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The OS using the HDD will absolutely be slower because USB is currently slower than SATA, M.2, NVMe, or any other current hard drive technology. Also, HDD drives are slower than SSD drives. SSD drive may speed up your system and eliminate the I/O errors.

If the error appears in your computer and not on the printer itself, the issue may be the printer's driver. Try uninstalling the current printer driver and then installing one from Epson's Website at the link below: https://www.epson.com.sg/Ink-Tank-Printers/L-Series/Epson-L405/s/SPT_C11CG49501?review-filter=Mac+OS+X+10.x

Chances are that the flashing lights are an indicator that a printer component is malfunctioning. HP has a diagnostic tool called the “Print and Scan Doctor” that can help you find the broken part. You can download the tool from HP at the link below: https://support.hp.com/us-en/help/diagnostics?category=printing&is...-setup Click on the blue Download button to obtain the tool. Make sure that the printer is connected to your PC, and run the tool so that it can help troubleshoot the problem.

If you are getting a “no bootable device” error, then your computer cannot access either Windows or the entire hard drive. Since you were able to get into you BIOS to see that there is no legacy option, try removing any USB drives that are attached to the computer and boot into BIOS again. Go to the “Boot” tab and make sure that your Windows installation is first on the boot order list. That will force you computer to boot from Windows. If you can’t find the “Windows” option in your computer’s boot order, then try installing Windows. You can download Windows from https://www.microsoft.com/en-us/software-download/windows10ISO and create a bootable DVD or USB with the downloaded file. Then, attach the bootable DVD or USB to you computer and turn it on. The Acer will automatically boot from the USB or DVD and allow you to install Windows on your hard drive. If there is no hard drive at all, then you may purchase one and install it. Hopefully your model is on the list at Acer Aspire Repair; the instructions on...

You said that the computer beeps in a pattern of “time intervals”. That specific pattern is important because it is an indicator of what part needs fixing/replacing. Different broken components trigger different “time intervals” of beep patterns. Please check Sony’s website for a chart on what the beep codes mean. The link is below: https://www.sony.com/electronics/support... Does the beep pattern you are getting match any of the patterns on the chart?

Right now, the account on the computer is in your friend’s name. You cannot perform a reset without her password because Windows will not allow it. She can opt to reset her password so you can log in, but she will need to do that herself. Another option is to wipe that hard drive clean and reinstall Windows in your name. This will require that you first download a Windows image file and either burn it to a bootable DVD or create a bootable USB drive. The link to download the Winodows image is below: https://www.microsoft.com/en-us/software-download/windows10ISO Second, attach the USB or DVD to a port on the computer. Third, enter the computer’s BIOS by turning on the computer and quickly pressing the F2 key repeatedly before the Acer logo appears. In the BIOS, poke around until you find the option to boot from the DVD or USB, and make sure that it is first on the list of devices that the computer will boot from. Save your changes and exit BIOS. The computer will restart and boot from the DVD or USB. Follow...

Windows 10 Home will not boot in Legacy Mode. In order for the computer to recognize the USB, you will have to change that setting back.

It seems like your computer has PXE boot enabled. PXE boot will cause the computer to use a network connection to search for a remote operating system to boot from. You will have to disable PXE boot, and this requires that you enter your BIOS. The key to press during the boot to enter the BIOS will vary depending on your motherboard, but it is usually the Del, Esc, or one of the Function keys. Once you are in your BIOS, poke around until you find the option to disable PXE boot. The BIOS program may label it as “network boot” or “LAN boot”, but it’s all the same. Once it’s disabled, remember to save your changes before exiting the BIOS program.

Your laptop may be in sleep mode and needs to “woken up”. (1) Try turning it on again by hitting the power button. (2) Press and hold the power button until the computer completely shuts off. (3) Then try hitting the power button another time to see if it boots normally. Lenovo has some more suggestions in this short video: https://www.youtube.com/watch?v=87c6M9ZR...

Razer claims to only have specific authorized retailers for its products. The store locations will vary based on where you live. The Store Locator on their website at https://www.razer.com/store-finder can be used to find a location near you. Batteries Plus, Best Buy, and Office Depot all sell batteries (Amazon may be an online option). Still, it may be best to buy a battery from a store that the manufacturer recommends.