost some bucks, needless to say, but worthwhile nevertheless.

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