Question about IBM ThinkPad T40 2373 Notebook

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Re: t40 ibm fan error

The fan is a known good fan, the fan worked in another laptop. i can not do the download to clear up the bios because i could not even boot up the laptop because of the fan error. please advise

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The laptop shuts off before it can even boot up to the boot disk (cd drive), so i am uable to enter the boot menu. still get the fan error, then would shut off, will not even stay long enough to boot to the cd boot disk. pls advise.

both the original and the replacement fan were known good (tested on a working laptop)

Posted on Jul 29, 2008

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Are you talking about the original fan being good or the replacement? If it's the original, then your problem may lie with the processor or mainboard. Try the download first, you will need to access another computer to make a bootable disc for the download to clear it. I believe with IBM you can make a bootable floppy or CD. If you have a floppy for your machine, some don't. Once you've made the disc or floppy, you will need to enter the boot menu, and boot from the proper drive. I'm out for the night, but I'll be back in the morning. Let me know.

Posted on Jul 29, 2008

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1 Answer

I need to rest password in bios


Hi,
Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. BIOS password can be removed by temporarily disconnecting/ removing the RTC/ CMOS (Coin-cell) battery from the motherboard.
Disconnect the coin-cell battery from the system board and it will reset the BIOS to its default setting and the password would be gone.
Please Refer to Page 29, 106 & 79 of the REPAIR MANUAL IBM T40 for Battery removal, keyboard removal and RTC battery removal instructions.
The Backup Battery (RTC, CMOS) is located under the keyboard. So you have to remove the keyboard to access the battery. The above Manual from IBM shows the exact method/ instructions and pictures for laptop dis-assembly for the purpose.
If you are comfortable with working inside such electronics, you can't do it yourself, or else you may seek help from local laptop service professional.


Hope it helps! Good Luck! Thanks for using Fixya!
CreativeTECH

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http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-46258

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1 Answer

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1 Answer

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1 Answer

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Nov 03, 2008 | IBM ThinkPad T40 2373 Notebook

2 Answers

T40 2373 ibm fan error


One of three things; 1- when the fan codes on some IBM's, the code locks in the bios, there is a download the has to be ran in order to clear the code and the machine to run properly. Check IBM's support site to see if this is the case for your machine 2- If the machine overheated in the process of the fan going out, then the processor may have been damaged, causing the problem and 3- if there was a malfunction with the motherboard which initially caused the fan to stop working, a new fan won't work either. Test the old fan by hooking power up to it, it is power direct and has two leads positive and negative, when power is applied it will run or not. If it does run then the problem is with the motherboard. Try these and get back to me.

Jul 29, 2008 | IBM ThinkPad T40 2373 Notebook

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