Solution: HP tx Jumping/Clicking Mouse Cursor

Discussion in 'Hewlett Packard' started by prose, Oct 12, 2008.

  1. prose

    prose Pen Pal - Newbie

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    I suffer an acute case of the ghost-actuated mouse cursor in the system tray (notification area), to the point the computer is completely useless. When I first searched the Web for answers, little was to be found; now, it suddenly seems to be as popular as influenza, heartburn, and ulcers. I've suffered plenty of the latter over this issue, so here's the gist of what I have to say:

    A carefully placed piece of aluminum foil actually resolves the problem. (!)

    Details: When searching for answers a few months ago, the few forum posts I found elsewhere claimed that QC-challenged touchscreens sometimes develop this problem due to electromagnetic interference. I noticed that the screen only had this problem when it was not rotated out of the normal laptop position; rotating the screen by several inches allowed me use of the computer, but blocked the keyboard, necessitating use of an external USB keyboard and rendering my "laptop" non-lappable in practice. I also noticed that the area where the mouse cursor clicks wildly is in the system tray---directly adjacent to the main exhaust fan and, I presume, the processor. (I have not checked the service manual to verify this.)

    So I carefully folded a piece of aluminum foil and placed it so that it lays flat from the hinge to the edge side to side, all the way up to the edge of the keyboard in front, and a few inches up the back of the screen in the rear. This completely resolves the issue, except when the foil slips. It is also a terrible inconvenience which impairs portability and makes my $1400 machine look like a makeshift piece of junk---in other words, it makes it look like an HP. (Can you tell how happy I am with them?)

    Well, at least my hardware no longer gets "Safely Removed" without my involvement. Certainly, it does interfere a tiny bit with my wireless reception. But now I can actually type, surf the Web, and otherwise use the computer. I suppose dealing with HP equipment is a lesson in tradeoffs, after all.

    I have not yet experimented with the exact size the foil needs to be, or whether I can figure out how to permanently secure it. I also have some other hypotheses about potential workarounds, but have not yet tried the same. Real life has a way of soaking up time...

    I have not yet tried sending the machine in question for servicing; but given my experience with HP service and support in the past, I'd almost rather enjoy a root canal than attempt that option.

    In quality terms, at this point, HP is one short rung up in hell from Dell. I'll bet a whole dollar this screen was assembled in China and would poison my dog if I fed it to him.

    If HP solves this one by building in a little shielding (rather than doing the right thing in engineering or QA), they may feel free to PM me for the address where they should send the check.

    I hope this helps someone. I wish I'd had this tip when the problem started, just a few weeks after I bought this scrapheap.

    Prose Eleven
     
  2. Grimnir

    Grimnir Think tank & Designer Senior Member

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    Sorry, but..which TX model are we talking about here? Active or passive digitizer?
     
  3. prose

    prose Pen Pal - Newbie

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    HP tx2000, active digitizer.
     
  4. prose

    prose Pen Pal - Newbie

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    P.S.---I would not express such a level of vitriol toward HP over one such issue in isolation. However, HP has outstanding non-technical issues with me which speak unfavorably to their character as a company; and from the number of complaints regarding this and other defects, they are clearly downright sloppy in engineering and QA. I am therefore less than inclined to be charitable in my view of what are evidently not isolated manufacturing defects.
     
  5. Grimnir

    Grimnir Think tank & Designer Senior Member

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    Prose, lol I don't disagree. The bigger they are, as they say...

    I'm wondering if you can achieve the same fix using a piece of screen mesh, like what you would have outside of your window. If that does fix it, you could cut it, open the TX2000 and place it above the processor. Since its got holes it wont increase the temperature in there...at least Theoretically.
     
  6. kapblp

    kapblp Scribbler - Standard Member

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    Have you even attempted a support call about this? If so do they acknowledge a problem? I was afraid to send my computer in a few months ago and was amazed at the speed at which they solved my problem. It was a simple solution, replace the screen assembly and motherboard. But it took at total of 5 days from mail in to receipt.
     
  7. Carl2000

    Carl2000 Pen Pal - Newbie

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    Thanks for the help... However, the foil would diminish the exterior asthetics of the machine. I guess I'm going to send my Tx in to HP. I don't want my computer to look like I built it myself out of scrap metal (which would actually be cool if I really did). Though it's not, I spent nearly $1400 for this.
     
  8. dgnjusa

    dgnjusa Pen Pal - Newbie

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  9. photon_1

    photon_1 Pen Pal - Newbie

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    I had this problem with the first TX I had. It took me weeks to nail down what was going on and I found foil worked, but I had to wrap just about the whole monitor with it!

    My interactions with HP should not be expressed in public, but I have very little good to say about them. After much debate with "managers" at HP service I got them to send me a TX2500. While this computer "works" I've already had the DVD fail and the HD is giving errors. I don't even use this thing much and it's one of the worst computer products I've ever owned.

    If your pointer is giving you fits...HP will not even consider the possibility that the product is junk. It is not fixable with anything HP is willing to fix and you'll just have to demand that they replace the whole computer.

    Good luck!
     
  10. nevarDeath

    nevarDeath Phone Expert

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    I experienced this problem more acutely running OSX, but happened twice in windows vista. I fixed it by cleaning my trackpad and getting the dried kool-aid (damn cats) out of the little dimples in it.
     
  11. cey

    cey Pen Pal - Newbie

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    Hi. I had the same problem with my mouse (HP tx2000 tablet, with Vista) and I contacted the HP online tech support (they have helped me with many problems--I strongly recommend using them. it's 24/7, online, free help). They had me reinstall the factory driver for the touchpad and I haven't had the problem since. I've had several problems with my computer but they've all been fixed by reinstalling various drivers, and while I shouldn't really have to go through that process to have a working computer, it does usually fix whatever problems I have. These are the steps to reinstall the touchpad driver on a Vista operating system:
    1: Click Start, Type Recovery manager and press Enter. Recovery manager will open.
    2: Click Next.
    3: On the Software Program Re-installation screen select No , and then click Next .
    4: On the Hardware Driver Re-installation screen select Yes , and then click Next .
    5: Click Next .
    6: Select Touchpad driver to reinstall, and then click Next .
    7: The Recovery Manager begins reinstalling the chosen driver. After the driver installation is complete, click Finish to restart the computer.


    Hope this helps! :)
     
  12. Jimgress

    Jimgress Pen Pal - Newbie

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    Though I commend and am glad for all the help these forums have provided I'm ridiculously upset at HP for this. Its an inexcusable design flaw, and would drive any rational being to the brink of homicide.

    So according to what I've read here, calling them will do little, as anything they're willing to replace will not resolve the flaw itself, but some have managed to talk them into sending them the new laptop.

    Is this worth it? Or does the new laptop have the same issue?

    I'm so close to just ebaying this thing and getting a netbook.
     
  13. nevarDeath

    nevarDeath Phone Expert

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    You sir, are a life saver! I work tech support for an extended warranty company. We get calls about HP laptops and when I want to reinstall a driver, there's not always one on their website to have the customers install. I don't trust uninstalling and then doing scan for hardware changes because that's never fixed one. This is a much better method, thank you!!!
     
  14. rjh

    rjh Pen Pal - Newbie

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    The jumping cursor issue has also been common on the early NEC LitePads (same corner of the display, but being a slate the source of interference was behind the screen) - there were two fixes:

    1 - take the thing apart and install an extra layer of shielding (usually a couple of layers of foil and a layer of plastic to insulate it) and/or

    2 - install a software fix that stopped the cursor moving to that corner unless it was dragged there. Maybe the updated driver does something similar.

    Lowering the clock speed also had an effect.

    I believe that HP never intended for the tx to have an active digitiser, because apart from this issue with the jumping cursor there is also an issue with the orientation sensor magnet affecting calibration at the edge of the screen. Neither of these would have mattered for the touchscreen, and maybe their engineering team missed the implications of installing a digitiser.

    HP support have been OK, (I'm on my third tablet); they will probably today replace the display on the third tablet. They acknowledge that there is a problem, and have escalated the issue.

    I don't expect this to fix the problem, though, and I'm extremely annoyed that I've been unable to set up and use a device I bought over 6 weeks ago.

    I'd have to say that (with one exception) support staff have been pretty good personally, but I've spent a huge amount of time on this, and got absolutely no thanks for it.

    But what can you do? Although this device doesn't meet the requirements of the TabletPC label (I'd also argue that an "Entertainment PC" should have more than a VGA port, too) you are getting a pretty grunty beast in a small form factor at a good price. Business-class TabletPCs are at least twice the price of this unit.
     
  15. preckie

    preckie Pen Pal - Newbie

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    The fixes described here don't work for me. The only way to stop the clicking is to twist the lid at a certain angle. Gives me back pains when typing, and I can't exactly reach all the keys on the keyboard completely, but at least I'm more productive this way than trying to battle with a crazy cursor.
     
  16. TX2110us

    TX2110us Pen Pal - Newbie

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    Solved it! I have a TX2110us with windows 7. Although it is a little bit annoying you just have to go to the advanced power settings and put the processor at 90%.
     
  17. notamouse

    notamouse Pen Pal - Newbie

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    I have the same problem but found that a quick (and temporary) fix is to open the n-trig duo sense options in the control panel and recalibrate the touch settings. This fixes the problem until the computer goes to sleep again.

    I don't know if it's the processor causing electromagnetic radiation as the problem seems to be constant with that corner of the screen even if I flip it to slate mode.
     
  18. scott23

    scott23 Pen Pal - Newbie

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    The problem as far as I can tell is related to the sensitivity of the screen digitizer and the electro-static field created by the fan, speakers and processor (and whatever else) being located near the bottom right corner of the screen. This is why when you rotate the screen just a little to the left the problem goes away. The only thing I've found that works is to essentially neutralize the field with something metallic--folks have mentioned foil on other forums, but I find that there is metallic tape (that is generally used to seal off central/heat/air ducts--thus, you can find it at home depot, lowes, ace, etc.) that you can layer (2-3 layers does the trick) on top of the area in the upper right part of the keyboard platform that works! It doesn't look all that great, but the silver tape matches the grey platform and it makes your computer usable. Good luck!
     
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