N100 BIOS downgrade (USB voltage problems and charger battery) [ Edited ]

[gavron04]

Hello. (Sorry for my English). I have problem with my laptop lenovo n100 3000. I must downgrade my bios to 1.08 version, because I've problem with USB - when i click some button on my keyboard e.g. my pendrive was disconnect. Can someone say to me what I must do to downgrade? (Windows XP SP2)

I've download v1.08, install, but when the program flash my new version of bios my laptop has BSOD for 1 seconds..

Regards

[yigit]

i don't think it's about bios, possible hardware issue.
can you post the bluescreen error message by the way?

[gavron04]

But, week ago I've update my bios.. After this i have the problems with usb, battery ..

I can't place the photo with BSOD, because this screen appears for  ~1sec.

[yigit]

press f2 to load bios and set default settings for, save and exit.
also, check ide/sata settings in bios, too.

[gavron04]

i click load default sett and exit & save. But it doesn't improve (?)/nothing do... .

"Check ide/sata settings in bios" - i must have check 'starting positions' ?

1. dvd

2. hard drive

3. realtek LAN

2 minutes ago, i/ve plugged my headphones. The sound were playing from laptop speakers and headphones..

[yigit]

i meant "sata controller > compatible or ahci"
also, set hdd as first device for boot order.

[gavron04]

1. i haven't this option.
2. Didn't help

(bios version 2.02)

[Duck3]

What was original version of Windows on the laptop?

Vista or XP? (Look for Windows sticker on bottom)

To determine current bios version, enter bios setup

on boot at Lenovo screen. (Press F1 key)

Look for bios version.

Newest XP version is 2.06

Newest Vista version is 1.08

Bios files and instructions (read them!) are on

THIS web page.

Try to boot in Safe Mode to install bios update.

(Press F8 key repeatedly at Lenovo screen to display

Windows boot option menu. Choose Safe Mode.)

[gavron04]

Windows XP PRO (SP2)

BIOS 61ET34WW (V2.03)

Latest I've 1.08

Which version should I install?

OK.

[Duck3]

Try to find the latest at the Polish support web page,
NOT the USA one.

Post here what version you find for XP.