Hi,
Good idea would be to update all major drivers, BIOS, and low level chipset drives. Doing that
would likely correct the issues the system has now and help prevent others in the future. Check
with your system maker (motherboard maker for custom systems) and the chipset maker. You
can also determine the chipset maker and model by using Start - type in the Search box ->
System Information find at top and double click on it.
Are you using any Roxio or Nero programs? These have been known to cause this problem even
if they were working well for a long period of time. If so check with their support.
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Check this thread for information on using BlueScreenView, MyEventViewer, and other methods to
troubleshoot BlueScreens - top 3 replies (+1 other). There is also information on updating drivers.
More troubleshooting help though the key is updating as mentioned above.
**References to Vista also apply to Windows 7.**This "could" be a power supply problem though it is not the most common cause.
9f is likely a driver issue. Antivirus/antispware/security programs can also cause these issues.
Have you added devices lately or updated drivers - be sure to check in Windows Updates to see
if a driver was updated prior to this occurring. This could also be caused by a loose card or cable
and even a weak power supply.
That error means a driver is not handling the power state properly. Check in Control Panel - Device
Manager to be sure major drivers are not shut off during sleep - double click Display Adapter - NIC
and WIFI - Sound and others - Power Management tab - uncheck Allow computer to turn off power.
Maybe only one has an issue.
Start - type in Search box - MSCONFIG find at top - Right Click - RUN AS ADMINGeneral Tab - check Diagnostic Start - APPLY / OK - REBOOTTry it now. If it still blue screens think Video Driver. If not think NIC, Wifi, Sound, or......(and it still could be video interacting with something else). See next message for mygeneric driver update methods.
BCCode: 9F 0x0000009F <-- read thishttp://www.faultwire.com/solutions-fatal\_error/DRIVER-POWER-STATE-FAILURE-0x0000009F-\*1167.html?order=date
See the troubleshooter links posted above for methods to update drivers.
Hope this helps.
Rob Brown - MS MVP - Windows Desktop Experience : Bicycle - Mark Twain said it right.