Detailed dootronics update as per 21.02.2016. Currently in Ban Phonegneng, elementary school: 000003445 - works fine 000003669 - works with limitations: BIOS problem, pressing F12 very fast during startup, helps to circumvent this. 000004128 - works fine after audio driver corrected 000004737 - works with limitations:  2 lines on screen (but not affecting operation), wifi driver not installable before downgrading to Win XP Currently in Nakang (neighbour village), highschool: 000002774 - works fine 000003132 - works fine 000003190 - works with limitations:  screen does not extend to full screen size (but not affecting operation) 000003402 - works fine 000003439 - works with limitations: Internal mouse left button broken, works with external mouse Keyboard keys o, j, b, n, m, ',' broken. Works with "on-screen keyboard" but slows down operation 000003440 - works fine 000003441 - works fine 000003442 - does not work at all: No start up, probably damaged because of missing battery (plugging in a battery also doesn't help to do the start up according to IT teacher): 000003443 - works with limitations: problem to run CDs, plugging in another CD drive does not fix the problem 000003444 - works fine 000003446 - works fine 000003462 - works with limitations: Shuts itself down after 5-10 minutes due to overheating and battery needs to be replaced (works only when plugged in) To remedy the overheating, a fan next to the laptop prolongs running time. The following repair fixes have been attempted, but where not successful: - clean fan - update BIOS - installing fan control software - disassembly of laptop to fix fan, but probably internal fan electronic has been broken broken, as all connections down to the motherboard were intact. --> need to buy a new fan. 000003586 - works with limitations: battery has been lost, laptop operating only when plugged in 000003587 - works with limitations: screen got torn off completely. Works fine in combination with an external monitor. 000003588 - works fine 000003664 - works fine 000003670 -works fine 000003842 - broken fan? Needs to be doublechecked. 000004129 - works fine 000004152 - works fine 000005104 - works fine #6067 (000006067) - works fine #6063 (000006063) - works fine There was another issue on multiple laptops, with being able to print in MS Word, but not Excel. Can only be fixed by RegEdit (not advisable for locals).