Don't use Tune Up utilities or any tweaking suite with Win7, which is a perfectly balanced lean OS which will not tolerate tweaking outside normal system settings.
Check for latest BIOS version. If current, reset the CMOS:
Clear CMOS - 3 Ways to Clear the CMOS - Reset BIOS
Study the Event Viewer>Custom>Admin view for repeat errors to google text and ID# for resolution. Check also the Performance log on Advanced Tools page accessed by clicking your WEI score link at Computer>Properties. Check for cued issues at top of Tools page, Generate A System Health Report.
Look for issues cued in Action Center in System Tray. Type "Solutions" in Start Search box to see if any have been sent for Problems reported or not. Always report problems when asked as Windows 7 is interactive this way.
Check for infection by installing
Malwarebytes, update, run a Full Scan. Many issues can be solved by running a free lightweight AV like MS Security Essentials or Avast 5 with the Windows 7 Firewall for best performance. 32 bit Avast 5 will give you a deep boot scan.
Test your hardware by running memtest86 CD for 5-6 passes or overnight:
RAM - Test with Memtest86+, then test the HD using maker's diag/repair full CD scan:
Hard Drive Diagnostics Tools and Utilities (Storage) - TACKtech Corp..
Check temps for overheating by installing SpeedFan, blow dust out of the case using canned air, check all connections carefully avoiding static discharge to components by touching case first, reseat RAM.
Try a
Clean Boot Procedure to learn what programs are running unseen which can be causing problems. Turn off all Startup items except AV and gadgets:
Startup Programs - Change
Some of these steps suggested for
cleaning up a factory bloatware install might help.
Run
SFC /SCANNOW Command - System File Checker to repair any damaged or corrupt OS files.
As a last resort before reinstall try a
Repair Install which can fix most problems as it reinstalls the OS while keeping all programs, files and settings in place.
Tips for a clean reinstall, which is actually better than getting a new computer with today's bloated factory pre-installs.
