I can't use the keyboard to log in and see a keyboard in the Device Manager.
OT: Cannot detect the keyboard.
I tried several restarts too. I had put a password of account on account use controls and can connect once to turn them off. When the computer reboots, I can't use the keyboard to open a session and I can't even see a keyboard in the Device Manager.
Hi Luis,.
Could you try to change the USB port for the keyboard and check if it detects the keyboard?
Sometimes USB ports damaged leaving the USB device not detected.
You can also try the following fix - it:
Thank you
Waseemulla S
Tags: Windows
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Crashes Windows or freezes<- try="" these="" first="" and="" the="" methods="" do="" apply="" to="" your="">->
http://support.Microsoft.com/kb/2681286#method22Performance and Maintenance<- check="" these="" especially="" the="">->
http://Windows.Microsoft.com/en-us/Windows/performance-maintenance-help#performance-maintenance-help=Windows-7&V2H=win7tab1&V3H=winvistatab1Other methods of troubleshooting to use according to your needs:
Use the startup clean and other methods to try to determine the cause of and/or
eliminate problems.---------------------------------------------------------------
References to Vista also apply to Windows 7.
What antivirus/antispyware/security products do you have on the machine? Include
everything you've ALWAYS had on this machine, including those you have uninstalled (they
remains of leave behind which can cause strange problems).----------------------------------------------------
Follow these steps:
Try these to erase corruption and missing/damaged file system repair or replacement.
Start - type this in the search box-> find COMMAND at the top and RIGHT CLICK – RUN AS ADMIN
Enter this at the command prompt - sfc/scannow
How to fix the system files of Windows 7 with the System File Checker
http://www.SevenForums.com/tutorials/1538-SFC-SCANNOW-Command-System-File-Checker.htmlHow to analyze the log file entries that the Microsoft Windows Resource Checker
(SFC.exe) program generates in Windows Vista cbs.log
http://support.Microsoft.com/kb/928228Also run CheckDisk, so we cannot exclude as much as possible of the corruption.
How to run check disk in Windows 7
http://www.SevenForums.com/tutorials/433-disk-check.html==========================================
After the foregoing:
How to troubleshoot a problem by performing a clean boot in Windows
Vista or Windows 7
http://support.Microsoft.com/kb/929135Use advanced tools to solve performance problems in Windows 7
http://www.howtogeek.com/HOWTO/6152/use-advanced-tools-to-troubleshoot-performance-problems-in-Windows-7/Problems with the overall speed of the system and performance
http://support.Microsoft.com/default.aspx/GP/slow_windows_performance?p=1Optimize Windows 7 for better performance
http://Windows.Microsoft.com/en-us/Windows7/optimize-Windows-7-for-better-performanceOpen the troubleshooter of Peformance
http://Windows.Microsoft.com/en-us/Windows7/open-the-performance-TroubleshooterTo see everything that is in charge of startup - wait a few minutes without doing anything-
then right click on taskbar - task manager - take a look at stored by -
Process - Services - this is a quick reference (if you have a little box on)
Lower left - show for all users, then check that).How to change, add or remove startup programs in Windows 7
http://www.SevenForums.com/tutorials/1401-startup-programs-change.htmlIs a quick check to see who are loading method 2 - using MSCONFIG
then after a list of these here.
--------------------------------------------------------------------Tools that should help you:
Process Explorer - free - find out what files, registry keys, and other objects
processes have open, which DLLs they have loaded and more. This unique
powerful utility will show you even owned by each process.
http://TechNet.Microsoft.com/en-us/Sysinternals/bb896653.aspxAutoruns - free - see what programs are configured to start automatically
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locations of registry and files where applications can configure start automatic settings.
http://TechNet.Microsoft.com/en-us/sysinternals/bb963902.aspx
Process Monitor - Free - monitor file system, registry, process, thread and DLL
activity in real time.
http://TechNet.Microsoft.com/en-us/Sysinternals/bb896645.aspxThere are many excellent free tools from Sysinternals
http://TechNet.Microsoft.com/en-us/Sysinternals/default.aspxWhatsInStartUP - free - this utility displays the list of all applications that are
loaded automatically when Windows starts. For each application, what follows
the information is displayed: Type of startup (registry/Startup folder), Command - Line
Channel file, the product name, Version, company name, location in the registry or
file system and more. It allows you to easily disable or remove unwanted programs
that runs in your Windows startup.
http://www.NirSoft.NET/utils/what_run_in_startup.htmlThere are many excellent free tools to NirSoft
http://www.NirSoft.NET/utils/index.htmlWindow Watcher - free - do you know what is running on your computer? Maybe
not. The window Watcher says it all, every window created by each execution of the statement
program, if the window is visible or not.
http://www.KarenWare.com/PowerTools/ptwinwatch.asp
Many excellent free tools and an excellent newsletter at Karenware
http://www.KarenWare.com/===========================================
Think about it an absolute must - manually update your drivers.
Vista and Windows 7 updated drivers love then here's how update the most important.
This is my generic how updates of appropriate driver:
This utility, it is easy see which versions are loaded:
-Free - DriverView utility displays the list of all device drivers currently loaded
on your system. For each driver in the list, additional useful information is
Poster: load address of the driver, description, version, product name,.
company that created the driver and more.
http://www.NirSoft.NET/utils/DriverView.htmlFor drivers, visit Maker as replacements and system manufacturer of device which are
the most recent. Control Panel - write - graphics card - device manager
the brand and complete model of your video card - double click - tab of the driver-
Note the version information. Now click on UPdate Driver (this can do nothing
MS is far behind the certification of drivers) - then do a right click - Uninstall - REBOOT
This will refresh the driver stack.Repeat this for network - card (NIC), Wifi network, sound, mouse, and keyboard
If there are 3rd party with their own software and drivers and the other main device drivers
you have.Now, go to the site of the manufacturer of system (Dell, HP, Toshiba as examples) (restore)
and site (Realtek, Intel, Nvidia, ATI, for example) and get the manufacturer and device
their latest versions. (Look for the system to update the BIOS, Chipset and software updates
Site of the manufacturer here.)Download - SAVE - go to where you put them - right click - RUN AD ADMIN -.
REBOOT after each installation.Always check in the Device Manager - drivers tab to be sure the version you are
installation actually appears. This is because that some rollback of drivers before the
later is installed (particularly that audio drivers) so install a driver - reboot.
Make sure that it is installed and repeat if necessary.Repeat to the manufacturers - BTW to the device makers DO NOT RUN THEIR
SCANNER - check manually by model.Look at the sites of the manufacturer for drivers - and the manufacturer of the device manually.
http://pcsupport.about.com/od/driverssupport/HT/driverdlmfgr.htmInstallation and update of drivers under Windows 7 (updated drivers manually using
the above methods is preferable to ensure the latest drivers from the manufacturer of system
and device manufacturers are located)
http://www.SevenForums.com/tutorials/43216-installing-updating-drivers-7-a.htmlIf you update the drivers manually, then it's a good idea to disable driver facilities
in the updates of Windows, which leaves on Windows updates, but it will not be installed
pilots who are generally older and cause problems. If updates provides a new
driver then hide it (right click on it) and then go get new ones manually if
you want.Stop Windows 7 to automatically install device drivers
http://helpdeskgeek.com/Windows-7/stop-Windows-7-from-automatically-installing-device-drivers/How to disable automatic driver Installation in Windows 7 / Vista
http://www.AddictiveTips.com/Windows-Tips/how-to-disable-automatic-driver-installation-in-Windows-Vista/Turn off Windows Update Device Driver search prompt in Windows 7 / Vista (for the)
Professional, comprehensive and Enterprise edition)
http://www.AddictiveTips.com/Windows-tips/disable-Windows-Update-device-driver-search-prompt/===========================================
Refer to these discussions because many more excellent advice however remember to check
your antivirus, the main drivers and BIOS update programs and also to solve problems
with the first method cleanboot.Problems with the overall speed of the system and performance
http://support.Microsoft.com/GP/slow_windows_performance/en-usPerformance and Maintenance Tips
http://social.answers.Microsoft.com/forums/en-us/w7performance/thread/19e5d6c3-BF07-49ac-a2fa-6718c988f125Explorer Windows stopped working
http://social.answers.Microsoft.com/forums/en-us/w7performance/thread/6ab02526-5071-4DCC-895F-d90202bad8b3I hope this helps.
Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="">-><- mark="" twain="" said="" it="">->
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