ComputerDok – Computer Tips, Windows Guides, & Tech Tutorials

Maintain Your UPS Battery and Obtain the Best Performance UPS Battery Maintenance Tips As you purchase a new UPS, charge the UPS for a minimum of 12 hours before connecting it to any device. This will provide long life to the battery. As soon as the UPS is fully charged, connect it to the computer and run it in the backup support. But be careful that you don’t overuse the backup power. Please remember that the backup power of UPS is just a lifeline that you have to use minimally. It is advisable to turn the UPS off when you shut down the computer at night. If you let the UPS run all overnight, it will bring down the battery life. It is sensible to have the shutdown software installed in the UPS. This will shut down the UPS in a preset time thus preventing the over usage of UPS for computers. Never, ever overload your UPS by connecting printers, fax machines, or scanners to it. It is very important where you have placed the UPS. Settle it in a perfe...

Last updated: September 04, 202 6 RAM (Random Access Memory) is one of the most important components in your computer. Windows uses RAM to temporarily store the data and programs that are currently being used. When RAM becomes faulty, poorly connected, or insufficient for your workload, you may experience freezing, crashes, unexpected restarts, blue screen errors, and other problems. This guide explains how to identify and troubleshoot RAM problems in Windows 10 and Windows 11 . You will also learn how to test your memory safely before deciding whether it needs to be replaced. In This Guide What Is RAM? What Causes RAM Problems? Common Symptoms of Faulty RAM Faulty RAM vs. Not Enough RAM Other Problems That Look Like Bad RAM Test RAM With Windows Memory Diagnostic Check the Memory Diagnostic Result Test RAM Modules One at a Time Check Different RAM Slots How to Clean RAM Safely Check How Much RAM Your Computer Has What to Do If RAM Fails the Test What If RAM P...

            Getting used to using your keyboard exclusively and leaving your mouse behind will make you much more efficient at performing any task on any Windows system. Use the following keyboard shortcuts every day: Keyboard Shortcuts [Alt] and [Esc] -  Switch between running applications [Alt] and letter -  Select menu item by underlined letter [Ctrl] and [Esc] -  Open Program Menu [Ctrl] and [F4] -  Close active document or group windows (does not work with some                                                                  applications) [Alt] and [F4] -  Quit active application or close the current window [Alt] and [-] -  Open Control menu for active document Ctrl] Left., Rt. arrow -  Move cursor forward o...

System Repair Disc If Windows 7 won't start or starts with significant problems, you may need to use the System Repair Disc to fix problems with Windows 7. The System Repair Disc is designed to let you boot up Windows — even if nothing else works — and provides you with several options for repairing your failing system.( Create a System Repair Disc )  You need to create the system repair disc. If you don’t create one, you limit your recovery options. The system repair disc is not the same thing as the recovery disc that came with your computer. It won’t reinstall Windows 7 and it won’t reformat your computer. It's simply a gateway to Windows' built-in recovery tools. Insert the System Repair disc in the DVD drive and restart the computer. If necessary, turn off the power, count to ten, and turn the power back on. For just a few seconds, the screen displays Press any key to boot from CD or DVD. Press any key. Click Next. If you aren't quick enough, yo...

Windows 7 If your computer came with a Windows 7 DVD, you can use that DVD to repair your system, including restoring a system image created in Backup and Restore. If you don’t have a Windows 7 DVD, you need to create a System Repair Disc for this purpose. Restoring a system image resets everything back to the way the computer was before it crashed. Without a System Repair Disc or the original DVD, you’ll need to start from scratch. Many computers come with a Restore Disc, which restores your computer to factory condition. A Restore Disc isn't the same as a Windows 7 Repair Disc. You should have both. 1. Open the Start menu and type backup. Choose Backup and Restore. The Backup and Restore window opens. Backup and Restore 2. Click the Create a System Repair Disc link. Backup and Restore The Create a System Repair Disc dialog box appears. 3. Insert a blank DVD into your DVD drive. 4. Click the Create Disc button. Windows 7 prepare...

32-bit and 64-bit Will this 32-bit software run on my 64-bit operating system? Or Will this 64-bit software run on my computer? If you've asked these questions then this tutorial should help you to understand the concepts of 32-bit and 64-bit computing. We'll look at your computer system as three parts: the hardware, the operating system and the application programs. 32-bit versus 64-bit As the number of bits increases there are two important benefits. • More bits mean that data can be processed in larger chunks which also means more accurately. • More bits mean our system can point to or address a larger number of locations in physical memory. 32-bit systems were once desired because they could address (point to) 4 Gigabytes (GB) of memory in one go. Some modern applications require more than 4 GB of memory to complete their tasks so 64-bit systems are now becoming more attractive because they can potentially address up to 4 billion times that many loca...

Using Windows ReadyBoost to Increase Performance in  Windows 7 Readyboost What is ReadyBoost ReadyBoost is a feature of Windows Vista and Windows 7 and windows 8 that uses a USB flash drive for caching.  This allows Windows Vista or Windows 7 to service random disk reads with performance that is typically 80-100 times faster than random reads from traditional hard drives. For a USB flash drive to be compatible, it must conform to the following requirements:  The device should have an access time of 1 ms or less.  The capacity of the USB flash drive must be at least 256MB (250 after formatting).  The device must be capable of 2.5 MB/s read speeds for 4 KB random reads spread uniformly across the     entire device and 1.75 MB/s write speeds for 512KB random writes spread uniformly across the device  The device must have at least 235MB of free space ReadyBoost supported features/capacity:  On Windows Vista, the larg...

Hard Drive Sometimes your computer is noticeably slower or programs "hang" when you access certain files. This problem might occur because there are errors on your hard disk drive. You can troubleshoot the problem by using the Disk Check tool in Windows 7. Disk Check can identify and automatically correct file system errors and make sure that you can continue to load and write data from the hard disk. You can use Disk Check in Windows 7 not only for local hard drives, but also for removable media such as USB memory sticks or memory cards.   Please make sure that you close all open programs and files before you start the disk check.  1. Click the Start Windows icon.  2. Click Open computer 3. Right-click the drive that you want to check.  4. Click Properties >  Click the Tools tab >  Click the Check now button. 5. In the Check Disk <disk name> window, select the automatically fix file system erro...

No sound in Windows Check hardware Many sound problems are caused by hardware that isn't set up properly. This step covers checking your sound card, plugging cables into the correct locations, making sure the hardware has power, and checking the volume. 1. Check your sound card Check to make sure your computer has a sound card, or sound processor, and it's working properly. 1. Open Device Manager by clicking Start , pointing to Control Panel , clicking System , clicking the                Hardware tab, and then, clicking Device Manager. 2. Double-click Sound, video and game controllers to expand that category. If a sound card is listed, you         have one installed. If no sound card is listed, check the information that came with your computer to see         if there's supposed to be a sound card installed. If there should be a sound card installed, you'll need to       ...