I received a used X200 recently that came with Win7 installed and wanted to do a fresh OS install after I cleaned it out, re-pasted the heatsinks and the like.
I reassembled it - and to my horror - I'm not getting any image to the monitor at all! Typically it will turn on for 3-5 seconds, and then turn itself off. It will then turn on again a few seconds later, and stay on.
The capslock and numlock lights flash, and the battery/on lights stay on solid.
I'm new to the forum so in the hopes of pre-empting the obvious questions:
-I've serviced my home computers for about 12 years now, including various laptops, so I know what not to do. I haven't torn any ribbon cables and I was very careful, making sure the battery and PSU were disconnected at all times.
-It was absolutely working when I received it; only after reassembly did this problem arise.
-I have put everything back where it is supposed to be.
I've tried replacing several components, none of which have resolved the problem:
-Different RAM (PC8500S 2x2GB, PC10600 2x4GB PC12800 2x4GB, none)
-Different Screen (X201 Screen)
-Different BIOS battery (tested, from my X201)
-Different Hard Drive (blank), no hard drive
I tried plugging it into an external monitor and did not get a signal.
I've also tried pushing the on/off button 10 times, holding it down for 30 seconds, and no help.
I've searched the net and couldn't find anything conclusive - apologies if I'm missing something mega obvious.
Let me know if you need any more details, and I appreciate any help I can get.
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