Question about Toshiba Satellite Pro 490CDT Notebook

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Unable to start

I recenctly done a disk clean up & defragmention since then i'm unable to get laptop comes up with error message that has performed an illegal operation.explorer.exe 0167:00401f31 registers.can you help thanks.

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Re: unable to start

Errors occur because the files on the hard drive become corrupted, replacing that file dose not take care every other problem the pc or laptop has

Only the re-install of windows and the drivers will restore your Pc or laptop.

If you can access your windows save the data you want then re-install windows and the drivers, its the only way to repair a software problem if its reoccurring it may be hardware related such as your hard drive needs to be replaced any way just some food for thought.


dosnt work you have to take the hard drive out and plug it into a suitable adapter then plug that into a pc or laptop to access your data.

Then transfer it to a storage device and reinstall your hard drive back into the Pc or laptop and re-install windows and then the drivers.


Posted on Nov 26, 2012

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Re: unable to start

Try booting in safe mode (F8) on boot up and highlight the line 'Start windows with last known good configuration' allow a re boot.

Posted on Dec 30, 2006

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My N100 notebook is very slow in process

if it is a windows computer, try running defragmenter and disk cleanup.
to run defragmenter, in the search box in the start menu (in vista and windows 7) and search "defragmenter" select the c drive, and defragment it.. while you're at it, set up a weekly defragment with the defragmenter schedule.
To run disk cleanup, search for "disk cleanup" in the same search box. select the c drive, and check all the things you want to clean up.
you can always just do a scan with your antivirus to check if theres a virus slowing your system down.

Oct 07, 2012 | Samsung N150 (36725723009) Netbook


How to speed up your computer's performance?

<p><b>Information:</b><br /> <p>There are some few guidelines that you can follow to maintain your computer and keep it running smoothly. <br /> <p><b>Free Up Disk Space</b><br /> <p>By freeing disk space, you can improve the performance of your computer. The Disk Cleanup tool helps you free up space on your hard disk. The utility identifies files that you can safely delete, and then enables you to choose whether you want to delete some or all of the identified files.<br /> <p><b>Use Disk Cleanup to:</b><br /> <p>&bull; Remove temporary Internet files.<br />&bull; Remove downloaded program files (such as Microsoft ActiveX controls and Java applets).<br />&bull; Empty the Recycle Bin.<br />&bull; Remove Windows temporary files.<br />&bull; Remove optional Windows components that you don't use.<br />&bull; Remove installed programs that you no longer use.<br /> <p> <br /> <p> <br /> <p><b>Tip:</b> Typically, temporary Internet files take the most amount of space because the browser caches each page you visit for faster access later.<br /> <p> <br /> <p><b>To use Disk Cleanup</b><br /> <p>1. Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Disk Cleanup. If several drives are available, you might be prompted to specify which drive you want to clean.<br /> <p> <br /> <p> <br /> <p>Disk Cleanup calculates the amount of space you will be able to free.<br /> <p>2. In the Disk Cleanup for dialog box, scroll through the content of the Files to delete list.<br /> <p> <br /> <p> <br /> <p>Choose the files that you want to delete.<br /> <p>3. Clear the check boxes for files that you don't want to delete, and then click OK.<br /> <p>4. When prompted to confirm that you want to delete the specified files, click Yes. <br /> <p>After a few minutes, the process completes and the Disk Cleanup dialog box closes, leaving your computer cleaner and performing better.<br /> <p> <br /> <p> <br /> <p><b>Speed Up Access to Data</b><br /> <p>Disk fragmentation slows the overall performance of your system. When files are fragmented, the computer must search the hard disk when the file is opened to piece it back together. The response time can be significantly longer.<br /> <p>Disk Defragmenter is a Windows utility that consolidates fragmented files and folders on your computer's hard disk so that each occupies a single space on the disk. With your files stored neatly end-to-end, without fragmentation, reading and writing to the disk speeds up.<br /> <p><b>Run Disk Defragmenter</b><br /> <p>In addition to running Disk Defragmenter at regular intervals, optimally monthly, certain events warrant running the utility outside of the monthly rule of thumb.<br /> <p>You should run Disk Defragmenter under the following circumstances:<br /> <p>&bull; You add a large number of files. <br />&bull; Your free disk space nears 15 percent. <br />&bull; You install new programs or a new version of Windows.<br /><br /> <p> <br /> <p><b>To use Disk Defragmenter:</b><br /> <p>1. Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Disk Defragmenter.<br /> <p> <br /> <p>Click Analyze to start the Disk Defragmenter.<br /> <p>2. In the Disk Defragmenter dialog box, click the drives that you want to defragment, and then click the Analyze button.<br /> <p>After the disk is analyzed, a dialog box appears, letting you know whether you should defragment the analyzed drives.<br /> <p><b>Tip:</b> You should analyze a volume before defragmenting it to get an estimate of how long the defragmentation process will take.<br /> <p>3. To defragment the selected drive or drives, click the Defragment button.<br /> <p>After the defragmentation is complete, Disk Defragmenter displays the results.<br /> <p>4. To display detailed information about the defragmented disk or partition, click View Report.<br /> <p>5. To close the View Report dialog box, click Close.<br /> <p>6. To close the Disk Defragmenter utility, click the Close button on the title bar of the window.<br /> <p><b>Detect and Repair Disk Errors</b><br /> <p>In addition to running Disk Cleanup and Disk Defragmenter to optimize the performance of your computer, you can check the integrity of the files stored on your hard disk by running the Error Checking utility.<br /> <p>As you use your hard drive, it can develop bad sectors. Bad sectors slow down hard disk performance and sometimes make data writing (such as file saving) difficult, or even impossible. The Error Checking utility scans the hard drive for bad sectors, and scans for file system errors to see whether certain files or folders are misplaced.<br /> <p>If you use your computer daily, you should try to run this utility weekly to help prevent data loss.<br /> <p><b>To run the Error Checking utility:</b><br /> <p><b>Important:</b> Be sure to close all files before running the Error-Checking utility.<br /> <p>1. Click Start, and then click My Computer.<br />2. In the My Computer window, right-click the hard disk you want to search for bad sectors, and then click Properties.<br />3. In the Properties dialog box, click the Tools tab.<br />4. Click the Check Now button.<br />5. In the Check Disk dialog box, select the Scan for and attempt recovery of bad sectors check box, and then click Start.<br /> <p> <br /> <p>In most circumstances, select Scan for and attempt recovery of bad sectors.<br /> <p>6. If bad sectors are found, choose to fix them.<br /> <p><b>Tip:</b> Only select the Automatically fix file system errors check box if you think that your disk contains bad sectors.<br /> <p> <br /> <p>Hope this will help...<br />

on Jan 17, 2011 | PC Laptops

1 Answer

How go i defrag my asus netbook

Try This:

  1. Open Disk Defragmenter by clicking the Start button 4f6cbd09-148c-4dd8-b1f2-48f232a2fd33_47.png, clicking All Programs, clicking Accessories, clicking System Tools, and then clicking Disk Defragmenter. 18abb370-ac1e-4b6b-b663-e028a75bf05b_41.png If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

  2. Click Defragment Now.

Disk Defragmenter might take from several minutes to a few hours to finish, depending on the size and degree of fragmentation of your hard disk. You can still use your computer during the defragmentation process

Aug 16, 2012 | ASUS Eee 701 Netbook

1 Answer

My dell vostro 1014 takes about 15 mins to start. then the screen goes blank and after about 5 mins the desktop icons appear.also the wireless LAN is not working.


You don't say which operating system you use.

It doesn't sound as if you have done regular maintenance.

Start > All Programs > Accessories > System Tools > Disk Clean Up > tick all the boxes except Downloaded Programs > OK > Yes > OK

Start > All Programs > Accessories > System Tools > Disk defragmenter > Highlight C: > Defragment.

Download good quality free software:

Eusing Registry Repair (

SuperAntisptware (

Malwarebytes (

Avast Home Edition (

If you install Avast you will have to uninstall your current antivirus.

regular maintenance with:

Disk Clean Up

Disk Defragmenter

Euring Registry Repair

Scanning on signs of corruption or infection with:




I hope this helps.

Aug 24, 2011 | Dell Vostro 1014 Laptop Computer

2 Answers

Laptop will not startup black screen

If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :-

Jun 15, 2011 | Acer Aspire One Netbook

4 Answers

The laptop so slow loding

Run System In Safe Mode: To identify the root cause of theproblem, first of all restart your system, press and hold F8 key. Do thefollowing once you are on the desktop. 1. Right click on Computer.
2. Select Manage.
3. Click on Event Viewer in computer management.
4. Double click on Application.
5. Check for the errors.
6. Similarly double click on System and check for the errors.
7. Search for the solution to this problem. Now you are able to easily diagnosewhy Windows laptop starts up very slow. b> Limit your Startup list: A long list of programs in startupcan adversely affect the performance of your PC. There are some programsrunning in the background without knowledge of user that causes Windows laptopto start slower. To solve the problem, follow the steps given below. 1. Click on Start button.
2. Type "msconfig" in search option.
3. Double click on the file.
4. Click on Startup.
5. Uncheck all unwanted programs.
6. Close system configuration utility.
7. You are done. b> Uninstall unwanted program: Sometimes Windows laptop starts upvery slow due to unwanted programs hogging your memory. To fix this problem,below are some steps. 1. Click on Start button on thetaskbar.
2. Go to Control Panel.
3. Double click on Add or Remove Programs.
4. In the list of programs, select the program that you no longer needed.
5. Click on Remove button.
6. Repeat step 4 for all unwanted programs.
7. You are done. b> Scan System for Viruses: Windows laptop may start slower due to any virus onyour computer. To solve this problem you should scan your system with somepowerful antivirus program. b> Run Disk Clean Up: Running disk clean up utility isalso helpful to resolve slow Windows start up. To run disk clean up utility,here are the steps given: 1. Click on Start button.
2. Go to All Programs.
3. Click on Accessories.
4. Now click on System tools.
5. Click on Disk clean up. b> Defrag hard disk: 1. Click on Start button.
2. Go to Command Prompt.
3. Type "chkdsk" and press Enter. b> Defrag Registry: You mayuse some safe program such as McAfee secured RegInOut to fix registry relatedissues.

Feb 26, 2011 | Fujitsu PC Laptops

3 Answers

How do I defrag

click on start menu, then go to programs, go to accessories, find the system tools click on it and look for disk defragmenter and youre done

Nov 21, 2009 | Acer Aspire 3000 Notebook

1 Answer


Try disk cleanup, do anything to improve memory, turn off everything except defrag. Check task manager, it'll show you what's using memory.

Apr 04, 2009 | Dell Inspiron 2650 Notebook

1 Answer

Taking more time to restat

Slower Startup / shut Down / Restart Speeds are usually due to a highly fragmented hard drive.

Run the disk defragmenter by going to start >>programs>> accessories >> system tools >> disk defragmenter

It may take a very long time depending on the size of your disks and the degree of fragmentation

Alternatively , consider using a paid software solution such as Tuneup Utilities which contains a better defragmenter that does the job quicker.

When the defrags done (may take overnight) , you should notice an increase in speed when starting up , shutting down , restarting , hibernating , launching programs and in Windows Explorer ie. My Documents , my computer etc

Hope this helps

Dec 31, 2008 | Compaq Presario C700T Notebook

2 Answers

Slow start-up

check if you have a CD left in the cdrom drive.
Lots of things can cause the start-up delay too:
- virus and spywares. Clean.
- bad sectors on hard disk (backup and plan for replacement)
- low physical memory. check in the Performace tab of the Taskbar (window$$$ only) PF should not be more than that of physical

Sep 24, 2008 | Dell Inspiron 6000 Notebook

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