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klementkrz
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Posts: 10
Registered: ‎10-03-2008
Location: Singapore
Views: 1,446
Message 1 of 8

Need help in downgrading Y400 from vista to xp

Hi, can anyone kindly help and guide me the steps clearly in downgrading vista to xp for my Y400?

 

I tried installing xp straight using the cd, however it doesn't seems to work.

 

I have browsed through the forum thoroughly but I don't really understand how to go about doing it.

 

 

Thanks in advance to whoever is willing to help =)

Solvan
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Posts: 182
Registered: ‎08-01-2008
Location: Papua New Guinea
Views: 1,414
Message 2 of 8

Re: Need help in downgrading Y400 from vista to xp

Welcome to the forum, klementkrz.

 

Before you decide to downgrade, make sure that you have all the drivers for XP otherwise you'll run into problems of finding the right  drivers. Once you got all the XP drivers, back up all your data to CDs or external hard drive.

 

When you insert the XP CD, your internal harddisk will not be recognized by XP. You need to go to your BIOS first and set the harddisk Serial ATA(SATA)>Set AHCI to Compatability. Save and exit.

 

When you insert again the XP CD, it will now install succesfully.

 

You can also google the step by step procedure if you need to get more information.

 

Hope this helps.

 

 

klementkrz
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Posts: 10
Registered: ‎10-03-2008
Location: Singapore
Views: 1,404
Message 3 of 8

Re: Need help in downgrading Y400 from vista to xp

Hi,

I went into PhoenixBIOS setup utility but I can't find anywhere in the menu settings that allows me to set the hdd SATA > changing AHCI to compatibility.

 

Any advise will be greatly appreciated.

 

Thanks.

 

Solvan
802.11n
Posts: 182
Registered: ‎08-01-2008
Location: Papua New Guinea
Views: 1,388
Message 4 of 8

Re: Need help in downgrading Y400 from vista to xp

Ok,  If you see SATA Control in the BIOS settings and it says Enabled, change it to Disable.

klementkrz
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Registered: ‎10-03-2008
Location: Singapore
Views: 1,364
Message 5 of 8

Re: Need help in downgrading Y400 from vista to xp

Yes, but I've tried looking around couple of times but there isn't any SATA control in the BIOS settings.

Solvan
802.11n
Posts: 182
Registered: ‎08-01-2008
Location: Papua New Guinea
Views: 1,337
Message 6 of 8

Re: Need help in downgrading Y400 from vista to xp

When you are in the Bios setup screen, go to advanced menu, on the left column  what are the options listed?

 

Let me know the list and you would probably see the hard disk option (it could be IDE configuration).

klementkrz
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Registered: ‎10-03-2008
Location: Singapore
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Message 7 of 8

Re: Need help in downgrading Y400 from vista to xp

There is only Quiet Boot(Enabled), Power on display(Auto-Selected) and Legacy USB Support(Enabled) under the Advanced menu.

Solvan
802.11n
Posts: 182
Registered: ‎08-01-2008
Location: Papua New Guinea
Views: 1,281
Message 8 of 8

Re: Need help in downgrading Y400 from vista to xp

In that case, try the links below, about downgrading vista to xp.

 

 http://www.pcmech.com/article/how-to-downgrade-from-vista-to-xp/

 

 

http://www.pcmag.com/article2/0,2817,2287700,00.asp

 

 

Hope these guides will help you.

 

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