Hi, This sounds like a combination of things. First of all, the minimum brightness sounds like your backlight is no longer functional. The black screen but signs of the unit being powered on would typically indicate your LCD panel is knackered, supported by the fact the brightness went just shortly before. The not powering on without a charger being plugged in is likely simply due to the battery being flat. As the screen isn't working, you can't see the battery indicator. When a laptop's battery is flat, it's common for it to power on automatically as soon as the charger is plugged in, both my laptops do this. If you want to go down the LCD panel replacement route, I've had good experience getting replacements from AccuPart.co.uk, have used them dozens of times for LCD panels. The actual replacement process is pretty simple, especially as you've already cracked your laptop open once. Just be careful threading the cables, particularly the WiFi antennae, through the hinges correctly or you risk shearing them...
Hi, Making slow PCs faster is part of my daily grind so I have a lot of tips for you here. I may not expand on everything but if you Google whatever words or terms you're not sure of then you will find plenty of hits on them. There's some good answers here already but to start with I would avoid registry cleaners, they benefit in no way for speed but do pose a risk breaking something. Also avoid any of these "speed up" programs that claim to take total care of your system, they can be ok but ultimately cost more system resources than is worth keeping them around for. To start with, lets make sure there's no dodgy program on the PC. Program cleanup You're gonna wanna check out what programs you have so load up "Add/Remove Program" or "Program & Features". As I mentioned, remove any of these "Speed up" programs and remove any "Toolbars". Pay attention to the "Publisher" column and any programs where you don't recognise the name of the program or the publisher, be suspicious of it. Typically if you Google the...