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Acer Aspire 1640Z laptop PC *refuses to reboot/restart*

The only way to restart this machine is a hard boot by holding down the power button or hibernate - neither ideal.

Anti-virus/spyware is upto date, full maintenance has been done with System Mechanic (all clean), but the PC will not shutdown, and just sits waiting. CTR-ALT-DEL does bring up Windows security and the shutdown options, but no difference.

I can cherry pick which resources to deny loading in Sys Mech or msconfig but which ones? This may be irrelvant but service pack 3 was installed recently, and attempts to remove it failed not just on this machine but others I have been responsible for servicing.

Hope you can help - best wishes - Mark

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Ya go back make sure all latest drivers are instale d before u do sp 3 yes under msconfig go in ther then under startup tab disable all u dont need all junk starting with comp easting ram also after go to servcies next tab to left at bottem says hide microsoft products cheak that then anything left over u can uncheak then hit apply then close reboot k

Posted on Oct 08, 2008


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Posted on Jan 02, 2017


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My laptop wont logout and shut down

First push and hold the power button until it shuts off. Then do the steps below because you probably have some viruses and malware.

Start your PC and press F8 several times until the boot menu comes up. Then select "Safe Mode with Networking". Now get some or ALL of the FREE programs below.

Download, Install and Run Malwarebytes Anti-Malware:
When Installing choose the non-pro version.

Download, Unzip, Install and Run TDSSKiller:

Download, Install and Run Super Anti-Spyware:

If you have an outdated Anti-virus program then Download, Install and Run Avira Anti-Virus:
Make sure to select ALL of the "threat categories" when you install or configure Avira...

You should be in pretty good shape if you run and install all of these programs.

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How to Make Windows XP Startup Faster Steps 1.Click on Start, then Run, and type...

How to Make Windows XP Startup Faster
1.Click on Start, then Run, and type "msconfig". Wait for a new window to pop up.
2.Look under the "BOOT.INI" tab. You will see a box labeled "Timeout:", and a numerical value. By default, it's 30, which means 30 seconds of wait time before boot. This can be changed, using 3 seconds. (Note: if you have more than one operating system, this means the wait time to startup to the highlighted OS. you might want a bit more than 3 seconds)
3.Delete the temporary files periodically from your computer to make the applications run faster. Type %Temp% in the run dialog box by clicking on Start -> Run, and click on "OK". You will see an open folder with many files. Click on the Edit menu and click on Select all and then click on the File menu and select Delete. Note: Always confirm that the folder which is opened has a temp on the top of menu bar and the folder indicates that it is a temporary folder.
4.Perform a scandisk to see that your computer hard drive is in healthy condition and it helps your computer run faster.
5.Always perform a disk defragmentation at least once in a month. start the disk defragmentation from the system tools available in the accessories from the start menu. it takes a longer time and it is advised not to run any applications in the computer including the screen savers, while running disk defragmentation.
After you have done all this, another method you can do is to allow the computer to hibernate. Hibernation closes and opens Windows faster than normally. However, Hibernation is a good long-term solution, as it does not waste electricity.
1.Go to Start->Control Panel->Power Options. Click on the Hibernate tab.
2.Click on the box that says "Enable hibernation" to check it.
3.Click on the Advanced tab and change the Power buttons options if you want to hibernate by pressing the sleep button or the power button. Otherwise, holding the Shift key while in the Turn Off Computer menu will give you the option to hibernate.
4.Restart your computer every week or so to clear your computer.
The power can then be completely turned off, even at the socket so that no power is wasted.
1.Simply browse to the windows folder (Ex: C:Windows) and under there you should see the prefetch folder. Go into the prefetch folder and delete all the files (Careful! It should look like this c:windowsprefetch). We need to edit a registry key to tweak it. Open regedit and browse to this key:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory ManagementPrefetchParameters
Under this key you should see a value named: EnablePrefetcher
It has 4 possible values:
0- Disabled : The prefetch system is turned off.
1- Application : The prefetch only caches applications.
2- Boot : The prefetch only caches boot system files.
3- All : The prefetch caches boot, and application files.
We don't want to disable it entirely. This would actually make boot times *longer*. This is because this feature is also used to speed up the loading of boot files. That is why we are going to pick the number 2 option. It allows us to keep the advantage of caching system files, without continually clogging the system up with applications.
Set the value to 2 and reboot.
The 2nd time you boot it should boot much faster. Remember that the side effect is that launching individual applications once windows has loaded will now be slightly slower.
When installing new software choose not to add the program to the startup folder.
. Regularly check to see what programs are running from your startup folder as malicious programs such as spyware may have installed itself without your knowledge.
. If you accidentally uncheck a program, just retrace the steps above and recheck the program and restart your computer.
. Adding more RAM to a Windows XP computer helps it boot faster, and since RAM prices are very low these days, it's an easy way to boot faster.
. uncheck system startup unnecessary startup programs*
. Save any open work before making changes.
. Shut down all applications before making changes.
. Don't uncheck anything from Symantec or any other anti-virus or anti-malware software. Doing so may disable or hinder the protection of your PC.

on Feb 25, 2011 | Computers & Internet

4 Answers

My computer is freezing or not responding. Also downloads are being blocked completely

Sounds like you have a virus. boot into safemode with networking and download malwarebytes run that in safe mode. then restart into normal windows and run malware again. then i suggest downloading AVG its free and antivirus great program. also if you are using mcaffee dont use it. It slows your PC down way to much

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My lap top turn on go to windows then shuts down and turns back on

try to turn off the laptop and then remove cables & battery on it. Then press and hold the power button for 8 secs ryanpajaro20_15.jpg
Then, reinsert the cables and battery on it. And then turn it on, check if you still have the same problem. If symptom persist, consult your PC technician on it...

Apr 13, 2011 | Gateway M305CRV Notebook

1 Answer

Hi, machine boot up but I can't go to desktop. I can see a mouse pointer and it moves. But the screen is just black. My anti virus is active.

My guess is it's more than likely a windows 7 machine?

Turn on the computer and hold down the F8 key to access a DOS menu.

Enter the laptop through Safe mode.

Once Windows safe mode starts, go to accessories in the start menu, then system tool, then system restore and attempt to restore your system to a date listed before when this began.

Windows 7 seems to be a good operating system for restores.

Chances are it IS a virus/Spyware and unless you know which to use these days, the big names will always fool you.

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Lack of Virus information

It's not a virus, but a worm. It's intent is to hjack your browser. It will download things, like popups, and ads, that you would not want. You shouldn't need to worry about it if you keep your anti-virus and anti-spyware applications up to date. If you feel the machine is infected, restart the machine in safe mode, run a scan with your anti-virus/spyware software, and allow it to fix what it finds.

If you find my suggestions to be helpful, please share with us some details so that others may benefit from knowing the whole story. Thank you!

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Reboot computer

Download Any Anti Virus/Anti spyware software and update upto date and scan your system and remove all worms and trojans.

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1 Answer

Windows xp hangs at boot up.Shows background theme but takes forever just for icons to show up. Using ibm Thinkpad T42. Don't dare use any registry fix, last time it trashed my hard drive.

your symptoms sound as if you have a trojan or virus running in the background, i assume you have an upto date antivirus programme, if so start your pc in safe mode (press F8 key on startup) and then select start windows in safe mode, when you select your operating system, it will load the minimum of drivers and give an administrator account.

Click on this account and then run the antivirus and spyware programme, then restart your pc.

Aug 17, 2008 | Computers & Internet

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