Question about Lenovo ThinkPad SL400 Notebook

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Can't start and also stop my lenovo sl400 after running of battery power. Please help

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Hi lim_bunly, try to isolate the problem by removing the battery from the pc and use only the power adapter to turn on the pc. If it work, then turn off again the pc and remove the power adapter and push the power button for 5 seconds and insert the battery only if it work. If it doesnt then there is a battery problem, you can call their tech support hotline 1-800-426-7378 to check the battery.

Hope this helps....

Posted on May 08, 2010


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My original of this battery is dead, I want to get a replacement of this battery. It will suitable for my laptop?

If you are buying a replacement battery, remember two things, 1 get the EXACT power specs DC Volts and Amps. 2 Beware of inexpensive batteries, sometimes they don't work well with your laptop. Search the Lenovo website for a idea of what Lenovo charges. Do a little research on the website you intend to buy from, reviews of customers for instance. Good Hunting.

Dec 07, 2012 | Lenovo ThinkPad SL400 Notebook

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I have an thinkpad sl400 that can pick up wifis but wont connect says association failed any ideas

Are they password protected networks you are trying to connect to? If security is set on these networks, you will have to be granted access to them by their owners.

Aug 22, 2012 | Lenovo Thinkpad 43Y9801 - SL400 SL400C SL...

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My Lenovo ThinkPad SL 400 display is too dark and cant control with the brightness control buttons (Fn + Home or End keys). Once Laptop battery power was really down and this started happening after...

Your Inverter board is probably bad. It is inside the LCD unit.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response
Thanks, Joe

I’m happy to assist further over the phone at

Jan 19, 2011 | Lenovo ThinkPad SL400 Notebook

1 Answer

Sl400 screen gone black.not able to shut it down. but i guess the system is working as i can hear sounds when i click.

Hi. Press the power buttong for 10 secs inorder for the system to shutdown. Take out the battery and unplugged the power adapter. Preass and hold the power button for 30 secs then put everything back in. Turn On the computer.

Oct 13, 2010 | Lenovo ThinkPad SL400 Notebook

1 Answer

I can't install bluetooth driver on my SL400 machine which is running on Windows 7, please help.

i)Download System Update drive from lenovo web.
ii)Install it till complete.
iii) Complete ii) then go control panel, set view by large icon then to run Update and Drivers
iv) Follow steps till install Power Management for SL series till complete
v) Use Fn+F5, you able to see bluetooth icon at that moment

Good Luck!

Sep 27, 2010 | Lenovo ThinkPad SL400 Notebook

1 Answer

My lenovo sl400 have error 8600 CMOS Date/Time Not set and im in bios set up if i have to enter system date its said that "View Only Item" what can i do to fix this problem. Can anyone help me

I have the same problem with the same model. I flashed the BIOS, which fixed it for a couple hours. Then, I replaced the CMOS battery, which fixed it for a day. Then, I replaced the system board, which fixed it for 2 days. Now, the problem has returned. I'm stumped.

Mar 27, 2010 | Lenovo ThinkPad SL400 Notebook

4 Answers

Broken left hinge on lenovo sl4oo

try going on ebay for either hinges or anon functional laptop from the same manufactuerer and find the hinges. Good luck

Oct 12, 2009 | Lenovo ThinkPad SL400 Notebook

1 Answer

Lenovo Sl400- power adapter at the back is moving around!

yes you can replace the connector inside,
this is a common fault on laptops
it's because of the connection getting used so much, 365 days per year, times 2,3,4 times a day. the connector fails then
cost around $150/$200
to be repaired.

Hope this helps

Apr 22, 2009 | Lenovo ThinkPad SL400 Notebook

1 Answer

I need to change my ram on my lenovo sl400 laptop

Go for a DDR2 Ram. That will suit your configuration.

2GB DDR2 Ram will cost your around Rs.1700

Mar 21, 2009 | Lenovo ThinkPad SL400 Notebook

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