X40 No Boot, No lights All of a Sudden

X2/X3/X4x series specific matters only
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kennyschiff
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X40 No Boot, No lights All of a Sudden

#1 Post by kennyschiff » Sat Dec 25, 2010 12:39 pm

I have an x40 (not tablet) that completely died last night with no warning. All was working fine, and then system power off and nothing will get it to go back on. I tried a different power supply, popped the battery, nothing. I have an Ultrabase and plugged into that for grins, thinking that it might be the power jack, nothing.

This is a 6+ year old machine, so no great expectations on reviving it, but curious, is there some sort of internal battery?

madkat
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Re: X40 No Boot, No lights All of a Sudden

#2 Post by madkat » Sat Dec 25, 2010 1:06 pm

It has a 3V coin-type lythium battery for bios - you can access it removing the keyboard.
ex: T30, TR451, TR453, R51, R52, X40, X60, R61, T400
X200 - P8600 2.66Ghz, 3G, 250G
G50-70 - 3558U 2.4Ghz, 4G, 1T

Harryc
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Re: X40 No Boot, No lights All of a Sudden

#3 Post by Harryc » Sat Dec 25, 2010 1:16 pm

Remove the battery, memory, wifi card, and hard drive. Press the power button 10 times for a second, then one last time for 30 seconds. Connect the ac and power it on. If it doesn't beep, the board is most likely dead. If it does beep try putting things back one at a time to see if you can find the culprit.

kennyschiff
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Re: X40 No Boot, No lights All of a Sudden

#4 Post by kennyschiff » Sat Dec 25, 2010 4:24 pm

@Harry, that worked. The only thing I didn't do was to pull the memory, but pulled the battery, Wifi card and the hard drive, and alas it booted right up after doing the key sequence you suggested. Put everything back in one at a time, same result. Is this thing dying? you have a theory on what's up with the machine?

Neil
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Re: X40 No Boot, No lights All of a Sudden

#5 Post by Neil » Sat Dec 25, 2010 4:36 pm

Don't put everything in at once. Put stuff back one at a time, trying to boot each time. Then, when you get to the part that prevents boot, you know where the problem is.
Collection = T500 - R400 - X300 - X200 - T61 (14" WXGA+) - T61 (14.1" SXGA+) - T60 (15" SXGA+) - X40 - T43p - T43 - T42p - A30P - 600E

kennyschiff
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Re: X40 No Boot, No lights All of a Sudden

#6 Post by kennyschiff » Sat Dec 25, 2010 4:41 pm

Neil wrote:Don't put everything in at once. Put stuff back one at a time, trying to boot each time. Then, when you get to the part that prevents boot, you know where the problem is.
I did this sequentially and booted with each new addition. Is there something magical about the key sequence?

Neil
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Re: X40 No Boot, No lights All of a Sudden

#7 Post by Neil » Sat Dec 25, 2010 5:22 pm

Magical?...IDK, maybe, but I think it just drains all electrical charge from the components, and sort of does a re-set. So, did it boot each time as you replaced components, until the last component was installed, then wouldn't boot? If that's right, it would seem that whatever component you installed last, is the faulty one.
Collection = T500 - R400 - X300 - X200 - T61 (14" WXGA+) - T61 (14.1" SXGA+) - T60 (15" SXGA+) - X40 - T43p - T43 - T42p - A30P - 600E

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