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ThinkPad A485: Windows+Shift+RightArrow not working

Q: ThinkPad A485: Windows+Shift+RightArrow not working

Who can confirm that the key combination Windows+Shift+RightArrow does not send any keypress event to the operation system?

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RELEVANCY SCORE 200
Preferred Solution: ThinkPad A485: Windows+Shift+RightArrow not working

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RELEVANCY SCORE 77.6

Hi, I am pretty new to this forum so I'm not sure whether I'm correct here, I just hope it is.My device is a Thinkpad A485 with the Ryzen Pro 2500U.I am using Linux (Debian to be precise) on this machine btw, to defuse some confusion that could come up, using the mainline kernel 5.1.0-rc2+ (master from torvalds master branch), but these issues are also occuring on the kernel supplied by Debian which is 4.19.0-4-amd64. The issue in detail I am experiencing is:When I cold boot the laptop without a USB device attached, the USB ports won't give any power until the power supply is plugged into one of the USB-C Ports. When I connect a USB device to one of the USB ports, it doesn't do anything, until I plug in the power supply, but when removing the power supply again, the device remains powered. This is not happening, when the USB device is plugged in while the device is turned off or while it is in the bootup process. Also ethernet seems to be affected by this as the same issue is occuring with the ethernet port on the right side.Is this a know issue? I did not test this on Windows 10 though.I doubt that this is a hardware issue as the devices keep getting powered when the power supply is removed until I plug them out.I wonder whether other people also have this problem.

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RELEVANCY SCORE 76.4

I've had my TPY for a little over a year without any issues, but today I lost the ability to use the following keys: Backspace, Windows, Left-Shift, T, Y, Tab, Capslock, [, ]  in addition to some of the function keys. Using the onscreen keybaord or an external usb keyboard works just fine. I am unable to use the tab key at the BIOS screen, so it appears to be a hardware issue. This seems to be a common problem for these keys in particular for various Lenovo models and even some Dells. I have tried reinstalling the keyboard drivers as suggested in other posts, and I have tried reseating the keyboard connection according to this video: https://www.youtube.com/watch?v=PxHKvpI8Wvc I bought this unit from the MS store with only a 1 year warranty (which is now up), so I'm not sure what to do. I can try replacing the keyboard but it appears others have had only limited success with replacement. Has anyone else dealt with this problem?













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A:Thinkpad Yoga - Backspace, Windows, Shift, T, Y, Tab, [, ], Capslock keys not working

Update for anyone else who runs into the same problem: I ordered a replacement keyboard off of eBay and used the online hardware replacement manuals to take apart my TPY and switch out the keyboard. Everything is working like normal again!

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RELEVANCY SCORE 68

On my Thinkpad Yoga S1, the keys t, y, backspace, enter, caplock, and left shift are suddenly not working. This seems to be a common problem on lenovo computers, but the lenovo forum administrator closed the only thread that attempted to address this without any solution. The lenovo admin said that too many diferent models were involved. I don't understand why these exact specific keys are affected on so many Lenovo models. Lenovo has no solution, and will not support a thread to work towards one. The Microsoft store already replaced my keyboard under warrenty over a year ago, but the YTP S1 is now out of warrenty. This does not seem to be a hardware problem given the relatively recent Keyboard replacement. Does anyone have any suggestions? I wont buy another Lenovo if this problem cant be solved. I've had tremndous problems with this computer and have found Lenovo to be unhelpful/unresponsive. This was an expensive computer when it was purchased.

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RELEVANCY SCORE 64.4

HI, Im looking for getting a lenovo thinkpad A485 in this shopping season, but have been noticing iposts on ssues with the bios and cpu throttling hindering the performance of the laptop. Im not a power user by all means for now, just looking for replacement laptop with much better battery life, but would like to be assure that these issues will see a decent fix for it. 1. So far has the situation improved in any significant way?2. Is there any other way to get around the issue?3. Any other common problems i should be aware of? Thanks.

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RELEVANCY SCORE 64.4

Hi, It seems that this latest BIOS version (1.02) is causing a few different performance issues for the ThinkPad A485. Once obtaining my A485 I ran some synthetic benchmarks to judge CPU performance. After updating to the latest BIOS, I have noticed a decrease in performance on the order of about 10%. It seems that this BIOS update has allowed the CPU to exhibit more stable performance and CPU throttling behavior under constant load, e.g. as seen in the updates to this article: https://www.notebookcheck.net/Lenovo-ThinkPad-A485-Ryzen-5-Pro-Laptop-Review.334528.0.html but at the cost of some overall performance. Adding to this, after having owned a ThinkPad A485 with a Ryzen 5 2500u and one with a Ryzen 7 2700u, it seems as though Lenovo's power management is aggressively holding back the Vega 10 GPU in the Ryzen 7 2700u, as opposed to the Vega 8 GPU in the Ryzen 5 2500u. Previously, in CineBench R15 (https://www.maxon.net/en/products/cinebench/) benchmarks, my A485 with the 2500u would achieve ~37fps during testing, while hardware monitoring software would show that the GPU was achieving a clock speed of about 800mhz. With my new A485 that has the Vega 10 GPU, it is impossible to achieve more than ~25fps under the same test and testing conditions and the hardware monitoring software shows that the GPU can not reach a clock speed higher than what I believe to be the near-base clock of 400mhz. With both laptops, this testing was performed with the Windows po... Read more

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RELEVANCY SCORE 63.6

Linux may be unsupported, so I just want to hear from other users: Are you able to use the Bluetooth on the Realtek R8822be in this Laptop under Linux? If so, under what kernel?

A:Thinkpad A485 - Bluetooth not turning on (Linux)

It is working for Antergos 4.18.* Kernel. Did you turn it on with FN+F10?

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RELEVANCY SCORE 63.6

I just updated the Bios on my machine hoping for the performance to start going further to becoming at least on par with the E485/E585, but to my horror, it now throttles even worse! What used to be a stable 2.5Ghz on the CPU during a Cinebench run on high performance mode, resulting in an underwhelming but acceptable 530-560cb is now 2.0Ghz! This barely puts it in the 450-480cb range, which is almost as bad as quiet mode on the previous bios. This is completely unacceptable. If the E485/E585 can get 600cb consistently, so can the A485. The cooling isn't the problem, just stop limitting the laptop and let it get a little louder/hotter so we can get the performance we have been advertised! 70 degrees is _not_ a suitable temp limit in high performance mode.Please try and fix this. This could be the best Ryzen laptop around, but right now, you're just a fool for buying this over the E485. Here's a look at my findings https://imgur.com/a/qXJS2Bs

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RELEVANCY SCORE 63.6

Can we please have confirmation that the A485 will be supported for BIOS updates via Linux Vendor Firmware Service (LVFS)?According to the website https://fwupd.org/lvfs/devicelist I can see that fairly new Thinkpads like the P52/P72 are already supported. I do not mind waiting (within reasonable time frame) for Lenovo to fix the BIOS issues but at least I would like to be able to update my system without relying on Windows. Can we please have an update on anything revolving this machine? Is LVFS support coming or not? Is a BIOS update planned fairly soon so that I can stick with Windows for a bit longer? Please shed some light on the situation. A simple yes is coming or no is not will suffice so that we can all move on... Thank you.

A:Lenovo, please add LVFS compatibility for Thinkpad A485

Hi,
 
I can't answer your immediate question, but I'm posting to make sure you know there's a way to get there. Perhaps you're already aware but others may not be...
 
It still requires Windows, but that could be in a VM if you don't have a Win box handy.  The Windows update exe includes a tool to make a bootable flash drive.  Instructions in the readme.
 
https://download.lenovo.com/pccbbs/mobiles/r0wuj37w.exe
 
https://download.lenovo.com/pccbbs/mobiles/r0wuj37w.txt
 
I realize it's not ideal but at least it's possible.
 
Z.

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RELEVANCY SCORE 63.6

Hi, The ThinkPad A485 currently suffers from the same issue as the E485, where if typing on the keyboard quickly, jumbles up the letters. This appears to be a firmware bug as I have tested in in Windows and Linux, and yet it persists. https://forums.lenovo.com/t5/ThinkPad-11e-Windows-13-E-and/E485-strangely-unresponsive-keyboard/td-p... Could I please also have confirmation that the A485 will be supported for BIOS updates via LVFS (fwupd.org)? If you need any more information please ping me. Cheers

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RELEVANCY SCORE 63.6

System is occassionally very slow in responding to clicks.  Program selected from start menu takes upto a minute to launch.  Other examples are Moving emails within thunderbird, launching acrobat when an attachment is clicked.Not sure whats holidng the system as its brand new and is not short or resources 

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RELEVANCY SCORE 63.6

System is occassionally very slow in responding to clicks.  Program selected from start menu takes upto a minute to launch.  Other examples are Moving emails within thunderbird, launching acrobat when an attachment is clicked.Not sure whats holidng the system as its brand new and is not short or resources 

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RELEVANCY SCORE 63.6

I noticed and issue with the ThinkPad A485 (AMD Ryzen) and DisplayPort audio. If using either the Lenovo Pro dock or the Lenovo USB-C dock, I'm unable to get sound to come through my Acer B247Y 24" monitors using a DisplayPort to DisplayPort cable. The monitors have built-in speakers. It seems Windows 10 thinks it's sending the audio through to the monitors, but nothing comes out. Connecting the HDMI port on the side of the A485 to HDMI on the monitor will produce sound. Using a DisplayPort to female HDMI adapter from the back of either docking station and then connecting an HDMI cable to the adapter and then to HDMI on the monitor will also produce sound. There are no settings on the monitor that seem to do anything for it. I can select the Acer AMD High Definition Audio source in Sound Properties and the little equalizer meter moves when you right-click "Test sound", just no audio comes out using DisplayPort to DisplayPort. I'm not sure if this is an issue with USB-C and DP Alt-Mode which the A485 uses for either the Pro dock or USB-C dock. This does not seem to be an issue with an Intel-based machines using USB-C/Thunderbolt 3 or just Intel and DisplayPort audio. Other testing I've done.1. DisplayPort to DisplayPort does produce sound through the Acer monitor with the Pro dock and the Lenovo Thunderbolt 3 dock using a ThinkPad T480. DisplayPort to HDMI will also produce sound.2. DisplayPort to DisplayPort does produce sound through the Acer mo... Read more

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RELEVANCY SCORE 62.8

I'm loving my new A485 but I have 2 issues that I'm unanble to solve. First:Silent/Perfomance toggle is only showing up sometimes? There is this little speedometer in the taskbar that is either bleu or orange depending on your silent or performance setting. But often this toggle is missing from my taskbar after a sleep / hibernation or full restart. I tried almost everything to figure out what could trigger this issue but I haven't really figured out what it could be... All software is up to date and I'm running Win 10 1809   Second:Installing a second SSD in the wwan port (m.2 2242)Is this even possible? I inserted a new M.2 2242 SATA SSD with 512GB but it does not show up anywhere in the Disk manager or in MS dos (diskpart).  A little help would be welcome for this new Thinkpad user      





Woodworker with an affection for pixels.

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RELEVANCY SCORE 62.8

I have an A485 with the ultra docking station using ubuntu 18.04 and 18.10. Whenever I undock the laptop, the USB ports stop working completely. Docking or undocking does not help afterwords. Removing the USB and reattaching does not work. Adding a USB after the undock does not work. It's like the USB ports don't even exist. The only thing that makes the USB ports work again is restarting. I have upgraded the dock firmware, BIOS firmware and upgraded the kernel to the latest version to no avail. Anyone have this issue or know of any fix? Thanks!

A:A485 and Thinkpad Ultra Docking station USB issue

 Whenever I undock the laptop, the USB ports stop working completely. Docking or undocking does not help afterwords. Removing the USB and reattaching does not work. Adding a USB after the undock does not work. It's like the USB ports don't even exist. The only thing that makes the USB ports work again is restarting. I have upgraded the dock firmware, BIOS firmware and upgraded the kernel to the latest version to no avail. Anyone have this issue or know of any fix? Thanks!

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RELEVANCY SCORE 62.8

Hi, Does anyone have a definitive answer whether Thinkpad A485 support dual [email protected] using any kind of configurations? I know the HDMI supports a single 4k, would the second monitor work if I plug it into a USB-C to DP cable? Thanks!

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RELEVANCY SCORE 62.8

Brand A485 laptop does not detect brand new Toshiba RC100 (2242) in wwan slot. And from what I have read in psref it should be supported.

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RELEVANCY SCORE 61.6

I am testing the new models of Thinkpad A485 units Model Type 20MV S00U00.OS installs just fine.I have the drivers for enterprise that were downloaded from the lenovo site, they installed just fine.I have a script that as part of the setup it installs around 38 wireless profiles and its the same script that we use in all our models.On this model is causing a BSOD pointing to the "rtwlane.sys" file.  after some research I have downloaded the latest driver from Realtek.  This did not help.I added a pause command on the script so that the script pauses after each individual profile is installed to see if its one particular profile causing the issue.Each time that I run the script, the BSOD happens at a different profile. 

A:Thinkpad A485 - BSOD - rtwlane.sys when adding multiple wireless profiles

A blue screen error (also called a stop error) can occur if a problem causes your PC to shut down or restart unexpectedly. When you experience this type of error, you won?t be able to see things like the Start menu or the taskbar on the screen when your PC is turned on. Instead you might see a blue screen with a message that your PC ran into a problem and needs to restart.

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RELEVANCY SCORE 60

My old keyboard was refusing to re-initialize after the peripheral reset during win 7 boot. It's about a decade old, so I just assumed it was dead. I replaced it with my wireless keyboard I use for working on computers, Ms laser 8000. My keyboard now initializes fine, but shift L and Shift E are non functional. Sticky keys is off, along with all the other accessibility features. The keys work fine without shift pressed, and shift works with very other key.

I'm out of ideas, anyone have some?

A:Shift-E, Shift-L not working sticky keys off

For check a driver issue, give this a try...
https://www.slimwareutilities.com/slimdrivers.php
If you still have problems after getting a clean bill from SlimDrivers, we can look into your issue a little deeper.

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RELEVANCY SCORE 59.6

Hello,before I updated the firmware utility, my thinkpad A485 was recharging witht he 65 watt adapter attached to the docking station.However, now I need the 135 watt adapter attached to the docking station?Why is this happening?is there a way to uninstall the driver update? I cannot find anything related to dockign station in the contorl panel-->uninstall programs. Please help me, this is very frustrating. I am using the docking station for just one 1080p  display, it was able to work smoothly with the 65 watt adapter plugged to the docking station.My laptop was charged and the ports and the 1 1080p display was functional. Please help me, I do not want to use the 135 watt adapter as I need it for another lenovo dock.

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RELEVANCY SCORE 57.2

The TrackPoint buttons on my A485 are behaving oddly. The Left button is acting as a simultaneous left+right click (clicking opens up context menu, but I'm still able to drag windows around, etc.). Right and Middle buttons are not functional at all. It seems to be a hardware issue as it persists across Windows 10 and Linux (I've tested in Arch and Ubuntu). Are there any solutions for this, or should I send it in for warranty?

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RELEVANCY SCORE 57.2

Hi, I have a problem with the shift keys in my v130-15ikb new laptop. Since I bought the laptop, the same issue, both shift keys dont work propperly. when i press the left shift, it gives me the [ sign and when i press the right shift gives me the \ sign. I have tried everything, change keyboard layout, from Uk keyboard to US. Ive reinstalled my windows 10 several times. Ive upgraded the bios. uninstalled the keyboard drivers and installed them again. tried to remap the keyboard keys with a keyboard remapper program, but nothing, please, help me.

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RELEVANCY SCORE 56.4

This is my first time posting this but im trying to find a solution to this problem, EVERY key except for the c can be capitalized using the shift key, when i press the shift and the c i get ..nothing..but if i use caps lock and c i get C ...i tried using ctrl and c and that works perfectly fine,,its just shift + c..this stumps me like crazy ..any suggestions or help?

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RELEVANCY SCORE 56

Hi guys,
I'm using windows xp and I installed half life blue shift successfully. However, when I try to play the game, my screen goes black for a few seconds before returning me to my desktop. I've tried reinstalling a few times and also changing the compatibility both of which have not worked. I have the original half life which works fine and I uninstalled it to create space for blue shift. This is also the stand alone version of blue shift. Any help you could give me would be much appreciated.
 

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RELEVANCY SCORE 56

hi guys wish you all a great new year.

im facing a very annoying issue with my laptop, some keys are not working, the left **** and the windows key I just don't know whats happening.

can someone please help mw with that.

thanks in advance.
 

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RELEVANCY SCORE 56

Half life blue shift not working on windows xp

'shortofafulldeck' raised the same issue as I've got. Has anyone else seen this and found a solution? The game was working fine until I installed Kaspersky. I've fiddled about with the Kas firewall and app permissions but still no luck.

Hi guys,
I'm using windows xp and I installed half life blue shift successfully. However, when I try to play the game, my screen goes black for a few seconds before returning me to my desktop. I've tried reinstalling a few times and also changing the compatibility both of which have not worked. I have the original half life which works fine and I uninstalled it to create space for blue shift. This is also the stand alone version of blue shift. Any help you could give me would be much appreciated.
 

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RELEVANCY SCORE 55.2

Hi all,
Have a compaq laptop and both shift keys have stopped working. No physical damage (to my knowledge) has happened. Sticky keys are disabled. No physical damage to keys. Tried USB keyboard and shift keys working fine. Is this a hardware issue? OS is Windows 7.
Any help would be greatly appreciated.
Norman

A:Shift keys not working. Software Issue?? Compaq - Windows 7

The ribbon cable for the KB may have come loose, check that.

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RELEVANCY SCORE 55.2

Hi, My keyboard wouldn't let me type Backspace, Windows, Shift, T, Y, Tab, [, ], Capslock keys. What should I do?I have tried to unistall the keyboard driver and all other things mentioned on the internet. But no success. Do I have to buy a new keyboard? If yes, how much will it cost? Should I go to ofifcial Lenovo solution center or any other shop? As I don't have the laptop under any kind of warranty. Please help me out. Thanks,Jay

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RELEVANCY SCORE 55.2

Hi, My keyboard wouldn't let me type Backspace, Windows, Shift, T, Y, Tab, [, ], Capslock keys. What should I do?I have tried to unistall the keyboard driver and all other things mentioned on the internet. But no success. Do I have to buy a new keyboard? If yes, how much will it cost? Should I go to ofifcial Lenovo solution center or any other shop? As I don't have the laptop under any kind of warranty. Please help me out. Thanks,Jay

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RELEVANCY SCORE 54.8

Hi, I have a Lenovo W530 on which I reinstalled Windows 7 and lenovo softwares and drivers from scratch. Everything works well but for a very annoying detail: The ctrl+shift+s photoshop keyboard shortcut is not longer responding. It was working just before I did the re-install of Windows with the same photoshop installation package I have tried the following without success:- Installing Windows 10 and all the drivers/software and Photoshop (Decided I didn't like it as my PC was running 10 degrees celcius hotter)- re-installing the keyboard driver from the lenovo website on my fresh Windows 7 install- Switching fn/ctrl keys in the bios back and forth- Running Windows troubleshooter- There are no failing processes/services/exe in the reliability monitor nor in event viewer What works:- other keyboard shortcuts work well in photoshop- assigning another keyboard shortcut to save as in photoshop allows works Well it is minor, but bugging me!





W530, Windows 7 64bit, 256SSD Crucial M4 boot drive, 1tb WD Blue in Ultrabay, 16GB m-sata expresscache drive, NVIDIA K1000M, i7-3630QM processor, 8gb RAM 1600.

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RELEVANCY SCORE 54.4
A:key @ (shift+2) to " (shift+') after installing Windows 8

Sounds like the wrong keyboard language/system language is being used.

Go to control panel and change it there.

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RELEVANCY SCORE 54

I just got my X1 and the left shift key sticks. I can see the spacing on the top side is not the same as the right shift key, so it's physically catching on something. All the other keys feel really good, but that shift is anoying! I've put in for a RMA replacement. Anyone else have keyboard key problems right out of the box?

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RELEVANCY SCORE 52.8

Hi! I've been trying to reinstall Sims Deluxe and @ about 1% of installation it tells me that a problem occured when trying to copy Support\European Help Files\en-uk\rightarrow.gif
I am on Windows Vista
Is there anyway to get around this?
PLEASE help!
BBP
 

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RELEVANCY SCORE 49.6

After several clean re-installations of Windows 10 I've found the following:The driver "Synaptics ThinkPad UltraNav Driver 19.5.19.26" alone does not enable the middle button to work.The middle button works only if the "ThinkPad UltraNav" app is installed from Microsoft Store, as shown in the screenshot below.Sometimes downloading this app from Microsoft Store requires signing in with a Microsoft account, which is unacceptible. Why would I need to create a Microsoft account to get a driver?This app is not yet available in Microsoft Store for Windows 10 1809 as of 11/Oct/2018. A clean installation of Windows 10 1809 has no access to this app.Windows 10 LTSC 1809 does not have Microsoft Store, and therefore has no access to this app.Copying SynapticsIncorporated.SynLenovoTBGDApp_19005.19026.0.0_x64__* in C:\Program Files\WindowsApps\ from a Windows 10 1803 installation to a fresh installation of Windows 10 1809 works, but why would I need to go through such harassment just to get the middle button work?Suggested solution: Lenovo please add this app to the driver installer, not as a Microsoft Store app. 

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RELEVANCY SCORE 49.2

i am using a panasonic cf-w2laptop.
all of a sudden my shift keys are not working.
all other keys are working fine.
please help
sukhdeepak malvai

A:my shift key is not working

Could be the laptop keyboard is having a problem, keys might be stuck down, or not registering that you press them. If you connect a desktop keyboard to your laptop are you able to use the Shift keys?

What happens when you press Shift - nothing? Do you get weird results when you press any other keys or no?

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RELEVANCY SCORE 49.2

Hi. As above. My shift keys are not working. They were initially but one froze then the next. Details below:

1) New laptop, never been connected online so unlikely to be a virus.
2) All other keys work okay.
3) Not a sticky keys issue as looked in to that and put them on/off a couple of times.
4) Not unique problem to application. Sam situation with PwrPt, Excel, Notpad etc.
5) Ctl+Alt+Del works for Task manager but not the Ctl+Shift+Esc (these are identical commands to bring up TskMgr).
6) Have rebooted maching a couple of times.

Please help!!
 

A:Shift Key not working

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RELEVANCY SCORE 49.2

Hi

I am in the UK and using UK Keyboard Settings.
Since yesterday the Right Shift key is not working correctly.
When i use the right shift key and press the key that should give me a " ? " i get a " / " symbol.The same goes for the " @ " symbol as i get a " ' "But if i use the left Shift key it works ok.
So i am assuming it's software and not hardware as the RSK is still performing a function.

I have checked the regional settings in my control panel and everything is on UK.

Any ideas?

Thanx

A:Right Shift Key not working

technically it could be hardware... because if you get a / when you try type a ? then the right shift key clearly isn't functioning...
try the keyboard in a different computer, or a different keyboard on the same computer and see how it goes!

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RELEVANCY SCORE 49.2

SIR, IN MY LENOVO G -560 LAPTOP BOTH SHIFT KEY IS NOT WORKING , AND ALL OTHER KEY IS WORKING PROPERLY . PLEASE HELP ME IN THIS REGARD IN WINDOWS 7
 

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RELEVANCY SCORE 49.2

I was given a HP nc8000 laptop. It has Windows xp.The shift key is not working. So the symbol keys above the numbers will not work. You can hit Caps lock and get the alphabet letters to be capitalized but the shift button will not capitalize them. Thank you for any help you can give me.
 

A:Shift Key not working

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RELEVANCY SCORE 48.4

Hi, i bought new HP notebook and it has pause key where shift key should be there and it doesnt function like shift key. please guide. i am not able to find any alternate key which functions like shift key

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RELEVANCY SCORE 48.4

please forgive that lack of caps. it's part of the problem.

thanks for taking the time look at this. my shift and ctrl key stopped working after a reboot. at first i thought it was a virus, and posted an hjt log under security http://forums.techguy.org/t310903.html, but i've had no response. i ran ad-aware and fixed what was found, but have found nothing that appears to be causing this problem. i've read online that some people only fixed this problem by repairing or re-installing windows, so i thought i'd try this forum.

this computer has shown other signs of instability, such as occasional blue screens of death.

i have a windows cd, but my computer boots from the floppy, and i'm not sure how to get to 'repair windows' functionality.
i've tried...
-replacing the keyboard
-running mcafee virus scan
-running ad-aware
-running spybot s and d
-running hijack this
-rebooting into safe mode and debugging mode
-looking at the properties of the keyboard driver and us key map files. the dates on them looked ok. something like i8042prt.sys and can't remember the map file it had 'us' and 'dll' in it.
-looking at accessibilty features - filterkeys, stickykeys, etc. i've verified that they are all turned off, and tried turning them on just in case shift and ctrl might magically start working.
-looking at administrator global security settings for ctrl-alt-del

symptoms
-the ctrl and shift key beep when they are p... Read more

A:ctrl and shift are not working

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RELEVANCY SCORE 48.4

hi,  my lenovo t450 shift keys arent working, i have tried following steps1. updating the driver2. reset keyboard3. removed battery and ac adapter to restart and flush static, however my laptop model has inbuilt battery hence unable to perform requisite steps4. on screen keyboard is working normally and shift responds, however caps lock switches on when pressed however doesnt toggle back to off state unless restarted  this has happened post lenovo firmware update, since i dont have restore point enable, cannot undo the updates. keyboard and mouse scroll has slowed down internmittently post the update 

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