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Why do I receive Stop Error 0x0000007E in Windows XP when I add. a new USB device?
[Windows and .NET Magazine Network] If the USB bandwidth consumption exceeds the 100-percent maximum that the USB 2.0 update or XP Service Pack 1 (SP1) allows, you'll receive the error you mention. Specifically, if existing USB devices are already using the maximum bandwidth and you add another USB device (e.g., if you're viewing streamed audio or video through a USB device and plug in another USB device), you'll receive the following error message:
STOP: 0x0000007E (0xC0000005, , , ) usbhub.sys
To work around this problem, you can take one of the following actions:
- Connect your keyboard, mouse, or other USB device before you start streaming USB video or audio.
- If you've already started streaming USB video or audio, either stop or pause the stream, connect the keyboard, mouse, or other USB device, then start the stream again.
- If your computer has multiple USB host controllers, connect the keyboard, mouse, or other USB device to a USB host controller separate from the USB host controller that you're using to connect the USB video or audio device. Most computers sold in the past year have two or more USB host controllers. To verify this configuration, view the USB host controllers in Device Manager (go to Start, Settings, Control Panel, System, Hardware, and click Device Manager).
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How can I configure the grace period that Windows uses for password-protected. screen savers?
By default, when you activate a password-protected screen saver, Windows provides a brief grace period during which keyboard and mouse activity will stop the screen saver and let you access the system without having to enter the password. To modify this grace period, perform the following steps:
- Start a registry editor (e.g., regedit.exe).
- Navigate to the HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionWinlogon registry subkey.
- From the Edit menu, select New, DWORD Value.
- Enter the name ScreenSaverGracePeriod, then press Enter.
- Double-click the new value, set the "Value data" to the number of seconds (from 0 to 2,147,483) that you want to use for the grace period, set the Base type to "decimal", then click OK.
- Restart the machine for the change to take effect. [Windows and .NET Magazine Network]
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Tip: Listing Installed Computer Services On Windows Xp.
You'd be amazed by how much email I receive from people who ask, "What are those dozens of services that my computer runs, and how do I figure out which is the service I just installed that's causing problems?" A quick look at my own Windows XP system shows almost 100 services running. However, despite all the applications and hardware installed on my computer, almost all of my services are directly from Microsoft. In fact, on my computer, only 10 of the 97 listed services are non-Microsoft applications.
How did I get that information so quickly? On XP, it's easy: Just go to Start, Run and launch msconfig.exe. Click the Services tab to see all the installed services and their current state (running, paused, or stopped). Click the Hide All Microsoft Services check box to see what's installed that isn't from the OS or a Microsoft application. [Windows and .NET Magazine Network] |
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Building Your Own Windowsupdate Server. With the advent of the Automatic Updates client in Windows 2000 Server Service Pack 3 (SP3), many administrators will want to manage security hotfixes and bug fixes internally. Paula Sharick offers instructions for installing and configuring your own WindowsUpdate server at the following URL: [Windows and .NET Magazine Network] |
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Building a Dead Silent PC [Slashdot] The folks over at HardCoreWare.net have finally lost it. They built a PC that's well over twenty times quieter than their comparison PC (40 dB versus 65). And it's no sluggard, either: P4 2.80 GHz, 7200 RPM hard drive and--get this!--an overclocked to the max GeForce4 Ti 4200! The only fan in the entire system is in the PSU." |
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© Copyright
2002
Eric Hartwell.
Last update:
11/4/2002; 5:45:31 PM.
This theme is based on the SoundWaves
(blue) Manila theme. |
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"Data! data! data!" he cried impatiently. "I can't make bricks without clay."
— Sherlock Holmes to Dr. Watson in "The Adventure of the Copper Beeches" by
Arthur Conan Doyle.
"I
like deadlines," cartoonist Scott Adams once said. "I especially like the
whooshing sound they make as they fly by."
"There is nothing like that feeling of spending days and days banging your head
against a wall trying to solve a programming problem then suddenly finding that
one tiny obscure and seemingly unrelated piece of the puzzle that unlocks the
solution. Oh yeah!"
- Chris Maunder, CodeProject Newsletter 28 Jan 2002
"Management at eSnipe,
which is me, is also feeling the pain of the 2002 bear market. So rather than
pout about it, I bought some stuff on eBay that I really didn’t need, but made
me feel better."
- Tom Campbell, president of
eSnipe
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