Blue screen troubleshooting tips for Windows

Normally, the blue screen of death contains a driver name, and some addresses; if you’re lucky, removing that driver will do the trick. But what if there is no driver name on the BSoD? And what if you don’t have all the skills to play with crashdumps and debuggers?

In this case, Autoruns comes to the rescue. This is a graphical tool that allows you to disable/enable drivers in a very easy way.

The strategy:

1. Boot into safe mode (since the system is crashing when you attempt to boot normally);
2. Start Autoruns, and switch to the Drivers tab;
3. Go through the list, and uncheck the drivers that are suspicious;
4. Close the program, restart and boot normally

The steps above will be repeated until the system is able to boot correctly.

When that happens, remember what were the last changes you applied, and try to enable some drivers back – until you figure out which one of them was causing the issue.

The advantage of this method is that you can keep unchecking drivers without knowing what they do, because undoing any change is as easy as checking an item back (this is one of the coolest things about Autoruns).

What makes a driver suspicious?

When temporarily disabling a driver, you are not yet sure whether the driver in question is the culprit, so an educated guess is your best option. Start by unchecking:

* Non-Microsoft drivers (see the info in the Publisher column);
* Drivers that have a description that sounds like something you don’t need;
* Drivers that don’t have a publisher name, nor a description;
* Drivers the path to which points to an unknown location.

In the example above, I highlighted Private Disk’s drivers, you can see the description and the vendor name – this illustrates how one can easily spot the modules related to an application.

Note: if you have a driver from ‘Micr0soft’ or “MlCROSOFT” (i.e. something that mimics the name of a well-known vendor), it is most likely a piece of malware, so you should not only disable it, but also figure out how it got in your system in the first place.

How to find the blue screening driver faster?

Usually one’s technical knowledge provides sufficient data for a good guesstimate, but what if you have no clue where to start, and there are a lot of suspect items? In this case, try the binary search:

* Disable half of the items in the list of suspects;
* Reboot; if the problem persists – it is caused by an item in the other half;
* Go back, undo the previous changes and uncheck the items in the other half instead;
* Reboot; if the problem is gone – one of the disabled items was the problematic one;
* Go back, enable half of the half back;
* Reboot… repeat the previous steps.

The trick is in narrowing down the problem to as few items as possible. At each step the list of suspects is cut in two, so eventually you are left with one single item.

How to tune my Windows performance with Autoruns?

If you switch to the other tabs, you’ll see a lot of other stuff that loads automatically when the system boots (drivers, services, applications in the registry, various shell extensions, etc). You can go ahead and uncheck the items that look suspicious – this will cut boot times, and make the system faster once it is loaded (since less stuff is loaded into RAM).

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