Which of the following components of a laptop is NOT upgradeable?（）
Which of the following components of a laptop is NOT upgradeable?()A. Ethernet LAN cardB. MotherboardC. Hard diskD. RAM
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When servicing a laptop, which of the following components usually requires the keyboard to beremoved before the component can be replaced?（）A、ProcessorB、Hard driveC、BatteryD、Optical drive
A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）A、A new sound cardB、A new speakerC、A BIOS updateD、A hardware volume control
When replacing a laptop’s hard drive, which of the following may need to be updated?（）A、The CD driveB、The network driversC、The system OSD、The system BIOS
A client reports that the cursor on their laptop moves to one corner of the screen and stays there when they try to use the keyboard joystick. Which of the following components will MOST likely need to be replaced to resolve the issue?（）A、TouchpadB、MotherboardC、KeyboardD、External pointing device
A technician has a laptop in for repair with a consistent video corruption issue. The issue is seen on the local display and on an external monitor. The issue happens on the BIOS setup screen as well as within Windows. Which of the following laptop components is MOST likely failing?（）A、VGA portB、LCD displayC、Onboard video cardD、Inverter
Which of the following adapter cards allows I/O devices to be connected and transmits data using a POTS line?（）A、PCI tuner cardB、PCI modemC、PCI SCSID、PCI Ethernet
