When I turn on my Gateway laptop, it changes my screen resolution from 32 to 8. I change it back to 32, but it changes again. After I change it again, it will stay at 32 until I shut off, and then as I turn it back on I must go through it all again.
I'm assuming that you're referring to "millions of colors" with the numbers 32 and 8 (although 8 is an odd setting). It sounds like the software drivers that control your video adapter have gone awry. Download a fresh install of the latest drivers. If your video adapter is a separate card, sometimes reseating it into its slot can fix intermittent problems.
I have a Sony Vaio with Windows XP that I purchased in 2003. It has two hard drives: C with a capacity of 16 GB and D with a capacity of 58.56 GB. My problem is that the C drive now only has 11 percent free space, which is making the computer slow. But the D drive has 86 percent free space. I used Windows Commander to move some program files from C to D, but that doesn't make much difference. Is there a way to change the partition between C and D? If not, is there a way I can move most of C to D without affecting the operation of the computer?
If your PC has only one physical disk drive partitioned into a C and D drive (which I know used to be popular on Sony PCs), then something like Symantec's Partition Magic may be able to change the partition sizes. But this won't do anything to make the PC disk access more efficient. If you have two physical drives, then I'm not sure there is a cost-effective fix. What you would do is create a disk image of your C drive on your D drive (of course, back up the contents of your D drive first, since the contents would be lost in the imaging). After this is done, you would need to tell the computer which drive to boot from. This is done either by switching the cabling of the two drives and/or through the BIOS. You would need to purchase disk-imaging software. I realize that this is not particularly easy to do and I'm not sure how worthwhile it would be on a 7-year-old system. My recommendation: Move as many user files as you can off the C drive to get about 20 percent free and then live with it.
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