Question about HP Pavilion tx2500z Tablet PC
So here is my problem... After I put on the computer, everything turns on except for the screen which is blank (black screen). I have given it to HP the first time for repair and after they repaired it and sent it to me after 3 weeks, they mentioned that they replaced the system board, re-imaged the hard drive and replaced the heat sink and cooling fan. It worked fine for 4 days before the problem crept up again. After about 7 hours on the phone with tech support, they finally decided to take the computer back again for repair. I wanted to know if anyone elese has experienced the same problem and if so, what has been or could be done to rectify the problem? (It has been just 4 months since I got the tx2500z tablet pc) Any help or advice is greatly appreciated. Thanks !
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Posted on Jan 02, 2017
SOURCE: chequered screen
I have a tc1100 with the exact same issue. The problem I noticed, also, that when attached to the keyboard and in the upright position I could get clean boot (sometimes) by flexing the tablet a bit.
I discovered when I disassembled the unit the bracket assembly that connects and releases the keyboard from the slate was the culprit.
When I removed that and lifted the motherboard a bit it booted fine ... when I replaced the assembly, the checkered screen appeared again. I again removed the bracket and got it to boot fine. Apparently, it was pressing the motherboard against the frame and shorting out the video card.
Posted on Dec 09, 2008
The first step would be to make sure the computer is off, unplug any and all devices from the system, as well as the power cord, then flip the computer over, and remove the battery. With all devices and power sources removed, flip the computer back over, and hold the power button in the on position for approximately 20 seconds (this is what's called a "power reset"). After that has finished, plug only the power adapter into the computer (leave the battery unplugged) and attempt to turn the computer on this way. If this works, then it may be either the battery or one of the devices plugged into the computer that may be causing the problem. If this doesn't resolve it, then the other step that you can take is to try removing the RAM, Hard Drive and Wireless LAN cards inside each of the panels at the bottom of the unit (you will need to have a #0 or #1 philips screwdriver handy to remove the protective panels). Also make sure that you are in a clean environment when handling these parts by hand, as static electrivity can damage the parts and void your warranty, if you have one. Always make sure that you are grounding yourself somehow when handling these parts (usually touching a metal panel inside the computer will discharge any electricity in your body without damaging components, just don't touch an actual component). If you can remove all of the internal workings of the laptop, again, plug only the ac power in, and try turning on the computer. If it works, the computer should begin emitting long beeps, which denotes a "No RAM installed" error. If it doesn't resolve the issue and you don't hear long beeps, then you have a motherboard failure, and should seek the assistance of an authorized HP repair center (most likely through your place of purchase, or by calling HP directly at 1-800-HP INVENT). If you hear the long beeps though, insert one of your sticks of RAM, and again, turn the computer on with just the power adapter. If you see the HP splash logo on your screen, then chances are it's the other stick of RAM that has failed, and you will need to get it replaced. If it doesn't resolve the issue, then switch the sticks of RAM and try again. The idea here is to try and isolate the fault to a single part, and replace that one part. If you are not familiar or comfortable in removing these components, please seek the assistance of a certified technical specialist from one of your local computer stores.
Posted on May 06, 2009
also check the compaQ menu that is the hardware toggle to turn wireless on and off. there is no function keys like most laptops.
near where the power button is there is a button labeled Q. which will bring up a settings menu like an on scree display and that is where you toggle wireless hardware support on or off
Posted on Sep 12, 2009
the same thing happened to mine, and i thought i was out a laptop because i couldnt afford the repairs. after it had been sitting a while i figured i had nothing to lose by operating on it. i followed the hp service manual to remove the display panel, then took that apart. the screws are trickily hidden behind rubber stickers that blend into the plastic. i removed the frame, lifted the plastic cover, then carefully removed the broken glass pieces. i thought i was compromising the tablet pc features when i tore the glued perimeter of the glass. i figured a regular laptop was better than no laptop. be careful not to tear the tab attached to the copper piece on the side of the screen. also be gentle with the lcd screen. when i put it back together, i was amazed, but the touchscreen was still intact - it must be a component behind the lcd screen. i plan on replacing the glass with plexiglass to prevent another mishap, but i thought id share that this problem can be solved free of charge in just a few careful hours. good luck!
Posted on Jul 26, 2010
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