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Keyboard Problem
I have inherited a HP PC 2026 that is working great even with W10.
But it seems to have a keyboard problem that I do not know how to overcome. When I boot up, I see 'keyboard error' flash on the screen at the start of boot. Other than that the keyboard works fine when W10 is up and running. However, I can't get into the BIOS, and I think it is because at that time the sysem is not recognizing the keyboard, and so pressing whatever function key does no good. I don't know what key is supposed to get me into the BIOS, but i have tried them all I think. Can someone tell me how I can get into the BIOS? Thanks TW |
#2
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Keyboard Problem
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#3
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Keyboard Problem
wrote:
I have inherited a HP PC 2026 that is working great even with W10. But it seems to have a keyboard problem that I do not know how to overcome. When I boot up, I see 'keyboard error' flash on the screen at the start of boot. Other than that the keyboard works fine when W10 is up and running. However, I can't get into the BIOS, and I think it is because at that time the sysem is not recognizing the keyboard, and so pressing whatever function key does no good. I don't know what key is supposed to get me into the BIOS, but i have tried them all I think. Can someone tell me how I can get into the BIOS? If you are attaching the keyboard to a PS/2 port, make sure the keyboard supports the PS/2 hardware protocol. If you are attaching the keyboard to a USB port, make sure the keyboard supports the USB protocol. Simply attaching a passive USB-to-PS2 adapter onto a keyboard's cable does not magically convert a USB-only keyboard to a PS/2 keyboard. An active converter is required to do the hardware protocol conversion. For a USB-only keyboard, you would have to buy an active converter dongle. Some USB keyboards incorporate logic on their PCB to detect which hardware protocol to use but that means the keyboard must be advertised to support both PS/2 and USB. If it just says USB then it is a USB-only keyboard and cannot be used on a PS/2 port (unless you buy an active dongle to do the conversion). Does "HP PC 2026" mean it is the one linked below? http://support.hp.com/us-en/product/.../model/5180011 I could not find mention of a PS/2 port but then I do not know that I found the support page for your PC. If there is no PS/2 port(s) then ignore the above warning about mismatch on USB and PS/2 connections. How old is the PC? If over 3 years old then it might be time to replace the coin cell CMOS battery and reset the CMOS table. CMOS requires a battery to retain its settings. If the battery gets too weak or dies, values in the CMOS table get erased or worse will be corrupted. So after replacing the battery, you should use the mobo header to reset the CMOS table to force it to load values from the BIOS EEPROMs. While most new PCs will have their coin cell batteries last for about 5 years, I've seen some that required replacing the battery at just 3 years. When the PC is powered up, it will receive +3V to power the CMOS table. It's when you power off that the battery must be okay to retain the settings in the CMOS table. Could be some corrupted setting in the CMOS table for the keyboard config is preventing use of the keyboard during boot. When the OS loads the USB driver the keyboard works but the BIOS settings in the CMOS table might not be properly configured to recognize the USB device. BIOS settings are not something that HP reveals in their online documentation (using the above URL). Is this one of those keyboards with an Fn key that lets you decide whether to use the special definitions for the Function keys or whether to use the standard (OS) definitions for the Function keys? I've had those and the Fn option might not stick between power cycles of the keyboard. That is, you want to hit F8 (to get into the BIOS) but the damn keyboard defaults to using some special function noted above "F8" for that key. You have to keep hitting the Fn key to get back the standard defintions (scan codes) for the Function keys. If the keyboard has an Fn key, try using it to see if then you can get the BIOS to recognize that an F8 scan code got sent by the keyboard. After than fiasco, I never again bought a keyboard that required using an Fn key to toggle between the standard and special defintions of the F keys. Have you tried a different keyboard? Could be your old one is flaky. Don't just power cycle the computer (since power may not actually drop for the USB ports so the keyboard remains powered). Power down and disconnect the keyboard, pause, reconnect the USB keyboard, and then power up the PC. This is one of the troubleshooting steps noted by HP. During power up, the CPU will sent a Reset signal to all hardware (connected to the mobo). That puts the hardware in a known starting state. You should see the LEDs flash on the keyboard when you do a cold power boot which is its signal that it got the Reset signal. I don't use a wireless keyboard (mentioned by McGraw) to know if the keyboard will flash on cold boot. It may not because it would be the USB receiver dongle that gets the Reset signal (versus a wired keyboard getting the reset). If using a wireless keyboard, is it within unobstructed range of the receiver dongle? Make sure the keyboard is within 20 feet, or less, or the receiver dongle and there are no TVs, monitors, desks, etc, between the keyboard and dongle. Try moving the receiver dongle to a USB port on the front of the PC case, especially if it is a Bluetooth dongle. There still are some IR (infrared) wireless keyboards being sold and they require a line-of-sight connection. Move any wireless phones and base stations away from your PC. If wireless, replace the batteries in the keyboard and retest. |
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Keyboard Problem
30.03.2017, 23.34, VanguardLH kirjoitti:
wrote: I have inherited a HP PC 2026 that is working great even with W10. But it seems to have a keyboard problem that I do not know how to overcome. When I boot up, I see 'keyboard error' flash on the screen at the start of boot. Other than that the keyboard works fine when W10 is up and running. However, I can't get into the BIOS, and I think it is because at that time the sysem is not recognizing the keyboard, and so pressing whatever function key does no good. I don't know what key is supposed to get me into the BIOS, but i have tried them all I think. Can someone tell me how I can get into the BIOS? If you are attaching the keyboard to a PS/2 port, make sure the keyboard supports the PS/2 hardware protocol. If you are attaching the keyboard to a USB port, make sure the keyboard supports the USB protocol. Simply attaching a passive USB-to-PS2 adapter onto a keyboard's cable does not magically convert a USB-only keyboard to a PS/2 keyboard. An active converter is required to do the hardware protocol conversion. For a USB-only keyboard, you would have to buy an active converter dongle. Some USB keyboards incorporate logic on their PCB to detect which hardware protocol to use but that means the keyboard must be advertised to support both PS/2 and USB. If it just says USB then it is a USB-only keyboard and cannot be used on a PS/2 port (unless you buy an active dongle to do the conversion). Does "HP PC 2026" mean it is the one linked below? http://support.hp.com/us-en/product/.../model/5180011 I could not find mention of a PS/2 port but then I do not know that I found the support page for your PC. If there is no PS/2 port(s) then ignore the above warning about mismatch on USB and PS/2 connections. How old is the PC? If over 3 years old then it might be time to replace the coin cell CMOS battery and reset the CMOS table. CMOS requires a battery to retain its settings. If the battery gets too weak or dies, values in the CMOS table get erased or worse will be corrupted. So after replacing the battery, you should use the mobo header to reset the CMOS table to force it to load values from the BIOS EEPROMs. While most new PCs will have their coin cell batteries last for about 5 years, I've seen some that required replacing the battery at just 3 years. When the PC is powered up, it will receive +3V to power the CMOS table. It's when you power off that the battery must be okay to retain the settings in the CMOS table. Could be some corrupted setting in the CMOS table for the keyboard config is preventing use of the keyboard during boot. When the OS loads the USB driver the keyboard works but the BIOS settings in the CMOS table might not be properly configured to recognize the USB device. BIOS settings are not something that HP reveals in their online documentation (using the above URL). Is this one of those keyboards with an Fn key that lets you decide whether to use the special definitions for the Function keys or whether to use the standard (OS) definitions for the Function keys? I've had those and the Fn option might not stick between power cycles of the keyboard. That is, you want to hit F8 (to get into the BIOS) but the damn keyboard defaults to using some special function noted above "F8" for that key. You have to keep hitting the Fn key to get back the standard defintions (scan codes) for the Function keys. If the keyboard has an Fn key, try using it to see if then you can get the BIOS to recognize that an F8 scan code got sent by the keyboard. After than fiasco, I never again bought a keyboard that required using an Fn key to toggle between the standard and special defintions of the F keys. Have you tried a different keyboard? Could be your old one is flaky. Don't just power cycle the computer (since power may not actually drop for the USB ports so the keyboard remains powered). Power down and disconnect the keyboard, pause, reconnect the USB keyboard, and then power up the PC. This is one of the troubleshooting steps noted by HP. During power up, the CPU will sent a Reset signal to all hardware (connected to the mobo). That puts the hardware in a known starting state. You should see the LEDs flash on the keyboard when you do a cold power boot which is its signal that it got the Reset signal. I don't use a wireless keyboard (mentioned by McGraw) to know if the keyboard will flash on cold boot. It may not because it would be the USB receiver dongle that gets the Reset signal (versus a wired keyboard getting the reset). If using a wireless keyboard, is it within unobstructed range of the receiver dongle? Make sure the keyboard is within 20 feet, or less, or the receiver dongle and there are no TVs, monitors, desks, etc, between the keyboard and dongle. Try moving the receiver dongle to a USB port on the front of the PC case, especially if it is a Bluetooth dongle. There still are some IR (infrared) wireless keyboards being sold and they require a line-of-sight connection. Move any wireless phones and base stations away from your PC. If wireless, replace the batteries in the keyboard and retest. Another possibilty is the keyboard is connected to a USB3-port, at which point it wont be recognized until Windows has loaded USB3-drivers.. -- ----------------------------------------------------- Thomas Wendell Helsinki, Finland Translation to/from FI/SWE not always accurate ----------------------------------------------------- |
#5
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Keyboard Problem
tumppiw wrote:
Another possibilty is the keyboard is connected to a USB3-port, at which point it wont be recognized until Windows has loaded USB3-drivers.. Some mobos' firmware support "legacy USB3" devices but it must be enabled in the UEFI (and not likely an option if using BIOS). The lack of firmware support for USB3 is why pre-builts still come with both USB2 ports and add USB3 ports. I looked at the HP documentation (if what I found at HP matches what the OP says he has). No mention of USB3 in its manual. Its specs are at: http://support.hp.com/us-en/product/...ent/c03066698/ Looks like that model came out in 2011. So it is not a pre-built that came with Windows 10 pre-installed nor did it come with USB3 ports. His mention of "even with Windows 10" implicates that he installed Windows 10 meaning something older came on that PC. When I look at the drivers section of the product page, only Windows 7 and 8 are listed as supported. So the OP is trying to use a later version of Windows than for what the hardware was designed to support. Because there are no drivers from HP for that mobo, there are also no chipset drivers to enable support to provide an interface between the OS and hardware. Windows 10 probably has to use old drivers for that old hardware. Chipset drivers aren't loaded when the BIOS loads. Those load when the OS loads and then loads those drivers. I would think the old drivers included in Windows 10 would support the USB3 ports on the old mobo - but, as you say, the old BIOS firmware might not. That model did not come with USB3 ports but maybe he or his buddy added a USB3 card. If so, he should connect his USB keyboard and mouse to a USB 2 port. |
#6
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Keyboard Problem
On Thursday, March 30, 2017 at 11:34:17 PM UTC+3, VanguardLH wrote:
wrote: I have inherited a HP PC 2026 that is working great even with W10. But it seems to have a keyboard problem that I do not know how to overcome. When I boot up, I see 'keyboard error' flash on the screen at the start of boot. Other than that the keyboard works fine when W10 is up and running. However, I can't get into the BIOS, and I think it is because at that time the sysem is not recognizing the keyboard, and so pressing whatever function key does no good. I don't know what key is supposed to get me into the BIOS, but i have tried them all I think. Can someone tell me how I can get into the BIOS? If you are attaching the keyboard to a PS/2 port, make sure the keyboard supports the PS/2 hardware protocol. If you are attaching the keyboard to a USB port, make sure the keyboard supports the USB protocol. Simply attaching a passive USB-to-PS2 adapter onto a keyboard's cable does not magically convert a USB-only keyboard to a PS/2 keyboard. An active converter is required to do the hardware protocol conversion. For a USB-only keyboard, you would have to buy an active converter dongle. Some USB keyboards incorporate logic on their PCB to detect which hardware protocol to use but that means the keyboard must be advertised to support both PS/2 and USB. If it just says USB then it is a USB-only keyboard and cannot be used on a PS/2 port (unless you buy an active dongle to do the conversion). Does "HP PC 2026" mean it is the one linked below? http://support.hp.com/us-en/product/.../model/5180011 I could not find mention of a PS/2 port but then I do not know that I found the support page for your PC. If there is no PS/2 port(s) then ignore the above warning about mismatch on USB and PS/2 connections. How old is the PC? If over 3 years old then it might be time to replace the coin cell CMOS battery and reset the CMOS table. CMOS requires a battery to retain its settings. If the battery gets too weak or dies, values in the CMOS table get erased or worse will be corrupted. So after replacing the battery, you should use the mobo header to reset the CMOS table to force it to load values from the BIOS EEPROMs. While most new PCs will have their coin cell batteries last for about 5 years, I've seen some that required replacing the battery at just 3 years. When the PC is powered up, it will receive +3V to power the CMOS table. It's when you power off that the battery must be okay to retain the settings in the CMOS table. Could be some corrupted setting in the CMOS table for the keyboard config is preventing use of the keyboard during boot. When the OS loads the USB driver the keyboard works but the BIOS settings in the CMOS table might not be properly configured to recognize the USB device. BIOS settings are not something that HP reveals in their online documentation (using the above URL). Is this one of those keyboards with an Fn key that lets you decide whether to use the special definitions for the Function keys or whether to use the standard (OS) definitions for the Function keys? I've had those and the Fn option might not stick between power cycles of the keyboard. That is, you want to hit F8 (to get into the BIOS) but the damn keyboard defaults to using some special function noted above "F8" for that key. You have to keep hitting the Fn key to get back the standard defintions (scan codes) for the Function keys. If the keyboard has an Fn key, try using it to see if then you can get the BIOS to recognize that an F8 scan code got sent by the keyboard. After than fiasco, I never again bought a keyboard that required using an Fn key to toggle between the standard and special defintions of the F keys. Have you tried a different keyboard? Could be your old one is flaky. Don't just power cycle the computer (since power may not actually drop for the USB ports so the keyboard remains powered). Power down and disconnect the keyboard, pause, reconnect the USB keyboard, and then power up the PC. This is one of the troubleshooting steps noted by HP. During power up, the CPU will sent a Reset signal to all hardware (connected to the mobo). That puts the hardware in a known starting state. You should see the LEDs flash on the keyboard when you do a cold power boot which is its signal that it got the Reset signal. I don't use a wireless keyboard (mentioned by McGraw) to know if the keyboard will flash on cold boot. It may not because it would be the USB receiver dongle that gets the Reset signal (versus a wired keyboard getting the reset). If using a wireless keyboard, is it within unobstructed range of the receiver dongle? Make sure the keyboard is within 20 feet, or less, or the receiver dongle and there are no TVs, monitors, desks, etc, between the keyboard and dongle. Try moving the receiver dongle to a USB port on the front of the PC case, especially if it is a Bluetooth dongle. There still are some IR (infrared) wireless keyboards being sold and they require a line-of-sight connection. Move any wireless phones and base stations away from your PC. If wireless, replace the batteries in the keyboard and retest. I had a similar problem with Pavilion P6 computer when I got a "Keyboard errror" message after power on and can't do nothing. In my case problem solved a new battery and CMOS settings clearing with jumper. |
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