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PC freezing + USB Port Problems!

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Hello everybody!

I have 2 issues to solve:

I've been experiencing 2 annoying and weird issues over the past few months:

1) Sometimes my laptop (Acer Aspire 5738G running W7 Ultimate SP1 x86 as OS) suddenly frezees (mouse, keyboard etc.... no longer work), although all drivers in my machine seem to be perfectly updated.

2) Another issue is that my system does not often recognize both my USB flash drives and my external HD, forcing me to reboot it whenever this glitch occurs, despite USB PORT drivers appearing once again to be updated.

The problem is that whenever I try to copy or move a file on my Flash Drive or external drive or just perform a Virus scan on them my system 9 times out of 10 freezes and does not recognize any other portable devices I plug in unless I reboot Windows.

I've just found this possible solution but I'm not sure whether it really works or not:


What do you make of it?

Both my motherboard and HDD should be OK because if I do the same things in SAFE MODE all the problems mentioned above vanished, meaning my machine never freezees.

Please note that I bought my laptop from a guy who had changed both HD (from 250 GB to 500 GB) and OS (from VISTA to W7 Professional), then I installed W7 Ultimate edition. So could the above issues be somehow related to this?

Maybe my laptop has now a BIOS with an old firmware and this could be the cause of both issues: do you agree with me? Did anyone have the same experience?

So a possible solution could actually be to update my BIOS (so called BIOS flashing).

I've just found these free tools for that:


But maybe I'd better use this FREE CD bootable edition: is that right, dudes?


Ever tried one of these free tools ?? If you are aware of a good tutorial about flashing the BIOS, please just le me know...ok?

Here are the tech details about my BIOS and Motherboard:

Brand Phoenix Technologies LTD
Version V1.05
Date 03/20/2009
Starting Address 0xE549
ROM Size 2MB

Manufacturer Acer
Model JV50 (U2E1)
Version 0100
Chipset Vendor Intel
Chipset Model PM45
Chipset Revision 07
Southbridge Vendor Intel
Southbridge Model 82801IM (ICH9-M)
Southbridge Revision 03

Wait for your feedback and instructions!!
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