Thinkpads Forum

Hi to all.
ok here is the story. I bought a battery board off eBay. So i took my laptop apart, put the component in, put it back together, and now my laptop wont even start!! Whats wrong? Are there any common mistakes people do while reassembling their laptops? I tried 3 times with no success, please help me!

btw, its a 390E.

Have you used the Hardware Maintenance Manual? It helps a lot.

Regards,
G-Man

I used the manual step by step everytime, so i do not know what i did wrong. Are there any parts that require particular attention or care?

bad battery board? Also Re-check all of your connections.

I tried putting my old battery board in again, but still no success. I assembled it very carefully checking every connection. I dont understand whats wrong.

If you are absolutely 100% positve that the new battery is infact new and good, then it sounds like a problem with the voltage circuitry and/or the mainboard. If you are sure the computer itself is good, then you have a bad battery.

I'd try to find a way to est the battery. Do you know anyone that you see on a normal basis who also has a 390? If so, I'd try the battery in their computer and see what happens.

yeah ok thanks, but that will help me with my battery, what about my laptop? It still doesn't work, i assembled it perfectly but it wont start, the power led is on but nothing happens, the screen doesn't even light up.

You probably have a board that's not seated probperly and/or somedust in a connector. Check all the connectors and make sure everything is snug and clean. You especially need to check the CPU connector, that one right there can be a doosey.

alright i'll give that a try now, thank you for your help. And if that does not work, do you reckon i broke something? but even if the cpu isn't connected right, shouldn't the screen light up anyway?

No, because the videocard needs to recieve instructions from the CPU to process to display an image or even light up.

oh ok, thanks.

ok this is really annoying now....i went back for like the 6th time, checked all the connections and the cpu, reassembled it and the same thing happens!!!!! what is wrong???!!!!