Samsung NP-R20 series User Manual (English)

Questions and Answers:

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Anthony WalkerAug 22, 2025
How to fix 'Invalid System Disk' message on Samsung NP-R20 Laptop?
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  williampetersenAug 22, 2025
  If your Samsung Laptop displays the message "Invalid System Disk. Replace the Disk and then press any key", first, ensure that any connected USB memory or CD media does not contain bootable data. Then, check if the signal and power cables are securely connected to the hard disk drive. Next, verify that the hard disk drive is recognized in the BIOS SETUP. If the issue persists, the operating system on the hard disk drive might be corrupted, and reinstalling Windows may be necessary.
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zrobinsonAug 23, 2025
What to do if Samsung NP-R20 Laptop does not boot?
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  Erin BassAug 25, 2025
  If your Samsung Laptop is not booting or immediately turns off after being turned on, disconnect the power immediately, disassemble the system, and check for conducting foreign objects like screws inside, as this may indicate a short circuit. Check the connection between the CPU and the RHE. Replace the memory module to ensure it is working correctly. Reset the RTC Reset terminal next to the memory socket.
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duarteaudreyAug 25, 2025
How to boot Samsung NP-R20 Laptop from USB?
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  Karen AguilarAug 26, 2025
  If you cannot boot up your Samsung Laptop with a USB floppy drive or from USB memory, check if the diskette is bootable. Also, change the booting priority in the BIOS SETUP.
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Megan MartinAug 27, 2025
Why is my Samsung NP-R20 screen dark or colors distorted?
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  Dale MurphyAug 27, 2025
  If your Samsung Laptop screen is dark or the colors are distorted, check the connection between the LCD module and cable, the LCD cable and the main board LCD connector, and the LCD cable and the LCD inverter. If connections are good, consider replacing the LCD cable or LCD inverter. Also, inspect the LCD for any bent or broken parts due to impact.
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hkaufmanAug 27, 2025
What to do if no picture appears on Samsung Laptop screen?
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  Sarah RussellAug 27, 2025
  If no picture appears on your Samsung Laptop screen, check the connection between the LCD module and the LCD cable, the LCD cable and the main board LCD connector, and the LCD cable and the LCD inverter. Also, check if the System LED on the main board is blinking. Verify that the memory module is working correctly and that the Power button can be pressed normally.
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Adam LongAug 29, 2025
Why is wireless LAN not working on my Samsung NP-R20 Laptop?
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  Daniel GuzmanAug 29, 2025
  If the wireless LAN on your Samsung Laptop isn't working correctly, first, check if the WLAN slide switch, located at the bottom right, is in the ON position. Next, ensure that the WLAN driver is installed correctly. Also, check if the wireless LAN antenna cable is properly connected. If these steps don't resolve the issue, consider replacing the main board.
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Dr. Stephanie SimmonsAug 30, 2025
Why is there no sound from my Samsung NP-R20 Laptop speaker?
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  Susan HillAug 30, 2025
  If there is no sound from the speaker on your Samsung Laptop, check if earphones or headphones are connected to the MIC jack or if there are any foreign objects in the jack. Ensure that the sound is not muted after booting up Windows. Check the connection of the speaker cable and ensure the speaker is functioning correctly. Also, check for any magnetic objects near the speaker.
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Justin PatelAug 31, 2025
Why is my Samsung Laptop battery not charging?
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  Lisa HawkinsAug 31, 2025
  If the battery on your Samsung Laptop is not charging or the battery charge LED is malfunctioning, check the adapter's voltage. Verify that the battery is not defective. If problems persist, consider replacing the main board.
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Peter SanchezSep 2, 2025
What to do if Touch Pad is not working on Samsung NP-R20?
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  twagnerSep 2, 2025
  If the Touch Pad on your Samsung Laptop is not working or malfunctioning, check the connection status of the Touch Pad FFC and the Touch Pad module. If the connections are proper, replace any suspicious parts to see if they are out of order.
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Alicia MorenoSep 3, 2025
Why can't I hear sound through headphones on my Samsung NP-R20?
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  James MooreSep 3, 2025
  If you cannot hear sound through headphones on your Samsung Laptop, first, check if the sound is muted in Windows. Next, turn the volume up. If the issue persists, the main board may need to be replaced.

Samsung NP-R20 series Specifications

General

LAN	10/100 Ethernet
Battery	6-cell Li-Ion
Weight	2.4 kg (5.29 lbs)
Chipset	Intel 945GM Express
Memory	1GB DDR2 (upgradable to 2GB)
Display	14.1" WXGA (1280x800)
Graphics	Intel GMA 950
Hard Drive	120GB 5400RPM SATA
Optical Drive	DVD
Wireless	802.11b/g
Ports	3x USB 2.0, VGA, headphone, mic, RJ-45
Card Reader	MMC
Operating System	Windows Vista Business