Security App
Crashes indicate AVG being a possible cause. Remove AVG and replace with Microsoft Security Essentials to see if it provides more stability.
Uninstallers (removal tools) for common antivirus software. Microsoft Security Essentials and Malwarebytes are recommended from a strict BSOD perspective. They do not cause blue screens on the system as other AV products do.
Microsoft Security Essentials, Free antivirus for windows and Malwarebytes Anti-Malware Free
Information
- :warn: Do not start the free trial of MalwareBytes, unselect that option when prompted.
- :tip: Update and make full scans with both separately.
Scan your system with the following:
Kaspersky TDSSKiller -
How to remove malware belonging to the family Rootkit.Win32.TDSS (aka Tidserv, TDSServ, Alureon)
ESET online scanner -
One-time virus scanner free with ESET online scanner
Hard Drive/Storage
Post disk summary using CrystalDiskInfo software:
CrystalDiskInfo Standard Edition
- :info: For how to upload a screenshot or file, read here
Make a hard drive test from the hard drive manufacturers website:
Hard Drive Diagnostic Procedure
For errors on your Hard drive(s):
How to Run Disk Check in Windows 7
Heat:
-Only use the laptop on a hard surface with nothing blocking any of the vents.
-Use a laptop cooling pad if possible
-Blow out all vents with canned air (DO NOT use a vacuum cleaner or an air compressor, they can damage the components).
-Ensure that the fan comes on and is blowing air out of the vent (may not happen at startup, but should happen after using it for a while).
System Temperature
Ensure that there are no heat issues, For monitoring heat of the system use
Speccy or
HWMonitor
Start up
Keep less stuff at the start-up. Only anti-virus, this helps avoid driver conflicts and improves time to log in to windows.
Troubleshoot a Problem by Performing a Clean Startup in Windows 7 or Vista
How to Change, Add, or Remove Startup Programs in Windows 7
SFC /scannow to check windows for corruption:
How to Repair Windows 7 System Files with System File Checker
1. Click Start
2. In the search box, type
Command Prompt
3. In the list that appears, right-click on cmd.exe and choose
Run as administrator
4. In the command window that opens, type
sfc /scannow
and hit enter.
Memtest86+
Run Memtest86+ for at least 8-10 passes. It may take up to 20 passes to find problems. Make sure to run it once after the system has been on for a few hours and is warm, and then also run it again when the system has been off for a few hours and is cold.
How to Test and Diagnose RAM Issues with Memtest86+
Note
Pay close attention to part 3 of the tutorial in order to rule the faulty RAM stick out.
Tip
Do this test overnight.