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Windows 7: BSOD on multiple occasions (explained in detail)

27 Nov 2014   #1

Windows 7 Ultimate x64
BSOD on multiple occasions (explained in detail)

Hello everyone,

I have a 3 year old hp laptop. I can remember that it started crashing and displaying BSODs around the second year. At that time it was not very frequent. However, it started to happen more and more. Generally, it happened when too many processes were running at the same time (torrenting, downloading, reading a document, playing music, etc.) but sometimes it happened randomly too. I have had cases where it happened just before shutting down, or right after restarting because of another BSOD. I tried re-installing my Windows and no crashes occurred only for a couple weeks after which I started to get the same pattern of crashes again (even more frequently). I can not see any error "names" on recent BSODs but I remember seeing USB_BUGCODE (or something like that) before. (it was not the same "name" all the time though).

If it helps, here is some random information:
- I have tried updating my BIOS
- I rarely have these display issues: random flickering horizontal lines on my monitor or sometimes (especially during full-screen video games), screen becoming two splits and going crazy (I know its hard to visualize from my words but basically, it is very annoying), which do not get fixed until I restart Windows
- I have a 2 year old wireless usb mouse
- I have a laptop cooler that works with usb. It's wire has an issue and so the cooler stops working almost all the time. At this point, I am only using it because it feels comfortable on my lap.

I appreciate your responses :)
My System SpecsSystem Spec
28 Nov 2014   #2

Microsoft Community Contributor Award Recipient

Windows 10 Home 64Bit

Welcome to the forum thewitcher,

 Clean boot
Reduce items at start-up. No software except anti-virus is required plus doing this improves the time for logging into windows:
Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:
  • Click on the
  • Type CMD on Search
  • Left click and Run as Administrator
  • Type SFC /scannow
Full tutorial here:Run Disk Check on your Hard Drive for file system errors and bad sectors on it.

 Hard Drive Diagnostics

  • Double click and open my computer.
  • Right click on desired drive and hit properties.
  • Click on tools tab and Check now.

Read complete instructions on the tutorial: Disk Check

Other Tests:

Temp Monitoring

Check for heating issues using Speccy or HWMonitor.

Upload a screen shot with either of the tools: Screenshots and Files - Upload and Post in Seven Forums

Take memtest. Run for 8 passes and test each stick in a know good slot for an additional 6 passes.
The goal is to test all the RAM sticks and all the motherboard slots.

Check your motherboard manual to ensure the RAM sticks are in the recommended motherboard slots. Some motherboards have very specific slots required for the number of RAM sticks installed.

If you get errors, stop the test and continue with the next step.

1. Remove all but one stick of RAM from your computer (this will be RAM stick #1), and run Memtest86 again, for 7 passes.
*Be sure to note the RAM stick, use a piece of tape with a number, and note the motherboard slot.
If this stick passes the test then go to step #3.

2. If RAM stick #1 has errors, repeat the test with RAM stick #2 in the same motherboard slot.
*If RAM stick #2 passes, this indicates that RAM stick #1 may be bad. If you want to be absolutely sure, re-test RAM stick #1 in another known good slot.
*If RAM stick #2 has errors, this indicates another possible bad RAM stick, a possible motherboard slot failure or inadequate settings.
3. Test the next stick of RAM (stick #2) in the next motherboard slot.
*If this RAM stick has errors repeat step #2 using a known good stick if possible, or another stick.
*If this RAM stick has no errors and both sticks failed in slot#1, test RAM stick #1 in this slot.
4. If you find a stick that passes the test, test it in all the other motherboard slots.

If Part 2 testing shows errors, and all tests in Part 3 show errors, you will need to test the RAM sticks in another computer and/or test other RAM in your computer to identify the problem.

In this way, you can identify whether it is a bad stick of RAM, a bad motherboard, or incompatibility between the sticks.
information   Information
Errors are sometimes found after 8 passes.

Tip   Tip
Memtest should be done overnight.
My System SpecsSystem Spec
29 Nov 2014   #3

Windows 10 Pro x64

Hello and welcome to Sevenforums!
Run sfc /scannow on cmd. The dumps didnt bring us alot of info.

How-To run sfc /scannow on cmd

1. Click on the start button.

2. Type in "cmd" without the quotes

3. In CMD type in sfc /scannow and let it finish.

My System SpecsSystem Spec

29 Nov 2014   #4

Windows 7 Ultimate x64

Hello, and thanks to both of you!

I have tried sfc /scannow so far and it reported no integrity violations. I still have to try all the things that koolkat77 suggested and I will reply again when I do so.
My System SpecsSystem Spec
29 Nov 2014   #5

Windows 10 Pro x64

I have my fingers crossed for you.
My System SpecsSystem Spec
04 Dec 2014   #6

Windows 7 Ultimate x64

Hello again,

I tried diskcheck, sfc /scannow and temp monitoring (which showed good results) and they did not affect the BSOD pattern at all. I did not even bother with memtest as it seemed pointless. The crashes stopped as soon as I made a really small and simple change: I changed my laptop's power plan from "High performance" to "Balanced". I did this because I had read somewhere that the pattern that appears on monitor screens before the BSOD is due to power problems. Is that a problem with the power supply unit? Anyway, I did not know by now that switching power plans change a whole lot of things other than brightness and "dim the display" time for example. I have had no BSODs for a few days now but seems like my laptop's life will come to an end eventually

Lesson learned: Do not use the "High performance" power plan on your laptops! It could reduce not only the battery life, but the life of your laptop as a whole.

Edit: I will mark this thread as solved after a few more days if my laptop does not crash
My System SpecsSystem Spec

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