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Details / Search
Search Jeff Levy's Lessons
For those who don't know, Jeff Levy has a radio show with which he helps people with their computer problems. Occasionally he gets things wrong, so I take that opportunity to publish the correct information .
VxD - Virtual Device Driver
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January 11, 2003 A caller had bought a CD full of games, but when he would start it there would be an error message saying: "This program requires at least 3 Megabytes of free Virtual Memory to run." To which Levy said, "You got a bad disc, there's something wrong with those games. Because XP is really good at putting out RAM, and you got a Gigabyte of RAM."
Reply While it is a very small possibility that the disc is bad, what Levy didn't pickup on was the difference between RAM and Virtual Memory. Otherwise, he would have asked the caller what he had set his Virtual Memory at. Had Levy asked him, I'd bet that the caller would have said 2 MiB (the minimum allowed) thinking that the more RAM you have the less Virtual Memory you need. Even with a Gigabyte of RAM, the Virtual Memory should be to set near or above the amount of RAM. Some suggest setting it to 1.5 times the amount of RAM.
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January 8, 2003 Happy Birthday Jeff Levy. Although I've taken issue with some things you say, I must congratulate you and wish you good health. Why? You may ask. Well for two reasons: 1. My Dad just had a birthday, and even though State Fund wishes he wasn't walking and talking, I'm glad he is. And 2. I was inspired by my Mother's trick, to send Levy a birthday card. So I bought a 'What Would Jesus Do' card, then replaced the Jesuses(?) with Jeffs. Then made my own message and glued it over the original. Here's two pictures: Front and Message. The total cost was about $3.00, which is more than I spent on my sister's adjustable cheese slicer (99 cents).
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January 5, 2003 A caller asked if there was, "some way to get the Task Manager down into your System Tray...so that you could always kinda check and see what your resources are." Levy replied, "Not that I could answer in the time I have. That would be a registry tweak." He then handled two more callers before going to break.
Reply I think the caller was thinking of the Windows 9x Resource Meter (rsrcmtr.exe). In Win9x, click Start, Programs, Accessories, System Tools then Resource Meter. In NT (2000/XP) you get the Task Manager by right clicking the Taskbar and choosing Task Manager.
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January 4, 2003 A caller asked Levy where he could get a wireless keyboard that would go 100 feet, and also a way to get the computer's video output onto a TV at a distance. Levy said, "I don't know that you could get a wireless keyboard that's gonna go that far." He didn't respond to the second half of the question.
Reply Long range wireless keyboards do exist, they use RF (radio) instead of IR (light). Here's a link to one that goes 100 feet, thanks to Harry for the link. As for how to get the video card's output onto a TV. The first thing is getting the picture from the computer's format to the TV's format, this is done with a scan converter or with a video card that can output to a TV, like the ATI All-in-Wonder cards. The next problem is how to get the converted picture to a TV that's about a hundred feet away. Using a really long cable is one way, but the signal could get weakened by the distance. So a better way would be to use something like the Radio Shack Wireless Audio/Video Sender (model #: 15-2572).
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December 29, 2002 The caller was thinking about putting a new motherboard in his Packard Bell. Levy warned that he would have to buy a new chassis (case), "because the Packard Bell motherboards are pop-riveted into the chassis."
Reply Not all Packard Bell motherboards are pop-riveted, I even dug out a PB machine from my library and verified that it used screws. However, the caller may still need to buy a new case if the old one is an AT. Because the new motherboard will use the ATX form factor (which uses a different power connection and mounting hole postions).
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December 29, 2002 A caller with a Mac wanted to know if it could be infected with the Klez worm. Levy's answer: "Depending on whether you're using Microsoft products or not. If you're using Microsoft products, yes it can."
Reply MS products or not, Klez will not infect a Mac. The caller thought he may have been infected because people were emailing him saying that he had sent them the Klez worm. This happened because Klez spoofs the From address, giving the impression that it was sent from someone else.
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December 29, 2002 While helping a caller who had very low data rates on his hard drive, Levy said, "in the old days we called that kind of a problem Stiction." When the caller asked if the drive could be lubricated, Levy responded, "nah they're sealed, hermetically sealed."
Reply Stiction is when the drive's platter(s) won't spin up at all because the Read/Write heads are stuck. Consumer hard drives are NOT hermetically sealed. They contain what's called a barometric (or breather) filter to allow the internal pressure to equalize with that outside the drive. However, there are some special use (e.g. aircraft) drives which ARE hermetically (but not vacuum) sealed.
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December 28, 2002 The caller's computer gave the error message: "Searching for boot record on IDE-0..OK. Invalid system disk." Levy's solution was to copy command.com from a Startup disk to the C: drive. He then said, "If the boot record...is physically okay that should do it." And, "If the boot record...is physically damaged, then that's another story." Levy then explained, "What you're doing is putting the bootable file command.com, where it needs to be."
Reply Problems with the boot sector are NOT problems with command.com. Boot sector errors can be caused by a crashed/broken or badly connected drive, and by data corruption among other things. The boot sector code is not a file, but is written when the drive is formatted or when you use the program sys.com (for DOS/non-NT drives). Lastly, command.com is not a bootable file, it is the Command Line Interpreter. Command.com is loaded by the io.sys file, which is loaded by the boot sector code. Also see the errors for June 15, 2002.
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December 22, 2002 A caller wanted to know how to get the directory tree view in Windows XP's Explorer. Levy told him, "you just have to go look."
Reply The default left pane contents for WinXP's Explorer are set to show information about the current folder and different actions that can be performed. To have the left pane contain the directory tree view, open Explorer and at the top, click View then move down to Explorer Bar and click Folders.
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December 22, 2002 The caller couldn't get a large Mpeg video file written to a CD. Levy said, "Well a CD's 450 megabytes, what's the problem?" Next, the caller asked how to get the Mpeg video output to a video tape. Levy answered, "You're gonna need some fancy hardware for that...you're gonna need special software for that...you're gonna need a specialized card do to that. I'm not sure that there's anything I can recommend for you."
Reply A CD can contain upward of 700MiB (originally only 650MiB). Next, the caller isn't producing a TV show, he doesn't need a Video Toaster or anything expensive. A scan converter will work just fine. A scan converter connects between the video card and the monitor, and another plug on the converter gets plugged into the TV or VCR. Then everything that is seen on the monitor is also seen on the TV/VCR.
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December 21, 2002 A caller wanted to know when the day would come that a consumer would be able to build their own laptop. Levy's answer was, "I don't think that's gonna happen for a while. Because there are some issues about static electricity, and you gotta work at a bench and wear a cuff that discharges the electricity."
Reply If there was a large enough demand for home built laptops, the Manufacturers would see to it that the components were available. The use of Anti-Static Wrist Straps and other Anti-Static products is not unique to laptop construction. ANYTIME you handle computer components you should use a static discharge system.
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December 15, 2002 The caller said that he had an eOne, and that its floppy drive wasn't working. Levy told him to clean out the drive, but the caller said he'd tried cleaning it already. So Levy suggested he replace the drive. "Go to any of the computer stores and buy a floppy drive...now, here's the trick. There are two connections to the floppy drive, there's a power connection and there's a data cable connection...it's a very simple install."
Reply Levy would have been correct except for the fact that the caller had an eOne. The eOne was a PC that was similar to the original iMac, in that all it components (such as the CRT, the motherboard and the drives) are all in one case. And that is where the problem comes in, the floppy drive in the eOne is NOT a standard off-the-shelf drive. It relies on the outer case as its bezel but most important is that it does NOT use the standard cable interfaces (which Levy described), it instead uses a single ribbon cable for both data and power. The easest way to fix the caller's problem would be to buy an external usb floppy drive. This page tells how its owner upgraded his eOne to Windows XP.
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December 15, 2002 After reinstalling Windows 98SE, the caller was now being asked for a network password. Levy first had him delete any .pwl files, but he didn't have any. So after trying some other unsuccessful solutions, Levy had the caller open the Network control panel and tell him what was listed. As soon as the caller said "Client for Microsoft," Levy told him to remove it.
Reply Removing the Client for Microsoft Networks will cause even more problems. One of the new problems will be Dial-up networking not saving the password, and other networking problems. What the caller needed to do was use the Network control panel to change the Primary Network Logon to the "Windows Logon" or the "Windows Family Logon." See this page for info about Win9x network password setup.
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December 7, 2002 The caller's computer kept giving her the error: "WJView Error. ERROR: Could not execute MAIN: The system cannot find the file specified." Levy's solution was to open regedit, search for "MAIN," and delete the reference.
Reply WJView is Microsoft's Java class loader. On my test system the registry contained 171 Keys and Values which contained the term "main." And deleting them would not fix the caller's problem, but instead would cause severe problems. Instead the caller should run msconfig and under the Startup tab uncheck any entries which are loading .class files and/or wjview. I've also heard that Limeshop, which is installed with Limewire, can sometimes cause this problem. It too is listed in msconfig.
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December 7, 2002 The caller accidentally moved the System Tools folder from the Start Menu, to the desktop, and wanted to know how to put it back. Levy's answer was, "Ah it's pretty easy, just reinstall windows."
Reply Let's see take 20+ minutes to reinstall, or 10 seconds to drag it back. There's two ways to fix the caller's problem (in under a minute): 1. Right click on the folder and with the button still down, drag the folder to the Start Menu (don't let go yet), when the Start Menu opens move the cursor up to Programs, then Accessories. Then, where you'd like the folder to be, let go of the mouse button, and in the new menu choose Move. 2. Right click the Start Menu and choose Open. Now use the regular Explorer window to navigate to the Accessories folder. Now just right click and drag the folder that's on the Desktop, into the Explorer window. Let go of the mouse button and choose Move.
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December 7, 2002 After installing a new hard drive and installing Windows XP on it, the caller now has a boot menu which lets him boot the Operation System that's on the old drive or WinXP on the new drive. The old drive and its OS works fine, but WinXP won't load and says the file hal.dll is missing. When the caller was done explaining the problem, Jeff Levy said, "That drive is not set as bootable...use fdisk and make the partition active."
Reply If the proper partition wasn't active there would be no boot menu, it would cause an error along the lines of "Missing Operating System." The caller's problem could be caused by a misconfiguration during the install or, exactly what the message says: the hal.dll file is missing. Reinstalling should fix it, or using the Recovery Console to take a known good copy of the file and copying it to the proper directory. Note: Hal.dll is the NT (2K/XP) Hardware Abstraction Layer.
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December 1, 2002 The caller's Windows 98 computer would slow down after using it for a while. Jeff Levy told him to empty his internet cache, then asked how much of his hard drive was being used. To which the caller replied that it was a 13 Gig drive with about 2 Gigs left. At that point Levy said, "That's part of your problem...once you've used that large a percentage of your hard drive, the computer has to work awfully hard to find and run a program. It goes through a lot, a lot, of hard drive space."[sic]
Reply A completely full drive goes through as much work has one that is nearly empty. However there are two things which do affect a drive's data rate: Fragmentation, which is when a file is split into several piece on the disk. And to a lesser extent, placement of the data on the drive, because on some drives the inner tracks can be read/written faster than the outer tracks (on some it's vice-a-versa). Most importantly, none of these things are causing the caller's problem, because a drive's state doesn't change from the time it is shutdown to the time it's restarted. And rebooting would get the caller's computer running again for a while. What the problem could be is, a virus or other malicious program or, a badly written program that may be reeking havoc on his Resources or stuck in a loop and is hogging the CPU.
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November 30, 2002 A caller had two equal size drive partitions but wanted to have one partition bigger than the other, but not lose any of the data. Levy suggested he buy Partition Magic, but the caller wanted to know if he could use fdisk instead. The caller asked, "if I do choose to do it with fdisk, do I have to worry about it destroying the data?" Levy replied with, "you might. If you do it wrong you'll lose everything." Levy finished with, "Let's see, fdisk risk. Partition Magic, no brainer."
Reply Fdisk has no risk, it ABSOLUTELY will *invalidate any pre-existing data. Fdisk is designed to simply create and edit the partition table, it is a destructive partitioner. Whereas Partition Magic is a non-destructive partitioner, (or destructive/reconstructive). *The word invalidate was used because the data is still on the disk but, without a very recent backup of the partition and file tables, it would be best to engage a data recovery specialist if it needs to be retrieved.
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November 23, 2002 The caller installed Windows XP Pro and now had a dual boot system (between XP and NT4). But she only wanted one Operating System. Levy's reply included: "that's a major project," and, "you're gonna have to do a reformat, and I don't want you to have to do that on your own." So he then gave her the phone number for one of his friends.
Reply To remove NT4, which is what the caller finally settled on, you just need to delete the folder that contains Windows NT (such as WinNT or Windows). Then edit the boot.ini file to remove NT4's listings. Note: The boot.ini file is a read-only file, so it must be made writable before it can be edited. Also, there may be NT4 related files within the Program Files hierarchy which would need to be deleted on a case by case basis.
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November 17, 2002 The caller wanted to install Windows 3.1, on his Win98 computer. After Levy told him how to do it, as well as suggesting the he instead use Win3.11, the caller asked if there would be any problems with FAT32. Levy's response was: "No. No, as a matter of fact 3.11 will let you run FAT32, that's a file system."
Reply Out of the box Windows 3.x can NOT access FAT32 volumes, partly because Win3.x is not an Operating System but a windowing system that sits on top of DOS. And all versions of DOS prior to 7.1 can't access FAT32. There are however two ways to access FAT32 from Win3.x. One way is two use a FAT32 driver for DOS 6 (or lower). The other way, is to use a patch that's floating around that allows Win3.1 to be loaded from DOS 7.x. Note: The first system to use FAT32 was Win95 OSR2.
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November 16, 2002 After rebooting from Safe Mode, the caller's desktop icons where all rearranged. Levy told him to find and delete the file ShellConCache.
Reply It's Icon, not Con. But what's worse is that deleting the ShellIconCache can cause the desktop icons to lose their placement, the exact problem the caller had. Because the icon placement data is stored in that file. Microsoft has even addressed the exact same problem the caller had. (Safe Mode deletes and re-creates the ShellIconCache file)
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November 10, 2002 After reinstalling Windows XP Pro, the caller realized his drive was now FAT32 but he wanted to have NTFS. His question to Levy was if he reformatted to NTFS would he lose all his settings and files. Levy's answer was yes, he would lose that data.
Reply While Levy is correct that he would lose the data, what Levy failed to mention was that the caller could convert his drive to NTFS (using convert.exe) without reformatting. Here's two pages that show how: Here and Here(for XP).
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November 9, 2002 The caller was having a strange desktop icon problem, so Levy suggested he search for the file: "Shell Con Cache dot asterisk." The caller, who was following what Levy was telling him, said that the computer couldn't find the file. To which Levy replied, "rather than try it with me, just listen to it."
Reply The file ShellConCache does not exist, however the file ShellIconCache does. The two Ls in Shell are mixing with the capital I, making it hard to see the I. Besides which even when spelled right, if you search for shelliconcache.* (dot asterisk) you won't find the file because it does not have an extension, thus no dot.
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November 3, 2002 While reading the lesson, which dealt with the Registry, he inserted: "you'll see a series of odd looking names, they're called keys, they're actually folders."
Reply While he's right that they're called keys, they are not actually folders. The Registry Editor just uses the folder icon as part of its representation of the hierarchy within the Registry. This very technical article has information about the internals of the Registry.
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November 3, 2002 When Levy wanted the caller to reboot his computer, Levy told him to press Ctrl-Alt-Delete twice. Well Su-prize Su-prize, when the computer started to reboot, it wanted to boot into Safe Mode. Note: The caller's machine had not crashed or locked up, he just had a printer problem.
Reply To paraphrase Microsoft: 'Don't do it.' Ctrl-Alt-Delete (X2) is the ejection seat of Window's reboots (excluding NT based systems), it's not the proper way (clicking Start/Shutdown, etc.), and can cause file corruption. Ctrl-Alt-Delete (X2) should only be used when the system has crashed/locked up. It's funny that even though MS says not to reboot that way, it's one of Jeff Levy's top suggestions for quick rebooting.
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Copyright 2005 - Ken Nign
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