Laptop Key Problem

[Alex Hewitt]

On Tue, 2007-11-13 at 09:33 -0500, Ben Scott wrote:
> On Nov 13, 2007 9:25 AM, Tech Writer <TechWtr at handspun.com> wrote:
> > I actually tried to remove the Print Screen key, but that didn't help.
> 
>   I would suggest booting some MS-DOS-based diagnostic software, and
> seeing if the system is getting keyboard scan codes for the key.
> 
> > ... because XP SP2 kept giving hard drive errors (even after HP replaced the disk!)
> 
>   That makes me suspicious.  It's entirely possible that the system
> has some *other* problem (bad RAM, CPU, core logic, etc.) that is
> causing general craziness, including bad disk I/O and bogus key scan
> codes.  Try running other diagnostics (like MemTest86+) and see what
> you find.
> 
> -- Ben

One problem I've run into with Windows on laptops is an infrequent disk I/O paging error. The hard error (it shows up as a 
red coded error in the system event log can be caused by incorrect wakeup after suspend or hibernate. In other words it 
isn't really a disk error but rather incorrect handling of the paging file during wake-up. One way to tell is looking for the 
event log start message in close proximity to the disk error (usually within 10-20 events). It took me a while to figure this 
out because I started looking for a pattern that might occur on or near the disk errors and I noticed that the error always
showed up after I woke up the system.

-Alex

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