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IT Miro
IT Miro, Computer Scientist
Category: Computer
Satisfied Customers: 2801
Experience:  Bachelor's Degree in Information Technology, Microsoft Certified Professional
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I have a P400 ThinkPad. is hot bright anymore. The

Customer Question

I have a P400 ThinkPad. is hot bright anymore. The brightness tabs do not work.
JA: Just to clarify, what's the exact model of your ThinkPad?
Customer: 20211
JA: Have you installed any updates recently?
Customer: I don't think so. I keep getting a message to update my driver.
JA: Anything else you want the computer expert to know before I connect you?
Customer: I don't think so.
Submitted: 25 days ago.
Category: Computer
Expert:  Sudipto replied 25 days ago.

Thanks for posting your question on, a global paid independent support site.My Name is ***** ***** I will be assisting you today.This problem is caused due to pressing some wrong key combination, try the steps below to increase the brightness.

Power off the computer.

Power on the computer

As soon as you see tLenovoevo logo starts increasing the brightness by pressing the brightness key.

If this steps fail then, Try using the intel graphics driver from lenovo site or from the d drive of your hard drive.

Expert:  Dan replied 22 days ago.

Hello and thank you for your question. Please let me know if you still require assistance and I would be happy to help you

Expert:  IT Miro replied 19 days ago.

Hello! My name is*****
I am a certified computer professional who will assist you.

If the brightness problem is still there, you can solve it by installing the Intel graphics card drivers available on the Lenovo P400 drivers webpage. See this link:

Let me know if this solved the problem, and if you require further assistance.

Best regards,
IT Miro

Expert:  IT Miro replied 14 days ago.

Hello again!

I am following up with you to see if you require further assistance. Let me know by sending me a reply below.

IT Miro

Expert:  IT Miro replied 12 days ago.


Let me know if you were able to receive my messages.

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