Hardware problem potential keyboard T410

Hi all

Since yesterday I was faced with a problem with my T410, which is potentially due to

a problem of material with the keyboard.

A few specific keys don't work anymore. These seem to be the key to turning the power on, the Fn key.

the Alt Gr key and the ThinkVantage button.

I guess it's a hardware keyboard problem, since I can't use the Power On button for

start the laptop. Fortunately, it is possible using the marketing of the fingerprint reader.

When the laptop is running (using Windows 7) everything works fine, except the cited

buttons. I can't access any functions of the keys (e.g., the reading light) Fn or Alt-Gr symbols (eg.

the symbol that is on my keyboard press 2 @) or power down with the power button.

I tried various easy fixes:

* By ensuring all drivers are up-to-date

* Remove and replace the keyboard

* Static discharge procedure (unplug all power, 10 presses and holding of 30 sec of power button / stop)

Check the Bios settings

* Replace the battery

* ...

Unfortunately, it has not changed the situation.

I wonder if the simultaneous malfunction of these specific buttons pointing to a certain

hardware problem. I hope a replacement of the keyboard can solve this problem, but it could be a

problem with the motherboard.

Advice would be welcome.

Thank you

HD

It's hard to say, it could be the motherboard (more unlikely). But more likely it is the keyboard that plays up. The keyboard is least expensive to test for specific problems that you mentioned in the T410, so it's the most cost-effective test for fault case.

Tags: ThinkPad Notebooks

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