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If your laptop is using Windows SP then you should install Service Pack 3 (SP3), it contains updares and security fixes. It will not cause any menory problems. You should have virus protection installed on your laptop.
Make sure first that there are no devices plug in to the usb when you boot up the computer. Check if the harddrive is being detected by the computer. Press F2 to go to BIOS menu and see if the computer can detect you harddrive. It should be under the main menu and will say below harddrive. It should give you infromation of the harddrive. If there is no information of the harddrive then the problem there is the harddrive already.
You can't tell if anything is wrong just by appearance.There's no way of knowing what the problem is without testing the components or by removing all hardware except the ram to see if it boots.If it doesn't then you need to try different ram sticks.If you try known working ram and it still won't show video for the bios then the screen may be bad (check with an external monitor)if not the video card may be bad.
This usually means 1 of a few things.. 1. Your Harddrive is bad 2. You got a boot sector virus, and your boot ini file is so badly infected, your computer can't find the boot file and you need to format your c:\ or d:\ drive....if you can get to your CMD window (command) but the way you bring it up is from CMD in start/run/CMD but since you can't even boot to your desktop...then you can choose a few options..
IF you have your your Windows Xp, or Windows Vista or Window 7 (depending on how you purchased your system, I'm thinking XP...since with Vista and Windows 7 you can reload to factory settings)
If you do have the disk....then you WILL have to reload your Operating System ....IF your harddrive isn't bad (have bad sectors or clusters) or is just "old" or was bumped severely and there's a dent on your harddrive preventing your boot ini file from being found...
There are so many things that could be wrong with it....Send me more infomation.... It's definitely NOT your motherboard...it's a harddrive issue...whether from a virus (which there are many out there that could infect or even rename your boot file....or your harddrive is BAD.. Either way...let me know and I can help you further!!!
If the HDD is not recognized in the BIOS, windows will not be able to install on that drive. Did you move the HDD interposer from the old drive to the new one? (t is a small adapter that plugs on to the pins of the drive.) If you did, reinstall the interposer on the old drive, ensure it still works. If neither drive functions, then you may have a bad motherboard.
0x0000007B normally occurs when you try to install an older version of WIndows XP on a system with a newer HDD controller and the XP CD doesn't have the correct driver for the HDD controller. So if you get an error like this after getting the HDD to be recognized by the bios, then you may need the HDD controller driver too.
Dont be hasty! First of all, not all ram and motherboard are created alike.
1. go to the specifications of the RAM and find out what voltage its expecting from the motherboard. this may require just looking at your receipt or going the the manufacturers website and looking at the specs or calling them.
2. check your motherboard manual or access it from the manufacturers site and check the highest voltage that it will supply to the RAM.
if the RAM Needs more voltage than your motherboard supplies, it will cause the symptoms your describing. In this case you will need to find some PC4200 ram that runs at your motherboards voltage.
I have ordered many barebone computers that were shipped with upgraded memory that wouldnt work on that system, the sales people are more interested in selling than checking the specs.