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parda08
What's DOS?
Posts: 2
Registered: ‎09-08-2012
Location: Canada
Views: 369
Message 1 of 5

T61 Window 7 don't start without power cable

I have T61 think pad with windows 7 64 bits and windows don't start with the battery only but they start when the electrical cable is plugged.  It's very strange, please help me.

Guru
Posts: 7,626
Registered: ‎11-23-2007
Location: USA
Views: 365
Message 2 of 5

Re: T61 Window 7 don't start without power cable

Welcome to the forum!

 

I'm presuming a dead battery. Do you have another *known good* battery that you can test the machine with?

Cheers,

George




In daily use: R60F, R500F, T61, T410

Collecting dust: T60

Enjoying retirement: A31p, T42p,

Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W




Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.
.
parda08
What's DOS?
Posts: 2
Registered: ‎09-08-2012
Location: Canada
Views: 340
Message 3 of 5

Re: T61 Window 7 don't start without power cable

No my battery is new and try with another battery and I have same problem

Guru
Posts: 7,626
Registered: ‎11-23-2007
Location: USA
Views: 332
Message 4 of 5

Re: T61 Window 7 don't start without power cable

Presuming both of these are geuine Lenovo batteries and not third-world-knock-offs, you're looking at a motherboard problem.

 

A blown fuse comes to mind.

Cheers,

George




In daily use: R60F, R500F, T61, T410

Collecting dust: T60

Enjoying retirement: A31p, T42p,

Non-ThinkPads: Panasonic CF-31 & CF-52, HP 8760W




Starting Thursday, 08/14/2014 I'll be away from the forums until further notice. Please do NOT send private messages since I won't be able to read them. Thank you.
.
TuuS
Bit Torrent
Posts: 2,220
Registered: ‎01-02-2011
Location: US
Views: 324
Message 5 of 5

Re: T61 Window 7 don't start without power cable

Try booting to bios screen then insert a fully charged battery and unplug the power, if the laptop shuts off, then you have a motherboard problem, however I would definitely test the batteries in another computer just to make sure they work before you replace your board.

 

If it does run off the battery when the power is unplugged, but won't start with just the battery, try removing the battery and ac power and press the start button ten times holding 5 seconds each, then 30 seconds on the last time, then replace power and battery and try again. If that doesn't help you can try removing the cmos battery too and and repeating this step, but in most cases this too indicates a system board failure. 

 

Good Luck

ThinkPad W-510 i7-820QM(1.73-3.06GHz) Quad Core... ThinkPad T500, T9900, 8gb SSD...FrankNpad T-60p/61p (X9000 2.8ghz) 8gb SSD ips FlexView...ThinkPad T-61p (T9300 2.5ghz) 8gb ram...Thinkpad X-61 Tablet 8gb ram.

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