Scott Hanselman

FIXED: Blue Screen of Death (BSOD) 7E in HIDCLASS.SYS while installing Windows 7

June 8, '14 Comments [19] Posted in Bugs
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I was doing tech support for a friend this weekend. He was paving an old HP Envy laptop (although this happens on some Dell Inspirons as well) and was getting a blue screen in the middle of install. Then, of course, if you're not looking at it you'll just reboot and drop back into setup and get the "the computer restarted unexpectedly or encountered an unexpected error." At this point he was in a setup loop.

IMG_1519

"HIDCLASS.SYS" is the driver that failed. HID means Human Interface Device, and that means "keyboards or mice" for the most part.

IMG_1543

Errors in HIDCLASS.SYS, especially during setup, almost always means that there's trouble with an attached keyboard or attached mouse. I asked my buddy if he had a mouse attached and he did. He removed the mouse, and started setup over again. Setup succeeded. Then, he spent about an hour (and several reboots) getting Windows 7 "gold" (which was released in July of 2009, almost 5 years ago) up to date with patches, service pack 1, and the latest drivers. Then he was able to attach his mouse and it works fine.


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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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Sunday, June 08, 2014 1:51:58 PM UTC
Ha - Sometimes its the simple things!

Had the same thing but with a USB hard drive once.
Sunday, June 08, 2014 4:44:22 PM UTC
Which once again demonstrates the need for periodic cumulative service packs, plural. Or at the very least, a post-SP1 CU.
John Murphy
Monday, June 09, 2014 5:47:17 AM UTC
Microsoft have declined a call for an updated VB6 programming language.

Microsoft's Paul Yuknewicz stated "VB6 was and still is without a doubt awesome. VB6 made developers incredibly productive building a breadth of applications and as a result we have a wealth of applications and passionate developers to this day in 2014. "

Yuknewicz stated that is "not possible" to add the same modifications to the VB6 programming language that they have already added to VBA.

They have also announced that it is "not feasible" to open source VB6.

Yuknewicz admitted VB6 will continue to be supported by Microsoft until at least 2024.
Monday, June 09, 2014 5:49:36 AM UTC
The call for an updated VB6 programming language, and Microsoft's refusal, is at:

http://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/3440221-bring-back-classic-visual-basic-an-improved-versi
Monday, June 09, 2014 8:09:10 AM UTC
After a lot of misleading articles I found your site and now my issue is solved. Thanks for detail information.
Monday, June 09, 2014 8:15:01 AM UTC
Hmm!! Good one!!
Whats with this VB6 comments here???
Monday, June 09, 2014 11:58:05 AM UTC
Great article aimed at solving a specific problem (which I've had at least 4 times in the past). As for the VB6 programming troll.. lets just ignore it.
Krystan Honour
Thursday, June 12, 2014 11:47:30 AM UTC
Thanks Scott. We had a 5yo Dell Precision stuck in the installation loop that you have described. Unplugged the mouse as suggested and it finally worked! Could have bought a new server with the amount of time we wasted.
Thursday, June 26, 2014 10:56:28 PM UTC
Hello Scott,

I had the same kind of problem with hidclass.sys on my wife's Asus eeePC. But there were no external keyboard or mouse connected. I have turned off USB in BIOS setup and it worked. After successful installation I have turned on USB and everything works fine.
rkk
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The design look great though! Hope you get the issue resolved soon. Many thanks
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