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This page is a comprehensive resource for the HP ProBook 640 G3 laptop, providing both essential product information and detailed repair assistance. Users can find Troubleshooting guides for common problems, such as Overheating and Slow or Laggy Performance, along with Repair Guides for components like the battery, screen, and memory. The page also contains the device's Technical Specifications, including details on its display, processor, memory, storage, and interfaces. Finally, the Background and Identification sections offer key product context and help users confirm their device model.

Why my pc wont start

When i power on my pc lights on, a black screen with continously beep sounds.How am i suppossed to fix it??

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Beep sounds usually come in a repeating sequence, try counting them; there's usually a slightly longer gap between groups. At some point you'll find they're repeating, and that's when you have the "beep code" that can be looked up for troubleshooting. As an example, you might find they're repeating in a pattern like 5-3-4-1 or something similar.

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dvd piyar not open

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@assadnadeem Assad, please start your own question and be sure to categorize it as best you can and include the manufacturer and model number of your player.

Also, you need to elaborate on what the issue is. When you say "open", do you mean the door to load the disc won't open, or do you mean it won't turn on? The better description you give of the problem, such as when it started and what you've tried so far, the more help we'll be able to offer. What you've said so far is unanswerable; there's just not enough information for us to assist you.

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@sir_dm a continuous beep is common with BIOS issues. Start off with the easy things. Disconnect the power from the computer by unplugging the power cord from your computer. Disconnect all external devices from the computer. Now hold the power button depressed for about 30sec-1min. Reapply the AC power adapter and see if your computer does show any sign of life. You could also try to disconnect the battery.

Most common issue are drive and it is also possible that this is a bad RAM module or a bad LCD. So remove the RAM, clean the contacts with a pencil eraser. Do it gentle so as to not destroy the module. Replace it and restart. If you have more than one module, remove it and just leave one connected.

As you turn your computer back on tap the F10 key. This should load the BIOS setup utility.

Press F9 to load defaults.

Press F10 to save and exit.

Let us know what you find out.

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