Well, just guessing it's a Dell Inspiron 1501, here is a link to the manual. It shows you how to disassemble the laptop. To clean the fan, the best tool is a small unused paint brush less than 1 inch wide. It gets down under fan blades well. Can also use canned air to blow the fan out, just prevent the fan blade from turning as you blow air in it. ftp://ftp.dell.com/Manuals/all-products/esuprt_laptop/esuprt_inspiron_l...-1501_owner's%20manual_en-us.pdf Good Luck!!!
Unplug unit from the outlet for at least 1 minute then plug it back in. This should reset the microwave and the time will need reset afterwards. If that doesn't work do a search on how to reset your model of microwave.
Turn off the main power switch in back of PS3. Press and hold down the "Eject" button while turning main power switch back on. This should force the DVD to eject before the YLOD error pops up. If this does not work the first time, you may have to hold the "Eject" button longer while powering the PS3 up. Good Luck!!!
Not that this will help much, it's possible that the window is off track but it sounds like the steel cable inside the window motor has unspooled or broken causing the window to roll up but not stay. To determine either, the inside door panel will need to be removed. If attempting a fix on your own, you may search online for video of how to remove your door panel. It's not a difficult job with the right tools and certainly a lot cheaper to do on your own. A local junk yard should have a good window motor for $10.00 -$15.00, new ones are $40.00 and up. **** For a quick fix to keep window up, take a gum wrapper(or piece if paper that size) and fold it length ways 2 or 3 times and bend into a horseshoe over top of window and roll it up in the window. The paper should help hold the window from dropping back down. You may have to fold the paper to make it thicker depending on how tight the window channel is. You can also use some small pieces of duct tape instead of paper, that would last longer at least and...