Revolve 810 G1 Keyboard skips characters when typing

[tonttuz]

Hi all,

Just got a brand new HP Revolve 810 G1 tablet/laptop (12GB memory 256GB SDD). Things are otherwise smooth, but there is extremely annoying problem of keyboard dropping / skipping / losing some of the characters when typing. It appears randomly, not any specific keys or combos. Up till now in this post it has skipped about 10 characters. It doesn't require fast typing, even in the Win 8 start-menu, when searching for an app and then hitting enter to start the app, it might not react on the enter press. This is just an example, letters are missing from anywhere where I type. I type quite fast and know that I am hitting the correct keys. Disabling the touchpad does not help, so it is not that I would accidentally touching it during typing.

I have updated BIOS, restored OS to factory state (HP Full Recovery), switching to English OS localization, installed all Windows Updates - no help.

This makes working a pain, it's not feasible to chat or type document when you have to backspace all the time to fix the mistakes that you did not make.

HP Support Assistant is not finding any more updates, product number is H5F12EA#AK8,WIn 8 Pro 64-bit. I have installed a 8GB SODIMM under the back cover, replacing the included 4GB chip. Will run a memtest overnight.

Anybody seeing the same??

tonttuz

[tonttuz]

Well, connected an Apple bluetooth keyboard to the Revolve (small one without numpad) and the problem is gone, not a single character missed after typing several long lines of text slow and fast. Modifier keys etc, everything works normally. Of course this is not a solution to the original problem, but it's starting to point towards a hardware issue with the built-in keyboard.

[Dragon-Fur]

Welcome to the HP forum, Tonttuz.

If you have adjusted the keyboard speed properties, updated the drivers, and done all the usual, then

• It could be keylogger malware - run a deep scan and make sure you are the only watching what you type
• It could be another program slowing down the system and interfering with your input - check the Task Manager and look for "hogs" -- programs that are running with a high cpu / network / disk consumption and stealing resources.
• It could be hardware - the system is new, but its construction may not be flawless -- Call HP

=====================================================================================

It could be that the drivers, though updated, are not being read from disk - instead they may be tangled in the memory and not being read properly.

You might consider, without any grand hopes of success, applying a Forced Reset:

Forced Reset flushes out the persistant boot-to-boot software and driver instructions from memory and forces the system to go back to the disk to read the software and drivers from the disk Operating System.

Forced Power Reset

Performing a Hard Reset or Forced Reset

The Power Reset cannot tell the difference between drivers - it does not analyze a driver or software program before applying it.  It assumes all the drivers and software on your computer belong there.

This is a Driver Reset; this is NOT the Windows 8 Reset that installs the Operating System.  This procedure does not wipe out your files nor does it destroy your Windows setup in any way.

EXAMPLE:

• If the driver software on disk is incorrect or if the driver software is corrupt, it will still be incorrect or corrupted after the Reset.
• If the driver INSTRUCTIONS are tangled, messed up, or there are bits missing from those instructions, then the Reset may fix the problem.

Why a Power Reset works to fix some issues: 

The Power Reset does not install anything on your computer, the Power / Hard Reset does not remove programs or personal data from your computer, and the Power Reset does not change the settings on your computer.  Your data and programs remain as they were before the reset was applied.  The Reset drains out the old program instructions from the memory and forces the computer go to the on disk Operating System to get new instructions.

Why a Power Reset might Not Work:

If the issue is more than just entanglement, if the "good instructions" on the computer are not good enough -- that is, you need an update, a new driver, or there is a problem that cannot be "untangled", then the Reset will not work.

If there is a hardware problem the Power Reset will not work.

====================================================================================

If you want to contact HP directly, you may use the following:

Contact HP - Worldwide

Contact HP – USA - Phone Assistance

Warranty Required – USA and Canada

USA – Contact HP // Self-Help – Email - Chat

Good Luck!

[tonttuz]

Hi Dragon-Fur,

Thanks a lot for your answer, and for the welcome!

I have done all the updates and settings tweaking with no noticeable difference whatsoever. I have not installed anything on the machine since the HP Recovery Full Restore process, so chance for the malware is pretty slim. However, I now ran the full scan with Windows Defender, no items reported. Further, the fact that a bluetooth keyboard works perfectly, mostly outrules the malware option, unless it is very targeted and running on the specific keyboard HW driver. Anything higher up on the software stack would also have effect on the external/bluetooth keyboards.

Task Manager and CPU hogs - none running, CPU is practically idle.

I'm almost sure it's HW at this point. Now running the HP Diagnostics (from boot menu) in Extensive mode, let's see. Might be that I'll remove the add-on memory to be able to test with minimal configuration (although the memory installation was not so easy on this one and for sure I'd not want to open it all up again!).

Tried also the Forced Reset with battery removed etc. - no change.

I did some 1-finger typing in real slow motion, to be 100% sure not to misspell myself, repeating a single word and even then occasional characters are missed before the first line in notepad is filled.

I'll follow up, but looks like monday morning HP call is in order.

tonttuz

[tonttuz · Accepted solution]

Hello,

Updating the situation -

Nothing helped that I could do, extensive HW tests (including memory) tests executed, user added 8GB SODIMM removed, SIM card removed, battery removed (power switch held), full OS restore done a couple of times (FIN / ENG localizations), HP Support Assistant + Windows Update patches applied, different keyboard + touchpad drivers from product drivers repository downloaded and installed, keyboard and touch settings tweaked and a bunch hopeful thinking applied.

Called HP and this less than a week old laptop will now be replaced with a new one. Few more days wasted, hopefully it'll work at least!

tonttuz

[Dragon-Fur]

Tonttuz,

I am sorry the fix has been painful -- a few machines are just not ready for the customer, even if they pass all the tests and are given that "clean bill of health" by the inspectors.  I know how frustrating it can be to finally get a new system and not have it be perfect.

I hope the next system works as expected!

Good Luck!

[RDRodgers]

My relatively new HP Envy desktop has started skipping keys while typing.  Thought it was a keyboard issue but switched and no change, changed USP port and still no difference.  Just now as I started to type my next sentence, the cursor went away and no keystroke would work.  I had to reposition it with the mouse. Usually, I type a letter and no character shows up at all.

[Dunidar]

Hello RDRodgers,

Welcome to the HP Forums, I hope you enjoy your experience!

I would encourage you to post your product number for your computer. I am linking an HP Support document below that will show you how to find your product number. As well, if you could indicate which operating system you are using. And whether your operating system is 32-bit or 64-bit as with this and the product number we can provide you with accurate information.

How Do I Find My Model Number or Product Number?

http://support.hp.com/us-en/document/c00033108

Which Windows operating system am I running?

http://windows.microsoft.com/en-CA/windows/which-operating-system

Is the Windows Version on My Computer 32-bit or 64-bit?

http://support.hp.com/us-en/document/c02033168

I would like to thank you for posting on the HP Forums. Have a great day!

[HMJ5]

I have this annoying problem too.

For a while I thought I was becoming dyslexic. Judging by the forums HPS has no clue what is wrong. am also losing my reputation with emails.

I have one more things to add. when cahacters are lost, the window in question losses focus.

My m/c details:

HP ENVY 17 Leap Motion SE NV PC - Product no: F1J39AV

Windows 8.1 Pro with Media center 64 bit

16 GB

NVIDIA GeFOrce 750M and INTEL HD Graphics 4600

Hard drive: Crucial_CT960M500SSD1