BrainKing - Forum (Computers)

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Computers

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8. oktober 2010, 18:34:54

diogenysos

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Onderwerp: WINDOWS7 and USB-peripherals

Scanner, printer, camera... .

All USB-peripherals i connect with WIN7 (on various USB-ports, different USB-cards, some on the motherboard, some not) are recognized _sometimes_ and after a while the OS refuses to know them.

Restart..

Sometimes i can print 1 page or scan 1 pic, and thats it.

Many people in different communities tell the same.
Any experiences?

8. oktober 2010, 20:00:56

Mort

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Onderwerp: Re: WINDOWS7 and USB-peripherals

diogenysos: ?? Downloaded the drivers??

8. oktober 2010, 20:15:06

SL-Mark

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Onderwerp: Re: WINDOWS7 and USB-peripherals

diogenysos: A common problem with mobos with Nvidia chipset.

Reboot wiill have no effect as it does not reload the drivers.

You can try
A. Switch and UNPLUG computer from power for about 5 mins. Restart.

If that does not improve then try the MS temporary fix is:
B. From the command prompt run as administrator
1) Type "bcdedit /set truncatememory 0x80000000" (no quotes)
2) Reboot
3) Go to control panel -> System and Security -> view amount of RAM and processor speed.
- It should report 4GB (2GB available)

To undo this temp fix (when MS issue a patch), open the command prompt again:
1) Type "bcdedit /deletevalue truncatememory" (no quotes)
2) Reboot
3) Go to control panel -> System and Security -> view amount of RAM and processor speed.
- It should report 4GB

Hope this helps.

10. oktober 2010, 15:28:23

diogenysos

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Onderwerp: Re: WINDOWS7 and USB-peripherals

SL-Mark: this sounds reasonable ;-) - ill try it later and report it.
As it is a common problem, the users may hope on a MS fix one day ?!

Thanks so far!

11. november 2010, 13:22:12

diogenysos

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Onderwerp: Re: WINDOWS7 and USB-peripherals

SL-Mark:

i tried it out now -

unfortunately the problem still exists.

if it is such a common problem, MS still does not offer a fix?

thanks for your detailed help anyway...