+ 0 Votes Well it's quite simple really OH Smeg 1 year ago You didn't use the Acer supplied Install Disc/Recovery partition and did not get the Install Method along with the Supplied Drivers. I would assume that you used a Windows Install Disc which doesn't have the Specific Drivers for your Hardware so you have to install it after you install Windows. Not sure what really happened with the Video Driver but if you go into the Device Manager and Right Click on the 2 listed and go to Proprieties and see what they say that they are should be a starting point. Also depending on how you installed the OS here you may have forced it over something and it's messed up the various Drivers. If you where using a Vanilla Windows Install you should first install Windows and then the Audio Driver and then the Video Driver if they where not loaded when you loaded Windows. Here I would start again with a New Clean Install after formating the HDD and then if you didn't keep the 2 NVidia Drivers download them again and install one at a time. It's also possible that the smaller driver of 24 MEG is the wrong one and I would suggest applying the bigger of the 2 NVidia Drivers first. If that doesn't work reinstall the OS again and this time use the smaller Video Driver. Of course if you didn't install Windows 7 Acer doesn't supply any drivers for a different OS so you'll have to hunt the necessary drivers for whatever version of Windows it is you are installing. Col + 0 Votes Easy to fix gt540m not detected Amir Ame 1 year ago you must first install the intergrated graphic(intel hd graphic 3000/4000)then you can install gt540m w/o any problem...im also using aspire 4755g + 0 Votes could be bad hardware databaseben 1 year ago If you were experiencing problems before hand and the re-installation couldn't fix the issue, then you likely have a hardware related problem. unfortunately, faulty hardware cannot be fixed via software and you will have to send it in for repairs. + 0 Votes Original Poster Here : Random Shutdowns aspacecake Updated - 1 year ago Hey thanks for the reply! I have since solved this problem (unsuitable drivers, you were right!) , and i have come up with yet another problem. Since the formatting, my computer shuts down every once in a while (an hour or two) and it's abrupt, as in the screen suddenly goes black and all lights turned off. I thought it was my charger connecting to the laptop port issue, but even after leaving the battery in the laptop still shuts itself off every hour or two randomly, thus i believe it is not a power issue. what steps should i carry out to take care of this problem? (ill keep monitoring this thread until the problem is solved ) edit: do let me know if i should start this as another question + 0 Votes Sounds like overheating issue. Craigceg 1 year ago It could be an overheating issue which is common in laptops that are several years old. You need to make sure the built up dirt, dust, pet hair etc is cleaned out of the CPU fan and exhaust vents. It is better performed by partially disassembling to get to the actual CPU fan than it is to just blowing through the vents. Blowing through the vents usually does not break up the big chunk of accumulated junk. Just a thought... + 0 Votes As for the unexpected shut downs OH Smeg Updated - 1 year ago Does this happen while you are using it or when it's idle? If it's while you are using it it's most likely a heat related issue which may be fixable by changing the temp in the BIOS that the system shuts down. If you have that option in BIOS change it to 90C for the shut down. If it happens when it's idle it sounds as if you have the system set to Hibernate and quite often this causes problems so it's a good idea to turn off Hibernation in the Power Options. . As stated above heat and NB's is a big issue and with a few years use the internal cooling vents get clogged with Dust and other Crud. You need to **** this out with Canned Air or something similar but don't use a Vacuum Cleaner as they generate Static in the Air Stream which is deadly to Electronics. If you use compressed air you also need to stop the fans from spinning because they also generate electricity when they spin and this isn't good for the electronics either. I personally always supply a Cool Pad with every NB that I sell to stop then getting clogged with Crud or having things sucked up against the bottom of them and blocking the air intake and causing overheating. I use Antec Cool Pads like the one here http://www.antec .com/product.php?id=72&pid=22 remember to remove the space from between antec and the .com for a link. But there are cheaper alternatives available on places like E Bay. Col + 1 Votes As a side note Slayer_ 1 year ago Ditch the acer drivers. Go to the nVIdia website, use their driver detection tool (it works really well for me) and download the latest drivers for your laptop. I did this on mine and it solved loads of problems, including Blue screens when locking windows. + 1 Votes Original Poster Here: Not overheating! aspacecake 1 year ago Really sorry that i forgot to mention earlier, but it's definitely not a case of overheating. The laptop is always very cool and the fan runs well, ive felt the cooling vents in events of sudden shutdown. I formatted it because i was having terrible load times in online games, always the last to load which was not the case a year back when i purchased it. Since formatting it runs much smoother and my load speed is good. I mostly use the laptop to game, so all my shutdowns occurred while gaming, not sure if related though. I'm trying the nvidia drivers as suggested by Slayer_, will update if i dont crash ever again, thanks for the help all sorry i made this thread so long + 1 Votes It could still be a Heat Issue. OH Smeg 1 year ago If the BIOS has it the heat setting could be set too low and cause this to happen. Ive seen cases where some BIOS's have been set to 50C shutdown which is way too low. Also what are the Power Settings in Windows here? That could just as easily be the problem. Col + 1 Votes OK that's fine OH Smeg 1 year ago Some NB's do not have the Shut Down Temps in the BIOS. This was introduced by Intel many years ago to save the CPU in the event of a Overheat. I've seen some M'Boards shut down the system when the CPU hits 60C which is way too low so that was what I was thinking above. Look in the Acer ePower Management Software for the Shutdown Temp or if that is not installed you'll need to **** out the Air ways of the NB to clean the crud out of it. You can also hit the Power Management of Windows to see if there is something there that shuts the system down but the Acer Software should override it though it just may not work quite right so you'll also have to check Windows as well as the Acer Power Management Software. Col + 1 Votes Does it shutdown while your using it? Slayer_ 1 year ago I have seen some laptops get glitchy when the lid is opened/closed because of breaks in the wires.