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Probably windows picked the wrong drivers, if it was microsofts download. Try to get to safe mode and type restore point in the search box. Select a date prior to the update. If it was a windows update there will be a restore point set.
Hi, Did you update the software? Do not have 2 anti-virus programs running because they can have conflictions with each other. There for 1 or both will stop running. The same with firewalls. Good luck.
when was the last time your computer worked fine? run system restore and choose a restore point prior to when the issue started. if no restore point is available, open run and enter 'msconfig', go to startup and disable unecessary startup programs. also open the prefetch folder and delete its contents. then restart your system. if it's still slow, i suggest you backup your files and reinstall windows. make sure that you operate the laptop on a flat surface to avoid any ventilation blockage. hope it'll help. good day. =)'
If you are using Windows Vista go to your control panel>perforfance and maintenance. Click on disk cleanup first then when that is done run a defrag. Reboot and you should be running faster. Hope this helps.
Start off by running Checkdisk to make sure the Hard Drive is okay.
Get a good Antivirus and run it [ AVG free is okay ]. [obviously you must have a good AV installed!]
Download and install Spybot S&D v1.6, and run it
Also find Malwarebytes AntiMalware ... install and run that.
You could also try CCleaner.
And finally get a good Registry cleaner - and run that.[ there are a
few good Free ones you may find on CNET, or one of the other Reputable
download sites ]
After you have run all of the above you WILL have a much happier computer, and should not have need to load a restore ...
BUT you Will NEED to create a New Restore Point before you start the
clean up, AND once the computer has been cleaned up - also create
a New Restore Point.
And finally when you have completed all that , run the Defrag - which
may take a long time if not run recently. [ defrag should be run on a
fairly regular basis ]
Incase you need to get into the Windows boot options, holding the " o "
key not the "0" zero, may get you in. Other wise the [F8] key must be
pressed at startup - this will bring up the options menu also.
If you Requre to Boot from the CDRom at startup - as the Computer is
first powered on start presssing the Right Arrow key until you see the
Hilite move across the Icons - here you can select HDD , CDRom, Floppy
and even WindowsBoot Menu.
Try to clean up your system remove the program causing the system slow then defrag your system after you defrag scan if there is a virus,.. virus also causing the system to make slow if there is virus try to clean it ..and if the virus unremovable format is the best solution ....... remember backup your files before you this......
You need to listen to your C400 as it boots for further hints as to wether your problem is hardware or software.
At power on a number of events occur,then if the POST (power on self test) completes you get a single beep. If you are getting more than one beep it is important to note how many.
This will aid in figuring out what hardware is involved.
After POST your system starts operating system input.
If you get to the point that it starts to load your OS then if you get a succesful load I would go back and figure out when did the problem start, (Have you loaded new software) if so you might have a restore point you can go back to.
( To access the System Retsore Wizard, click Start, and then click Help and Support. Click Performance and Maintenance, click Using System Restore to undo changes, and then click Run the System Restore Wizard.)
If you fail before the operating system loading screen then consider you might have loose memory chips (you did say it was a laptop and could have be jostled) Loose memory might affect the first 64 MB of Ram used for the load instructions.
If you get the blue screen after you OS loads you might want to reload your OS, but I would do Scan disk / Defrag First in that order. Scan disk will identify bad hard drive sectors and attempt repair. Defrag will consolidate your software. These two should be run monthly especially if you delete any files regularly. (email, web sites)