Some keys as ENTER, SPACE and BACKSPACE type characters

Some keys as ENTER, SPACE and BACKSPACE are not working properly in my HP Pavilion dm4 1055br. When pressing one of these keys type two or three characters ( ): ENTER (lçj), SPACE (.;M), BACKSPACE (~h). This latter at the same time turn off the F11 key (sound). The light of wireless key (F12) does not turn on. When turn off the F12 key, all the keys mentioned work well.

Dear Customer, Welcome and Thank you for posting your query on HP Support Forum It looks like you are having issues with the Keyboard on your Notebook.We will surely assist you with this. Troubleshooting: Step 01. Click on the Start Button and go to Control PanelStep 02. Open the Device Manager and expand the Keyboard from the listStep 03. Right click on Standard PS/2 Keyboard and click on UninstallNote: This driver will get installed again automatically on your NotebookStep 04. Please turn OFF the NotebookStep 05. Un-plug the Power/AC Adapter and also remove the Battery tooStep 06. Press and Hold the Power Button of the Notebook for a full minuteStep 07. Now let's re-insert the battery back in and plug back the Power/AC AdapterStep 08. Start the Notebook and keep tapping F10 Key during the startup to access the BIOSStep 09. Once you get to the BIOS, Please press F9 or F5 Key[Model specific] to load setup defaults for the BIOSStep 10. Use the arrow keys to say "YES" and hit enterStep 11. Now let's press Esc/Escape Key. Save Changes and Exit - YesStep 11. Now please wait till the Unit loads the Windows Operating system If the issue still persists please check and verify if an External Keyboard works fine with your Notebook Note: Please click on the below shown link to find more troubleshooting stepshttp://h10025.www1.hp.com/ewfrf/wc/document?docname=c03738933&tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=5442782 You also need to download and install the BIOS driver first and then Chipset driver followed by Graphics driver from the HP Website
Note: Please follow this order only while installing the driver - BIOS, Chipset and then Graphics Hope this helps, for any further queries reply to the post and feel free to join us again **Click the White Thumbs Up Button on the right to say Thanks**Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem. Thank You,K N R KAlthough I am an HP employee, I am speaking for myself and not for HP

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Hello Momma4952
Welcome to the HP Forums!
I understand that some keys on your computer keyboard have stopped working. I will do my best to help you out! First, please provide the following information:
1. The computer's model number. If you require assistance locating this information, please reference this website: Guide to finding your product number
2. The computer's operating system. If you require assistance locating this information, please reference this website to determine your Windows operating system.
3. Have you installed any new hardware on this computer, before the issue appeared?
4. Have you installed any new software or drivers on this computer, before the issue appeared?
I would also like you to attempt the following test: Connect an external keyboard to the computer and see if the keys on that keyboard work. If the keys do not work, then we are absolutely certain there is a software/driver conflict. Otherwise, there is the potential of a hardware failure.
Thanks for posting on the HP Forums. Have a great day!
Mario
I worked on behalf of HP.

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Hello,
This is a problem that occurs with all razer blade notebooks when running linux (does not occur in Windows 8); some keys get randomly ignored when you type at your normal speed, and it is very frustating especially when typing passwords or programming. At the moment we have to type very slowly in order to get all keystrokes caught. The keyboard has antighosting technology, maybe that info is useful.
This is the further we went in this post:
https://bbs.archlinux.org/viewtopic.php?id=161634
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Bus 001 Device 003: ID 1532:0116 Razer USA, Ltd
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1532 Razer USA, Ltd
idProduct 0x0116
bcdDevice 1.00
iManufacturer 1
iProduct 2
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 123
bNumInterfaces 4
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 75
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 8
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 0 (Defined at Interface level)
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 8
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 1 Keyboard
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.11
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 159
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 8
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bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
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bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 1 Keyboard
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bDescriptorType 33
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bCountryCode 0 Not supported
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Report Descriptors:
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bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 8
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 240
bInterfaceProtocol 0
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bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
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Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Does anyone know, based on their experience, what could be the cause of the keyboard malfunction?
Does this type of error occur for some other notebooks too?
It would be great if someone could point me in the right direction for where to look.
Last edited by labotsirc (2013-08-31 17:27:38)

Jeroen)Mathon wrote:
A lot of people i know that are running arch with a Razorblade keyboard are seeming to be having a lot of problems.
Did the same happened to another keyboard like an (HP,Dell,Logitech,etc).
For all i know (Not a lot) I'm thinking it might have something to do with your usb?(Worst answer ever!)
Did you try a different port.
Please let me know if this worked .
On the side(What kernel version are you running?)
Hi. Well in this case the problem is with the Razer Blade Laptop's keyboard, therefore i cannot choose another port. You gave me an idea however, i will try to get any usb keyboard, plug it into the razer blade and make sure it works so that i can discard any major problem.

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