Time
5 hours 33 minutes
Difficulty
Beginner
CEU/CPE
3

Video Description

Troubleshooting Operating Systems Part 2 As we continue examining OS issues, we talk about compatibility, performance issues that can arise from updates, hardware, or a failure of some type and how to resolve those issues. Several good examples include installing software that isn't compatible with the Operating System, or what happens when there are too many applications running, what happens when a file fails to open, or a GUI interface displays incorrectly or doesn't launch at all. You'll learn how to diagnose these issues and where you can apply work arounds to accommodate them. For example, using a virtual machine solution to run incompatible software, or booting to Safe Mode to correct device, boot sequencing or correcting OS settings.

Video Transcription

00:04
so many problems we may have with our one. We're trying to run our operating system. We may run into some compatibility errors. We may have compatibility issues with certain application. And when we try to use it with our particular hardware or our operating system, whether it be because of our operating system version
00:21
or if our operating system is 32 bit or 64 bit
00:24
now, we may run into some compatibility issues. We may want to try to resolve these compatibility issues by using additional programs by running the applications in a different way. Are running them with reduced graphics or running them a CZ, an administrator or running them
00:39
with certain eyes running them as if they were in Windows X, P or a different version of Windows,
00:45
or if we're not able to resolve them. If this application truly is incompatible with our hardware or operating system, we may need to uninstall that application because if it doesn't work, then it's not gonna work with our hardware with our operating system. If we desperately need that application, we may need to consider switching to different hardware or different operating system,
01:03
or maybe even running it on a virtual machine or virtual environment.
01:07
We also have slow system performance now. Slow system can performance can indicate that we have heavy resource usage. We may want to open up a resource manager or a task manager and see what particular resource, whether it's our memory, our hard disk, our network connection or processor that is pulling and is ah,
01:27
having this hard time, which is spiking up
01:30
in which is using a lot of, ah lot of its available are most of its available processing power or memory space. Or, if we have, ah, very little disk space left. Now this having resource usage, we can check in our resource manager and see which programs are pulling these resource is.
01:48
Or if we're running a lot of applications, we may just need to tone down the amount of applications that were using.
01:53
Sometimes our operating system may be too heavy, maybe to resource resource heavy for the computer. We're trying to run our operating system on. If we have a computer with only 500 megabytes of RAM, we don't want to try, and we don't We can't run Windows seven on that computer,
02:09
so we need to make sure that we have a computer, that
02:14
it's it's hardware specifications are up to the minimum requirements of the operating system we're installing. Ah, lot of times are operating system won't allow us to install it if we don't meet the minimum minimum requirements. But even if we do meet those minimum requirements, we have to understand that we're squeaking by with the minimum requirements.
02:34
So our operating system made me extremely heavy
02:37
resource wise on our computer, so we may have some extremely slow performance. Now, If this performance is something that has developed over time, then our computers probably are. The resource is on our computer, probably fine. It's probably something else. It may be something like a fragment to drive. Our hard drive might be fragmented. So as we're tryingto work in us, we're trying to read and write. Data
02:57
are hard. Drive has to look all over the place in order to find it. So it takes longer,
03:00
so we may want to check for how fragmented are dry vis are in one of our previous modules. We talk about other issues that may be going on with our hard drive for slow performance. So we want to check those other issues as well, such as our BIOS settings. And if our hard drive might have some corrupted sectors of her hard drive, might be starting to fail.
03:19
We also may have malware on our system. Malware uses may use a lot of different resource is, especially if it grows to be very, very big or its opening back doors to let other malware in. So we want to check and see and try to do a malware scan, try to run antivirus scan or see if there's any processes that we don't recognize their running and they're trying. They're eating up our system performance.
03:40
And then it may just be that we have too many applications open if we have. If we're trying to run our computer, that has four gig four gigabytes of RAM on it and we're trying to run Ah, Windows seven operating system while stream while streaming Netflix as well as running
03:59
running photo shop CS six on there and we're also trying Thio run Adobe Illustrator at the same time. And then we're trying to play a computer game and we're trying to do this and that in the other, and we're trying to do all of these at the same time.
04:14
Then, yes, we're gonna have slow system performance, especially if our computers and have the resource is toe handle all of that.
04:19
We don't have a supercomputer. We don't have a super server under our desk that can handle all these dozens of applications at one time without any noticeable slow down. So we need to be aware of applications that we are using.
04:32
We need to be aware of background applications that may be eating up. Our resource is, and we might want to try. We might want to disable Bos, and I want to exit out of those
04:41
so that we can dedicate our system. Resource is to one application at the time.
04:46
Uh, now we may run its next. We may run into an issue Our computer boots into safe mode. Safe mode is a mode that our computer can boot into with reduced usability, but it also allows us to perform some troubleshooting and allows us to actually boot our computer
05:01
without actually without loading all the drivers and all this and starting all the service is
05:06
that we start when we normally start our computer now, we may boot into safe mode because our Windows settings were changed. There are settings inside our computer that allow us to select to boot to safe mode the next time we start our computer. And if we may, if we may have set that setting because we were doing some troubleshooting and then forgot about it
05:25
and now our computer booted and booted into safe mode.
05:28
So we may want to go in unchecked that box, and then we start our computer and we should be fine. Or it may just be that a normal boot has just failed, and it's now booting into safe mode. So we want to check, and we want to try another normal. We want to try another normal boot.
05:44
If that fails, we need to do some more trouble shooting and check some of our other sections where we talk about why normal booting
05:49
may have failed,
05:53
and then finally, we have a proper shut down our computer and properly shut down. If the power was removed from it, then our computer, by default, may select to run into safe mode. We start our computer, we may receive a screen that says your computer Shut down and properly Do you want to? But normally orbit into safe mode. If safe mode is
06:11
automatically check, their safe mode is automatically selected.
06:15
If we don't select any differently within a certain amount of seconds, our computer will just boot into safe mode. So if we booted, if our computer boots into safe mode, we aren't sure is going on. We just want to go and just check and make sure that our computer does isn't set to boot into safe mode the next time it boots,
06:31
then just try a reboot in it, and if it boots normally, then we should be fine.
06:35
Now what do we do if we have certain files on our computer that we can't open? Well, let's take a look.
06:41
That file may not be opening because it's in use. A lot of times we'll get a message to that effect. You were trying to open a file, and we can't because this files a shared resource and someone else is trying to use that file so only one user at a time, because only one person can modify that file at a time
06:58
we may have in valid permissions. We may try to go on open a file and we don't have permissions to view that file or we don't have permissions to write to that file. So we want to check and make sure that we do have the appropriate permissions to that file that if necessary, we we change those permissions or we contact the person who has the authority to change those permissions
07:15
so that we're able to open that file
07:18
and then lastly, and the one that we least hope that is, the reason that our file isn't opening is file corruptions data can become corrupted, especially if our Dr overwrites data to a bad sector or if something happens during the writing process that causes the data to a corrupt. Or maybe you have a virus that corrupted the file data
07:38
that we're not gonna be able to open that file. We may try to run some recovery software to
07:42
saved that corrupted data, save that corrupted information. But in the worst case scenario, that file may be unusable. We may not be able to open or recover that file because of the data corruption

Up Next

Troubleshoot Critical Systems

Diagnosing system malfunctions and finding a solution is an important skill for help desk professionals to develop. Expand your knowledge of the troubleshooting theory in less than an hour.

Instructed By

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Anthony Harris
Systems Analyst and Administrator at SAIC
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