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Keyboard freeze - Acer Aspire 4235 4240 4535 4535G 4540 4540G 4740 4740G 4745 4745G 4820TG 5536 5536G 5541 (759465006910) AC Adapter

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Your Acer Keyboard freezes. Explain the circumstances that occur before the problem begins.

Posted on Jan 04, 2014

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Posted on Jan 02, 2017

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Keyboard is no longer working on the HP laptop and also the laptop 'freezes'


If your laptop freezes and the keyboard is not working, you most likely have a defective keyboard.

Before replaceing the keyboard, check all your usb ports for broken or bent pins on the laptop

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Dell dimension 2400 freezes up shortly after boot. I replaced cooling fan but error log shows keyboard failure.


if you see lights get on Keyboard.. your motherboard is fine.. else it is your Keyboard or Super I/o Chip that is not working..

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Toshiba laptop keyboard keeps freezing up


Plug in a USB mouse and keyboard if the problem continues, then it's a bad install or bad motherboard. If the external keyboard is fine, then it's usually a palm rest or keyboard connection problem. If this model has a nub button in the center of the keyboard, these are often problematic and can be easily removed.

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As I remember it, the EX 100 was plug and play on my XP PC. The batteries are NOT a problem - as they check OK. I periodically have both mouse and keyboard FREEZE After restarting XP computer everything...


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Mar 08, 2011 | Logitech Cordless EX 100 Mouse

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Computer freezes everytime I press a key on my keyboard


unplug and replug the keyboard
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Mar 07, 2010 | HP CPQ175KB Keyboard

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Can't access laptop computer in safe mode, keyboard freeze up


Try booting your system from a LIVE cd like linux, a verson of Hiren's tools, or the UBCD (ultimate boot disc for windows). If your keyboard still freezes with the alternate OS, you may have a hardware malfunction.

Jan 18, 2010 | Compaq Computers & Internet

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Medion keyboard keeps freezing


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Computer Freezes unless pressure applied


With the laptop turned off, take out the hard drive completely from the laptop and then reseat it back into its slot and make sure its nice and snug.

Then go ahead and turn it on and see it will run without freezing on you and having to apply pressure on the keyboard.

If that doesn't work then disconnect the keyboard and see if it will run smoothly without the keyboard. If it does then you might have a stuck key on the keyboard that is making the unit freeze so you might have to replace the keyboard.






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1 Answer

Keyboard Problems


This is the common fault with usb keyboard and mice, on certain motherboards, as the driver has to load first on the system on boot up but tends to to load later, than the bios recognising your keyboard, making the sytem freeze as it tends to look for the keyboard first. There is no real solution to this as it is all down to what is called interupt request (IRQ). If your keyboard is set by windows as IRQ2, then it is the second peice of hardware to be started, so ideally it needs be IRQ1 to startup first. Experiment using different usb ports as one may have the IRQ1 and not cause the freeze. Sorry this is a bit technical but, theres no easy way to explain.

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